From e204a5651dd6afc18385287dd808d8429bbcf875 Mon Sep 17 00:00:00 2001 From: wyfcyx Date: Sat, 20 Jan 2024 13:58:06 +0000 Subject: [PATCH] deploy: 14cf176a57302c9c7202d240a517572622f64203 --- ch2/help.html | 3 +- ch2/os/all.html | 3 +- ch2/os/batch/constant.APP_BASE_ADDRESS.html | 3 +- ch2/os/batch/constant.APP_SIZE_LIMIT.html | 3 +- ch2/os/batch/constant.KERNEL_STACK_SIZE.html | 3 +- ch2/os/batch/constant.MAX_APP_NUM.html | 3 +- ch2/os/batch/constant.USER_STACK_SIZE.html | 3 +- ch2/os/batch/fn.init.html | 3 +- ch2/os/batch/fn.print_app_info.html | 3 +- ch2/os/batch/fn.run_next_app.html | 3 +- ch2/os/batch/index.html | 5 +-- ch2/os/batch/static.KERNEL_STACK.html | 3 +- ch2/os/batch/static.USER_STACK.html | 3 +- ch2/os/batch/struct.APP_MANAGER.html | 23 +++++++------- ch2/os/batch/struct.AppManager.html | 21 +++++++------ ch2/os/batch/struct.KernelStack.html | 21 +++++++------ ch2/os/batch/struct.UserStack.html | 21 +++++++------ ch2/os/console/fn.print.html | 3 +- ch2/os/console/index.html | 5 +-- ch2/os/console/struct.Stdout.html | 21 +++++++------ ch2/os/fn.clear_bss.html | 3 +- ch2/os/fn.rust_main.html | 3 +- ch2/os/index.html | 6 ++-- ch2/os/lang_items/fn.panic.html | 3 +- ch2/os/lang_items/index.html | 5 +-- ch2/os/logging/fn.init.html | 3 +- ch2/os/logging/index.html | 3 +- ch2/os/logging/struct.SimpleLogger.html | 21 +++++++------ ch2/os/macro.print.html | 3 +- ch2/os/macro.println.html | 3 +- ch2/os/sbi/fn.console_getchar.html | 3 +- ch2/os/sbi/fn.console_putchar.html | 3 +- ch2/os/sbi/fn.shutdown.html | 3 +- ch2/os/sbi/index.html | 5 +-- ch2/os/sync/index.html | 5 +-- ch2/os/sync/up/index.html | 5 +-- ch2/os/sync/up/struct.UPSafeCell.html | 31 ++++++++++--------- ch2/os/syscall/constant.SYSCALL_EXIT.html | 3 +- ch2/os/syscall/constant.SYSCALL_WRITE.html | 3 +- ch2/os/syscall/fn.syscall.html | 3 +- ch2/os/syscall/fs/constant.FD_STDOUT.html | 3 +- ch2/os/syscall/fs/fn.sys_write.html | 3 +- ch2/os/syscall/fs/index.html | 5 +-- ch2/os/syscall/index.html | 5 +-- ch2/os/syscall/process/fn.sys_exit.html | 3 +- ch2/os/syscall/process/index.html | 5 +-- ch2/os/trap/context/index.html | 3 +- ch2/os/trap/context/struct.TrapContext.html | 29 ++++++++--------- ch2/os/trap/fn.init.html | 3 +- ch2/os/trap/fn.trap_handler.html | 3 +- ch2/os/trap/index.html | 5 +-- ch2/os/trap/struct.TrapContext.html | 29 ++++++++--------- ch2/search-index.js | 10 +++--- ch2/settings.html | 3 +- ch2/src-files.js | 6 ++-- ch2/src/os/batch.rs.html | 24 +++++++------- ch2/src/os/console.rs.html | 6 ++-- ch2/src/os/lang_items.rs.html | 8 +++-- ch2/src/os/logging.rs.html | 18 ++++++----- ch2/src/os/main.rs.html | 24 +++++++------- ch2/src/os/sbi.rs.html | 4 ++- ch2/src/os/sync/mod.rs.html | 4 ++- ch2/src/os/sync/up.rs.html | 6 ++-- ch2/src/os/syscall/fs.rs.html | 8 +++-- ch2/src/os/syscall/mod.rs.html | 10 +++--- ch2/src/os/syscall/process.rs.html | 6 ++-- ch2/src/os/trap/context.rs.html | 6 ++-- ch2/src/os/trap/mod.rs.html | 14 +++++---- ch2/static.files/main-0b2e2def73e61cbe.js | 11 +++++++ ch2/static.files/main-c5bd66d33317d69f.js | 12 ------- .../noscript-04d5337699b92874.css | 1 + .../noscript-5d8b3c7633ad77ba.css | 1 - ch2/static.files/rustdoc-4e54bb2b497cc83f.css | 24 ++++++++++++++ ch2/static.files/rustdoc-fa3bb1812debf86c.css | 10 ------ ch2/static.files/search-5f5ec5419eadd0c9.js | 5 --- ch2/static.files/search-dd67cee4cfa65049.js | 5 +++ ch2/static.files/settings-4313503d2e1961c2.js | 17 ++++++++++ ch2/static.files/settings-74424d7eec62a23e.js | 17 ---------- .../src-script-3280b574d94e47b4.js | 1 - .../src-script-e66d777a5a92e9b2.js | 1 + ch2/static.files/storage-f2adc0d6ca4d09fb.js | 1 + ch2/static.files/storage-fec3eaa3851e447d.js | 1 - .../core/fmt/trait.Write.js | 0 .../core/marker/trait.Freeze.js | 0 .../core/marker/trait.Send.js | 2 +- .../core/marker/trait.Sync.js | 0 .../core/marker/trait.Unpin.js | 2 +- .../core/ops/deref/trait.Deref.js | 0 .../panic/unwind_safe/trait.RefUnwindSafe.js | 0 .../panic/unwind_safe/trait.UnwindSafe.js | 2 +- .../lazy_static/trait.LazyStatic.js | 0 .../log/trait.Log.js | 0 92 files changed, 366 insertions(+), 273 deletions(-) create mode 100644 ch2/static.files/main-0b2e2def73e61cbe.js delete mode 100644 ch2/static.files/main-c5bd66d33317d69f.js create mode 100644 ch2/static.files/noscript-04d5337699b92874.css delete mode 100644 ch2/static.files/noscript-5d8b3c7633ad77ba.css create mode 100644 ch2/static.files/rustdoc-4e54bb2b497cc83f.css delete mode 100644 ch2/static.files/rustdoc-fa3bb1812debf86c.css delete mode 100644 ch2/static.files/search-5f5ec5419eadd0c9.js create mode 100644 ch2/static.files/search-dd67cee4cfa65049.js create mode 100644 ch2/static.files/settings-4313503d2e1961c2.js delete mode 100644 ch2/static.files/settings-74424d7eec62a23e.js delete mode 100644 ch2/static.files/src-script-3280b574d94e47b4.js create mode 100644 ch2/static.files/src-script-e66d777a5a92e9b2.js create mode 100644 ch2/static.files/storage-f2adc0d6ca4d09fb.js delete mode 100644 ch2/static.files/storage-fec3eaa3851e447d.js rename ch2/{implementors => trait.impl}/core/fmt/trait.Write.js (100%) rename ch2/{implementors => trait.impl}/core/marker/trait.Freeze.js (100%) rename ch2/{implementors => trait.impl}/core/marker/trait.Send.js (78%) rename ch2/{implementors => trait.impl}/core/marker/trait.Sync.js (100%) rename ch2/{implementors => trait.impl}/core/marker/trait.Unpin.js (79%) rename ch2/{implementors => trait.impl}/core/ops/deref/trait.Deref.js (100%) rename ch2/{implementors => trait.impl}/core/panic/unwind_safe/trait.RefUnwindSafe.js (100%) rename ch2/{implementors => trait.impl}/core/panic/unwind_safe/trait.UnwindSafe.js (79%) rename ch2/{implementors => trait.impl}/lazy_static/trait.LazyStatic.js (100%) rename ch2/{implementors => trait.impl}/log/trait.Log.js (100%) diff --git a/ch2/help.html b/ch2/help.html index 26794106..b36e5005 100644 --- a/ch2/help.html +++ b/ch2/help.html @@ -1 +1,2 @@ -Rustdoc help

Rustdoc help

Back
\ No newline at end of file +Help
+

Rustdoc help

Back
\ No newline at end of file diff --git a/ch2/os/all.html b/ch2/os/all.html index a5a8607a..8519b168 100644 --- a/ch2/os/all.html +++ b/ch2/os/all.html @@ -1 +1,2 @@ -List of all items in this crate

List of all items

Structs

Macros

Functions

Statics

Constants

\ No newline at end of file +List of all items in this crate
+

List of all items

Structs

Macros

Functions

Statics

Constants

\ No newline at end of file diff --git a/ch2/os/batch/constant.APP_BASE_ADDRESS.html b/ch2/os/batch/constant.APP_BASE_ADDRESS.html index f969d9ea..59b1f34f 100644 --- a/ch2/os/batch/constant.APP_BASE_ADDRESS.html +++ b/ch2/os/batch/constant.APP_BASE_ADDRESS.html @@ -1 +1,2 @@ -APP_BASE_ADDRESS in os::batch - Rust

Constant os::batch::APP_BASE_ADDRESS

source · 
const APP_BASE_ADDRESS: usize = 0x80400000;
\ No newline at end of file +APP_BASE_ADDRESS in os::batch - Rust
+

Constant os::batch::APP_BASE_ADDRESS

source · 
const APP_BASE_ADDRESS: usize = 0x80400000;
\ No newline at end of file diff --git a/ch2/os/batch/constant.APP_SIZE_LIMIT.html b/ch2/os/batch/constant.APP_SIZE_LIMIT.html index bbeaa4b2..c34e5b2b 100644 --- a/ch2/os/batch/constant.APP_SIZE_LIMIT.html +++ b/ch2/os/batch/constant.APP_SIZE_LIMIT.html @@ -1 +1,2 @@ -APP_SIZE_LIMIT in os::batch - Rust

Constant os::batch::APP_SIZE_LIMIT

source · 
const APP_SIZE_LIMIT: usize = 0x20000;
\ No newline at end of file +APP_SIZE_LIMIT in os::batch - Rust
+

Constant os::batch::APP_SIZE_LIMIT

source · 
const APP_SIZE_LIMIT: usize = 0x20000;
\ No newline at end of file diff --git a/ch2/os/batch/constant.KERNEL_STACK_SIZE.html b/ch2/os/batch/constant.KERNEL_STACK_SIZE.html index e491e4b5..cbcf6117 100644 --- a/ch2/os/batch/constant.KERNEL_STACK_SIZE.html +++ b/ch2/os/batch/constant.KERNEL_STACK_SIZE.html @@ -1 +1,2 @@ -KERNEL_STACK_SIZE in os::batch - Rust

Constant os::batch::KERNEL_STACK_SIZE

source · 
const KERNEL_STACK_SIZE: usize = _; // 8_192usize
\ No newline at end of file +KERNEL_STACK_SIZE in os::batch - Rust
+

Constant os::batch::KERNEL_STACK_SIZE

source · 
const KERNEL_STACK_SIZE: usize = _; // 8_192usize
\ No newline at end of file diff --git a/ch2/os/batch/constant.MAX_APP_NUM.html b/ch2/os/batch/constant.MAX_APP_NUM.html index 9fc5965a..fc596276 100644 --- a/ch2/os/batch/constant.MAX_APP_NUM.html +++ b/ch2/os/batch/constant.MAX_APP_NUM.html @@ -1 +1,2 @@ -MAX_APP_NUM in os::batch - Rust

Constant os::batch::MAX_APP_NUM

source · 
const MAX_APP_NUM: usize = 16;
\ No newline at end of file +MAX_APP_NUM in os::batch - Rust
+

Constant os::batch::MAX_APP_NUM

source · 
const MAX_APP_NUM: usize = 16;
\ No newline at end of file diff --git a/ch2/os/batch/constant.USER_STACK_SIZE.html b/ch2/os/batch/constant.USER_STACK_SIZE.html index c8cb9a9a..7ebd8500 100644 --- a/ch2/os/batch/constant.USER_STACK_SIZE.html +++ b/ch2/os/batch/constant.USER_STACK_SIZE.html @@ -1 +1,2 @@ -USER_STACK_SIZE in os::batch - Rust

Constant os::batch::USER_STACK_SIZE

source · 
const USER_STACK_SIZE: usize = _; // 8_192usize
\ No newline at end of file +USER_STACK_SIZE in os::batch - Rust
+

Constant os::batch::USER_STACK_SIZE

source · 
const USER_STACK_SIZE: usize = _; // 8_192usize
\ No newline at end of file diff --git a/ch2/os/batch/fn.init.html b/ch2/os/batch/fn.init.html index 807a29b9..99ca40b4 100644 --- a/ch2/os/batch/fn.init.html +++ b/ch2/os/batch/fn.init.html @@ -1,2 +1,3 @@ -init in os::batch - Rust

Function os::batch::init

source · 
pub fn init()
Expand description

init batch subsystem

+init in os::batch - Rust
+

Function os::batch::init

source · 
pub fn init()
Expand description

init batch subsystem

\ No newline at end of file diff --git a/ch2/os/batch/fn.print_app_info.html b/ch2/os/batch/fn.print_app_info.html index 6ca1e86a..5f6f55b5 100644 --- a/ch2/os/batch/fn.print_app_info.html +++ b/ch2/os/batch/fn.print_app_info.html @@ -1,2 +1,3 @@ -print_app_info in os::batch - Rust

Function os::batch::print_app_info

source · 
pub fn print_app_info()
Expand description

print apps info

+print_app_info in os::batch - Rust
+

Function os::batch::print_app_info

source · 
pub fn print_app_info()
Expand description

print apps info

\ No newline at end of file diff --git a/ch2/os/batch/fn.run_next_app.html b/ch2/os/batch/fn.run_next_app.html index 73c417fc..b9db8958 100644 --- a/ch2/os/batch/fn.run_next_app.html +++ b/ch2/os/batch/fn.run_next_app.html @@ -1,2 +1,3 @@ -run_next_app in os::batch - Rust

Function os::batch::run_next_app

source · 
pub fn run_next_app() -> !
Expand description

run next app

+run_next_app in os::batch - Rust
+

Function os::batch::run_next_app

source · 
pub fn run_next_app() -> !
Expand description

run next app

\ No newline at end of file diff --git a/ch2/os/batch/index.html b/ch2/os/batch/index.html index 4ec9f874..74bf109c 100644 --- a/ch2/os/batch/index.html +++ b/ch2/os/batch/index.html @@ -1,2 +1,3 @@ -os::batch - Rust

Module os::batch

source ·
Expand description

batch subsystem

-

Structs

Constants

Statics

Functions

\ No newline at end of file +os::batch - Rust
+

Module os::batch

source ·
Expand description

batch subsystem

+

Structs

Constants

Statics

Functions

\ No newline at end of file diff --git a/ch2/os/batch/static.KERNEL_STACK.html b/ch2/os/batch/static.KERNEL_STACK.html index b5c105a9..d52b44f7 100644 --- a/ch2/os/batch/static.KERNEL_STACK.html +++ b/ch2/os/batch/static.KERNEL_STACK.html @@ -1 +1,2 @@ -KERNEL_STACK in os::batch - Rust

Static os::batch::KERNEL_STACK

source · 
static KERNEL_STACK: KernelStack
\ No newline at end of file +KERNEL_STACK in os::batch - Rust
+

Static os::batch::KERNEL_STACK

source · 
static KERNEL_STACK: KernelStack
\ No newline at end of file diff --git a/ch2/os/batch/static.USER_STACK.html b/ch2/os/batch/static.USER_STACK.html index 1a8fbcdd..d2ff606c 100644 --- a/ch2/os/batch/static.USER_STACK.html +++ b/ch2/os/batch/static.USER_STACK.html @@ -1 +1,2 @@ -USER_STACK in os::batch - Rust

Static os::batch::USER_STACK

source · 
static USER_STACK: UserStack
\ No newline at end of file +USER_STACK in os::batch - Rust
+

Static os::batch::USER_STACK

source · 
static USER_STACK: UserStack
\ No newline at end of file diff --git a/ch2/os/batch/struct.APP_MANAGER.html b/ch2/os/batch/struct.APP_MANAGER.html index 2c203312..c0f2a7d0 100644 --- a/ch2/os/batch/struct.APP_MANAGER.html +++ b/ch2/os/batch/struct.APP_MANAGER.html @@ -1,14 +1,15 @@ -APP_MANAGER in os::batch - Rust

Struct os::batch::APP_MANAGER

source · 
struct APP_MANAGER {
+APP_MANAGER in os::batch - Rust

+    
Struct os::batch::APP_MANAGER
source · 
struct APP_MANAGER {
     __private_field: (),
-}
Fields§
§__private_field: ()
Methods from Deref<Target = UPSafeCell<AppManager>>§
source
pub fn exclusive_access(&self) -> RefMut<'_, T>
Exclusive access inner data in UPSafeCell. Panic if the data has been borrowed.

-
Trait Implementations§
source§
impl Deref for APP_MANAGER
§
type Target = UPSafeCell<AppManager>
The resulting type after dereferencing.
source§
fn deref(&self) -> &UPSafeCell<AppManager>
Dereferences the value.
source§
impl LazyStatic for APP_MANAGER
Auto Trait Implementations§
Blanket Implementations§
source§
impl<T> Any for Twhere
-    T: 'static + ?Sized,
source§
fn type_id(&self) -> TypeId
Gets the TypeId of self. Read more
source§
impl<T> Borrow<T> for Twhere
-    T: ?Sized,
source§
fn borrow(&self) -> &T
Immutably borrows from an owned value. Read more
source§
impl<T> BorrowMut<T> for Twhere
-    T: ?Sized,
source§
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
source§
impl<T> From<T> for T
source§
fn from(t: T) -> T
Returns the argument unchanged.

-
source§
impl<T, U> Into<U> for Twhere
-    U: From<T>,
source§
fn into(self) -> U
Calls U::from(self).

+}

Fields§

§__private_field: ()

Methods from Deref<Target = UPSafeCell<AppManager>>§

source

pub fn exclusive_access(&self) -> RefMut<'_, T>

Exclusive access inner data in UPSafeCell. Panic if the data has been borrowed.

+

Trait Implementations§

source§

impl Deref for APP_MANAGER

§

type Target = UPSafeCell<AppManager>

The resulting type after dereferencing.
source§

fn deref(&self) -> &UPSafeCell<AppManager>

Dereferences the value.
source§

impl LazyStatic for APP_MANAGER

Auto Trait Implementations§

Blanket Implementations§

source§

impl<T> Any for T
where + T: 'static + ?Sized,

source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
source§

impl<T> Borrow<T> for T
where + T: ?Sized,

source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
source§

impl<T> BorrowMut<T> for T
where + T: ?Sized,

source§

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
source§

impl<T> From<T> for T

source§

fn from(t: T) -> T

Returns the argument unchanged.

+
source§

impl<T, U> Into<U> for T
where + U: From<T>,

source§

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

-
source§

impl<T, U> TryFrom<U> for Twhere - U: Into<T>,

§

type Error = Infallible

The type returned in the event of a conversion error.
source§

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for Twhere - U: TryFrom<T>,

§

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
source§

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
\ No newline at end of file +
source§

impl<T, U> TryFrom<U> for T
where + U: Into<T>,

§

type Error = Infallible

The type returned in the event of a conversion error.
source§

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
source§

impl<T, U> TryInto<U> for T
where + U: TryFrom<T>,

§

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
source§

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
\ No newline at end of file diff --git a/ch2/os/batch/struct.AppManager.html b/ch2/os/batch/struct.AppManager.html index 3f35a734..adc63f1c 100644 --- a/ch2/os/batch/struct.AppManager.html +++ b/ch2/os/batch/struct.AppManager.html @@ -1,15 +1,16 @@ -AppManager in os::batch - Rust

Struct os::batch::AppManager

source · 
struct AppManager {
+AppManager in os::batch - Rust

+    
Struct os::batch::AppManager
source · 
struct AppManager {
     num_app: usize,
     current_app: usize,
     app_start: [usize; 17],
-}
Fields§
§num_app: usize§current_app: usize§app_start: [usize; 17]
Implementations§
source§
impl AppManager
source
pub fn print_app_info(&self)
source
unsafe fn load_app(&self, app_id: usize)
source
pub fn get_current_app(&self) -> usize
source
pub fn move_to_next_app(&mut self)
Auto Trait Implementations§
Blanket Implementations§
source§
impl<T> Any for Twhere
-    T: 'static + ?Sized,
source§
fn type_id(&self) -> TypeId
Gets the TypeId of self. Read more
source§
impl<T> Borrow<T> for Twhere
-    T: ?Sized,
source§
fn borrow(&self) -> &T
Immutably borrows from an owned value. Read more
source§
impl<T> BorrowMut<T> for Twhere
-    T: ?Sized,
source§
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
source§
impl<T> From<T> for T
source§
fn from(t: T) -> T
Returns the argument unchanged.

-
source§
impl<T, U> Into<U> for Twhere
-    U: From<T>,
source§
fn into(self) -> U
Calls U::from(self).

+}

Fields§

§num_app: usize§current_app: usize§app_start: [usize; 17]

Implementations§

source§

impl AppManager

source

pub fn print_app_info(&self)

source

unsafe fn load_app(&self, app_id: usize)

source

pub fn get_current_app(&self) -> usize

source

pub fn move_to_next_app(&mut self)

Auto Trait Implementations§

Blanket Implementations§

source§

impl<T> Any for T
where + T: 'static + ?Sized,

source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
source§

impl<T> Borrow<T> for T
where + T: ?Sized,

source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
source§

impl<T> BorrowMut<T> for T
where + T: ?Sized,

source§

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
source§

impl<T> From<T> for T

source§

fn from(t: T) -> T

Returns the argument unchanged.

+
source§

impl<T, U> Into<U> for T
where + U: From<T>,

source§

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

-
source§

impl<T, U> TryFrom<U> for Twhere - U: Into<T>,

§

type Error = Infallible

The type returned in the event of a conversion error.
source§

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
source§

impl<T, U> TryInto<U> for Twhere - U: TryFrom<T>,

§

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
source§

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
\ No newline at end of file +
source§

impl<T, U> TryFrom<U> for T
where + U: Into<T>,

§

type Error = Infallible

The type returned in the event of a conversion error.
source§

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
source§

impl<T, U> TryInto<U> for T
where + U: TryFrom<T>,

§

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
source§

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
\ No newline at end of file diff --git a/ch2/os/batch/struct.KernelStack.html b/ch2/os/batch/struct.KernelStack.html index 275553ac..231e847c 100644 --- a/ch2/os/batch/struct.KernelStack.html +++ b/ch2/os/batch/struct.KernelStack.html @@ -1,13 +1,14 @@ -KernelStack in os::batch - Rust

Struct os::batch::KernelStack

source · 
#[repr(align(4096))]
struct KernelStack {
+KernelStack in os::batch - Rust

+    
Struct os::batch::KernelStack
source · 
#[repr(align(4096))]
struct KernelStack {
     data: [u8; 8192],
-}
Fields§
§data: [u8; 8192]
Implementations§
source§
impl KernelStack
source
fn get_sp(&self) -> usize
source
pub fn push_context(&self, cx: TrapContext) -> &'static mut TrapContext
Auto Trait Implementations§
Blanket Implementations§
source§
impl<T> Any for Twhere
-    T: 'static + ?Sized,
source§
fn type_id(&self) -> TypeId
Gets the TypeId of self. Read more
source§
impl<T> Borrow<T> for Twhere
-    T: ?Sized,
source§
fn borrow(&self) -> &T
Immutably borrows from an owned value. Read more
source§
impl<T> BorrowMut<T> for Twhere
-    T: ?Sized,
source§
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
source§
impl<T> From<T> for T
source§
fn from(t: T) -> T
Returns the argument unchanged.

-
source§
impl<T, U> Into<U> for Twhere
-    U: From<T>,
source§
fn into(self) -> U
Calls U::from(self).

+}

Fields§

§data: [u8; 8192]

Implementations§

source§

impl KernelStack

source

fn get_sp(&self) -> usize

source

pub fn push_context(&self, cx: TrapContext) -> &'static mut TrapContext

Auto Trait Implementations§

Blanket Implementations§

source§

impl<T> Any for T
where + T: 'static + ?Sized,

source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
source§

impl<T> Borrow<T> for T
where + T: ?Sized,

source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
source§

impl<T> BorrowMut<T> for T
where + T: ?Sized,

source§

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
source§

impl<T> From<T> for T

source§

fn from(t: T) -> T

Returns the argument unchanged.

+
source§

impl<T, U> Into<U> for T
where + U: From<T>,

source§

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

-
source§

impl<T, U> TryFrom<U> for Twhere - U: Into<T>,

§

type Error = Infallible

The type returned in the event of a conversion error.
source§

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
source§

impl<T, U> TryInto<U> for Twhere - U: TryFrom<T>,

§

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
source§

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
\ No newline at end of file +
source§

impl<T, U> TryFrom<U> for T
where + U: Into<T>,

§

type Error = Infallible

The type returned in the event of a conversion error.
source§

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
source§

impl<T, U> TryInto<U> for T
where + U: TryFrom<T>,

§

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
source§

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
\ No newline at end of file diff --git a/ch2/os/batch/struct.UserStack.html b/ch2/os/batch/struct.UserStack.html index 4db9afd8..b088015b 100644 --- a/ch2/os/batch/struct.UserStack.html +++ b/ch2/os/batch/struct.UserStack.html @@ -1,13 +1,14 @@ -UserStack in os::batch - Rust

Struct os::batch::UserStack

source · 
#[repr(align(4096))]
struct UserStack {
+UserStack in os::batch - Rust

+    
Struct os::batch::UserStack
source · 
#[repr(align(4096))]
struct UserStack {
     data: [u8; 8192],
-}
Fields§
§data: [u8; 8192]
Implementations§
Auto Trait Implementations§
Blanket Implementations§
source§
impl<T> Any for Twhere
-    T: 'static + ?Sized,
source§
fn type_id(&self) -> TypeId
Gets the TypeId of self. Read more
source§
impl<T> Borrow<T> for Twhere
-    T: ?Sized,
source§
fn borrow(&self) -> &T
Immutably borrows from an owned value. Read more
source§
impl<T> BorrowMut<T> for Twhere
-    T: ?Sized,
source§
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
source§
impl<T> From<T> for T
source§
fn from(t: T) -> T
Returns the argument unchanged.

-
source§
impl<T, U> Into<U> for Twhere
-    U: From<T>,
source§
fn into(self) -> U
Calls U::from(self).

+}

Fields§

§data: [u8; 8192]

Implementations§

Auto Trait Implementations§

Blanket Implementations§

source§

impl<T> Any for T
where + T: 'static + ?Sized,

source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
source§

impl<T> Borrow<T> for T
where + T: ?Sized,

source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
source§

impl<T> BorrowMut<T> for T
where + T: ?Sized,

source§

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
source§

impl<T> From<T> for T

source§

fn from(t: T) -> T

Returns the argument unchanged.

+
source§

impl<T, U> Into<U> for T
where + U: From<T>,

source§

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

-
source§

impl<T, U> TryFrom<U> for Twhere - U: Into<T>,

§

type Error = Infallible

The type returned in the event of a conversion error.
source§

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
source§

impl<T, U> TryInto<U> for Twhere - U: TryFrom<T>,

§

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
source§

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
\ No newline at end of file +
source§

impl<T, U> TryFrom<U> for T
where + U: Into<T>,

§

type Error = Infallible

The type returned in the event of a conversion error.
source§

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
source§

impl<T, U> TryInto<U> for T
where + U: TryFrom<T>,

§

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
source§

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
\ No newline at end of file diff --git a/ch2/os/console/fn.print.html b/ch2/os/console/fn.print.html index a99a3e41..3d9ded7c 100644 --- a/ch2/os/console/fn.print.html +++ b/ch2/os/console/fn.print.html @@ -1 +1,2 @@ -print in os::console - Rust

Function os::console::print

source · 
pub fn print(args: Arguments<'_>)
\ No newline at end of file +print in os::console - Rust
+

Function os::console::print

source · 
pub fn print(args: Arguments<'_>)
\ No newline at end of file diff --git a/ch2/os/console/index.html b/ch2/os/console/index.html index a909ad75..4d2bc646 100644 --- a/ch2/os/console/index.html +++ b/ch2/os/console/index.html @@ -1,2 +1,3 @@ -os::console - Rust

Module os::console

source ·
Expand description

SBI console driver, for text output

-

Structs

Functions

\ No newline at end of file +os::console - Rust
+

Module os::console

source ·
Expand description

SBI console driver, for text output

+

Structs

Functions

\ No newline at end of file diff --git a/ch2/os/console/struct.Stdout.html b/ch2/os/console/struct.Stdout.html index 7f8e1bfe..98c855cf 100644 --- a/ch2/os/console/struct.Stdout.html +++ b/ch2/os/console/struct.Stdout.html @@ -1,12 +1,13 @@ -Stdout in os::console - Rust

Struct os::console::Stdout

source · 
struct Stdout;

Trait Implementations§

source§

impl Write for Stdout

source§

fn write_str(&mut self, s: &str) -> Result

Writes a string slice into this writer, returning whether the write -succeeded. Read more
1.1.0 · source§

fn write_char(&mut self, c: char) -> Result<(), Error>

Writes a char into this writer, returning whether the write succeeded. Read more
1.0.0 · source§

fn write_fmt(&mut self, args: Arguments<'_>) -> Result<(), Error>

Glue for usage of the write! macro with implementors of this trait. Read more

Auto Trait Implementations§

Blanket Implementations§

source§

impl<T> Any for Twhere - T: 'static + ?Sized,

source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
source§

impl<T> Borrow<T> for Twhere - T: ?Sized,

source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
source§

impl<T> BorrowMut<T> for Twhere - T: ?Sized,

source§

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
source§

impl<T> From<T> for T

source§

fn from(t: T) -> T

Returns the argument unchanged.

-
source§

impl<T, U> Into<U> for Twhere - U: From<T>,

source§

fn into(self) -> U

Calls U::from(self).

+Stdout in os::console - Rust
+

Struct os::console::Stdout

source · 
struct Stdout;

Trait Implementations§

source§

impl Write for Stdout

source§

fn write_str(&mut self, s: &str) -> Result

Writes a string slice into this writer, returning whether the write +succeeded. Read more
1.1.0 · source§

fn write_char(&mut self, c: char) -> Result<(), Error>

Writes a char into this writer, returning whether the write succeeded. Read more
1.0.0 · source§

fn write_fmt(&mut self, args: Arguments<'_>) -> Result<(), Error>

Glue for usage of the write! macro with implementors of this trait. Read more

Auto Trait Implementations§

Blanket Implementations§

source§

impl<T> Any for T
where + T: 'static + ?Sized,

source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
source§

impl<T> Borrow<T> for T
where + T: ?Sized,

source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
source§

impl<T> BorrowMut<T> for T
where + T: ?Sized,

source§

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
source§

impl<T> From<T> for T

source§

fn from(t: T) -> T

Returns the argument unchanged.

+
source§

impl<T, U> Into<U> for T
where + U: From<T>,

source§

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

-
source§

impl<T, U> TryFrom<U> for Twhere - U: Into<T>,

§

type Error = Infallible

The type returned in the event of a conversion error.
source§

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
source§

impl<T, U> TryInto<U> for Twhere - U: TryFrom<T>,

§

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
source§

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
\ No newline at end of file +
source§

impl<T, U> TryFrom<U> for T
where + U: Into<T>,

§

type Error = Infallible

The type returned in the event of a conversion error.
source§

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
source§

impl<T, U> TryInto<U> for T
where + U: TryFrom<T>,

§

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
source§

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
\ No newline at end of file diff --git a/ch2/os/fn.clear_bss.html b/ch2/os/fn.clear_bss.html index a4482f64..2daa29a0 100644 --- a/ch2/os/fn.clear_bss.html +++ b/ch2/os/fn.clear_bss.html @@ -1,2 +1,3 @@ -clear_bss in os - Rust

Function os::clear_bss

source · 
pub(crate) fn clear_bss()
Expand description

clear BSS segment

+clear_bss in os - Rust
+

Function os::clear_bss

source · 
pub(crate) fn clear_bss()
Expand description

clear BSS segment

\ No newline at end of file diff --git a/ch2/os/fn.rust_main.html b/ch2/os/fn.rust_main.html index 60a49b11..c4c96865 100644 --- a/ch2/os/fn.rust_main.html +++ b/ch2/os/fn.rust_main.html @@ -1,3 +1,4 @@ -rust_main in os - Rust

Function os::rust_main

source · 
#[no_mangle]
+rust_main in os - Rust

+    
Function os::rust_main
source · 
#[no_mangle]
 pub fn rust_main() -> !
Expand description
the rust entry-point of os

 

\ No newline at end of file
diff --git a/ch2/os/index.html b/ch2/os/index.html
index 89d4dbcd..2c987285 100644
--- a/ch2/os/index.html
+++ b/ch2/os/index.html
@@ -1,4 +1,6 @@
-os - Rust
Crate os
source · 
Expand description
The main module and entrypoint

+os - Rust

+    
Crate os
source · 
Expand description
The main module and entrypoint

 
Various facilities of the kernels are implemented as submodules. The most
 important ones are:

 
    
@@ -11,4 +13,4 @@ initialize various pieces of functionality. (See its source code for
 details.)
    
 
    We then call batch::run_next_app() and for the first time go to
 userspace.
    
-
Modules
  • batch
    batch subsystem
  • console 🔒 
    SBI console driver, for text output
  • lang_items 🔒 
    The panic handler
  • logging 🔒 
  • sbi 🔒 
    SBI call wrappers
  • sync 🔒 
    Synchronization and interior mutability primitives
  • syscall
    Implementation of syscalls
  • trap
    Trap handling functionality
Macros
Functions

\ No newline at end of file
+
Modules
  • batch
    batch subsystem
  • console 🔒 
    SBI console driver, for text output
  • lang_items 🔒 
    The panic handler
  • logging 🔒 
  • sbi 🔒 
    SBI call wrappers
  • sync 🔒 
    Synchronization and interior mutability primitives
  • syscall
    Implementation of syscalls
  • trap
    Trap handling functionality
Macros
Functions

\ No newline at end of file
diff --git a/ch2/os/lang_items/fn.panic.html b/ch2/os/lang_items/fn.panic.html
index 3652b469..ce71c849 100644
--- a/ch2/os/lang_items/fn.panic.html
+++ b/ch2/os/lang_items/fn.panic.html
@@ -1 +1,2 @@
-panic in os::lang_items - Rust
Function os::lang_items::panic
source · 
fn panic(info: &PanicInfo<'_>) -> !

\ No newline at end of file
+panic in os::lang_items - Rust

+    
Function os::lang_items::panic
source · 
fn panic(info: &PanicInfo<'_>) -> !

\ No newline at end of file
diff --git a/ch2/os/lang_items/index.html b/ch2/os/lang_items/index.html
index 2b834b51..4acbd577 100644
--- a/ch2/os/lang_items/index.html
+++ b/ch2/os/lang_items/index.html
@@ -1,2 +1,3 @@
-os::lang_items - Rust
Module os::lang_items
source · 
Expand description
The panic handler

-
Functions

\ No newline at end of file
+os::lang_items - Rust

+    
Module os::lang_items
source · 
Expand description
The panic handler

+
Functions

\ No newline at end of file
diff --git a/ch2/os/logging/fn.init.html b/ch2/os/logging/fn.init.html
index 6e616d2c..bea640b5 100644
--- a/ch2/os/logging/fn.init.html
+++ b/ch2/os/logging/fn.init.html
@@ -1 +1,2 @@
-init in os::logging - Rust
Function os::logging::init
source · 
pub fn init()

\ No newline at end of file
+init in os::logging - Rust

+    
Function os::logging::init
source · 
pub fn init()

\ No newline at end of file
diff --git a/ch2/os/logging/index.html b/ch2/os/logging/index.html
index aadc8841..f841c2e6 100644
--- a/ch2/os/logging/index.html
+++ b/ch2/os/logging/index.html
@@ -1 +1,2 @@
-os::logging - Rust
Module os::logging
source · 
Structs
Functions

\ No newline at end of file
+os::logging - Rust

+    
Module os::logging
source · 
Structs
Functions

\ No newline at end of file
diff --git a/ch2/os/logging/struct.SimpleLogger.html b/ch2/os/logging/struct.SimpleLogger.html
index 86d0c0ef..68c95ad0 100644
--- a/ch2/os/logging/struct.SimpleLogger.html
+++ b/ch2/os/logging/struct.SimpleLogger.html
@@ -1,12 +1,13 @@
-SimpleLogger in os::logging - Rust
Struct os::logging::SimpleLogger
source · 
struct SimpleLogger;
Trait Implementations§
source§
impl Log for SimpleLogger
source§
fn enabled(&self, _metadata: &Metadata<'_>) -> bool
Determines if a log message with the specified metadata would be
-logged. Read more
source§
fn log(&self, record: &Record<'_>)
Logs the Record. Read more
source§
fn flush(&self)
Flushes any buffered records.
Auto Trait Implementations§
Blanket Implementations§
source§
impl<T> Any for Twhere
-    T: 'static + ?Sized,
source§
fn type_id(&self) -> TypeId
Gets the TypeId of self. Read more
source§
impl<T> Borrow<T> for Twhere
-    T: ?Sized,
source§
fn borrow(&self) -> &T
Immutably borrows from an owned value. Read more
source§
impl<T> BorrowMut<T> for Twhere
-    T: ?Sized,
source§
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
source§
impl<T> From<T> for T
source§
fn from(t: T) -> T
Returns the argument unchanged.

-
source§
impl<T, U> Into<U> for Twhere
-    U: From<T>,
source§
fn into(self) -> U
Calls U::from(self).

+SimpleLogger in os::logging - Rust

+    
Struct os::logging::SimpleLogger
source · 
struct SimpleLogger;
Trait Implementations§
source§
impl Log for SimpleLogger
source§
fn enabled(&self, _metadata: &Metadata<'_>) -> bool
Determines if a log message with the specified metadata would be
+logged. Read more
source§
fn log(&self, record: &Record<'_>)
Logs the Record. Read more
source§
fn flush(&self)
Flushes any buffered records.
Auto Trait Implementations§
Blanket Implementations§
source§
impl<T> Any for T
where
+    T: 'static + ?Sized,
source§
fn type_id(&self) -> TypeId
Gets the TypeId of self. Read more
source§
impl<T> Borrow<T> for T
where
+    T: ?Sized,
source§
fn borrow(&self) -> &T
Immutably borrows from an owned value. Read more
source§
impl<T> BorrowMut<T> for T
where
+    T: ?Sized,
source§
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
source§
impl<T> From<T> for T
source§
fn from(t: T) -> T
Returns the argument unchanged.

+
source§
impl<T, U> Into<U> for T
where
+    U: From<T>,
source§
fn into(self) -> U
Calls U::from(self).

 
That is, this conversion is whatever the implementation of
 From<T> for U chooses to do.

-
source§
impl<T, U> TryFrom<U> for Twhere
-    U: Into<T>,
§
type Error = Infallible
The type returned in the event of a conversion error.
source§
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
Performs the conversion.
source§
impl<T, U> TryInto<U> for Twhere
-    U: TryFrom<T>,
§
type Error = <U as TryFrom<T>>::Error
The type returned in the event of a conversion error.
source§
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
Performs the conversion.

\ No newline at end of file
+
source§
impl<T, U> TryFrom<U> for T
where
+    U: Into<T>,
§
type Error = Infallible
The type returned in the event of a conversion error.
source§
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
Performs the conversion.
source§
impl<T, U> TryInto<U> for T
where
+    U: TryFrom<T>,
§
type Error = <U as TryFrom<T>>::Error
The type returned in the event of a conversion error.
source§
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
Performs the conversion.

\ No newline at end of file
diff --git a/ch2/os/macro.print.html b/ch2/os/macro.print.html
index 725ac9af..002bff4f 100644
--- a/ch2/os/macro.print.html
+++ b/ch2/os/macro.print.html
@@ -1,4 +1,5 @@
-print in os - Rust
Macro os::print
source · 
macro_rules! print {
+print in os - Rust

+    
Macro os::print
source · 
macro_rules! print {
     ($fmt: literal $(, $($arg: tt)+)?) => { ... };
 }
Expand description
print string macro

 

\ No newline at end of file
diff --git a/ch2/os/macro.println.html b/ch2/os/macro.println.html
index b1f6ec47..df0ded17 100644
--- a/ch2/os/macro.println.html
+++ b/ch2/os/macro.println.html
@@ -1,4 +1,5 @@
-println in os - Rust
Macro os::println
source · 
macro_rules! println {
+println in os - Rust

+    
Macro os::println
source · 
macro_rules! println {
     ($fmt: literal $(, $($arg: tt)+)?) => { ... };
 }
Expand description
println string macro

 

\ No newline at end of file
diff --git a/ch2/os/sbi/fn.console_getchar.html b/ch2/os/sbi/fn.console_getchar.html
index f480a50a..eaf3ed47 100644
--- a/ch2/os/sbi/fn.console_getchar.html
+++ b/ch2/os/sbi/fn.console_getchar.html
@@ -1,2 +1,3 @@
-console_getchar in os::sbi - Rust
Function os::sbi::console_getchar
source · 
pub fn console_getchar() -> usize
Expand description
use sbi call to getchar from console (qemu uart handler)

+console_getchar in os::sbi - Rust

+    
Function os::sbi::console_getchar
source · 
pub fn console_getchar() -> usize
Expand description
use sbi call to getchar from console (qemu uart handler)

 

\ No newline at end of file
diff --git a/ch2/os/sbi/fn.console_putchar.html b/ch2/os/sbi/fn.console_putchar.html
index 4244843f..d5ef59e9 100644
--- a/ch2/os/sbi/fn.console_putchar.html
+++ b/ch2/os/sbi/fn.console_putchar.html
@@ -1,2 +1,3 @@
-console_putchar in os::sbi - Rust
Function os::sbi::console_putchar
source · 
pub fn console_putchar(c: usize)
Expand description
use sbi call to putchar in console (qemu uart handler)

+console_putchar in os::sbi - Rust

+    
Function os::sbi::console_putchar
source · 
pub fn console_putchar(c: usize)
Expand description
use sbi call to putchar in console (qemu uart handler)

 

\ No newline at end of file
diff --git a/ch2/os/sbi/fn.shutdown.html b/ch2/os/sbi/fn.shutdown.html
index 004816e7..ec7307ac 100644
--- a/ch2/os/sbi/fn.shutdown.html
+++ b/ch2/os/sbi/fn.shutdown.html
@@ -1,2 +1,3 @@
-shutdown in os::sbi - Rust
Function os::sbi::shutdown
source · 
pub fn shutdown(failure: bool) -> !
Expand description
use sbi call to shutdown the kernel

+shutdown in os::sbi - Rust

+    
Function os::sbi::shutdown
source · 
pub fn shutdown(failure: bool) -> !
Expand description
use sbi call to shutdown the kernel

 

\ No newline at end of file
diff --git a/ch2/os/sbi/index.html b/ch2/os/sbi/index.html
index 054092eb..41977950 100644
--- a/ch2/os/sbi/index.html
+++ b/ch2/os/sbi/index.html
@@ -1,2 +1,3 @@
-os::sbi - Rust
Module os::sbi
source · 
Expand description
SBI call wrappers

-
Functions

\ No newline at end of file
+os::sbi - Rust

+    
Module os::sbi
source · 
Expand description
SBI call wrappers

+
Functions

\ No newline at end of file
diff --git a/ch2/os/sync/index.html b/ch2/os/sync/index.html
index 6871f707..9c9f3315 100644
--- a/ch2/os/sync/index.html
+++ b/ch2/os/sync/index.html
@@ -1,2 +1,3 @@
-os::sync - Rust
Module os::sync
source · 
Expand description
Synchronization and interior mutability primitives

-
Re-exports
Modules
  • up 🔒 
    Uniprocessor interior mutability primitives

\ No newline at end of file
+os::sync - Rust

+    
Module os::sync
source · 
Expand description
Synchronization and interior mutability primitives

+
Re-exports
Modules
  • up 🔒 
    Uniprocessor interior mutability primitives

\ No newline at end of file
diff --git a/ch2/os/sync/up/index.html b/ch2/os/sync/up/index.html
index f4d54497..58b768b0 100644
--- a/ch2/os/sync/up/index.html
+++ b/ch2/os/sync/up/index.html
@@ -1,3 +1,4 @@
-os::sync::up - Rust
Module os::sync::up
source · 
Expand description
Uniprocessor interior mutability primitives

-
Structs
source§
impl<T, U> TryFrom<U> for T
where
+    U: Into<T>,
§
type Error = Infallible
The type returned in the event of a conversion error.
source§
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
Performs the conversion.
source§
impl<T, U> TryInto<U> for T
where
+    U: TryFrom<T>,
§
type Error = <U as TryFrom<T>>::Error
The type returned in the event of a conversion error.
source§
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
Performs the conversion.

\ No newline at end of file
diff --git a/ch2/os/syscall/constant.SYSCALL_EXIT.html b/ch2/os/syscall/constant.SYSCALL_EXIT.html
index 4865fd4a..a7a34ee3 100644
--- a/ch2/os/syscall/constant.SYSCALL_EXIT.html
+++ b/ch2/os/syscall/constant.SYSCALL_EXIT.html
@@ -1 +1,2 @@
-SYSCALL_EXIT in os::syscall - Rust
Constant os::syscall::SYSCALL_EXIT
source · 
const SYSCALL_EXIT: usize = 93;

\ No newline at end of file
+SYSCALL_EXIT in os::syscall - Rust

+    
Constant os::syscall::SYSCALL_EXIT
source · 
const SYSCALL_EXIT: usize = 93;

\ No newline at end of file
diff --git a/ch2/os/syscall/constant.SYSCALL_WRITE.html b/ch2/os/syscall/constant.SYSCALL_WRITE.html
index bc8eff8a..5a99ecae 100644
--- a/ch2/os/syscall/constant.SYSCALL_WRITE.html
+++ b/ch2/os/syscall/constant.SYSCALL_WRITE.html
@@ -1 +1,2 @@
-SYSCALL_WRITE in os::syscall - Rust
Constant os::syscall::SYSCALL_WRITE
source · 
const SYSCALL_WRITE: usize = 64;

\ No newline at end of file
+SYSCALL_WRITE in os::syscall - Rust

+    
Constant os::syscall::SYSCALL_WRITE
source · 
const SYSCALL_WRITE: usize = 64;

\ No newline at end of file
diff --git a/ch2/os/syscall/fn.syscall.html b/ch2/os/syscall/fn.syscall.html
index 540d2d69..e144797c 100644
--- a/ch2/os/syscall/fn.syscall.html
+++ b/ch2/os/syscall/fn.syscall.html
@@ -1,2 +1,3 @@
-syscall in os::syscall - Rust
Function os::syscall::syscall
source · 
pub fn syscall(syscall_id: usize, args: [usize; 3]) -> isize
Expand description
handle syscall exception with syscall_id and other arguments

+syscall in os::syscall - Rust

+    
Function os::syscall::syscall
source · 
pub fn syscall(syscall_id: usize, args: [usize; 3]) -> isize
Expand description
handle syscall exception with syscall_id and other arguments

 

\ No newline at end of file
diff --git a/ch2/os/syscall/fs/constant.FD_STDOUT.html b/ch2/os/syscall/fs/constant.FD_STDOUT.html
index fd9ca05c..bf45a0fd 100644
--- a/ch2/os/syscall/fs/constant.FD_STDOUT.html
+++ b/ch2/os/syscall/fs/constant.FD_STDOUT.html
@@ -1 +1,2 @@
-FD_STDOUT in os::syscall::fs - Rust
Constant os::syscall::fs::FD_STDOUT
source · 
const FD_STDOUT: usize = 1;

\ No newline at end of file
+FD_STDOUT in os::syscall::fs - Rust

+    
Constant os::syscall::fs::FD_STDOUT
source · 
const FD_STDOUT: usize = 1;

\ No newline at end of file
diff --git a/ch2/os/syscall/fs/fn.sys_write.html b/ch2/os/syscall/fs/fn.sys_write.html
index e3850105..f8e6a142 100644
--- a/ch2/os/syscall/fs/fn.sys_write.html
+++ b/ch2/os/syscall/fs/fn.sys_write.html
@@ -1,2 +1,3 @@
-sys_write in os::syscall::fs - Rust
Function os::syscall::fs::sys_write
source · 
pub fn sys_write(fd: usize, buf: *const u8, len: usize) -> isize
Expand description
write buf of length len  to a file with fd

+sys_write in os::syscall::fs - Rust

+    
Function os::syscall::fs::sys_write
source · 
pub fn sys_write(fd: usize, buf: *const u8, len: usize) -> isize
Expand description
write buf of length len  to a file with fd

 

\ No newline at end of file
diff --git a/ch2/os/syscall/fs/index.html b/ch2/os/syscall/fs/index.html
index 8f7c9164..817fb830 100644
--- a/ch2/os/syscall/fs/index.html
+++ b/ch2/os/syscall/fs/index.html
@@ -1,2 +1,3 @@
-os::syscall::fs - Rust
Module os::syscall::fs
source · 
Expand description
File and filesystem-related syscalls

-
Constants
Functions
  • sys_write
    write buf of length len  to a file with fd

\ No newline at end of file
+os::syscall::fs - Rust

+    
Module os::syscall::fs
source · 
Expand description
File and filesystem-related syscalls

+
Constants
Functions
  • sys_write
    write buf of length len  to a file with fd

\ No newline at end of file
diff --git a/ch2/os/syscall/index.html b/ch2/os/syscall/index.html
index 4e419965..eb8acf7d 100644
--- a/ch2/os/syscall/index.html
+++ b/ch2/os/syscall/index.html
@@ -1,4 +1,5 @@
-os::syscall - Rust
Module os::syscall
source · 
Expand description
Implementation of syscalls

+os::syscall - Rust

+    
Module os::syscall
source · 
Expand description
Implementation of syscalls

 
The single entry point to all system calls, syscall(), is called
 whenever userspace wishes to perform a system call using the ecall
 instruction. In this case, the processor raises an ‘Environment call from
@@ -7,4 +8,4 @@ U-mode’ exception, which is handled as one of the cases in
 
For clarity, each single syscall is implemented as its own function, named
 sys_ then the name of the syscall. You can find functions like this in
 submodules, and you should also implement syscalls this way.

-
Modules
  • fs 🔒 
    File and filesystem-related syscalls
  • process 🔒 
    App management syscalls
Constants
Functions
  • syscall
    handle syscall exception with syscall_id and other arguments

\ No newline at end of file
+
Modules
  • fs 🔒 
    File and filesystem-related syscalls
  • process 🔒 
    App management syscalls
Constants
Functions
  • syscall
    handle syscall exception with syscall_id and other arguments

\ No newline at end of file
diff --git a/ch2/os/syscall/process/fn.sys_exit.html b/ch2/os/syscall/process/fn.sys_exit.html
index b7d74526..57d3ae0d 100644
--- a/ch2/os/syscall/process/fn.sys_exit.html
+++ b/ch2/os/syscall/process/fn.sys_exit.html
@@ -1,2 +1,3 @@
-sys_exit in os::syscall::process - Rust
Function os::syscall::process::sys_exit
source · 
pub fn sys_exit(exit_code: i32) -> !
Expand description
task exits and submit an exit code

+sys_exit in os::syscall::process - Rust

+    
Function os::syscall::process::sys_exit
source · 
pub fn sys_exit(exit_code: i32) -> !
Expand description
task exits and submit an exit code

 

\ No newline at end of file
diff --git a/ch2/os/syscall/process/index.html b/ch2/os/syscall/process/index.html
index 8dfdb193..ab513088 100644
--- a/ch2/os/syscall/process/index.html
+++ b/ch2/os/syscall/process/index.html
@@ -1,2 +1,3 @@
-os::syscall::process - Rust
Module os::syscall::process
source · 
Expand description
App management syscalls

-
Functions
  • sys_exit
    task exits and submit an exit code

\ No newline at end of file
+os::syscall::process - Rust

+    
Module os::syscall::process
source · 
Expand description
App management syscalls

+
Functions
  • sys_exit
    task exits and submit an exit code

\ No newline at end of file
diff --git a/ch2/os/trap/context/index.html b/ch2/os/trap/context/index.html
index d379f2ea..1a179fbe 100644
--- a/ch2/os/trap/context/index.html
+++ b/ch2/os/trap/context/index.html
@@ -1 +1,2 @@
-os::trap::context - Rust
Module os::trap::context
source · 
Structs

\ No newline at end of file
+os::trap::context - Rust

+    
Module os::trap::context
source · 
Structs

\ No newline at end of file
diff --git a/ch2/os/trap/context/struct.TrapContext.html b/ch2/os/trap/context/struct.TrapContext.html
index 16a37a29..b682007f 100644
--- a/ch2/os/trap/context/struct.TrapContext.html
+++ b/ch2/os/trap/context/struct.TrapContext.html
@@ -1,21 +1,22 @@
-TrapContext in os::trap::context - Rust
Struct os::trap::context::TrapContext
source · 
#[repr(C)]
pub struct TrapContext {
+TrapContext in os::trap::context - Rust

+    
Struct os::trap::context::TrapContext
source · 
#[repr(C)]
pub struct TrapContext {
     pub x: [usize; 32],
     pub sstatus: Sstatus,
     pub sepc: usize,
 }
Expand description
Trap Context

-
Fields§
§x: [usize; 32]
general regs[0..31]

-
§sstatus: Sstatus
CSR sstatus      

-
§sepc: usize
CSR sepc

-
Implementations§
source§
impl TrapContext
source
pub fn set_sp(&mut self, sp: usize)
set stack pointer to x_2 reg (sp)

+
Fields§
§x: [usize; 32]
general regs[0..31]

+
§sstatus: Sstatus
CSR sstatus      

+
§sepc: usize
CSR sepc

+
Implementations§
source§
impl TrapContext
source
pub fn set_sp(&mut self, sp: usize)
set stack pointer to x_2 reg (sp)

 
source
pub fn app_init_context(entry: usize, sp: usize) -> Self
init app context

-
Auto Trait Implementations§
Blanket Implementations§
source§
impl<T> Any for Twhere
-    T: 'static + ?Sized,
source§
fn type_id(&self) -> TypeId
Gets the TypeId of self. Read more
source§
impl<T> Borrow<T> for Twhere
-    T: ?Sized,
source§
fn borrow(&self) -> &T
Immutably borrows from an owned value. Read more
source§
impl<T> BorrowMut<T> for Twhere
-    T: ?Sized,
source§
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
source§
impl<T> From<T> for T
source§
fn from(t: T) -> T
Returns the argument unchanged.

-
source§
impl<T, U> Into<U> for Twhere
-    U: From<T>,
source§
fn into(self) -> U
Calls U::from(self).

+
Auto Trait Implementations§
Blanket Implementations§
source§
impl<T> Any for T
where
+    T: 'static + ?Sized,
source§
fn type_id(&self) -> TypeId
Gets the TypeId of self. Read more
source§
impl<T> Borrow<T> for T
where
+    T: ?Sized,
source§
fn borrow(&self) -> &T
Immutably borrows from an owned value. Read more
source§
impl<T> BorrowMut<T> for T
where
+    T: ?Sized,
source§
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
source§
impl<T> From<T> for T
source§
fn from(t: T) -> T
Returns the argument unchanged.

+
source§
impl<T, U> Into<U> for T
where
+    U: From<T>,
source§
fn into(self) -> U
Calls U::from(self).

 
That is, this conversion is whatever the implementation of
 From<T> for U chooses to do.

-
source§
impl<T, U> TryFrom<U> for Twhere
-    U: Into<T>,
§
type Error = Infallible
The type returned in the event of a conversion error.
source§
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
Performs the conversion.
source§
impl<T, U> TryInto<U> for Twhere
-    U: TryFrom<T>,
§
type Error = <U as TryFrom<T>>::Error
The type returned in the event of a conversion error.
source§
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
Performs the conversion.

\ No newline at end of file
+
source§
impl<T, U> TryFrom<U> for T
where
+    U: Into<T>,
§
type Error = Infallible
The type returned in the event of a conversion error.
source§
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
Performs the conversion.
source§
impl<T, U> TryInto<U> for T
where
+    U: TryFrom<T>,
§
type Error = <U as TryFrom<T>>::Error
The type returned in the event of a conversion error.
source§
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
Performs the conversion.

\ No newline at end of file
diff --git a/ch2/os/trap/fn.init.html b/ch2/os/trap/fn.init.html
index 0f3f9fb3..bc75858b 100644
--- a/ch2/os/trap/fn.init.html
+++ b/ch2/os/trap/fn.init.html
@@ -1,2 +1,3 @@
-init in os::trap - Rust
Function os::trap::init
source · 
pub fn init()
Expand description
initialize CSR stvec as the entry of __alltraps

+init in os::trap - Rust

+    
Function os::trap::init
source · 
pub fn init()
Expand description
initialize CSR stvec as the entry of __alltraps

 

\ No newline at end of file
diff --git a/ch2/os/trap/fn.trap_handler.html b/ch2/os/trap/fn.trap_handler.html
index 8e4829d8..309a2956 100644
--- a/ch2/os/trap/fn.trap_handler.html
+++ b/ch2/os/trap/fn.trap_handler.html
@@ -1,3 +1,4 @@
-trap_handler in os::trap - Rust
Function os::trap::trap_handler
source · 
#[no_mangle]
+trap_handler in os::trap - Rust

+    
Function os::trap::trap_handler
source · 
#[no_mangle]
 pub fn trap_handler(cx: &mut TrapContext) -> &mut TrapContext
Expand description
handle an interrupt, exception, or system call from user space

 

\ No newline at end of file
diff --git a/ch2/os/trap/index.html b/ch2/os/trap/index.html
index 8b40de40..757966a2 100644
--- a/ch2/os/trap/index.html
+++ b/ch2/os/trap/index.html
@@ -1,4 +1,5 @@
-os::trap - Rust
Module os::trap
source · 
Expand description
Trap handling functionality

+os::trap - Rust

+    
Module os::trap
source · 
Expand description
Trap handling functionality

 
For rCore, we have a single trap entry point, namely __alltraps. At
 initialization in init(), we set the stvec CSR to point to it.

 
All traps go through __alltraps, which is defined in trap.S. The
@@ -8,4 +9,4 @@ context, ensuring that Rust code safely runs, and transfers control to
 
It then calls different functionality based on what exactly the exception
 was. For example, timer interrupts trigger task preemption, and syscalls go
 to syscall().

-
Modules
Structs
Functions
  • init
    initialize CSR stvec as the entry of __alltraps
  • trap_handler
    handle an interrupt, exception, or system call from user space

\ No newline at end of file
+
Modules
Structs
Functions
  • init
    initialize CSR stvec as the entry of __alltraps
  • trap_handler
    handle an interrupt, exception, or system call from user space

\ No newline at end of file
diff --git a/ch2/os/trap/struct.TrapContext.html b/ch2/os/trap/struct.TrapContext.html
index e2ac8d4f..89ec4d8a 100644
--- a/ch2/os/trap/struct.TrapContext.html
+++ b/ch2/os/trap/struct.TrapContext.html
@@ -1,21 +1,22 @@
-TrapContext in os::trap - Rust
Struct os::trap::TrapContext
source · 
#[repr(C)]
pub struct TrapContext {
+TrapContext in os::trap - Rust

+    
Struct os::trap::TrapContext
source · 
#[repr(C)]
pub struct TrapContext {
     pub x: [usize; 32],
     pub sstatus: Sstatus,
     pub sepc: usize,
 }
Expand description
Trap Context

-
Fields§
§x: [usize; 32]
general regs[0..31]

-
§sstatus: Sstatus
CSR sstatus      

-
§sepc: usize
CSR sepc

-
Implementations§
source§
impl TrapContext
source
pub fn set_sp(&mut self, sp: usize)
set stack pointer to x_2 reg (sp)

+
Fields§
§x: [usize; 32]
general regs[0..31]

+
§sstatus: Sstatus
CSR sstatus      

+
§sepc: usize
CSR sepc

+
Implementations§
source§
impl TrapContext
source
pub fn set_sp(&mut self, sp: usize)
set stack pointer to x_2 reg (sp)

 
source
pub fn app_init_context(entry: usize, sp: usize) -> Self
init app context

-
Auto Trait Implementations§
Blanket Implementations§
source§
impl<T> Any for Twhere
-    T: 'static + ?Sized,
source§
fn type_id(&self) -> TypeId
Gets the TypeId of self. Read more
source§
impl<T> Borrow<T> for Twhere
-    T: ?Sized,
source§
fn borrow(&self) -> &T
Immutably borrows from an owned value. Read more
source§
impl<T> BorrowMut<T> for Twhere
-    T: ?Sized,
source§
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
source§
impl<T> From<T> for T
source§
fn from(t: T) -> T
Returns the argument unchanged.

-
source§
impl<T, U> Into<U> for Twhere
-    U: From<T>,
source§
fn into(self) -> U
Calls U::from(self).

+
Auto Trait Implementations§
Blanket Implementations§
source§
impl<T> Any for T
where
+    T: 'static + ?Sized,
source§
fn type_id(&self) -> TypeId
Gets the TypeId of self. Read more
source§
impl<T> Borrow<T> for T
where
+    T: ?Sized,
source§
fn borrow(&self) -> &T
Immutably borrows from an owned value. Read more
source§
impl<T> BorrowMut<T> for T
where
+    T: ?Sized,
source§
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
source§
impl<T> From<T> for T
source§
fn from(t: T) -> T
Returns the argument unchanged.

+
source§
impl<T, U> Into<U> for T
where
+    U: From<T>,
source§
fn into(self) -> U
Calls U::from(self).

 
That is, this conversion is whatever the implementation of
 From<T> for U chooses to do.

-
source§
impl<T, U> TryFrom<U> for Twhere
-    U: Into<T>,
§
type Error = Infallible
The type returned in the event of a conversion error.
source§
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
Performs the conversion.
source§
impl<T, U> TryInto<U> for Twhere
-    U: TryFrom<T>,
§
type Error = <U as TryFrom<T>>::Error
The type returned in the event of a conversion error.
source§
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
Performs the conversion.

\ No newline at end of file
+
source§

impl<T, U> TryFrom<U> for T
where + U: Into<T>,

§

type Error = Infallible

The type returned in the event of a conversion error.
source§

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
source§

impl<T, U> TryInto<U> for T
where + U: TryFrom<T>,

§

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
source§

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
\ No newline at end of file diff --git a/ch2/search-index.js b/ch2/search-index.js index 338a8033..2036aa79 100644 --- a/ch2/search-index.js +++ b/ch2/search-index.js @@ -1,5 +1,5 @@ -var searchIndex = JSON.parse('{\ -"os":{"doc":"The main module and entrypoint","t":"AFAAAOOFAAAARDRDHRDRHRDMMLLLLLLLLMMMLLLLLLLLFLLLLLLMFLLFLLLLLLLLLLLLDLLLLFLLLLFDLLLLLFLLLLLFFFCADLLLLMLLLLLRRAAFRFFDAFMMFMDLLLLLMLMLLLM","n":["batch","clear_bss","console","lang_items","logging","print","println","rust_main","sbi","sync","syscall","trap","APP_BASE_ADDRESS","APP_MANAGER","APP_SIZE_LIMIT","AppManager","KERNEL_STACK","KERNEL_STACK_SIZE","KernelStack","MAX_APP_NUM","USER_STACK","USER_STACK_SIZE","UserStack","__private_field","app_start","borrow","borrow","borrow","borrow","borrow_mut","borrow_mut","borrow_mut","borrow_mut","current_app","data","data","deref","from","from","from","from","get_current_app","get_sp","get_sp","init","into","into","into","into","load_app","move_to_next_app","num_app","print_app_info","print_app_info","push_context","run_next_app","try_from","try_from","try_from","try_from","try_into","try_into","try_into","try_into","type_id","type_id","type_id","type_id","Stdout","borrow","borrow_mut","from","into","print","try_from","try_into","type_id","write_str","panic","SimpleLogger","borrow","borrow_mut","enabled","flush","from","init","into","log","try_from","try_into","type_id","console_getchar","console_putchar","shutdown","UPSafeCell","up","UPSafeCell","borrow","borrow_mut","exclusive_access","from","inner","into","new","try_from","try_into","type_id","SYSCALL_EXIT","SYSCALL_WRITE","fs","process","syscall","FD_STDOUT","sys_write","sys_exit","TrapContext","context","init","sepc","sstatus","trap_handler","x","TrapContext","app_init_context","borrow","borrow_mut","from","into","sepc","set_sp","sstatus","try_from","try_into","type_id","x"],"q":[[0,"os"],[12,"os::batch"],[68,"os::console"],[78,"os::lang_items"],[79,"os::logging"],[91,"os::sbi"],[94,"os::sync"],[96,"os::sync::up"],[107,"os::syscall"],[112,"os::syscall::fs"],[114,"os::syscall::process"],[115,"os::trap"],[122,"os::trap::context"],[135,"core::result"],[136,"core::any"],[137,"core::fmt"],[138,"core::fmt"],[139,"log"],[140,"log"]],"d":["batch subsystem","clear BSS segment","SBI console driver, for text output","The panic handler","","print string macro","println string macro","the rust entry-point of os","SBI call wrappers","Synchronization and interior mutability primitives","Implementation of syscalls","Trap handling functionality","","","","","","","","","","","","","","","","","","","","","","","","","","Returns the argument unchanged.","Returns the argument unchanged.","Returns the argument unchanged.","Returns the argument unchanged.","","","","init batch subsystem","Calls U::from(self).","Calls U::from(self).","Calls U::from(self).","Calls U::from(self).","","","","print apps info","","","run next app","","","","","","","","","","","","","","","","Returns the argument unchanged.","Calls U::from(self).","","","","","","","","","","","","Returns the argument unchanged.","","Calls U::from(self).","","","","","use sbi call to getchar from console (qemu uart handler)","use sbi call to putchar in console (qemu uart handler)","use sbi call to shutdown the kernel","","Uniprocessor interior mutability primitives","Wrap a static data structure inside it so that we are able …","","","Exclusive access inner data in UPSafeCell. Panic if the …","Returns the argument unchanged.","inner data","Calls U::from(self).","User is responsible to guarantee that inner struct is only …","","","","","","File and filesystem-related syscalls","App management syscalls","handle syscall exception with syscall_id and other …","","write buf of length len to a file with fd","task exits and submit an exit code","Trap Context","","initialize CSR stvec as the entry of __alltraps","CSR sepc","CSR sstatus ","handle an interrupt, exception, or system call from user …","general regs[0..31]","Trap Context","init app context","","","Returns the argument unchanged.","Calls U::from(self).","CSR sepc","set stack pointer to x_2 reg (sp)","CSR sstatus ","","","","general regs[0..31]"],"i":[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,3,4,7,8,4,3,7,8,4,3,4,7,8,3,7,8,4,3,4,7,8,0,7,8,4,3,4,4,4,0,4,7,0,7,8,4,3,7,8,4,3,7,8,4,3,0,13,13,13,13,0,13,13,13,13,0,0,17,17,17,17,17,0,17,17,17,17,17,0,0,0,0,0,0,5,5,5,5,5,5,5,5,5,5,0,0,0,0,0,0,0,0,0,0,0,9,9,0,9,0,9,9,9,9,9,9,9,9,9,9,9,9],"f":[0,[[],1],0,0,0,0,0,[[],2],0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,[-1,-2,[],[]],[-1,-2,[],[]],[-1,-2,[],[]],[-1,-2,[],[]],[-1,-2,[],[]],[-1,-2,[],[]],[-1,-2,[],[]],[-1,-2,[],[]],0,0,0,[3,[[5,[4]]]],[-1,-1,[]],[-1,-1,[]],[-1,-1,[]],[-1,-1,[]],[4,6],[7,6],[8,6],[[],1],[-1,-2,[],[]],[-1,-2,[],[]],[-1,-2,[],[]],[-1,-2,[],[]],[[4,6],1],[4,1],0,[[],1],[4,1],[[7,9],9],[[],2],[-1,[[10,[-2]]],[],[]],[-1,[[10,[-2]]],[],[]],[-1,[[10,[-2]]],[],[]],[-1,[[10,[-2]]],[],[]],[-1,[[10,[-2]]],[],[]],[-1,[[10,[-2]]],[],[]],[-1,[[10,[-2]]],[],[]],[-1,[[10,[-2]]],[],[]],[-1,11,[]],[-1,11,[]],[-1,11,[]],[-1,11,[]],0,[-1,-2,[],[]],[-1,-2,[],[]],[-1,-1,[]],[-1,-2,[],[]],[12,1],[-1,[[10,[-2]]],[],[]],[-1,[[10,[-2]]],[],[]],[-1,11,[]],[[13,14],15],[16,2],0,[-1,-2,[],[]],[-1,-2,[],[]],[[17,18],19],[17,1],[-1,-1,[]],[[],1],[-1,-2,[],[]],[[17,20],1],[-1,[[10,[-2]]],[],[]],[-1,[[10,[-2]]],[],[]],[-1,11,[]],[[],6],[6,1],[19,2],0,0,0,[-1,-2,[],[]],[-1,-2,[],[]],[[[5,[-1]]],[[21,[-1]]],[]],[-1,-1,[]],0,[-1,-2,[],[]],[-1,[[5,[-1]]],[]],[-1,[[10,[-2]]],[],[]],[-1,[[10,[-2]]],[],[]],[-1,11,[]],0,0,0,0,[[6,[22,[6]]],23],0,[[6,24,6],23],[25,2],0,0,[[],1],0,0,[9,9],0,0,[[6,6],9],[-1,-2,[],[]],[-1,-2,[],[]],[-1,-1,[]],[-1,-2,[],[]],0,[[9,6],1],0,[-1,[[10,[-2]]],[],[]],[-1,[[10,[-2]]],[],[]],[-1,11,[]],0],"c":[],"p":[[15,"tuple"],[15,"never"],[3,"APP_MANAGER",12],[3,"AppManager",12],[3,"UPSafeCell",96],[15,"usize"],[3,"KernelStack",12],[3,"UserStack",12],[3,"TrapContext",122],[4,"Result",135],[3,"TypeId",136],[3,"Arguments",137],[3,"Stdout",68],[15,"str"],[6,"Result",137],[3,"PanicInfo",138],[3,"SimpleLogger",79],[3,"Metadata",139],[15,"bool"],[3,"Record",139],[3,"RefMut",140],[15,"array"],[15,"isize"],[15,"u8"],[15,"i32"]]}\ -}'); -if (typeof window !== 'undefined' && window.initSearch) {window.initSearch(searchIndex)}; -if (typeof exports !== 'undefined') {exports.searchIndex = searchIndex}; +var searchIndex = new Map(JSON.parse('[\ +["os",{"doc":"The main module and entrypoint","t":"CHCCCQQHCCCCSFSFJSFSJSFOONNNNNNNNOOONNNNNNNNHNNNNNNOHNNHNNNNNNNNNNNNFNNNNHNNNNHFNNNNNHNNNNNHHHECFNNNNONNNNNSSCCHSHHFCHOOHOFNNNNNONONNNO","n":["batch","clear_bss","console","lang_items","logging","print","println","rust_main","sbi","sync","syscall","trap","APP_BASE_ADDRESS","APP_MANAGER","APP_SIZE_LIMIT","AppManager","KERNEL_STACK","KERNEL_STACK_SIZE","KernelStack","MAX_APP_NUM","USER_STACK","USER_STACK_SIZE","UserStack","__private_field","app_start","borrow","borrow","borrow","borrow","borrow_mut","borrow_mut","borrow_mut","borrow_mut","current_app","data","data","deref","from","from","from","from","get_current_app","get_sp","get_sp","init","into","into","into","into","load_app","move_to_next_app","num_app","print_app_info","print_app_info","push_context","run_next_app","try_from","try_from","try_from","try_from","try_into","try_into","try_into","try_into","type_id","type_id","type_id","type_id","Stdout","borrow","borrow_mut","from","into","print","try_from","try_into","type_id","write_str","panic","SimpleLogger","borrow","borrow_mut","enabled","flush","from","init","into","log","try_from","try_into","type_id","console_getchar","console_putchar","shutdown","UPSafeCell","up","UPSafeCell","borrow","borrow_mut","exclusive_access","from","inner","into","new","try_from","try_into","type_id","SYSCALL_EXIT","SYSCALL_WRITE","fs","process","syscall","FD_STDOUT","sys_write","sys_exit","TrapContext","context","init","sepc","sstatus","trap_handler","x","TrapContext","app_init_context","borrow","borrow_mut","from","into","sepc","set_sp","sstatus","try_from","try_into","type_id","x"],"q":[[0,"os"],[12,"os::batch"],[68,"os::console"],[78,"os::lang_items"],[79,"os::logging"],[91,"os::sbi"],[94,"os::sync"],[96,"os::sync::up"],[107,"os::syscall"],[112,"os::syscall::fs"],[114,"os::syscall::process"],[115,"os::trap"],[122,"os::trap::context"],[135,"core::result"],[136,"core::any"],[137,"core::fmt"],[138,"core::fmt"],[139,"log"],[140,"log"]],"d":["batch subsystem","clear BSS segment","SBI console driver, for text output","The panic handler","","print string macro","println string macro","the rust entry-point of os","SBI call wrappers","Synchronization and interior mutability primitives","Implementation of syscalls","Trap handling functionality","","","","","","","","","","","","","","","","","","","","","","","","","","Returns the argument unchanged.","Returns the argument unchanged.","Returns the argument unchanged.","Returns the argument unchanged.","","","","init batch subsystem","Calls U::from(self).","Calls U::from(self).","Calls U::from(self).","Calls U::from(self).","","","","print apps info","","","run next app","","","","","","","","","","","","","","","","Returns the argument unchanged.","Calls U::from(self).","","","","","","","","","","","","Returns the argument unchanged.","","Calls U::from(self).","","","","","use sbi call to getchar from console (qemu uart handler)","use sbi call to putchar in console (qemu uart handler)","use sbi call to shutdown the kernel","","Uniprocessor interior mutability primitives","Wrap a static data structure inside it so that we are able …","","","Exclusive access inner data in UPSafeCell. Panic if the …","Returns the argument unchanged.","inner data","Calls U::from(self).","User is responsible to guarantee that inner struct is only …","","","","","","File and filesystem-related syscalls","App management syscalls","handle syscall exception with syscall_id and other …","","write buf of length len to a file with fd","task exits and submit an exit code","Trap Context","","initialize CSR stvec as the entry of __alltraps","CSR sepc","CSR sstatus ","handle an interrupt, exception, or system call from user …","general regs[0..31]","Trap Context","init app context","","","Returns the argument unchanged.","Calls U::from(self).","CSR sepc","set stack pointer to x_2 reg (sp)","CSR sstatus ","","","","general regs[0..31]"],"i":[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,3,4,7,8,4,3,7,8,4,3,4,7,8,3,7,8,4,3,4,7,8,0,7,8,4,3,4,4,4,0,4,7,0,7,8,4,3,7,8,4,3,7,8,4,3,0,13,13,13,13,0,13,13,13,13,0,0,17,17,17,17,17,0,17,17,17,17,17,0,0,0,0,0,0,5,5,5,5,5,5,5,5,5,5,0,0,0,0,0,0,0,0,0,0,0,9,9,0,9,0,9,9,9,9,9,9,9,9,9,9,9,9],"f":"`{{}b}`````{{}d}`````````````````{ce{}{}}0000000```{f{{j{h}}}}{cc{}}000{hl}{nl}{A`l}75555{{hl}b}{hb}`90{{nAb}Ab}9{c{{Ad{e}}}{}{}}0000000{cAf{}}000`::8:{Ahb}221{{AjAl}An}{B`d}`=={{BbBd}Bf}{Bbb}={{}b}{ce{}{}}{{BbBh}b}998{{}l}{lb}{Bfd}```44{{{j{c}}}{{Bj{c}}}{}}{cc{}}`6{c{{j{c}}}{}}??>````{{l{Bl{l}}}Bn}`{{lC`l}Bn}{Cbd}``;``{AbAb}``{{ll}Ab}<<6<`{{Abl}b}`{c{{Ad{e}}}{}{}}0{cAf{}}`","c":[],"p":[[1,"unit"],[1,"never"],[5,"APP_MANAGER",12],[5,"AppManager",12],[5,"UPSafeCell",96],[1,"usize"],[5,"KernelStack",12],[5,"UserStack",12],[5,"TrapContext",122],[6,"Result",135],[5,"TypeId",136],[5,"Arguments",137],[5,"Stdout",68],[1,"str"],[8,"Result",137],[5,"PanicInfo",138],[5,"SimpleLogger",79],[5,"Metadata",139],[1,"bool"],[5,"Record",139],[5,"RefMut",140],[1,"array"],[1,"isize"],[1,"u8"],[1,"i32"]],"b":[]}]\ +]')); +if (typeof exports !== 'undefined') exports.searchIndex = searchIndex; +else if (window.initSearch) window.initSearch(searchIndex); diff --git a/ch2/settings.html b/ch2/settings.html index 44145da1..63ab9477 100644 --- a/ch2/settings.html +++ b/ch2/settings.html @@ -1 +1,2 @@ -Rustdoc settings

Rustdoc settings

Back
\ No newline at end of file +Settings
+

Rustdoc settings

Back
\ No newline at end of file diff --git a/ch2/src-files.js b/ch2/src-files.js index 252f20eb..6cbf5bb0 100644 --- a/ch2/src-files.js +++ b/ch2/src-files.js @@ -1,4 +1,4 @@ -var srcIndex = JSON.parse('{\ -"os":["",[["sync",[],["mod.rs","up.rs"]],["syscall",[],["fs.rs","mod.rs","process.rs"]],["trap",[],["context.rs","mod.rs"]]],["batch.rs","console.rs","lang_items.rs","logging.rs","main.rs","sbi.rs"]]\ -}'); +var srcIndex = new Map(JSON.parse('[\ +["os",["",[["sync",[],["mod.rs","up.rs"]],["syscall",[],["fs.rs","mod.rs","process.rs"]],["trap",[],["context.rs","mod.rs"]]],["batch.rs","console.rs","lang_items.rs","logging.rs","main.rs","sbi.rs"]]]\ +]')); createSrcSidebar(); diff --git a/ch2/src/os/batch.rs.html b/ch2/src/os/batch.rs.html index 8d37a1b3..23efade9 100644 --- a/ch2/src/os/batch.rs.html +++ b/ch2/src/os/batch.rs.html @@ -1,4 +1,6 @@ -batch.rs - source
1
+batch.rs - source

+    
1
 2
 3
 4
@@ -187,7 +189,7 @@
     fn get_sp(&self) -> usize {
         self.data.as_ptr() as usize + KERNEL_STACK_SIZE
     }
-    pub fn push_context(&self, cx: TrapContext) -> &'static mut TrapContext {
+    pub fn push_context(&self, cx: TrapContext) -> &'static mut TrapContext {
         let cx_ptr = (self.get_sp() - core::mem::size_of::<TrapContext>()) as *mut TrapContext;
         unsafe {
             *cx_ptr = cx;
@@ -210,10 +212,10 @@
 
 impl AppManager {
     pub fn print_app_info(&self) {
-        println!("[kernel] num_app = {}", self.num_app);
+        println!("[kernel] num_app = {}", self.num_app);
         for i in 0..self.num_app {
             println!(
-                "[kernel] app_{} [{:#x}, {:#x})",
+                "[kernel] app_{} [{:#x}, {:#x})",
                 i,
                 self.app_start[i],
                 self.app_start[i + 1]
@@ -223,10 +225,10 @@
 
     unsafe fn load_app(&self, app_id: usize) {
         if app_id >= self.num_app {
-            println!("All applications completed!");
+            println!("All applications completed!");
             shutdown(false);
         }
-        println!("[kernel] Loading app_{}", app_id);
+        println!("[kernel] Loading app_{}", app_id);
         // clear app area
         core::slice::from_raw_parts_mut(APP_BASE_ADDRESS as *mut u8, APP_SIZE_LIMIT).fill(0);
         let app_src = core::slice::from_raw_parts(
@@ -240,8 +242,8 @@
         // observes all previous writes to the instruction memory.
         // Therefore, fence.i must be executed after we have loaded
         // the code of the next app into the instruction memory.
-        // See also: riscv non-priv spec chapter 3, 'Zifencei' extension.
-        asm!("fence.i");
+        // See also: riscv non-priv spec chapter 3, 'Zifencei' extension.
+        asm!("fence.i");
     }
 
     pub fn get_current_app(&self) -> usize {
@@ -256,7 +258,7 @@
 lazy_static! {
     static ref APP_MANAGER: UPSafeCell<AppManager> = unsafe {
         UPSafeCell::new({
-            extern "C" {
+            extern "C" {
                 fn _num_app();
             }
             let num_app_ptr = _num_app as usize as *const usize;
@@ -295,7 +297,7 @@
     drop(app_manager);
     // before this we have to drop local variables related to resources manually
     // and release the resources
-    extern "C" {
+    extern "C" {
         fn __restore(cx_addr: usize);
     }
     unsafe {
@@ -304,6 +306,6 @@
             USER_STACK.get_sp(),
         )) as *const _ as usize);
     }
-    panic!("Unreachable in batch::run_current_app!");
+    panic!("Unreachable in batch::run_current_app!");
 }
 

\ No newline at end of file
diff --git a/ch2/src/os/console.rs.html b/ch2/src/os/console.rs.html
index 87c764f5..d5f986b0 100644
--- a/ch2/src/os/console.rs.html
+++ b/ch2/src/os/console.rs.html
@@ -1,4 +1,6 @@
-console.rs - source
1
+console.rs - source

+    
1
 2
 3
 4
@@ -65,7 +67,7 @@
 #[macro_export]
 macro_rules! println {
     ($fmt: literal $(, $($arg: tt)+)?) => {
-        $crate::console::print(format_args!(concat!($fmt, "\n") $(, $($arg)+)?));
+        $crate::console::print(format_args!(concat!($fmt, "\n") $(, $($arg)+)?));
     }
 }
 

\ No newline at end of file
diff --git a/ch2/src/os/lang_items.rs.html b/ch2/src/os/lang_items.rs.html
index 54538317..40d11cab 100644
--- a/ch2/src/os/lang_items.rs.html
+++ b/ch2/src/os/lang_items.rs.html
@@ -1,4 +1,6 @@
-lang_items.rs - source
1
+lang_items.rs - source

+    
1
 2
 3
 4
@@ -28,13 +30,13 @@
 fn panic(info: &PanicInfo) -> ! {
     if let Some(location) = info.location() {
         error!(
-            "[kernel] Panicked at {}:{} {}",
+            "[kernel] Panicked at {}:{} {}",
             location.file(),
             location.line(),
             info.message().unwrap()
         );
     } else {
-        error!("[kernel] Panicked: {}", info.message().unwrap());
+        error!("[kernel] Panicked: {}", info.message().unwrap());
     }
     shutdown(true)
 }
diff --git a/ch2/src/os/logging.rs.html b/ch2/src/os/logging.rs.html
index 1fc49ade..c4c731af 100644
--- a/ch2/src/os/logging.rs.html
+++ b/ch2/src/os/logging.rs.html
@@ -1,4 +1,6 @@
-logging.rs - source
1
+logging.rs - source

+    
1
 2
 3
 4
@@ -71,7 +73,7 @@
             Level::Trace => 90, // BrightBlack
         };
         println!(
-            "\u{1B}[{}m[{:>5}] {}\u{1B}[0m",
+            "\u{1B}[{}m[{:>5}] {}\u{1B}[0m",
             color,
             record.level(),
             record.args(),
@@ -83,12 +85,12 @@
 pub fn init() {
     static LOGGER: SimpleLogger = SimpleLogger;
     log::set_logger(&LOGGER).unwrap();
-    log::set_max_level(match option_env!("LOG") {
-        Some("ERROR") => LevelFilter::Error,
-        Some("WARN") => LevelFilter::Warn,
-        Some("INFO") => LevelFilter::Info,
-        Some("DEBUG") => LevelFilter::Debug,
-        Some("TRACE") => LevelFilter::Trace,
+    log::set_max_level(match option_env!("LOG") {
+        Some("ERROR") => LevelFilter::Error,
+        Some("WARN") => LevelFilter::Warn,
+        Some("INFO") => LevelFilter::Info,
+        Some("DEBUG") => LevelFilter::Debug,
+        Some("TRACE") => LevelFilter::Trace,
         _ => LevelFilter::Off,
     });
 }
diff --git a/ch2/src/os/main.rs.html b/ch2/src/os/main.rs.html
index a6ff66fc..b3b68fcb 100644
--- a/ch2/src/os/main.rs.html
+++ b/ch2/src/os/main.rs.html
@@ -1,4 +1,6 @@
-main.rs - source
1
+main.rs - source

+    
1
 2
 3
 4
@@ -123,12 +125,12 @@
 pub mod syscall;
 pub mod trap;
 
-global_asm!(include_str!("entry.asm"));
-global_asm!(include_str!("link_app.S"));
+global_asm!(include_str!("entry.asm"));
+global_asm!(include_str!("link_app.S"));
 
 /// clear BSS segment
 fn clear_bss() {
-    extern "C" {
+    extern "C" {
         fn sbss();
         fn ebss();
     }
@@ -141,7 +143,7 @@
 /// the rust entry-point of os
 #[no_mangle]
 pub fn rust_main() -> ! {
-    extern "C" {
+    extern "C" {
         fn stext(); // begin addr of text segment
         fn etext(); // end addr of text segment
         fn srodata(); // start addr of Read-Only data segment
@@ -155,25 +157,25 @@
     }
     clear_bss();
     logging::init();
-    println!("[kernel] Hello, world!");
+    println!("[kernel] Hello, world!");
     trace!(
-        "[kernel] .text [{:#x}, {:#x})",
+        "[kernel] .text [{:#x}, {:#x})",
         stext as usize,
         etext as usize
     );
     debug!(
-        "[kernel] .rodata [{:#x}, {:#x})",
+        "[kernel] .rodata [{:#x}, {:#x})",
         srodata as usize, erodata as usize
     );
     info!(
-        "[kernel] .data [{:#x}, {:#x})",
+        "[kernel] .data [{:#x}, {:#x})",
         sdata as usize, edata as usize
     );
     warn!(
-        "[kernel] boot_stack top=bottom={:#x}, lower_bound={:#x}",
+        "[kernel] boot_stack top=bottom={:#x}, lower_bound={:#x}",
         boot_stack_top as usize, boot_stack_lower_bound as usize
     );
-    error!("[kernel] .bss [{:#x}, {:#x})", sbss as usize, ebss as usize);
+    error!("[kernel] .bss [{:#x}, {:#x})", sbss as usize, ebss as usize);
     trap::init();
     batch::init();
     batch::run_next_app();
diff --git a/ch2/src/os/sbi.rs.html b/ch2/src/os/sbi.rs.html
index 30662e7b..bfe62a53 100644
--- a/ch2/src/os/sbi.rs.html
+++ b/ch2/src/os/sbi.rs.html
@@ -1,4 +1,6 @@
-sbi.rs - source
1
+sbi.rs - source

+    
1
 2
 3
 4
diff --git a/ch2/src/os/sync/mod.rs.html b/ch2/src/os/sync/mod.rs.html
index 69a1903f..33020e00 100644
--- a/ch2/src/os/sync/mod.rs.html
+++ b/ch2/src/os/sync/mod.rs.html
@@ -1,4 +1,6 @@
-mod.rs - source
1
+mod.rs - source

+    
1
 2
 3
 4
diff --git a/ch2/src/os/sync/up.rs.html b/ch2/src/os/sync/up.rs.html
index 0b34b381..fed75fb0 100644
--- a/ch2/src/os/sync/up.rs.html
+++ b/ch2/src/os/sync/up.rs.html
@@ -1,4 +1,6 @@
-up.rs - source
1
+up.rs - source

+    
1
 2
 3
 4
@@ -56,7 +58,7 @@
         }
     }
     /// Exclusive access inner data in UPSafeCell. Panic if the data has been borrowed.
-    pub fn exclusive_access(&self) -> RefMut<'_, T> {
+    pub fn exclusive_access(&self) -> RefMut<'_, T> {
         self.inner.borrow_mut()
     }
 }
diff --git a/ch2/src/os/syscall/fs.rs.html b/ch2/src/os/syscall/fs.rs.html
index 67cee8cc..3dcfa502 100644
--- a/ch2/src/os/syscall/fs.rs.html
+++ b/ch2/src/os/syscall/fs.rs.html
@@ -1,4 +1,6 @@
-fs.rs - source
1
+fs.rs - source

+    
1
 2
 3
 4
@@ -26,11 +28,11 @@
         FD_STDOUT => {
             let slice = unsafe { core::slice::from_raw_parts(buf, len) };
             let str = core::str::from_utf8(slice).unwrap();
-            print!("{}", str);
+            print!("{}", str);
             len as isize
         }
         _ => {
-            panic!("Unsupported fd in sys_write!");
+            panic!("Unsupported fd in sys_write!");
         }
     }
 }
diff --git a/ch2/src/os/syscall/mod.rs.html b/ch2/src/os/syscall/mod.rs.html
index 170dbdc2..02dfd468 100644
--- a/ch2/src/os/syscall/mod.rs.html
+++ b/ch2/src/os/syscall/mod.rs.html
@@ -1,4 +1,6 @@
-mod.rs - source
1
+mod.rs - source

+    
1
 2
 3
 4
@@ -31,8 +33,8 @@
 //!
 //! The single entry point to all system calls, [`syscall()`], is called
 //! whenever userspace wishes to perform a system call using the `ecall`
-//! instruction. In this case, the processor raises an 'Environment call from
-//! U-mode' exception, which is handled as one of the cases in
+//! instruction. In this case, the processor raises an 'Environment call from
+//! U-mode' exception, which is handled as one of the cases in
 //! [`crate::trap::trap_handler`].
 //!
 //! For clarity, each single syscall is implemented as its own function, named
@@ -53,7 +55,7 @@
     match syscall_id {
         SYSCALL_WRITE => sys_write(args[0], args[1] as *const u8, args[2]),
         SYSCALL_EXIT => sys_exit(args[0] as i32),
-        _ => panic!("Unsupported syscall_id: {}", syscall_id),
+        _ => panic!("Unsupported syscall_id: {}", syscall_id),
     }
 }
 

\ No newline at end of file
diff --git a/ch2/src/os/syscall/process.rs.html b/ch2/src/os/syscall/process.rs.html
index da179c12..5e21acf3 100644
--- a/ch2/src/os/syscall/process.rs.html
+++ b/ch2/src/os/syscall/process.rs.html
@@ -1,4 +1,6 @@
-process.rs - source
1
+process.rs - source

+    
1
 2
 3
 4
@@ -11,7 +13,7 @@
 
 /// task exits and submit an exit code
 pub fn sys_exit(exit_code: i32) -> ! {
-    println!("[kernel] Application exited with code {}", exit_code);
+    println!("[kernel] Application exited with code {}", exit_code);
     run_next_app()
 }
 

\ No newline at end of file
diff --git a/ch2/src/os/trap/context.rs.html b/ch2/src/os/trap/context.rs.html
index 558df952..9fd49840 100644
--- a/ch2/src/os/trap/context.rs.html
+++ b/ch2/src/os/trap/context.rs.html
@@ -1,4 +1,6 @@
-context.rs - source
1
+context.rs - source

+    
1
 2
 3
 4
@@ -54,7 +56,7 @@
             sstatus,
             sepc: entry, // entry point of app
         };
-        cx.set_sp(sp); // app's user stack pointer
+        cx.set_sp(sp); // app's user stack pointer
         cx // return initial Trap Context of app
     }
 }
diff --git a/ch2/src/os/trap/mod.rs.html b/ch2/src/os/trap/mod.rs.html
index 03ced714..b94916f7 100644
--- a/ch2/src/os/trap/mod.rs.html
+++ b/ch2/src/os/trap/mod.rs.html
@@ -1,4 +1,6 @@
-mod.rs - source
1
+mod.rs - source

+    
1
 2
 3
 4
@@ -90,11 +92,11 @@
     stval, stvec,
 };
 
-global_asm!(include_str!("trap.S"));
+global_asm!(include_str!("trap.S"));
 
 /// initialize CSR `stvec` as the entry of `__alltraps`
 pub fn init() {
-    extern "C" {
+    extern "C" {
         fn __alltraps();
     }
     unsafe {
@@ -113,16 +115,16 @@
             cx.x[10] = syscall(cx.x[17], [cx.x[10], cx.x[11], cx.x[12]]) as usize;
         }
         Trap::Exception(Exception::StoreFault) | Trap::Exception(Exception::StorePageFault) => {
-            println!("[kernel] PageFault in application, kernel killed it.");
+            println!("[kernel] PageFault in application, kernel killed it.");
             run_next_app();
         }
         Trap::Exception(Exception::IllegalInstruction) => {
-            println!("[kernel] IllegalInstruction in application, kernel killed it.");
+            println!("[kernel] IllegalInstruction in application, kernel killed it.");
             run_next_app();
         }
         _ => {
             panic!(
-                "Unsupported trap {:?}, stval = {:#x}!",
+                "Unsupported trap {:?}, stval = {:#x}!",
                 scause.cause(),
                 stval
             );
diff --git a/ch2/static.files/main-0b2e2def73e61cbe.js b/ch2/static.files/main-0b2e2def73e61cbe.js
new file mode 100644
index 00000000..a195dccb
--- /dev/null
+++ b/ch2/static.files/main-0b2e2def73e61cbe.js
@@ -0,0 +1,11 @@
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\ No newline at end of file
diff --git a/ch2/static.files/search-5f5ec5419eadd0c9.js b/ch2/static.files/search-5f5ec5419eadd0c9.js
deleted file mode 100644
index e25c1820..00000000
--- a/ch2/static.files/search-5f5ec5419eadd0c9.js
+++ /dev/null
@@ -1,5 +0,0 @@
-"use strict";if(!Array.prototype.toSpliced){Array.prototype.toSpliced=function(){const me=this.slice();Array.prototype.splice.apply(me,arguments);return me}}(function(){const itemTypes=["mod","externcrate","import","struct","enum","fn","type","static","trait","impl","tymethod","method","structfield","variant","macro","primitive","associatedtype","constant","associatedconstant","union","foreigntype","keyword","existential","attr","derive","traitalias","generic",];const longItemTypes=["module","extern crate","re-export","struct","enum","function","type alias","static","trait","","trait method","method","struct field","enum variant","macro","primitive type","assoc type","constant","assoc const","union","foreign type","keyword","existential type","attribute macro","derive macro","trait alias",];const TY_PRIMITIVE=itemTypes.indexOf("primitive");const TY_KEYWORD=itemTypes.indexOf("keyword");const TY_GENERIC=itemTypes.indexOf("generic");const ROOT_PATH=typeof window!=="undefined"?window.rootPath:"../";function hasOwnPropertyRustdoc(obj,property){return Object.prototype.hasOwnProperty.call(obj,property)}function printTab(nb){let iter=0;let foundCurrentTab=false;let foundCurrentResultSet=false;onEachLazy(document.getElementById("search-tabs").childNodes,elem=>{if(nb===iter){addClass(elem,"selected");foundCurrentTab=true}else{removeClass(elem,"selected")}iter+=1});const isTypeSearch=(nb>0||iter===1);iter=0;onEachLazy(document.getElementById("results").childNodes,elem=>{if(nb===iter){addClass(elem,"active");foundCurrentResultSet=true}else{removeClass(elem,"active")}iter+=1});if(foundCurrentTab&&foundCurrentResultSet){searchState.currentTab=nb;const correctionsElem=document.getElementsByClassName("search-corrections");if(isTypeSearch){removeClass(correctionsElem[0],"hidden")}else{addClass(correctionsElem[0],"hidden")}}else if(nb!==0){printTab(0)}}const editDistanceState={current:[],prev:[],prevPrev:[],calculate:function calculate(a,b,limit){if(a.lengthlimit){return limit+1}while(b.length>0&&b[0]===a[0]){a=a.substring(1);b=b.substring(1)}while(b.length>0&&b[b.length-1]===a[a.length-1]){a=a.substring(0,a.length-1);b=b.substring(0,b.length-1)}if(b.length===0){return minDist}const aLength=a.length;const bLength=b.length;for(let i=0;i<=bLength;++i){this.current[i]=0;this.prev[i]=i;this.prevPrev[i]=Number.MAX_VALUE}for(let i=1;i<=aLength;++i){this.current[0]=i;const aIdx=i-1;for(let j=1;j<=bLength;++j){const bIdx=j-1;const substitutionCost=a[aIdx]===b[bIdx]?0:1;this.current[j]=Math.min(this.prev[j]+1,this.current[j-1]+1,this.prev[j-1]+substitutionCost);if((i>1)&&(j>1)&&(a[aIdx]===b[bIdx-1])&&(a[aIdx-1]===b[bIdx])){this.current[j]=Math.min(this.current[j],this.prevPrev[j-2]+1)}}const prevPrevTmp=this.prevPrev;this.prevPrev=this.prev;this.prev=this.current;this.current=prevPrevTmp}const distance=this.prev[bLength];return distance<=limit?distance:(limit+1)},};function editDistance(a,b,limit){return editDistanceState.calculate(a,b,limit)}function initSearch(rawSearchIndex){const MAX_RESULTS=200;const NO_TYPE_FILTER=-1;let searchIndex;let currentResults;let typeNameIdMap;const ALIASES=new Map();let typeNameIdOfArray;let typeNameIdOfSlice;let typeNameIdOfArrayOrSlice;function buildTypeMapIndex(name){if(name===""||name===null){return null}if(typeNameIdMap.has(name)){return typeNameIdMap.get(name)}else{const id=typeNameIdMap.size;typeNameIdMap.set(name,id);return id}}function isWhitespace(c){return" \t\n\r".indexOf(c)!==-1}function isSpecialStartCharacter(c){return"<\"".indexOf(c)!==-1}function isEndCharacter(c){return",>-]".indexOf(c)!==-1}function isStopCharacter(c){return isEndCharacter(c)}function isErrorCharacter(c){return"()".indexOf(c)!==-1}function itemTypeFromName(typename){const index=itemTypes.findIndex(i=>i===typename);if(index<0){throw["Unknown type filter ",typename]}return index}function getStringElem(query,parserState,isInGenerics){if(isInGenerics){throw["Unexpected ","\""," in generics"]}else if(query.literalSearch){throw["Cannot have more than one literal search element"]}else if(parserState.totalElems-parserState.genericsElems>0){throw["Cannot use literal search when there is more than one element"]}parserState.pos+=1;const start=parserState.pos;const end=getIdentEndPosition(parserState);if(parserState.pos>=parserState.length){throw["Unclosed ","\""]}else if(parserState.userQuery[end]!=="\""){throw["Unexpected ",parserState.userQuery[end]," in a string element"]}else if(start===end){throw["Cannot have empty string element"]}parserState.pos+=1;query.literalSearch=true}function isPathStart(parserState){return parserState.userQuery.slice(parserState.pos,parserState.pos+2)==="::"}function isReturnArrow(parserState){return parserState.userQuery.slice(parserState.pos,parserState.pos+2)==="->"}function isIdentCharacter(c){return(c==="_"||(c>="0"&&c<="9")||(c>="a"&&c<="z")||(c>="A"&&c<="Z"))}function isSeparatorCharacter(c){return c===","}function isPathSeparator(c){return c===":"||isWhitespace(c)}function prevIs(parserState,lookingFor){let pos=parserState.pos;while(pos>0){const c=parserState.userQuery[pos-1];if(c===lookingFor){return true}else if(!isWhitespace(c)){break}pos-=1}return false}function isLastElemGeneric(elems,parserState){return(elems.length>0&&elems[elems.length-1].generics.length>0)||prevIs(parserState,">")}function skipWhitespace(parserState){while(parserState.pos0){throw["Cannot have more than one element if you use quotes"]}const typeFilter=parserState.typeFilter;parserState.typeFilter=null;if(name==="!"){if(typeFilter!==null&&typeFilter!=="primitive"){throw["Invalid search type: primitive never type ","!"," and ",typeFilter," both specified",]}if(generics.length!==0){throw["Never type ","!"," does not accept generic parameters",]}return{name:"never",id:null,fullPath:["never"],pathWithoutLast:[],pathLast:"never",generics:[],typeFilter:"primitive",}}if(path.startsWith("::")){throw["Paths cannot start with ","::"]}else if(path.endsWith("::")){throw["Paths cannot end with ","::"]}else if(path.includes("::::")){throw["Unexpected ","::::"]}else if(path.includes(" ::")){throw["Unexpected "," ::"]}else if(path.includes(":: ")){throw["Unexpected ",":: "]}const pathSegments=path.split(/::|\s+/);if(pathSegments.length===0||(pathSegments.length===1&&pathSegments[0]==="")){if(generics.length>0||prevIs(parserState,">")){throw["Found generics without a path"]}else{throw["Unexpected ",parserState.userQuery[parserState.pos]]}}for(const[i,pathSegment]of pathSegments.entries()){if(pathSegment==="!"){if(i!==0){throw["Never type ","!"," is not associated item"]}pathSegments[i]="never"}}parserState.totalElems+=1;if(isInGenerics){parserState.genericsElems+=1}return{name:name.trim(),id:null,fullPath:pathSegments,pathWithoutLast:pathSegments.slice(0,pathSegments.length-1),pathLast:pathSegments[pathSegments.length-1],generics:generics,typeFilter,}}function getIdentEndPosition(parserState){const start=parserState.pos;let end=parserState.pos;let foundExclamation=-1;while(parserState.pos=end){throw["Found generics without a path"]}parserState.pos+=1;getItemsBefore(query,parserState,generics,">")}if(isStringElem){skipWhitespace(parserState)}if(start>=end&&generics.length===0){return}elems.push(createQueryElement(query,parserState,parserState.userQuery.slice(start,end),generics,isInGenerics))}}function getItemsBefore(query,parserState,elems,endChar){let foundStopChar=true;let start=parserState.pos;const oldTypeFilter=parserState.typeFilter;parserState.typeFilter=null;let extra="";if(endChar===">"){extra="<"}else if(endChar==="]"){extra="["}else if(endChar===""){extra="->"}else{extra=endChar}while(parserState.pos"]}else if(prevIs(parserState,"\"")){throw["Cannot have more than one element if you use quotes"]}if(endChar!==""){throw["Expected ",","," or ",endChar,...extra,", found ",c,]}throw["Expected ",",",...extra,", found ",c,]}const posBefore=parserState.pos;start=parserState.pos;getNextElem(query,parserState,elems,endChar!=="");if(endChar!==""&&parserState.pos>=parserState.length){throw["Unclosed ",extra]}if(posBefore===parserState.pos){parserState.pos+=1}foundStopChar=false}if(parserState.pos>=parserState.length&&endChar!==""){throw["Unclosed ",extra]}parserState.pos+=1;parserState.typeFilter=oldTypeFilter}function checkExtraTypeFilterCharacters(start,parserState){const query=parserState.userQuery.slice(start,parserState.pos).trim();for(const c in query){if(!isIdentCharacter(query[c])){throw["Unexpected ",query[c]," in type filter (before ",":",")",]}}}function parseInput(query,parserState){let foundStopChar=true;let start=parserState.pos;while(parserState.pos"){if(isReturnArrow(parserState)){break}throw["Unexpected ",c," (did you mean ","->","?)"]}throw["Unexpected ",c]}else if(c===":"&&!isPathStart(parserState)){if(parserState.typeFilter!==null){throw["Unexpected ",":"," (expected path after type filter ",parserState.typeFilter+":",")",]}else if(query.elems.length===0){throw["Expected type filter before ",":"]}else if(query.literalSearch){throw["Cannot use quotes on type filter"]}const typeFilterElem=query.elems.pop();checkExtraTypeFilterCharacters(start,parserState);parserState.typeFilter=typeFilterElem.name;parserState.pos+=1;parserState.totalElems-=1;query.literalSearch=false;foundStopChar=true;continue}else if(isWhitespace(c)){skipWhitespace(parserState);continue}if(!foundStopChar){let extra="";if(isLastElemGeneric(query.elems,parserState)){extra=[" after ",">"]}else if(prevIs(parserState,"\"")){throw["Cannot have more than one element if you use quotes"]}if(parserState.typeFilter!==null){throw["Expected ",","," or ","->",...extra,", found ",c,]}throw["Expected ",",",", ",":"," or ","->",...extra,", found ",c,]}const before=query.elems.length;start=parserState.pos;getNextElem(query,parserState,query.elems,false);if(query.elems.length===before){parserState.pos+=1}foundStopChar=false}if(parserState.typeFilter!==null){throw["Unexpected ",":"," (expected path after type filter ",parserState.typeFilter+":",")",]}while(parserState.pos"]}break}else{parserState.pos+=1}}}function newParsedQuery(userQuery){return{original:userQuery,userQuery:userQuery.toLowerCase(),elems:[],returned:[],foundElems:0,totalElems:0,literalSearch:false,error:null,correction:null,proposeCorrectionFrom:null,proposeCorrectionTo:null,}}function buildUrl(search,filterCrates){let extra="?search="+encodeURIComponent(search);if(filterCrates!==null){extra+="&filter-crate="+encodeURIComponent(filterCrates)}return getNakedUrl()+extra+window.location.hash}function getFilterCrates(){const elem=document.getElementById("crate-search");if(elem&&elem.value!=="all crates"&&hasOwnPropertyRustdoc(rawSearchIndex,elem.value)){return elem.value}return null}function parseQuery(userQuery){function convertTypeFilterOnElem(elem){if(elem.typeFilter!==null){let typeFilter=elem.typeFilter;if(typeFilter==="const"){typeFilter="constant"}elem.typeFilter=itemTypeFromName(typeFilter)}else{elem.typeFilter=NO_TYPE_FILTER}for(const elem2 of elem.generics){convertTypeFilterOnElem(elem2)}}userQuery=userQuery.trim();const parserState={length:userQuery.length,pos:0,totalElems:0,genericsElems:0,typeFilter:null,userQuery:userQuery.toLowerCase(),};let query=newParsedQuery(userQuery);try{parseInput(query,parserState);for(const elem of query.elems){convertTypeFilterOnElem(elem)}for(const elem of query.returned){convertTypeFilterOnElem(elem)}}catch(err){query=newParsedQuery(userQuery);query.error=err;return query}if(!query.literalSearch){query.literalSearch=parserState.totalElems>1}query.foundElems=query.elems.length+query.returned.length;query.totalElems=parserState.totalElems;return query}function createQueryResults(results_in_args,results_returned,results_others,parsedQuery){return{"in_args":results_in_args,"returned":results_returned,"others":results_others,"query":parsedQuery,}}function execQuery(parsedQuery,searchWords,filterCrates,currentCrate){const results_others=new Map(),results_in_args=new Map(),results_returned=new Map();function transformResults(results){const duplicates=new Set();const out=[];for(const result of results){if(result.id!==-1){const obj=searchIndex[result.id];obj.dist=result.dist;const res=buildHrefAndPath(obj);obj.displayPath=pathSplitter(res[0]);obj.fullPath=obj.displayPath+obj.name;obj.fullPath+="|"+obj.ty;if(duplicates.has(obj.fullPath)){continue}duplicates.add(obj.fullPath);obj.href=res[1];out.push(obj);if(out.length>=MAX_RESULTS){break}}}return out}function sortResults(results,isType,preferredCrate){if(results.size===0){return[]}const userQuery=parsedQuery.userQuery;const result_list=[];for(const result of results.values()){result.word=searchWords[result.id];result.item=searchIndex[result.id]||{};result_list.push(result)}result_list.sort((aaa,bbb)=>{let a,b;a=(aaa.word!==userQuery);b=(bbb.word!==userQuery);if(a!==b){return a-b}a=(aaa.index<0);b=(bbb.index<0);if(a!==b){return a-b}a=aaa.path_dist;b=bbb.path_dist;if(a!==b){return a-b}a=aaa.index;b=bbb.index;if(a!==b){return a-b}a=(aaa.dist);b=(bbb.dist);if(a!==b){return a-b}a=aaa.item.deprecated;b=bbb.item.deprecated;if(a!==b){return a-b}a=(aaa.item.crate!==preferredCrate);b=(bbb.item.crate!==preferredCrate);if(a!==b){return a-b}a=aaa.word.length;b=bbb.word.length;if(a!==b){return a-b}a=aaa.word;b=bbb.word;if(a!==b){return(a>b?+1:-1)}if((aaa.item.ty===TY_PRIMITIVE&&bbb.item.ty!==TY_KEYWORD)||(aaa.item.ty===TY_KEYWORD&&bbb.item.ty!==TY_PRIMITIVE)){return-1}if((bbb.item.ty===TY_PRIMITIVE&&aaa.item.ty!==TY_PRIMITIVE)||(bbb.item.ty===TY_KEYWORD&&aaa.item.ty!==TY_KEYWORD)){return 1}a=(aaa.item.desc==="");b=(bbb.item.desc==="");if(a!==b){return a-b}a=aaa.item.ty;b=bbb.item.ty;if(a!==b){return a-b}a=aaa.item.path;b=bbb.item.path;if(a!==b){return(a>b?+1:-1)}return 0});let nameSplit=null;if(parsedQuery.elems.length===1){const hasPath=typeof parsedQuery.elems[0].path==="undefined";nameSplit=hasPath?null:parsedQuery.elems[0].path}for(const result of result_list){if(result.dontValidate){continue}const name=result.item.name.toLowerCase(),path=result.item.path.toLowerCase(),parent=result.item.parent;if(!isType&&!validateResult(name,path,nameSplit,parent)){result.id=-1}}return transformResults(result_list)}function checkGenerics(fnType,queryElem,whereClause,mgensInout){return unifyFunctionTypes(fnType.generics,queryElem.generics,whereClause,mgensInout,mgens=>{if(mgensInout){for(const[fid,qid]of mgens.entries()){mgensInout.set(fid,qid)}}return true})}function unifyFunctionTypes(fnTypesIn,queryElems,whereClause,mgensIn,solutionCb){let mgens=new Map(mgensIn);if(queryElems.length===0){return!solutionCb||solutionCb(mgens)}if(!fnTypesIn||fnTypesIn.length===0){return false}const ql=queryElems.length;let fl=fnTypesIn.length;let fnTypes=fnTypesIn.slice();const backtracking=[];let i=0;let j=0;const backtrack=()=>{while(backtracking.length!==0){const{fnTypesScratch,mgensScratch,queryElemsOffset,fnTypesOffset,unbox,}=backtracking.pop();mgens=new Map(mgensScratch);const fnType=fnTypesScratch[fnTypesOffset];const queryElem=queryElems[queryElemsOffset];if(unbox){if(fnType.id<0){if(mgens.has(fnType.id)&&mgens.get(fnType.id)!==0){continue}mgens.set(fnType.id,0)}const generics=fnType.id<0?whereClause[(-fnType.id)-1]:fnType.generics;fnTypes=fnTypesScratch.toSpliced(fnTypesOffset,1,...generics);fl=fnTypes.length;i=queryElemsOffset-1}else{if(fnType.id<0){if(mgens.has(fnType.id)&&mgens.get(fnType.id)!==queryElem.id){continue}mgens.set(fnType.id,queryElem.id)}fnTypes=fnTypesScratch.slice();fl=fnTypes.length;const tmp=fnTypes[queryElemsOffset];fnTypes[queryElemsOffset]=fnTypes[fnTypesOffset];fnTypes[fnTypesOffset]=tmp;i=queryElemsOffset}return true}return false};for(i=0;i!==ql;++i){const queryElem=queryElems[i];const matchCandidates=[];let fnTypesScratch=null;let mgensScratch=null;for(j=i;j!==fl;++j){const fnType=fnTypes[j];if(unifyFunctionTypeIsMatchCandidate(fnType,queryElem,whereClause,mgens)){if(!fnTypesScratch){fnTypesScratch=fnTypes.slice()}unifyFunctionTypes(fnType.generics,queryElem.generics,whereClause,mgens,mgensScratch=>{matchCandidates.push({fnTypesScratch,mgensScratch,queryElemsOffset:i,fnTypesOffset:j,unbox:false,});return false})}if(unifyFunctionTypeIsUnboxCandidate(fnType,queryElem,whereClause,mgens)){if(!fnTypesScratch){fnTypesScratch=fnTypes.slice()}if(!mgensScratch){mgensScratch=new Map(mgens)}backtracking.push({fnTypesScratch,mgensScratch,queryElemsOffset:i,fnTypesOffset:j,unbox:true,})}}if(matchCandidates.length===0){if(backtrack()){continue}else{return false}}const{fnTypesOffset:candidate,mgensScratch:mgensNew}=matchCandidates.pop();if(fnTypes[candidate].id<0&&queryElems[i].id<0){mgens.set(fnTypes[candidate].id,queryElems[i].id)}for(const[fid,qid]of mgensNew){mgens.set(fid,qid)}const tmp=fnTypes[candidate];fnTypes[candidate]=fnTypes[i];fnTypes[i]=tmp;for(const otherCandidate of matchCandidates){backtracking.push(otherCandidate)}while(i===(ql-1)&&solutionCb&&!solutionCb(mgens)){if(!backtrack()){return false}}}return true}function unifyFunctionTypeIsMatchCandidate(fnType,queryElem,whereClause,mgens){if(!typePassesFilter(queryElem.typeFilter,fnType.ty)){return false}if(fnType.id<0&&queryElem.id<0){if(mgens.has(fnType.id)&&mgens.get(fnType.id)!==queryElem.id){return false}for(const[fid,qid]of mgens.entries()){if(fnType.id!==fid&&queryElem.id===qid){return false}if(fnType.id===fid&&queryElem.id!==qid){return false}}}else{if(queryElem.id===typeNameIdOfArrayOrSlice&&(fnType.id===typeNameIdOfSlice||fnType.id===typeNameIdOfArray)){}else if(fnType.id!==queryElem.id){return false}if(fnType.generics.length===0&&queryElem.generics.length!==0){return false}const queryElemPathLength=queryElem.pathWithoutLast.length;if(queryElemPathLength>0){const fnTypePath=fnType.path!==undefined&&fnType.path!==null?fnType.path.split("::"):[];if(queryElemPathLength>fnTypePath.length){return false}let i=0;for(const path of fnTypePath){if(path===queryElem.pathWithoutLast[i]){i+=1;if(i>=queryElemPathLength){break}}}if(i=0){if(!whereClause){return false}if(mgens.has(fnType.id)&&mgens.get(fnType.id)!==0){return false}return checkIfInList(whereClause[(-fnType.id)-1],queryElem,whereClause)}else if(fnType.generics&&fnType.generics.length>0){return checkIfInList(fnType.generics,queryElem,whereClause)}return false}function checkIfInList(list,elem,whereClause){for(const entry of list){if(checkType(entry,elem,whereClause)){return true}}return false}function checkType(row,elem,whereClause){if(row.id===null){return row.generics.length>0?checkIfInList(row.generics,elem,whereClause):false}if(row.id<0&&elem.id>=0){const gid=(-row.id)-1;return checkIfInList(whereClause[gid],elem,whereClause)}if(row.id<0&&elem.id<0){return true}const matchesExact=row.id===elem.id;const matchesArrayOrSlice=elem.id===typeNameIdOfArrayOrSlice&&(row.id===typeNameIdOfSlice||row.id===typeNameIdOfArray);if((matchesExact||matchesArrayOrSlice)&&typePassesFilter(elem.typeFilter,row.ty)){if(elem.generics.length>0){return checkGenerics(row,elem,whereClause,new Map())}return true}return checkIfInList(row.generics,elem,whereClause)}function checkPath(contains,ty,maxEditDistance){if(contains.length===0){return 0}let ret_dist=maxEditDistance+1;const path=ty.path.split("::");if(ty.parent&&ty.parent.name){path.push(ty.parent.name.toLowerCase())}const length=path.length;const clength=contains.length;if(clength>length){return maxEditDistance+1}for(let i=0;ilength){break}let dist_total=0;let aborted=false;for(let x=0;xmaxEditDistance){aborted=true;break}dist_total+=dist}if(!aborted){ret_dist=Math.min(ret_dist,Math.round(dist_total/clength))}}return ret_dist}function typePassesFilter(filter,type){if(filter<=NO_TYPE_FILTER||filter===type)return true;const name=itemTypes[type];switch(itemTypes[filter]){case"constant":return name==="associatedconstant";case"fn":return name==="method"||name==="tymethod";case"type":return name==="primitive"||name==="associatedtype";case"trait":return name==="traitalias"}return false}function createAliasFromItem(item){return{crate:item.crate,name:item.name,path:item.path,desc:item.desc,ty:item.ty,parent:item.parent,type:item.type,is_alias:true,deprecated:item.deprecated,}}function handleAliases(ret,query,filterCrates,currentCrate){const lowerQuery=query.toLowerCase();const aliases=[];const crateAliases=[];if(filterCrates!==null){if(ALIASES.has(filterCrates)&&ALIASES.get(filterCrates).has(lowerQuery)){const query_aliases=ALIASES.get(filterCrates).get(lowerQuery);for(const alias of query_aliases){aliases.push(createAliasFromItem(searchIndex[alias]))}}}else{for(const[crate,crateAliasesIndex]of ALIASES){if(crateAliasesIndex.has(lowerQuery)){const pushTo=crate===currentCrate?crateAliases:aliases;const query_aliases=crateAliasesIndex.get(lowerQuery);for(const alias of query_aliases){pushTo.push(createAliasFromItem(searchIndex[alias]))}}}}const sortFunc=(aaa,bbb)=>{if(aaa.path{alias.alias=query;const res=buildHrefAndPath(alias);alias.displayPath=pathSplitter(res[0]);alias.fullPath=alias.displayPath+alias.name;alias.href=res[1];ret.others.unshift(alias);if(ret.others.length>MAX_RESULTS){ret.others.pop()}};aliases.forEach(pushFunc);crateAliases.forEach(pushFunc)}function addIntoResults(results,fullId,id,index,dist,path_dist,maxEditDistance){const inBounds=dist<=maxEditDistance||index!==-1;if(dist===0||(!parsedQuery.literalSearch&&inBounds)){if(results.has(fullId)){const result=results.get(fullId);if(result.dontValidate||result.dist<=dist){return}}results.set(fullId,{id:id,index:index,dontValidate:parsedQuery.literalSearch,dist:dist,path_dist:path_dist,})}}function handleSingleArg(row,pos,elem,results_others,results_in_args,results_returned,maxEditDistance){if(!row||(filterCrates!==null&&row.crate!==filterCrates)){return}let index=-1,path_dist=0;const fullId=row.id;const searchWord=searchWords[pos];const in_args=row.type&&row.type.inputs&&checkIfInList(row.type.inputs,elem,row.type.where_clause);if(in_args){addIntoResults(results_in_args,fullId,pos,-1,0,0,maxEditDistance)}const returned=row.type&&row.type.output&&checkIfInList(row.type.output,elem,row.type.where_clause);if(returned){addIntoResults(results_returned,fullId,pos,-1,0,0,maxEditDistance)}if(!typePassesFilter(elem.typeFilter,row.ty)){return}const row_index=row.normalizedName.indexOf(elem.pathLast);const word_index=searchWord.indexOf(elem.pathLast);if(row_index===-1){index=word_index}else if(word_index===-1){index=row_index}else if(word_index1){path_dist=checkPath(elem.pathWithoutLast,row,maxEditDistance);if(path_dist>maxEditDistance){return}}if(parsedQuery.literalSearch){if(searchWord===elem.name){addIntoResults(results_others,fullId,pos,index,0,path_dist)}return}const dist=editDistance(searchWord,elem.pathLast,maxEditDistance);if(index===-1&&dist+path_dist>maxEditDistance){return}addIntoResults(results_others,fullId,pos,index,dist,path_dist,maxEditDistance)}function handleArgs(row,pos,results){if(!row||(filterCrates!==null&&row.crate!==filterCrates)||!row.type){return}if(!unifyFunctionTypes(row.type.inputs,parsedQuery.elems,row.type.where_clause,null,mgens=>{return unifyFunctionTypes(row.type.output,parsedQuery.returned,row.type.where_clause,mgens)})){return}addIntoResults(results,row.id,pos,0,0,0,Number.MAX_VALUE)}function innerRunQuery(){let elem,i,nSearchWords,in_returned,row;let queryLen=0;for(const elem of parsedQuery.elems){queryLen+=elem.name.length}for(const elem of parsedQuery.returned){queryLen+=elem.name.length}const maxEditDistance=Math.floor(queryLen/3);const genericSymbols=new Map();function convertNameToId(elem){if(typeNameIdMap.has(elem.pathLast)){elem.id=typeNameIdMap.get(elem.pathLast)}else if(!parsedQuery.literalSearch){let match=null;let matchDist=maxEditDistance+1;let matchName="";for(const[name,id]of typeNameIdMap){const dist=editDistance(name,elem.pathLast,maxEditDistance);if(dist<=matchDist&&dist<=maxEditDistance){if(dist===matchDist&&matchName>name){continue}match=id;matchDist=dist;matchName=name}}if(match!==null){parsedQuery.correction=matchName}elem.id=match}if((elem.id===null&&parsedQuery.totalElems>1&&elem.typeFilter===-1&&elem.generics.length===0)||elem.typeFilter===TY_GENERIC){if(genericSymbols.has(elem.name)){elem.id=genericSymbols.get(elem.name)}else{elem.id=-(genericSymbols.size+1);genericSymbols.set(elem.name,elem.id)}if(elem.typeFilter===-1&&elem.name.length>=3){const maxPartDistance=Math.floor(elem.name.length/3);let matchDist=maxPartDistance+1;let matchName="";for(const name of typeNameIdMap.keys()){const dist=editDistance(name,elem.name,maxPartDistance);if(dist<=matchDist&&dist<=maxPartDistance){if(dist===matchDist&&matchName>name){continue}matchDist=dist;matchName=name}}if(matchName!==""){parsedQuery.proposeCorrectionFrom=elem.name;parsedQuery.proposeCorrectionTo=matchName}}elem.typeFilter=TY_GENERIC}if(elem.generics.length>0&&elem.typeFilter===TY_GENERIC){parsedQuery.error=["Generic type parameter ",elem.name," does not accept generic parameters",]}for(const elem2 of elem.generics){convertNameToId(elem2)}}for(const elem of parsedQuery.elems){convertNameToId(elem)}for(const elem of parsedQuery.returned){convertNameToId(elem)}if(parsedQuery.foundElems===1){if(parsedQuery.elems.length===1){elem=parsedQuery.elems[0];for(i=0,nSearchWords=searchWords.length;i0){for(i=0,nSearchWords=searchWords.length;i-1||path.indexOf(key)>-1||(parent!==undefined&&parent.name!==undefined&&parent.name.toLowerCase().indexOf(key)>-1)||editDistance(name,key,maxEditDistance)<=maxEditDistance)){return false}}return true}function nextTab(direction){const next=(searchState.currentTab+direction+3)%searchState.focusedByTab.length;searchState.focusedByTab[searchState.currentTab]=document.activeElement;printTab(next);focusSearchResult()}function focusSearchResult(){const target=searchState.focusedByTab[searchState.currentTab]||document.querySelectorAll(".search-results.active a").item(0)||document.querySelectorAll("#search-tabs button").item(searchState.currentTab);searchState.focusedByTab[searchState.currentTab]=null;if(target){target.focus()}}function buildHrefAndPath(item){let displayPath;let href;const type=itemTypes[item.ty];const name=item.name;let path=item.path;if(type==="mod"){displayPath=path+"::";href=ROOT_PATH+path.replace(/::/g,"/")+"/"+name+"/index.html"}else if(type==="import"){displayPath=item.path+"::";href=ROOT_PATH+item.path.replace(/::/g,"/")+"/index.html#reexport."+name}else if(type==="primitive"||type==="keyword"){displayPath="";href=ROOT_PATH+path.replace(/::/g,"/")+"/"+type+"."+name+".html"}else if(type==="externcrate"){displayPath="";href=ROOT_PATH+name+"/index.html"}else if(item.parent!==undefined){const myparent=item.parent;let anchor="#"+type+"."+name;const parentType=itemTypes[myparent.ty];let pageType=parentType;let pageName=myparent.name;if(parentType==="primitive"){displayPath=myparent.name+"::"}else if(type==="structfield"&&parentType==="variant"){const enumNameIdx=item.path.lastIndexOf("::");const enumName=item.path.substr(enumNameIdx+2);path=item.path.substr(0,enumNameIdx);displayPath=path+"::"+enumName+"::"+myparent.name+"::";anchor="#variant."+myparent.name+".field."+name;pageType="enum";pageName=enumName}else{displayPath=path+"::"+myparent.name+"::"}href=ROOT_PATH+path.replace(/::/g,"/")+"/"+pageType+"."+pageName+".html"+anchor}else{displayPath=item.path+"::";href=ROOT_PATH+item.path.replace(/::/g,"/")+"/"+type+"."+name+".html"}return[displayPath,href]}function pathSplitter(path){const tmp=""+path.replace(/::/g,"::");if(tmp.endsWith("")){return tmp.slice(0,tmp.length-6)}return tmp}function addTab(array,query,display){let extraClass="";if(display===true){extraClass=" active"}const output=document.createElement("div");let length=0;if(array.length>0){output.className="search-results "+extraClass;array.forEach(item=>{const name=item.name;const type=itemTypes[item.ty];const longType=longItemTypes[item.ty];const typeName=longType.length!==0?`${longType}`:"?";length+=1;const link=document.createElement("a");link.className="result-"+type;link.href=item.href;const resultName=document.createElement("div");resultName.className="result-name";resultName.insertAdjacentHTML("beforeend",`${typeName}`);link.appendChild(resultName);let alias=" ";if(item.is_alias){alias=` 
\
-${item.alias} - see \
-
`}resultName.insertAdjacentHTML("beforeend",`
${alias}\
-${item.displayPath}${name}\
-
`);const description=document.createElement("div");description.className="desc";description.insertAdjacentHTML("beforeend",item.desc);link.appendChild(description);output.appendChild(link)})}else if(query.error===null){output.className="search-failed"+extraClass;output.innerHTML="No results :(
"+"Try on DuckDuckGo?

"+"Or try looking in one of these:"}return[output,length]}function makeTabHeader(tabNb,text,nbElems){const fmtNbElems=nbElems<10?`\u{2007}(${nbElems})\u{2007}\u{2007}`:nbElems<100?`\u{2007}(${nbElems})\u{2007}`:`\u{2007}(${nbElems})`;if(searchState.currentTab===tabNb){return""}return""}function showResults(results,go_to_first,filterCrates){const search=searchState.outputElement();if(go_to_first||(results.others.length===1&&getSettingValue("go-to-only-result")==="true")){window.onunload=()=>{};searchState.removeQueryParameters();const elem=document.createElement("a");elem.href=results.others[0].href;removeClass(elem,"active");document.body.appendChild(elem);elem.click();return}if(results.query===undefined){results.query=parseQuery(searchState.input.value)}currentResults=results.query.userQuery;const ret_others=addTab(results.others,results.query,true);const ret_in_args=addTab(results.in_args,results.query,false);const ret_returned=addTab(results.returned,results.query,false);let currentTab=searchState.currentTab;if((currentTab===0&&ret_others[1]===0)||(currentTab===1&&ret_in_args[1]===0)||(currentTab===2&&ret_returned[1]===0)){if(ret_others[1]!==0){currentTab=0}else if(ret_in_args[1]!==0){currentTab=1}else if(ret_returned[1]!==0){currentTab=2}}let crates="";const crates_list=Object.keys(rawSearchIndex);if(crates_list.length>1){crates=" in 
"}let output=`
Results${crates}
`;if(results.query.error!==null){const error=results.query.error;error.forEach((value,index)=>{value=value.split("<").join("<").split(">").join(">");if(index%2!==0){error[index]=`${value.replaceAll(" ", " ")}`}else{error[index]=value}});output+=`
Query parser error: "${error.join("")}".
`;output+="
"+makeTabHeader(0,"In Names",ret_others[1])+"
";currentTab=0}else if(results.query.foundElems<=1&&results.query.returned.length===0){output+="
"+makeTabHeader(0,"In Names",ret_others[1])+makeTabHeader(1,"In Parameters",ret_in_args[1])+makeTabHeader(2,"In Return Types",ret_returned[1])+"
"}else{const signatureTabTitle=results.query.elems.length===0?"In Function Return Types":results.query.returned.length===0?"In Function Parameters":"In Function Signatures";output+="
"+makeTabHeader(0,signatureTabTitle,ret_others[1])+"
";currentTab=0}if(results.query.correction!==null){const orig=results.query.returned.length>0?results.query.returned[0].name:results.query.elems[0].name;output+="
"+`Type "${orig}" not found. `+"Showing results for closest type name "+`"${results.query.correction}" instead.
`}if(results.query.proposeCorrectionFrom!==null){const orig=results.query.proposeCorrectionFrom;const targ=results.query.proposeCorrectionTo;output+="
"+`Type "${orig}" not found and used as generic parameter. `+`Consider searching for "${targ}" instead.
`}const resultsElem=document.createElement("div");resultsElem.id="results";resultsElem.appendChild(ret_others[0]);resultsElem.appendChild(ret_in_args[0]);resultsElem.appendChild(ret_returned[0]);search.innerHTML=output;const crateSearch=document.getElementById("crate-search");if(crateSearch){crateSearch.addEventListener("input",updateCrate)}search.appendChild(resultsElem);searchState.showResults(search);const elems=document.getElementById("search-tabs").childNodes;searchState.focusedByTab=[];let i=0;for(const elem of elems){const j=i;elem.onclick=()=>printTab(j);searchState.focusedByTab.push(null);i+=1}printTab(currentTab)}function updateSearchHistory(url){if(!browserSupportsHistoryApi()){return}const params=searchState.getQueryStringParams();if(!history.state&&!params.search){history.pushState(null,"",url)}else{history.replaceState(null,"",url)}}function search(e,forced){if(e){e.preventDefault()}const query=parseQuery(searchState.input.value.trim());let filterCrates=getFilterCrates();if(!forced&&query.userQuery===currentResults){if(query.userQuery.length>0){putBackSearch()}return}searchState.setLoadingSearch();const params=searchState.getQueryStringParams();if(filterCrates===null&¶ms["filter-crate"]!==undefined){filterCrates=params["filter-crate"]}searchState.title="Results for "+query.original+" - Rust";updateSearchHistory(buildUrl(query.original,filterCrates));showResults(execQuery(query,searchWords,filterCrates,window.currentCrate),params.go_to_first,filterCrates)}function buildItemSearchTypeAll(types,lowercasePaths){return types.map(type=>buildItemSearchType(type,lowercasePaths))}function buildItemSearchType(type,lowercasePaths){const PATH_INDEX_DATA=0;const GENERICS_DATA=1;let pathIndex,generics;if(typeof type==="number"){pathIndex=type;generics=[]}else{pathIndex=type[PATH_INDEX_DATA];generics=buildItemSearchTypeAll(type[GENERICS_DATA],lowercasePaths)}if(pathIndex<0){return{id:pathIndex,ty:TY_GENERIC,path:null,generics,}}if(pathIndex===0){return{id:null,ty:null,path:null,generics,}}const item=lowercasePaths[pathIndex-1];return{id:buildTypeMapIndex(item.name),ty:item.ty,path:item.path,generics,}}function buildFunctionSearchType(functionSearchType,lowercasePaths){const INPUTS_DATA=0;const OUTPUT_DATA=1;if(functionSearchType===0){return null}let inputs,output;if(typeof functionSearchType[INPUTS_DATA]==="number"){inputs=[buildItemSearchType(functionSearchType[INPUTS_DATA],lowercasePaths)]}else{inputs=buildItemSearchTypeAll(functionSearchType[INPUTS_DATA],lowercasePaths)}if(functionSearchType.length>1){if(typeof functionSearchType[OUTPUT_DATA]==="number"){output=[buildItemSearchType(functionSearchType[OUTPUT_DATA],lowercasePaths)]}else{output=buildItemSearchTypeAll(functionSearchType[OUTPUT_DATA],lowercasePaths)}}else{output=[]}const where_clause=[];const l=functionSearchType.length;for(let i=2;i2){path=itemPaths.has(elem[2])?itemPaths.get(elem[2]):lastPath;lastPath=path}lowercasePaths.push({ty:ty,name:name.toLowerCase(),path:path});paths[i]={ty:ty,name:name,path:path}}lastPath="";len=itemTypes.length;for(let i=0;i0?paths[itemParentIdxs[i]-1]:undefined,type:buildFunctionSearchType(itemFunctionSearchTypes[i],lowercasePaths),id:id,normalizedName:word.indexOf("_")===-1?word:word.replace(/_/g,""),deprecated:deprecatedItems.has(i),};id+=1;searchIndex.push(row);lastPath=row.path;crateSize+=1}if(aliases){const currentCrateAliases=new Map();ALIASES.set(crate,currentCrateAliases);for(const alias_name in aliases){if(!hasOwnPropertyRustdoc(aliases,alias_name)){continue}let currentNameAliases;if(currentCrateAliases.has(alias_name)){currentNameAliases=currentCrateAliases.get(alias_name)}else{currentNameAliases=[];currentCrateAliases.set(alias_name,currentNameAliases)}for(const local_alias of aliases[alias_name]){currentNameAliases.push(local_alias+currentIndex)}}}currentIndex+=crateSize}return searchWords}function onSearchSubmit(e){e.preventDefault();searchState.clearInputTimeout();search()}function putBackSearch(){const search_input=searchState.input;if(!searchState.input){return}if(search_input.value!==""&&!searchState.isDisplayed()){searchState.showResults();if(browserSupportsHistoryApi()){history.replaceState(null,"",buildUrl(search_input.value,getFilterCrates()))}document.title=searchState.title}}function registerSearchEvents(){const params=searchState.getQueryStringParams();if(searchState.input.value===""){searchState.input.value=params.search||""}const searchAfter500ms=()=>{searchState.clearInputTimeout();if(searchState.input.value.length===0){searchState.hideResults()}else{searchState.timeout=setTimeout(search,500)}};searchState.input.onkeyup=searchAfter500ms;searchState.input.oninput=searchAfter500ms;document.getElementsByClassName("search-form")[0].onsubmit=onSearchSubmit;searchState.input.onchange=e=>{if(e.target!==document.activeElement){return}searchState.clearInputTimeout();setTimeout(search,0)};searchState.input.onpaste=searchState.input.onchange;searchState.outputElement().addEventListener("keydown",e=>{if(e.altKey||e.ctrlKey||e.shiftKey||e.metaKey){return}if(e.which===38){const previous=document.activeElement.previousElementSibling;if(previous){previous.focus()}else{searchState.focus()}e.preventDefault()}else if(e.which===40){const next=document.activeElement.nextElementSibling;if(next){next.focus()}const rect=document.activeElement.getBoundingClientRect();if(window.innerHeight-rect.bottom{if(e.which===40){focusSearchResult();e.preventDefault()}});searchState.input.addEventListener("focus",()=>{putBackSearch()});searchState.input.addEventListener("blur",()=>{searchState.input.placeholder=searchState.input.origPlaceholder});if(browserSupportsHistoryApi()){const previousTitle=document.title;window.addEventListener("popstate",e=>{const params=searchState.getQueryStringParams();document.title=previousTitle;currentResults=null;if(params.search&¶ms.search.length>0){searchState.input.value=params.search;search(e)}else{searchState.input.value="";searchState.hideResults()}})}window.onpageshow=()=>{const qSearch=searchState.getQueryStringParams().search;if(searchState.input.value===""&&qSearch){searchState.input.value=qSearch}search()}}function updateCrate(ev){if(ev.target.value==="all crates"){const query=searchState.input.value.trim();updateSearchHistory(buildUrl(query,null))}currentResults=null;search(undefined,true)}const searchWords=buildIndex(rawSearchIndex);if(typeof window!=="undefined"){registerSearchEvents();if(window.searchState.getQueryStringParams().search){search()}}if(typeof exports!=="undefined"){exports.initSearch=initSearch;exports.execQuery=execQuery;exports.parseQuery=parseQuery}return searchWords}if(typeof window!=="undefined"){window.initSearch=initSearch;if(window.searchIndex!==undefined){initSearch(window.searchIndex)}}else{initSearch({})}})()
\ No newline at end of file
diff --git a/ch2/static.files/search-dd67cee4cfa65049.js b/ch2/static.files/search-dd67cee4cfa65049.js
new file mode 100644
index 00000000..ef8bf865
--- /dev/null
+++ b/ch2/static.files/search-dd67cee4cfa65049.js
@@ -0,0 +1,5 @@
+"use strict";if(!Array.prototype.toSpliced){Array.prototype.toSpliced=function(){const me=this.slice();Array.prototype.splice.apply(me,arguments);return me}}(function(){const itemTypes=["keyword","primitive","mod","externcrate","import","struct","enum","fn","type","static","trait","impl","tymethod","method","structfield","variant","macro","associatedtype","constant","associatedconstant","union","foreigntype","existential","attr","derive","traitalias","generic",];const longItemTypes=["keyword","primitive type","module","extern crate","re-export","struct","enum","function","type alias","static","trait","","trait method","method","struct field","enum variant","macro","assoc type","constant","assoc const","union","foreign type","existential type","attribute macro","derive macro","trait alias",];const TY_GENERIC=itemTypes.indexOf("generic");const ROOT_PATH=typeof window!=="undefined"?window.rootPath:"../";function printTab(nb){let iter=0;let foundCurrentTab=false;let foundCurrentResultSet=false;onEachLazy(document.getElementById("search-tabs").childNodes,elem=>{if(nb===iter){addClass(elem,"selected");foundCurrentTab=true}else{removeClass(elem,"selected")}iter+=1});const isTypeSearch=(nb>0||iter===1);iter=0;onEachLazy(document.getElementById("results").childNodes,elem=>{if(nb===iter){addClass(elem,"active");foundCurrentResultSet=true}else{removeClass(elem,"active")}iter+=1});if(foundCurrentTab&&foundCurrentResultSet){searchState.currentTab=nb;const correctionsElem=document.getElementsByClassName("search-corrections");if(isTypeSearch){removeClass(correctionsElem[0],"hidden")}else{addClass(correctionsElem[0],"hidden")}}else if(nb!==0){printTab(0)}}const editDistanceState={current:[],prev:[],prevPrev:[],calculate:function calculate(a,b,limit){if(a.lengthlimit){return limit+1}while(b.length>0&&b[0]===a[0]){a=a.substring(1);b=b.substring(1)}while(b.length>0&&b[b.length-1]===a[a.length-1]){a=a.substring(0,a.length-1);b=b.substring(0,b.length-1)}if(b.length===0){return minDist}const aLength=a.length;const bLength=b.length;for(let i=0;i<=bLength;++i){this.current[i]=0;this.prev[i]=i;this.prevPrev[i]=Number.MAX_VALUE}for(let i=1;i<=aLength;++i){this.current[0]=i;const aIdx=i-1;for(let j=1;j<=bLength;++j){const bIdx=j-1;const substitutionCost=a[aIdx]===b[bIdx]?0:1;this.current[j]=Math.min(this.prev[j]+1,this.current[j-1]+1,this.prev[j-1]+substitutionCost);if((i>1)&&(j>1)&&(a[aIdx]===b[bIdx-1])&&(a[aIdx-1]===b[bIdx])){this.current[j]=Math.min(this.current[j],this.prevPrev[j-2]+1)}}const prevPrevTmp=this.prevPrev;this.prevPrev=this.prev;this.prev=this.current;this.current=prevPrevTmp}const distance=this.prev[bLength];return distance<=limit?distance:(limit+1)},};function editDistance(a,b,limit){return editDistanceState.calculate(a,b,limit)}function initSearch(rawSearchIndex){const MAX_RESULTS=200;const NO_TYPE_FILTER=-1;let searchIndex;let functionTypeFingerprint;let currentResults;let typeNameIdMap;const ALIASES=new Map();let typeNameIdOfArray;let typeNameIdOfSlice;let typeNameIdOfArrayOrSlice;let typeNameIdOfTuple;let typeNameIdOfUnit;let typeNameIdOfTupleOrUnit;function buildTypeMapIndex(name,isAssocType){if(name===""||name===null){return null}if(typeNameIdMap.has(name)){const obj=typeNameIdMap.get(name);obj.assocOnly=isAssocType&&obj.assocOnly;return obj.id}else{const id=typeNameIdMap.size;typeNameIdMap.set(name,{id,assocOnly:isAssocType});return id}}function isSpecialStartCharacter(c){return"<\"".indexOf(c)!==-1}function isEndCharacter(c){return"=,>-])".indexOf(c)!==-1}function itemTypeFromName(typename){const index=itemTypes.findIndex(i=>i===typename);if(index<0){throw["Unknown type filter ",typename]}return index}function getStringElem(query,parserState,isInGenerics){if(isInGenerics){throw["Unexpected ","\""," in generics"]}else if(query.literalSearch){throw["Cannot have more than one literal search element"]}else if(parserState.totalElems-parserState.genericsElems>0){throw["Cannot use literal search when there is more than one element"]}parserState.pos+=1;const start=parserState.pos;const end=getIdentEndPosition(parserState);if(parserState.pos>=parserState.length){throw["Unclosed ","\""]}else if(parserState.userQuery[end]!=="\""){throw["Unexpected ",parserState.userQuery[end]," in a string element"]}else if(start===end){throw["Cannot have empty string element"]}parserState.pos+=1;query.literalSearch=true}function isPathStart(parserState){return parserState.userQuery.slice(parserState.pos,parserState.pos+2)==="::"}function isReturnArrow(parserState){return parserState.userQuery.slice(parserState.pos,parserState.pos+2)==="->"}function isIdentCharacter(c){return(c==="_"||(c>="0"&&c<="9")||(c>="a"&&c<="z")||(c>="A"&&c<="Z"))}function isSeparatorCharacter(c){return c===","||c==="="}function isPathSeparator(c){return c===":"||c===" "}function prevIs(parserState,lookingFor){let pos=parserState.pos;while(pos>0){const c=parserState.userQuery[pos-1];if(c===lookingFor){return true}else if(c!==" "){break}pos-=1}return false}function isLastElemGeneric(elems,parserState){return(elems.length>0&&elems[elems.length-1].generics.length>0)||prevIs(parserState,">")}function skipWhitespace(parserState){while(parserState.pos0){throw["Cannot have more than one element if you use quotes"]}const typeFilter=parserState.typeFilter;parserState.typeFilter=null;if(name==="!"){if(typeFilter!==null&&typeFilter!=="primitive"){throw["Invalid search type: primitive never type ","!"," and ",typeFilter," both specified",]}if(generics.length!==0){throw["Never type ","!"," does not accept generic parameters",]}const bindingName=parserState.isInBinding;parserState.isInBinding=null;return{name:"never",id:null,fullPath:["never"],pathWithoutLast:[],pathLast:"never",normalizedPathLast:"never",generics:[],bindings:new Map(),typeFilter:"primitive",bindingName,}}const quadcolon=/::\s*::/.exec(path);if(path.startsWith("::")){throw["Paths cannot start with ","::"]}else if(path.endsWith("::")){throw["Paths cannot end with ","::"]}else if(quadcolon!==null){throw["Unexpected ",quadcolon[0]]}const pathSegments=path.split(/(?:::\s*)|(?:\s+(?:::\s*)?)/);if(pathSegments.length===0||(pathSegments.length===1&&pathSegments[0]==="")){if(generics.length>0||prevIs(parserState,">")){throw["Found generics without a path"]}else{throw["Unexpected ",parserState.userQuery[parserState.pos]]}}for(const[i,pathSegment]of pathSegments.entries()){if(pathSegment==="!"){if(i!==0){throw["Never type ","!"," is not associated item"]}pathSegments[i]="never"}}parserState.totalElems+=1;if(isInGenerics){parserState.genericsElems+=1}const bindingName=parserState.isInBinding;parserState.isInBinding=null;const bindings=new Map();const pathLast=pathSegments[pathSegments.length-1];return{name:name.trim(),id:null,fullPath:pathSegments,pathWithoutLast:pathSegments.slice(0,pathSegments.length-1),pathLast,normalizedPathLast:pathLast.replace(/_/g,""),generics:generics.filter(gen=>{if(gen.bindingName!==null){bindings.set(gen.bindingName.name,[gen,...gen.bindingName.generics]);return false}return true}),bindings,typeFilter,bindingName,}}function getIdentEndPosition(parserState){const start=parserState.pos;let end=parserState.pos;let foundExclamation=-1;while(parserState.pos0){throw["Unexpected ",c," after ",parserState.userQuery[parserState.pos-1]]}else{throw["Unexpected ",c]}}parserState.pos+=1;end=parserState.pos}if(foundExclamation!==-1&&foundExclamation!==start&&isIdentCharacter(parserState.userQuery[foundExclamation-1])){if(parserState.typeFilter===null){parserState.typeFilter="macro"}else if(parserState.typeFilter!=="macro"){throw["Invalid search type: macro ","!"," and ",parserState.typeFilter," both specified",]}end=foundExclamation}return end}function getNextElem(query,parserState,elems,isInGenerics){const generics=[];skipWhitespace(parserState);let start=parserState.pos;let end;if("[(".indexOf(parserState.userQuery[parserState.pos])!==-1){let endChar=")";let name="()";let friendlyName="tuple";if(parserState.userQuery[parserState.pos]==="["){endChar="]";name="[]";friendlyName="slice"}parserState.pos+=1;const{foundSeparator}=getItemsBefore(query,parserState,generics,endChar);const typeFilter=parserState.typeFilter;const isInBinding=parserState.isInBinding;if(typeFilter!==null&&typeFilter!=="primitive"){throw["Invalid search type: primitive ",name," and ",typeFilter," both specified",]}parserState.typeFilter=null;parserState.isInBinding=null;for(const gen of generics){if(gen.bindingName!==null){throw["Type parameter ","=",` cannot be within ${friendlyName} `,name]}}if(name==="()"&&!foundSeparator&&generics.length===1&&typeFilter===null){elems.push(generics[0])}else{parserState.totalElems+=1;if(isInGenerics){parserState.genericsElems+=1}elems.push({name:name,id:null,fullPath:[name],pathWithoutLast:[],pathLast:name,normalizedPathLast:name,generics,bindings:new Map(),typeFilter:"primitive",bindingName:isInBinding,})}}else{const isStringElem=parserState.userQuery[start]==="\"";if(isStringElem){start+=1;getStringElem(query,parserState,isInGenerics);end=parserState.pos-1}else{end=getIdentEndPosition(parserState)}if(parserState.pos=end){throw["Found generics without a path"]}parserState.pos+=1;getItemsBefore(query,parserState,generics,">")}if(isStringElem){skipWhitespace(parserState)}if(start>=end&&generics.length===0){return}if(parserState.userQuery[parserState.pos]==="="){if(parserState.isInBinding){throw["Cannot write ","="," twice in a binding"]}if(!isInGenerics){throw["Type parameter ","="," must be within generics list"]}const name=parserState.userQuery.slice(start,end).trim();if(name==="!"){throw["Type parameter ","="," key cannot be ","!"," never type"]}if(name.includes("!")){throw["Type parameter ","="," key cannot be ","!"," macro"]}if(name.includes("::")){throw["Type parameter ","="," key cannot contain ","::"," path"]}if(name.includes(":")){throw["Type parameter ","="," key cannot contain ",":"," type"]}parserState.isInBinding={name,generics}}else{elems.push(createQueryElement(query,parserState,parserState.userQuery.slice(start,end),generics,isInGenerics))}}}function getItemsBefore(query,parserState,elems,endChar){let foundStopChar=true;let foundSeparator=false;let start=parserState.pos;const oldTypeFilter=parserState.typeFilter;parserState.typeFilter=null;const oldIsInBinding=parserState.isInBinding;parserState.isInBinding=null;let extra="";if(endChar===">"){extra="<"}else if(endChar==="]"){extra="["}else if(endChar===")"){extra="("}else if(endChar===""){extra="->"}else{extra=endChar}while(parserState.pos"]}else if(prevIs(parserState,"\"")){throw["Cannot have more than one element if you use quotes"]}if(endChar!==""){throw["Expected ",",",", ","=",", or ",endChar,...extra,", found ",c,]}throw["Expected ",","," or ","=",...extra,", found ",c,]}const posBefore=parserState.pos;start=parserState.pos;getNextElem(query,parserState,elems,endChar!=="");if(endChar!==""&&parserState.pos>=parserState.length){throw["Unclosed ",extra]}if(posBefore===parserState.pos){parserState.pos+=1}foundStopChar=false}if(parserState.pos>=parserState.length&&endChar!==""){throw["Unclosed ",extra]}parserState.pos+=1;parserState.typeFilter=oldTypeFilter;parserState.isInBinding=oldIsInBinding;return{foundSeparator}}function checkExtraTypeFilterCharacters(start,parserState){const query=parserState.userQuery.slice(start,parserState.pos).trim();for(const c in query){if(!isIdentCharacter(query[c])){throw["Unexpected ",query[c]," in type filter (before ",":",")",]}}}function parseInput(query,parserState){let foundStopChar=true;let start=parserState.pos;while(parserState.pos"){if(isReturnArrow(parserState)){break}throw["Unexpected ",c," (did you mean ","->","?)"]}else if(parserState.pos>0){throw["Unexpected ",c," after ",parserState.userQuery[parserState.pos-1]]}throw["Unexpected ",c]}else if(c===":"&&!isPathStart(parserState)){if(parserState.typeFilter!==null){throw["Unexpected ",":"," (expected path after type filter ",parserState.typeFilter+":",")",]}else if(query.elems.length===0){throw["Expected type filter before ",":"]}else if(query.literalSearch){throw["Cannot use quotes on type filter"]}const typeFilterElem=query.elems.pop();checkExtraTypeFilterCharacters(start,parserState);parserState.typeFilter=typeFilterElem.name;parserState.pos+=1;parserState.totalElems-=1;query.literalSearch=false;foundStopChar=true;continue}else if(c===" "){skipWhitespace(parserState);continue}if(!foundStopChar){let extra="";if(isLastElemGeneric(query.elems,parserState)){extra=[" after ",">"]}else if(prevIs(parserState,"\"")){throw["Cannot have more than one element if you use quotes"]}if(parserState.typeFilter!==null){throw["Expected ",","," or ","->",...extra,", found ",c,]}throw["Expected ",",",", ",":"," or ","->",...extra,", found ",c,]}const before=query.elems.length;start=parserState.pos;getNextElem(query,parserState,query.elems,false);if(query.elems.length===before){parserState.pos+=1}foundStopChar=false}if(parserState.typeFilter!==null){throw["Unexpected ",":"," (expected path after type filter ",parserState.typeFilter+":",")",]}while(parserState.pos"]}break}else{parserState.pos+=1}}}function newParsedQuery(userQuery){return{original:userQuery,userQuery:userQuery.toLowerCase(),elems:[],returned:[],foundElems:0,totalElems:0,literalSearch:false,error:null,correction:null,proposeCorrectionFrom:null,proposeCorrectionTo:null,typeFingerprint:new Uint32Array(4),}}function buildUrl(search,filterCrates){let extra="?search="+encodeURIComponent(search);if(filterCrates!==null){extra+="&filter-crate="+encodeURIComponent(filterCrates)}return getNakedUrl()+extra+window.location.hash}function getFilterCrates(){const elem=document.getElementById("crate-search");if(elem&&elem.value!=="all crates"&&rawSearchIndex.has(elem.value)){return elem.value}return null}function parseQuery(userQuery){function convertTypeFilterOnElem(elem){if(elem.typeFilter!==null){let typeFilter=elem.typeFilter;if(typeFilter==="const"){typeFilter="constant"}elem.typeFilter=itemTypeFromName(typeFilter)}else{elem.typeFilter=NO_TYPE_FILTER}for(const elem2 of elem.generics){convertTypeFilterOnElem(elem2)}for(const constraints of elem.bindings.values()){for(const constraint of constraints){convertTypeFilterOnElem(constraint)}}}userQuery=userQuery.trim().replace(/\r|\n|\t/g," ");const parserState={length:userQuery.length,pos:0,totalElems:0,genericsElems:0,typeFilter:null,isInBinding:null,userQuery:userQuery.toLowerCase(),};let query=newParsedQuery(userQuery);try{parseInput(query,parserState);for(const elem of query.elems){convertTypeFilterOnElem(elem)}for(const elem of query.returned){convertTypeFilterOnElem(elem)}}catch(err){query=newParsedQuery(userQuery);query.error=err;return query}if(!query.literalSearch){query.literalSearch=parserState.totalElems>1}query.foundElems=query.elems.length+query.returned.length;query.totalElems=parserState.totalElems;return query}function createQueryResults(results_in_args,results_returned,results_others,parsedQuery){return{"in_args":results_in_args,"returned":results_returned,"others":results_others,"query":parsedQuery,}}function execQuery(parsedQuery,filterCrates,currentCrate){const results_others=new Map(),results_in_args=new Map(),results_returned=new Map();function transformResults(results){const duplicates=new Set();const out=[];for(const result of results){if(result.id!==-1){const obj=searchIndex[result.id];obj.dist=result.dist;const res=buildHrefAndPath(obj);obj.displayPath=pathSplitter(res[0]);obj.fullPath=obj.displayPath+obj.name;obj.fullPath+="|"+obj.ty;if(duplicates.has(obj.fullPath)){continue}duplicates.add(obj.fullPath);obj.href=res[1];out.push(obj);if(out.length>=MAX_RESULTS){break}}}return out}function sortResults(results,isType,preferredCrate){if(results.size===0){return[]}const userQuery=parsedQuery.userQuery;const result_list=[];for(const result of results.values()){result.item=searchIndex[result.id];result.word=searchIndex[result.id].word;result_list.push(result)}result_list.sort((aaa,bbb)=>{let a,b;a=(aaa.word!==userQuery);b=(bbb.word!==userQuery);if(a!==b){return a-b}a=(aaa.index<0);b=(bbb.index<0);if(a!==b){return a-b}a=aaa.path_dist;b=bbb.path_dist;if(a!==b){return a-b}a=aaa.index;b=bbb.index;if(a!==b){return a-b}a=(aaa.dist);b=(bbb.dist);if(a!==b){return a-b}a=aaa.item.deprecated;b=bbb.item.deprecated;if(a!==b){return a-b}a=(aaa.item.crate!==preferredCrate);b=(bbb.item.crate!==preferredCrate);if(a!==b){return a-b}a=aaa.word.length;b=bbb.word.length;if(a!==b){return a-b}a=aaa.word;b=bbb.word;if(a!==b){return(a>b?+1:-1)}a=(aaa.item.desc==="");b=(bbb.item.desc==="");if(a!==b){return a-b}a=aaa.item.ty;b=bbb.item.ty;if(a!==b){return a-b}a=aaa.item.path;b=bbb.item.path;if(a!==b){return(a>b?+1:-1)}return 0});return transformResults(result_list)}function unifyFunctionTypes(fnTypesIn,queryElems,whereClause,mgensIn,solutionCb){const mgens=mgensIn===null?null:new Map(mgensIn);if(queryElems.length===0){return!solutionCb||solutionCb(mgens)}if(!fnTypesIn||fnTypesIn.length===0){return false}const ql=queryElems.length;const fl=fnTypesIn.length;if(ql===1&&queryElems[0].generics.length===0&&queryElems[0].bindings.size===0){const queryElem=queryElems[0];for(const fnType of fnTypesIn){if(!unifyFunctionTypeIsMatchCandidate(fnType,queryElem,whereClause,mgens)){continue}if(fnType.id<0&&queryElem.id<0){if(mgens&&mgens.has(fnType.id)&&mgens.get(fnType.id)!==queryElem.id){continue}const mgensScratch=new Map(mgens);mgensScratch.set(fnType.id,queryElem.id);if(!solutionCb||solutionCb(mgensScratch)){return true}}else if(!solutionCb||solutionCb(mgens?new Map(mgens):null)){return true}}for(const fnType of fnTypesIn){if(!unifyFunctionTypeIsUnboxCandidate(fnType,queryElem,whereClause,mgens)){continue}if(fnType.id<0){if(mgens&&mgens.has(fnType.id)&&mgens.get(fnType.id)!==0){continue}const mgensScratch=new Map(mgens);mgensScratch.set(fnType.id,0);if(unifyFunctionTypes(whereClause[(-fnType.id)-1],queryElems,whereClause,mgensScratch,solutionCb)){return true}}else if(unifyFunctionTypes([...fnType.generics,...Array.from(fnType.bindings.values()).flat()],queryElems,whereClause,mgens?new Map(mgens):null,solutionCb)){return true}}return false}const fnTypes=fnTypesIn.slice();const flast=fl-1;const qlast=ql-1;const queryElem=queryElems[qlast];let queryElemsTmp=null;for(let i=flast;i>=0;i-=1){const fnType=fnTypes[i];if(!unifyFunctionTypeIsMatchCandidate(fnType,queryElem,whereClause,mgens)){continue}let mgensScratch;if(fnType.id<0){mgensScratch=new Map(mgens);if(mgensScratch.has(fnType.id)&&mgensScratch.get(fnType.id)!==queryElem.id){continue}mgensScratch.set(fnType.id,queryElem.id)}else{mgensScratch=mgens}fnTypes[i]=fnTypes[flast];fnTypes.length=flast;if(!queryElemsTmp){queryElemsTmp=queryElems.slice(0,qlast)}const passesUnification=unifyFunctionTypes(fnTypes,queryElemsTmp,whereClause,mgensScratch,mgensScratch=>{if(fnType.generics.length===0&&queryElem.generics.length===0&&fnType.bindings.size===0&&queryElem.bindings.size===0){return!solutionCb||solutionCb(mgensScratch)}const solution=unifyFunctionTypeCheckBindings(fnType,queryElem,whereClause,mgensScratch);if(!solution){return false}const simplifiedGenerics=solution.simplifiedGenerics;for(const simplifiedMgens of solution.mgens){const passesUnification=unifyFunctionTypes(simplifiedGenerics,queryElem.generics,whereClause,simplifiedMgens,solutionCb);if(passesUnification){return true}}return false});if(passesUnification){return true}fnTypes[flast]=fnTypes[i];fnTypes[i]=fnType;fnTypes.length=fl}for(let i=flast;i>=0;i-=1){const fnType=fnTypes[i];if(!unifyFunctionTypeIsUnboxCandidate(fnType,queryElem,whereClause,mgens)){continue}let mgensScratch;if(fnType.id<0){mgensScratch=new Map(mgens);if(mgensScratch.has(fnType.id)&&mgensScratch.get(fnType.id)!==0){continue}mgensScratch.set(fnType.id,0)}else{mgensScratch=mgens}const generics=fnType.id<0?whereClause[(-fnType.id)-1]:fnType.generics;const bindings=fnType.bindings?Array.from(fnType.bindings.values()).flat():[];const passesUnification=unifyFunctionTypes(fnTypes.toSpliced(i,1,...generics,...bindings),queryElems,whereClause,mgensScratch,solutionCb);if(passesUnification){return true}}return false}function unifyFunctionTypeIsMatchCandidate(fnType,queryElem,whereClause,mgensIn){if(!typePassesFilter(queryElem.typeFilter,fnType.ty)){return false}if(fnType.id<0&&queryElem.id<0){if(mgensIn){if(mgensIn.has(fnType.id)&&mgensIn.get(fnType.id)!==queryElem.id){return false}for(const[fid,qid]of mgensIn.entries()){if(fnType.id!==fid&&queryElem.id===qid){return false}if(fnType.id===fid&&queryElem.id!==qid){return false}}}return true}else{if(queryElem.id===typeNameIdOfArrayOrSlice&&(fnType.id===typeNameIdOfSlice||fnType.id===typeNameIdOfArray)){}else if(queryElem.id===typeNameIdOfTupleOrUnit&&(fnType.id===typeNameIdOfTuple||fnType.id===typeNameIdOfUnit)){}else if(fnType.id!==queryElem.id||queryElem.id===null){return false}if((fnType.generics.length+fnType.bindings.size)===0&&queryElem.generics.length!==0){return false}if(fnType.bindings.size0){const fnTypePath=fnType.path!==undefined&&fnType.path!==null?fnType.path.split("::"):[];if(queryElemPathLength>fnTypePath.length){return false}let i=0;for(const path of fnTypePath){if(path===queryElem.pathWithoutLast[i]){i+=1;if(i>=queryElemPathLength){break}}}if(i0){let mgensSolutionSet=[mgensIn];for(const[name,constraints]of queryElem.bindings.entries()){if(mgensSolutionSet.length===0){return false}if(!fnType.bindings.has(name)){return false}const fnTypeBindings=fnType.bindings.get(name);mgensSolutionSet=mgensSolutionSet.flatMap(mgens=>{const newSolutions=[];unifyFunctionTypes(fnTypeBindings,constraints,whereClause,mgens,newMgens=>{newSolutions.push(newMgens);return false});return newSolutions})}if(mgensSolutionSet.length===0){return false}const binds=Array.from(fnType.bindings.entries()).flatMap(entry=>{const[name,constraints]=entry;if(queryElem.bindings.has(name)){return[]}else{return constraints}});if(simplifiedGenerics.length>0){simplifiedGenerics=[...simplifiedGenerics,...binds]}else{simplifiedGenerics=binds}return{simplifiedGenerics,mgens:mgensSolutionSet}}return{simplifiedGenerics,mgens:[mgensIn]}}function unifyFunctionTypeIsUnboxCandidate(fnType,queryElem,whereClause,mgens){if(fnType.id<0&&queryElem.id>=0){if(!whereClause){return false}if(mgens&&mgens.has(fnType.id)&&mgens.get(fnType.id)!==0){return false}const mgensTmp=new Map(mgens);mgensTmp.set(fnType.id,null);return checkIfInList(whereClause[(-fnType.id)-1],queryElem,whereClause,mgensTmp)}else if(fnType.generics.length>0||fnType.bindings.size>0){const simplifiedGenerics=[...fnType.generics,...Array.from(fnType.bindings.values()).flat(),];return checkIfInList(simplifiedGenerics,queryElem,whereClause,mgens)}return false}function checkIfInList(list,elem,whereClause,mgens){for(const entry of list){if(checkType(entry,elem,whereClause,mgens)){return true}}return false}function checkType(row,elem,whereClause,mgens){if(row.bindings.size===0&&elem.bindings.size===0){if(elem.id<0){return row.id<0||checkIfInList(row.generics,elem,whereClause,mgens)}if(row.id>0&&elem.id>0&&elem.pathWithoutLast.length===0&&typePassesFilter(elem.typeFilter,row.ty)&&elem.generics.length===0&&elem.id!==typeNameIdOfArrayOrSlice&&elem.id!==typeNameIdOfTupleOrUnit){return row.id===elem.id||checkIfInList(row.generics,elem,whereClause,mgens)}}return unifyFunctionTypes([row],[elem],whereClause,mgens)}function checkPath(contains,ty){if(contains.length===0){return 0}const maxPathEditDistance=Math.floor(contains.reduce((acc,next)=>acc+next.length,0)/3);let ret_dist=maxPathEditDistance+1;const path=ty.path.split("::");if(ty.parent&&ty.parent.name){path.push(ty.parent.name.toLowerCase())}const length=path.length;const clength=contains.length;pathiter:for(let i=length-clength;i>=0;i-=1){let dist_total=0;for(let x=0;xmaxPathEditDistance){continue pathiter}dist_total+=dist}}ret_dist=Math.min(ret_dist,Math.round(dist_total/clength))}return ret_dist>maxPathEditDistance?null:ret_dist}function typePassesFilter(filter,type){if(filter<=NO_TYPE_FILTER||filter===type)return true;const name=itemTypes[type];switch(itemTypes[filter]){case"constant":return name==="associatedconstant";case"fn":return name==="method"||name==="tymethod";case"type":return name==="primitive"||name==="associatedtype";case"trait":return name==="traitalias"}return false}function createAliasFromItem(item){return{crate:item.crate,name:item.name,path:item.path,desc:item.desc,ty:item.ty,parent:item.parent,type:item.type,is_alias:true,deprecated:item.deprecated,implDisambiguator:item.implDisambiguator,}}function handleAliases(ret,query,filterCrates,currentCrate){const lowerQuery=query.toLowerCase();const aliases=[];const crateAliases=[];if(filterCrates!==null){if(ALIASES.has(filterCrates)&&ALIASES.get(filterCrates).has(lowerQuery)){const query_aliases=ALIASES.get(filterCrates).get(lowerQuery);for(const alias of query_aliases){aliases.push(createAliasFromItem(searchIndex[alias]))}}}else{for(const[crate,crateAliasesIndex]of ALIASES){if(crateAliasesIndex.has(lowerQuery)){const pushTo=crate===currentCrate?crateAliases:aliases;const query_aliases=crateAliasesIndex.get(lowerQuery);for(const alias of query_aliases){pushTo.push(createAliasFromItem(searchIndex[alias]))}}}}const sortFunc=(aaa,bbb)=>{if(aaa.path{alias.alias=query;const res=buildHrefAndPath(alias);alias.displayPath=pathSplitter(res[0]);alias.fullPath=alias.displayPath+alias.name;alias.href=res[1];ret.others.unshift(alias);if(ret.others.length>MAX_RESULTS){ret.others.pop()}};aliases.forEach(pushFunc);crateAliases.forEach(pushFunc)}function addIntoResults(results,fullId,id,index,dist,path_dist,maxEditDistance){if(dist<=maxEditDistance||index!==-1){if(results.has(fullId)){const result=results.get(fullId);if(result.dontValidate||result.dist<=dist){return}}results.set(fullId,{id:id,index:index,dontValidate:parsedQuery.literalSearch,dist:dist,path_dist:path_dist,})}}function handleSingleArg(row,pos,elem,results_others,results_in_args,results_returned,maxEditDistance){if(!row||(filterCrates!==null&&row.crate!==filterCrates)){return}let path_dist=0;const fullId=row.id;const tfpDist=compareTypeFingerprints(fullId,parsedQuery.typeFingerprint);if(tfpDist!==null){const in_args=row.type&&row.type.inputs&&checkIfInList(row.type.inputs,elem,row.type.where_clause);const returned=row.type&&row.type.output&&checkIfInList(row.type.output,elem,row.type.where_clause);if(in_args){results_in_args.max_dist=Math.max(results_in_args.max_dist||0,tfpDist);const maxDist=results_in_args.sizenormalizedIndex&&normalizedIndex!==-1)){index=normalizedIndex}if(elem.fullPath.length>1){path_dist=checkPath(elem.pathWithoutLast,row);if(path_dist===null){return}}if(parsedQuery.literalSearch){if(row.word===elem.pathLast){addIntoResults(results_others,fullId,pos,index,0,path_dist)}return}const dist=editDistance(row.normalizedName,elem.normalizedPathLast,maxEditDistance);if(index===-1&&dist>maxEditDistance){return}addIntoResults(results_others,fullId,pos,index,dist,path_dist,maxEditDistance)}function handleArgs(row,pos,results){if(!row||(filterCrates!==null&&row.crate!==filterCrates)||!row.type){return}const tfpDist=compareTypeFingerprints(row.id,parsedQuery.typeFingerprint);if(tfpDist===null){return}if(results.size>=MAX_RESULTS&&tfpDist>results.max_dist){return}if(!unifyFunctionTypes(row.type.inputs,parsedQuery.elems,row.type.where_clause,null,mgens=>{return unifyFunctionTypes(row.type.output,parsedQuery.returned,row.type.where_clause,mgens)})){return}results.max_dist=Math.max(results.max_dist||0,tfpDist);addIntoResults(results,row.id,pos,0,tfpDist,0,Number.MAX_VALUE)}function innerRunQuery(){const queryLen=parsedQuery.elems.reduce((acc,next)=>acc+next.pathLast.length,0)+parsedQuery.returned.reduce((acc,next)=>acc+next.pathLast.length,0);const maxEditDistance=Math.floor(queryLen/3);const genericSymbols=new Map();function convertNameToId(elem,isAssocType){if(typeNameIdMap.has(elem.normalizedPathLast)&&(isAssocType||!typeNameIdMap.get(elem.normalizedPathLast).assocOnly)){elem.id=typeNameIdMap.get(elem.normalizedPathLast).id}else if(!parsedQuery.literalSearch){let match=null;let matchDist=maxEditDistance+1;let matchName="";for(const[name,{id,assocOnly}]of typeNameIdMap){const dist=editDistance(name,elem.normalizedPathLast,maxEditDistance);if(dist<=matchDist&&dist<=maxEditDistance&&(isAssocType||!assocOnly)){if(dist===matchDist&&matchName>name){continue}match=id;matchDist=dist;matchName=name}}if(match!==null){parsedQuery.correction=matchName}elem.id=match}if((elem.id===null&&parsedQuery.totalElems>1&&elem.typeFilter===-1&&elem.generics.length===0&&elem.bindings.size===0)||elem.typeFilter===TY_GENERIC){if(genericSymbols.has(elem.name)){elem.id=genericSymbols.get(elem.name)}else{elem.id=-(genericSymbols.size+1);genericSymbols.set(elem.name,elem.id)}if(elem.typeFilter===-1&&elem.name.length>=3){const maxPartDistance=Math.floor(elem.name.length/3);let matchDist=maxPartDistance+1;let matchName="";for(const name of typeNameIdMap.keys()){const dist=editDistance(name,elem.name,maxPartDistance);if(dist<=matchDist&&dist<=maxPartDistance){if(dist===matchDist&&matchName>name){continue}matchDist=dist;matchName=name}}if(matchName!==""){parsedQuery.proposeCorrectionFrom=elem.name;parsedQuery.proposeCorrectionTo=matchName}}elem.typeFilter=TY_GENERIC}if(elem.generics.length>0&&elem.typeFilter===TY_GENERIC){parsedQuery.error=["Generic type parameter ",elem.name," does not accept generic parameters",]}for(const elem2 of elem.generics){convertNameToId(elem2)}elem.bindings=new Map(Array.from(elem.bindings.entries()).map(entry=>{const[name,constraints]=entry;if(!typeNameIdMap.has(name)){parsedQuery.error=["Type parameter ",name," does not exist",];return[null,[]]}for(const elem2 of constraints){convertNameToId(elem2)}return[typeNameIdMap.get(name).id,constraints]}))}const fps=new Set();for(const elem of parsedQuery.elems){convertNameToId(elem);buildFunctionTypeFingerprint(elem,parsedQuery.typeFingerprint,fps)}for(const elem of parsedQuery.returned){convertNameToId(elem);buildFunctionTypeFingerprint(elem,parsedQuery.typeFingerprint,fps)}if(parsedQuery.foundElems===1&&parsedQuery.returned.length===0){if(parsedQuery.elems.length===1){const elem=parsedQuery.elems[0];for(let i=0,nSearchIndex=searchIndex.length;i0){const sortQ=(a,b)=>{const ag=a.generics.length===0&&a.bindings.size===0;const bg=b.generics.length===0&&b.bindings.size===0;if(ag!==bg){return ag-bg}const ai=a.id>0;const bi=b.id>0;return ai-bi};parsedQuery.elems.sort(sortQ);parsedQuery.returned.sort(sortQ);for(let i=0,nSearchIndex=searchIndex.length;i");if(tmp.endsWith("")){return tmp.slice(0,tmp.length-6)}return tmp}function addTab(array,query,display){const extraClass=display?" active":"";const output=document.createElement("div");if(array.length>0){output.className="search-results "+extraClass;array.forEach(item=>{const name=item.name;const type=itemTypes[item.ty];const longType=longItemTypes[item.ty];const typeName=longType.length!==0?`${longType}`:"?";const link=document.createElement("a");link.className="result-"+type;link.href=item.href;const resultName=document.createElement("div");resultName.className="result-name";resultName.insertAdjacentHTML("beforeend",`${typeName}`);link.appendChild(resultName);let alias=" ";if(item.is_alias){alias=` 
\
+${item.alias} - see \
+
`}resultName.insertAdjacentHTML("beforeend",`
${alias}\
+${item.displayPath}${name}\
+
`);const description=document.createElement("div");description.className="desc";description.insertAdjacentHTML("beforeend",item.desc);link.appendChild(description);output.appendChild(link)})}else if(query.error===null){output.className="search-failed"+extraClass;output.innerHTML="No results :(
"+"Try on DuckDuckGo?

"+"Or try looking in one of these:"}return[output,array.length]}function makeTabHeader(tabNb,text,nbElems){const fmtNbElems=nbElems<10?`\u{2007}(${nbElems})\u{2007}\u{2007}`:nbElems<100?`\u{2007}(${nbElems})\u{2007}`:`\u{2007}(${nbElems})`;if(searchState.currentTab===tabNb){return""}return""}function showResults(results,go_to_first,filterCrates){const search=searchState.outputElement();if(go_to_first||(results.others.length===1&&getSettingValue("go-to-only-result")==="true")){window.onunload=()=>{};searchState.removeQueryParameters();const elem=document.createElement("a");elem.href=results.others[0].href;removeClass(elem,"active");document.body.appendChild(elem);elem.click();return}if(results.query===undefined){results.query=parseQuery(searchState.input.value)}currentResults=results.query.userQuery;const ret_others=addTab(results.others,results.query,true);const ret_in_args=addTab(results.in_args,results.query,false);const ret_returned=addTab(results.returned,results.query,false);let currentTab=searchState.currentTab;if((currentTab===0&&ret_others[1]===0)||(currentTab===1&&ret_in_args[1]===0)||(currentTab===2&&ret_returned[1]===0)){if(ret_others[1]!==0){currentTab=0}else if(ret_in_args[1]!==0){currentTab=1}else if(ret_returned[1]!==0){currentTab=2}}let crates="";if(rawSearchIndex.size>1){crates=" in 
"}let output=`
Results${crates}
`;if(results.query.error!==null){const error=results.query.error;error.forEach((value,index)=>{value=value.split("<").join("<").split(">").join(">");if(index%2!==0){error[index]=`${value.replaceAll(" ", " ")}`}else{error[index]=value}});output+=`
Query parser error: "${error.join("")}".
`;output+="
"+makeTabHeader(0,"In Names",ret_others[1])+"
";currentTab=0}else if(results.query.foundElems<=1&&results.query.returned.length===0){output+="
"+makeTabHeader(0,"In Names",ret_others[1])+makeTabHeader(1,"In Parameters",ret_in_args[1])+makeTabHeader(2,"In Return Types",ret_returned[1])+"
"}else{const signatureTabTitle=results.query.elems.length===0?"In Function Return Types":results.query.returned.length===0?"In Function Parameters":"In Function Signatures";output+="
"+makeTabHeader(0,signatureTabTitle,ret_others[1])+"
";currentTab=0}if(results.query.correction!==null){const orig=results.query.returned.length>0?results.query.returned[0].name:results.query.elems[0].name;output+="
"+`Type "${orig}" not found. `+"Showing results for closest type name "+`"${results.query.correction}" instead.
`}if(results.query.proposeCorrectionFrom!==null){const orig=results.query.proposeCorrectionFrom;const targ=results.query.proposeCorrectionTo;output+="
"+`Type "${orig}" not found and used as generic parameter. `+`Consider searching for "${targ}" instead.
`}const resultsElem=document.createElement("div");resultsElem.id="results";resultsElem.appendChild(ret_others[0]);resultsElem.appendChild(ret_in_args[0]);resultsElem.appendChild(ret_returned[0]);search.innerHTML=output;const crateSearch=document.getElementById("crate-search");if(crateSearch){crateSearch.addEventListener("input",updateCrate)}search.appendChild(resultsElem);searchState.showResults(search);const elems=document.getElementById("search-tabs").childNodes;searchState.focusedByTab=[];let i=0;for(const elem of elems){const j=i;elem.onclick=()=>printTab(j);searchState.focusedByTab.push(null);i+=1}printTab(currentTab)}function updateSearchHistory(url){if(!browserSupportsHistoryApi()){return}const params=searchState.getQueryStringParams();if(!history.state&&!params.search){history.pushState(null,"",url)}else{history.replaceState(null,"",url)}}function search(forced){const query=parseQuery(searchState.input.value.trim());let filterCrates=getFilterCrates();if(!forced&&query.userQuery===currentResults){if(query.userQuery.length>0){putBackSearch()}return}searchState.setLoadingSearch();const params=searchState.getQueryStringParams();if(filterCrates===null&¶ms["filter-crate"]!==undefined){filterCrates=params["filter-crate"]}searchState.title="Results for "+query.original+" - Rust";updateSearchHistory(buildUrl(query.original,filterCrates));showResults(execQuery(query,filterCrates,window.currentCrate),params.go_to_first,filterCrates)}function buildItemSearchTypeAll(types,lowercasePaths){return types.length>0?types.map(type=>buildItemSearchType(type,lowercasePaths)):EMPTY_GENERICS_ARRAY}const EMPTY_BINDINGS_MAP=new Map();const EMPTY_GENERICS_ARRAY=[];let TYPES_POOL=new Map();function buildItemSearchType(type,lowercasePaths,isAssocType){const PATH_INDEX_DATA=0;const GENERICS_DATA=1;const BINDINGS_DATA=2;let pathIndex,generics,bindings;if(typeof type==="number"){pathIndex=type;generics=EMPTY_GENERICS_ARRAY;bindings=EMPTY_BINDINGS_MAP}else{pathIndex=type[PATH_INDEX_DATA];generics=buildItemSearchTypeAll(type[GENERICS_DATA],lowercasePaths);if(type.length>BINDINGS_DATA&&type[BINDINGS_DATA].length>0){bindings=new Map(type[BINDINGS_DATA].map(binding=>{const[assocType,constraints]=binding;return[buildItemSearchType(assocType,lowercasePaths,true).id,buildItemSearchTypeAll(constraints,lowercasePaths),]}))}else{bindings=EMPTY_BINDINGS_MAP}}let result;if(pathIndex<0){result={id:pathIndex,ty:TY_GENERIC,path:null,generics,bindings,}}else if(pathIndex===0){result={id:null,ty:null,path:null,generics,bindings,}}else{const item=lowercasePaths[pathIndex-1];result={id:buildTypeMapIndex(item.name,isAssocType),ty:item.ty,path:item.path,generics,bindings,}}const cr=TYPES_POOL.get(result.id);if(cr){if(cr.generics.length===result.generics.length&&cr.generics!==result.generics&&cr.generics.every((x,i)=>result.generics[i]===x)){result.generics=cr.generics}if(cr.bindings.size===result.bindings.size&&cr.bindings!==result.bindings){let ok=true;for(const[k,v]of cr.bindings.entries()){const v2=result.bindings.get(v);if(!v2){ok=false;break}if(v!==v2&&v.length===v2.length&&v.every((x,i)=>v2[i]===x)){result.bindings.set(k,v)}else if(v!==v2){ok=false;break}}if(ok){result.bindings=cr.bindings}}if(cr.ty===result.ty&&cr.path===result.path&&cr.bindings===result.bindings&&cr.generics===result.generics&&cr.ty===result.ty){return cr}}TYPES_POOL.set(result.id,result);return result}function buildFunctionSearchType(itemFunctionDecoder,lowercasePaths){const c=itemFunctionDecoder.string.charCodeAt(itemFunctionDecoder.offset);itemFunctionDecoder.offset+=1;const[zero,ua,la,ob,cb]=["0","@","`","{","}"].map(c=>c.charCodeAt(0));if(c===la){return null}if(c>=zero&&c>1];itemFunctionDecoder.offset+=1;return sign?-value:value}const functionSearchType=decodeList();const INPUTS_DATA=0;const OUTPUT_DATA=1;let inputs,output;if(typeof functionSearchType[INPUTS_DATA]==="number"){inputs=[buildItemSearchType(functionSearchType[INPUTS_DATA],lowercasePaths)]}else{inputs=buildItemSearchTypeAll(functionSearchType[INPUTS_DATA],lowercasePaths)}if(functionSearchType.length>1){if(typeof functionSearchType[OUTPUT_DATA]==="number"){output=[buildItemSearchType(functionSearchType[OUTPUT_DATA],lowercasePaths)]}else{output=buildItemSearchTypeAll(functionSearchType[OUTPUT_DATA],lowercasePaths)}}else{output=[]}const where_clause=[];const l=functionSearchType.length;for(let i=2;i16){itemFunctionDecoder.backrefQueue.pop()}return ret}function buildFunctionTypeFingerprint(type,output,fps){let input=type.id;if(input===typeNameIdOfArray||input===typeNameIdOfSlice){input=typeNameIdOfArrayOrSlice}if(input===typeNameIdOfTuple||input===typeNameIdOfUnit){input=typeNameIdOfTupleOrUnit}const hashint1=k=>{k=(~~k+0x7ed55d16)+(k<<12);k=(k ^ 0xc761c23c)^(k>>>19);k=(~~k+0x165667b1)+(k<<5);k=(~~k+0xd3a2646c)^(k<<9);k=(~~k+0xfd7046c5)+(k<<3);return(k ^ 0xb55a4f09)^(k>>>16)};const hashint2=k=>{k=~k+(k<<15);k ^=k>>>12;k+=k<<2;k ^=k>>>4;k=Math.imul(k,2057);return k ^(k>>16)};if(input!==null){const h0a=hashint1(input);const h0b=hashint2(input);const h1a=~~(h0a+Math.imul(h0b,2));const h1b=~~(h0a+Math.imul(h0b,3));const h2a=~~(h0a+Math.imul(h0b,4));const h2b=~~(h0a+Math.imul(h0b,5));output[0]|=(1<<(h0a%32))|(1<<(h1b%32));output[1]|=(1<<(h1a%32))|(1<<(h2b%32));output[2]|=(1<<(h2a%32))|(1<<(h0b%32));fps.add(input)}for(const g of type.generics){buildFunctionTypeFingerprint(g,output,fps)}const fb={id:null,ty:0,generics:EMPTY_GENERICS_ARRAY,bindings:EMPTY_BINDINGS_MAP,};for(const[k,v]of type.bindings.entries()){fb.id=k;fb.generics=v;buildFunctionTypeFingerprint(fb,output,fps)}output[3]=fps.size}function compareTypeFingerprints(fullId,queryFingerprint){const fh0=functionTypeFingerprint[fullId*4];const fh1=functionTypeFingerprint[(fullId*4)+1];const fh2=functionTypeFingerprint[(fullId*4)+2];const[qh0,qh1,qh2]=queryFingerprint;const[in0,in1,in2]=[fh0&qh0,fh1&qh1,fh2&qh2];if((in0 ^ qh0)||(in1 ^ qh1)||(in2 ^ qh2)){return null}return functionTypeFingerprint[(fullId*4)+3]}function buildIndex(rawSearchIndex){searchIndex=[];typeNameIdMap=new Map();const charA="A".charCodeAt(0);let currentIndex=0;let id=0;typeNameIdOfArray=buildTypeMapIndex("array");typeNameIdOfSlice=buildTypeMapIndex("slice");typeNameIdOfTuple=buildTypeMapIndex("tuple");typeNameIdOfUnit=buildTypeMapIndex("unit");typeNameIdOfArrayOrSlice=buildTypeMapIndex("[]");typeNameIdOfTupleOrUnit=buildTypeMapIndex("()");for(const crate of rawSearchIndex.values()){id+=crate.t.length+1}functionTypeFingerprint=new Uint32Array((id+1)*4);id=0;for(const[crate,crateCorpus]of rawSearchIndex){const crateRow={crate:crate,ty:3,name:crate,path:"",desc:crateCorpus.doc,parent:undefined,type:null,id:id,word:crate,normalizedName:crate.indexOf("_")===-1?crate:crate.replace(/_/g,""),deprecated:null,implDisambiguator:null,};id+=1;searchIndex.push(crateRow);currentIndex+=1;const itemTypes=crateCorpus.t;const itemNames=crateCorpus.n;const itemPaths=new Map(crateCorpus.q);const itemDescs=crateCorpus.d;const itemParentIdxs=crateCorpus.i;const itemFunctionDecoder={string:crateCorpus.f,offset:0,backrefQueue:[],};const deprecatedItems=new Set(crateCorpus.c);const implDisambiguator=new Map(crateCorpus.b);const paths=crateCorpus.p;const aliases=crateCorpus.a;const lowercasePaths=[];let len=paths.length;let lastPath=itemPaths.get(0);for(let i=0;i2){path=itemPaths.has(elem[2])?itemPaths.get(elem[2]):lastPath;lastPath=path}lowercasePaths.push({ty:ty,name:name.toLowerCase(),path:path});paths[i]={ty:ty,name:name,path:path}}lastPath="";len=itemTypes.length;for(let i=0;i0?paths[itemParentIdxs[i]-1]:undefined,type,id:id,word,normalizedName:word.indexOf("_")===-1?word:word.replace(/_/g,""),deprecated:deprecatedItems.has(i),implDisambiguator:implDisambiguator.has(i)?implDisambiguator.get(i):null,};id+=1;searchIndex.push(row);lastPath=row.path}if(aliases){const currentCrateAliases=new Map();ALIASES.set(crate,currentCrateAliases);for(const alias_name in aliases){if(!Object.prototype.hasOwnProperty.call(aliases,alias_name)){continue}let currentNameAliases;if(currentCrateAliases.has(alias_name)){currentNameAliases=currentCrateAliases.get(alias_name)}else{currentNameAliases=[];currentCrateAliases.set(alias_name,currentNameAliases)}for(const local_alias of aliases[alias_name]){currentNameAliases.push(local_alias+currentIndex)}}}currentIndex+=itemTypes.length}TYPES_POOL=new Map()}function onSearchSubmit(e){e.preventDefault();searchState.clearInputTimeout();search()}function putBackSearch(){const search_input=searchState.input;if(!searchState.input){return}if(search_input.value!==""&&!searchState.isDisplayed()){searchState.showResults();if(browserSupportsHistoryApi()){history.replaceState(null,"",buildUrl(search_input.value,getFilterCrates()))}document.title=searchState.title}}function registerSearchEvents(){const params=searchState.getQueryStringParams();if(searchState.input.value===""){searchState.input.value=params.search||""}const searchAfter500ms=()=>{searchState.clearInputTimeout();if(searchState.input.value.length===0){searchState.hideResults()}else{searchState.timeout=setTimeout(search,500)}};searchState.input.onkeyup=searchAfter500ms;searchState.input.oninput=searchAfter500ms;document.getElementsByClassName("search-form")[0].onsubmit=onSearchSubmit;searchState.input.onchange=e=>{if(e.target!==document.activeElement){return}searchState.clearInputTimeout();setTimeout(search,0)};searchState.input.onpaste=searchState.input.onchange;searchState.outputElement().addEventListener("keydown",e=>{if(e.altKey||e.ctrlKey||e.shiftKey||e.metaKey){return}if(e.which===38){const previous=document.activeElement.previousElementSibling;if(previous){previous.focus()}else{searchState.focus()}e.preventDefault()}else if(e.which===40){const next=document.activeElement.nextElementSibling;if(next){next.focus()}const rect=document.activeElement.getBoundingClientRect();if(window.innerHeight-rect.bottom{if(e.which===40){focusSearchResult();e.preventDefault()}});searchState.input.addEventListener("focus",()=>{putBackSearch()});searchState.input.addEventListener("blur",()=>{searchState.input.placeholder=searchState.input.origPlaceholder});if(browserSupportsHistoryApi()){const previousTitle=document.title;window.addEventListener("popstate",e=>{const params=searchState.getQueryStringParams();document.title=previousTitle;currentResults=null;if(params.search&¶ms.search.length>0){searchState.input.value=params.search;e.preventDefault();search()}else{searchState.input.value="";searchState.hideResults()}})}window.onpageshow=()=>{const qSearch=searchState.getQueryStringParams().search;if(searchState.input.value===""&&qSearch){searchState.input.value=qSearch}search()}}function updateCrate(ev){if(ev.target.value==="all crates"){const query=searchState.input.value.trim();updateSearchHistory(buildUrl(query,null))}currentResults=null;search(true)}buildIndex(rawSearchIndex);if(typeof window!=="undefined"){registerSearchEvents();if(window.searchState.getQueryStringParams().search){search()}}if(typeof exports!=="undefined"){exports.initSearch=initSearch;exports.execQuery=execQuery;exports.parseQuery=parseQuery}}if(typeof window!=="undefined"){window.initSearch=initSearch;if(window.searchIndex!==undefined){initSearch(window.searchIndex)}}else{initSearch(new Map())}})()
\ No newline at end of file
diff --git a/ch2/static.files/settings-4313503d2e1961c2.js b/ch2/static.files/settings-4313503d2e1961c2.js
new file mode 100644
index 00000000..ab425fe4
--- /dev/null
+++ b/ch2/static.files/settings-4313503d2e1961c2.js
@@ -0,0 +1,17 @@
+"use strict";(function(){const isSettingsPage=window.location.pathname.endsWith("/settings.html");function changeSetting(settingName,value){if(settingName==="theme"){const useSystem=value==="system preference"?"true":"false";updateLocalStorage("use-system-theme",useSystem)}updateLocalStorage(settingName,value);switch(settingName){case"theme":case"preferred-dark-theme":case"preferred-light-theme":updateTheme();updateLightAndDark();break;case"line-numbers":if(value===true){window.rustdoc_add_line_numbers_to_examples()}else{window.rustdoc_remove_line_numbers_from_examples()}break;case"hide-sidebar":if(value===true){addClass(document.documentElement,"hide-sidebar")}else{removeClass(document.documentElement,"hide-sidebar")}break}}function showLightAndDark(){removeClass(document.getElementById("preferred-light-theme"),"hidden");removeClass(document.getElementById("preferred-dark-theme"),"hidden")}function hideLightAndDark(){addClass(document.getElementById("preferred-light-theme"),"hidden");addClass(document.getElementById("preferred-dark-theme"),"hidden")}function updateLightAndDark(){const useSystem=getSettingValue("use-system-theme");if(useSystem==="true"||(useSystem===null&&getSettingValue("theme")===null)){showLightAndDark()}else{hideLightAndDark()}}function setEvents(settingsElement){updateLightAndDark();onEachLazy(settingsElement.querySelectorAll("input[type=\"checkbox\"]"),toggle=>{const settingId=toggle.id;const settingValue=getSettingValue(settingId);if(settingValue!==null){toggle.checked=settingValue==="true"}toggle.onchange=()=>{changeSetting(toggle.id,toggle.checked)}});onEachLazy(settingsElement.querySelectorAll("input[type=\"radio\"]"),elem=>{const settingId=elem.name;let settingValue=getSettingValue(settingId);if(settingId==="theme"){const useSystem=getSettingValue("use-system-theme");if(useSystem==="true"||settingValue===null){settingValue=useSystem==="false"?"light":"system preference"}}if(settingValue!==null&&settingValue!=="null"){elem.checked=settingValue===elem.value}elem.addEventListener("change",ev=>{changeSetting(ev.target.name,ev.target.value)})})}function buildSettingsPageSections(settings){let output="";for(const setting of settings){const js_data_name=setting["js_name"];const setting_name=setting["name"];if(setting["options"]!==undefined){output+=`\
+

+    
${setting_name}

+    
`;onEach(setting["options"],option=>{const checked=option===setting["default"]?" checked":"";const full=`${js_data_name}-${option.replace(/ /g,"-")}`;output+=`\
+        `});output+=`\
+    

+
`}else{const checked=setting["default"]===true?" checked":"";output+=`\
+
\
+    \
+
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deleted file mode 100644
index 3014f75c..00000000
--- a/ch2/static.files/settings-74424d7eec62a23e.js
+++ /dev/null
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diff --git a/ch2/static.files/src-script-3280b574d94e47b4.js b/ch2/static.files/src-script-3280b574d94e47b4.js
deleted file mode 100644
index 9ea88921..00000000
--- a/ch2/static.files/src-script-3280b574d94e47b4.js
+++ /dev/null
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diff --git a/ch2/static.files/src-script-e66d777a5a92e9b2.js b/ch2/static.files/src-script-e66d777a5a92e9b2.js
new file mode 100644
index 00000000..d0aebb85
--- /dev/null
+++ b/ch2/static.files/src-script-e66d777a5a92e9b2.js
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\ No newline at end of file
diff --git a/ch2/static.files/storage-f2adc0d6ca4d09fb.js b/ch2/static.files/storage-f2adc0d6ca4d09fb.js
new file mode 100644
index 00000000..17233608
--- /dev/null
+++ b/ch2/static.files/storage-f2adc0d6ca4d09fb.js
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diff --git a/ch2/static.files/storage-fec3eaa3851e447d.js b/ch2/static.files/storage-fec3eaa3851e447d.js
deleted file mode 100644
index a687118f..00000000
--- a/ch2/static.files/storage-fec3eaa3851e447d.js
+++ /dev/null
@@ -1 +0,0 @@
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diff --git a/ch2/implementors/core/fmt/trait.Write.js b/ch2/trait.impl/core/fmt/trait.Write.js
similarity index 100%
rename from ch2/implementors/core/fmt/trait.Write.js
rename to ch2/trait.impl/core/fmt/trait.Write.js
diff --git a/ch2/implementors/core/marker/trait.Freeze.js b/ch2/trait.impl/core/marker/trait.Freeze.js
similarity index 100%
rename from ch2/implementors/core/marker/trait.Freeze.js
rename to ch2/trait.impl/core/marker/trait.Freeze.js
diff --git a/ch2/implementors/core/marker/trait.Send.js b/ch2/trait.impl/core/marker/trait.Send.js
similarity index 78%
rename from ch2/implementors/core/marker/trait.Send.js
rename to ch2/trait.impl/core/marker/trait.Send.js
index d10c4dbb..7eab80a4 100644
--- a/ch2/implementors/core/marker/trait.Send.js
+++ b/ch2/trait.impl/core/marker/trait.Send.js
@@ -1,3 +1,3 @@
 (function() {var implementors = {
-"os":[["impl Send for Stdout",1,["os::console::Stdout"]],["impl Send for KernelStack",1,["os::batch::KernelStack"]],["impl Send for UserStack",1,["os::batch::UserStack"]],["impl Send for AppManager",1,["os::batch::AppManager"]],["impl Send for APP_MANAGER",1,["os::batch::APP_MANAGER"]],["impl Send for SimpleLogger",1,["os::logging::SimpleLogger"]],["impl<T> Send for UPSafeCell<T>where\n    T: Send,",1,["os::sync::up::UPSafeCell"]],["impl Send for TrapContext",1,["os::trap::context::TrapContext"]]]
+"os":[["impl Send for Stdout",1,["os::console::Stdout"]],["impl Send for KernelStack",1,["os::batch::KernelStack"]],["impl Send for UserStack",1,["os::batch::UserStack"]],["impl Send for AppManager",1,["os::batch::AppManager"]],["impl Send for APP_MANAGER",1,["os::batch::APP_MANAGER"]],["impl Send for SimpleLogger",1,["os::logging::SimpleLogger"]],["impl<T> Send for UPSafeCell<T>
where\n    T: Send,
",1,["os::sync::up::UPSafeCell"]],["impl Send for TrapContext",1,["os::trap::context::TrapContext"]]]
 };if (window.register_implementors) {window.register_implementors(implementors);} else {window.pending_implementors = implementors;}})()
\ No newline at end of file
diff --git a/ch2/implementors/core/marker/trait.Sync.js b/ch2/trait.impl/core/marker/trait.Sync.js
similarity index 100%
rename from ch2/implementors/core/marker/trait.Sync.js
rename to ch2/trait.impl/core/marker/trait.Sync.js
diff --git a/ch2/implementors/core/marker/trait.Unpin.js b/ch2/trait.impl/core/marker/trait.Unpin.js
similarity index 79%
rename from ch2/implementors/core/marker/trait.Unpin.js
rename to ch2/trait.impl/core/marker/trait.Unpin.js
index 17989136..60967012 100644
--- a/ch2/implementors/core/marker/trait.Unpin.js
+++ b/ch2/trait.impl/core/marker/trait.Unpin.js
@@ -1,3 +1,3 @@
 (function() {var implementors = {
-"os":[["impl Unpin for Stdout",1,["os::console::Stdout"]],["impl Unpin for KernelStack",1,["os::batch::KernelStack"]],["impl Unpin for UserStack",1,["os::batch::UserStack"]],["impl Unpin for AppManager",1,["os::batch::AppManager"]],["impl Unpin for APP_MANAGER",1,["os::batch::APP_MANAGER"]],["impl Unpin for SimpleLogger",1,["os::logging::SimpleLogger"]],["impl<T> Unpin for UPSafeCell<T>where\n    T: Unpin,",1,["os::sync::up::UPSafeCell"]],["impl Unpin for TrapContext",1,["os::trap::context::TrapContext"]]]
+"os":[["impl Unpin for Stdout",1,["os::console::Stdout"]],["impl Unpin for KernelStack",1,["os::batch::KernelStack"]],["impl Unpin for UserStack",1,["os::batch::UserStack"]],["impl Unpin for AppManager",1,["os::batch::AppManager"]],["impl Unpin for APP_MANAGER",1,["os::batch::APP_MANAGER"]],["impl Unpin for SimpleLogger",1,["os::logging::SimpleLogger"]],["impl<T> Unpin for UPSafeCell<T>
where\n    T: Unpin,
",1,["os::sync::up::UPSafeCell"]],["impl Unpin for TrapContext",1,["os::trap::context::TrapContext"]]]
 };if (window.register_implementors) {window.register_implementors(implementors);} else {window.pending_implementors = implementors;}})()
\ No newline at end of file
diff --git a/ch2/implementors/core/ops/deref/trait.Deref.js b/ch2/trait.impl/core/ops/deref/trait.Deref.js
similarity index 100%
rename from ch2/implementors/core/ops/deref/trait.Deref.js
rename to ch2/trait.impl/core/ops/deref/trait.Deref.js
diff --git a/ch2/implementors/core/panic/unwind_safe/trait.RefUnwindSafe.js b/ch2/trait.impl/core/panic/unwind_safe/trait.RefUnwindSafe.js
similarity index 100%
rename from ch2/implementors/core/panic/unwind_safe/trait.RefUnwindSafe.js
rename to ch2/trait.impl/core/panic/unwind_safe/trait.RefUnwindSafe.js
diff --git a/ch2/implementors/core/panic/unwind_safe/trait.UnwindSafe.js b/ch2/trait.impl/core/panic/unwind_safe/trait.UnwindSafe.js
similarity index 79%
rename from ch2/implementors/core/panic/unwind_safe/trait.UnwindSafe.js
rename to ch2/trait.impl/core/panic/unwind_safe/trait.UnwindSafe.js
index ef2b1382..6744e82a 100644
--- a/ch2/implementors/core/panic/unwind_safe/trait.UnwindSafe.js
+++ b/ch2/trait.impl/core/panic/unwind_safe/trait.UnwindSafe.js
@@ -1,3 +1,3 @@
 (function() {var implementors = {
-"os":[["impl UnwindSafe for Stdout",1,["os::console::Stdout"]],["impl UnwindSafe for KernelStack",1,["os::batch::KernelStack"]],["impl UnwindSafe for UserStack",1,["os::batch::UserStack"]],["impl UnwindSafe for AppManager",1,["os::batch::AppManager"]],["impl UnwindSafe for APP_MANAGER",1,["os::batch::APP_MANAGER"]],["impl UnwindSafe for SimpleLogger",1,["os::logging::SimpleLogger"]],["impl<T> UnwindSafe for UPSafeCell<T>where\n    T: UnwindSafe,",1,["os::sync::up::UPSafeCell"]],["impl UnwindSafe for TrapContext",1,["os::trap::context::TrapContext"]]]
+"os":[["impl UnwindSafe for Stdout",1,["os::console::Stdout"]],["impl UnwindSafe for KernelStack",1,["os::batch::KernelStack"]],["impl UnwindSafe for UserStack",1,["os::batch::UserStack"]],["impl UnwindSafe for AppManager",1,["os::batch::AppManager"]],["impl UnwindSafe for APP_MANAGER",1,["os::batch::APP_MANAGER"]],["impl UnwindSafe for SimpleLogger",1,["os::logging::SimpleLogger"]],["impl<T> UnwindSafe for UPSafeCell<T>
where\n    T: UnwindSafe,
",1,["os::sync::up::UPSafeCell"]],["impl UnwindSafe for TrapContext",1,["os::trap::context::TrapContext"]]]
 };if (window.register_implementors) {window.register_implementors(implementors);} else {window.pending_implementors = implementors;}})()
\ No newline at end of file
diff --git a/ch2/implementors/lazy_static/trait.LazyStatic.js b/ch2/trait.impl/lazy_static/trait.LazyStatic.js
similarity index 100%
rename from ch2/implementors/lazy_static/trait.LazyStatic.js
rename to ch2/trait.impl/lazy_static/trait.LazyStatic.js
diff --git a/ch2/implementors/log/trait.Log.js b/ch2/trait.impl/log/trait.Log.js
similarity index 100%
rename from ch2/implementors/log/trait.Log.js
rename to ch2/trait.impl/log/trait.Log.js