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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Record root ppn and has the same lifetime as 1 and 2 level `PageTableEntry`"><title>PageTable in os::mm - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceSerif4-Regular-46f98efaafac5295.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/FiraSans-Regular-018c141bf0843ffd.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/FiraSans-Medium-8f9a781e4970d388.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceCodePro-Regular-562dcc5011b6de7d.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceSerif4-Bold-a2c9cd1067f8b328.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceCodePro-Semibold-d899c5a5c4aeb14a.ttf.woff2"><link rel="stylesheet" href="../../static.files/normalize-76eba96aa4d2e634.css"><link rel="stylesheet" href="../../static.files/rustdoc-fa3bb1812debf86c.css"><meta name="rustdoc-vars" data-root-path="../../" data-static-root-path="../../static.files/" data-current-crate="os" data-themes="" data-resource-suffix="" data-rustdoc-version="1.75.0-nightly (bf9a1c8a1 2023-10-08)" data-channel="nightly" data-search-js="search-5f5ec5419eadd0c9.js" data-settings-js="settings-74424d7eec62a23e.js" ><script src="../../static.files/storage-fec3eaa3851e447d.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../static.files/main-c5bd66d33317d69f.js"></script><noscript><link rel="stylesheet" href="../../static.files/noscript-5d8b3c7633ad77ba.css"></noscript><link rel="alternate icon" type="image/png" href="../../static.files/favicon-16x16-8b506e7a72182f1c.png"><link rel="alternate icon" type="image/png" href="../../static.files/favicon-32x32-422f7d1d52889060.png"><link rel="icon" type="image/svg+xml" href="../../static.files/favicon-2c020d218678b618.svg"></head><body class="rustdoc struct"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="mobile-topbar"><button class="sidebar-menu-toggle">&#9776;</button><a class="logo-container" href="../../os/index.html"><img class="rust-logo" src="../../static.files/rust-logo-151179464ae7ed46.svg" alt="logo"></a></nav><nav class="sidebar"><a class="logo-container" href="../../os/index.html"><img class="rust-logo" src="../../static.files/rust-logo-151179464ae7ed46.svg" alt="logo"></a><h2 class="location"><a href="#">PageTable</a></h2><div class="sidebar-elems"><section><h3><a href="#fields">Fields</a></h3><ul class="block"><li><a href="#structfield.frames">frames</a></li><li><a href="#structfield.root_ppn">root_ppn</a></li></ul><h3><a href="#implementations">Methods</a></h3><ul class="block"><li><a href="#method.find_pte">find_pte</a></li><li><a href="#method.find_pte_create">find_pte_create</a></li><li><a href="#method.from_token">from_token</a></li><li><a href="#method.map">map</a></li><li><a href="#method.new">new</a></li><li><a href="#method.token">token</a></li><li><a href="#method.translate">translate</a></li><li><a href="#method.translate_va">translate_va</a></li><li><a href="#method.unmap">unmap</a></li></ul><h3><a href="#synthetic-implementations">Auto Trait Implementations</a></h3><ul class="block"><li><a href="#impl-RefUnwindSafe-for-PageTable">RefUnwindSafe</a></li><li><a href="#impl-Send-for-PageTable">Send</a></li><li><a href="#impl-Sync-for-PageTable">Sync</a></li><li><a href="#impl-Unpin-for-PageTable">Unpin</a></li><li><a href="#impl-UnwindSafe-for-PageTable">UnwindSafe</a></li></ul><h3><a href="#blanket-implementations">Blanket Implementations</a></h3><ul class="block"><li><a href="#impl-Any-for-PageTable">Any</a></li><li><a href="#impl-Borrow%3CT%3E-for-PageTable">Borrow&lt;T&gt;</a></li><li><a href="#impl-BorrowMut%3CT%3E-for-PageTable">BorrowMut&lt;T&gt;</a></li><li><a href="#impl-From%3CT%3E-for-PageTable">From&lt;T&gt;</a></li><li><a href="#impl-Into%3CU%3E-for-PageTable">Into&lt;U&gt;</a></li><li><a href="#impl-TryFrom%3CU%3E-for-PageTable">TryFrom&lt;U&gt;</a></li><li><a href="#impl-TryInto%3CU%3E-for-PageTable">TryInto&lt;U&gt;</a></li></ul></section><h2><a href="index.html">In os::mm</a></h2></div></nav><main><div class="width-limiter"><nav class="sub"><form class="search-form"><span></span><input class="search-input" name="search" aria-label="Run search in the documentation" autocomplete="off" spellcheck="false" placeholder="Click or press S to search, ? for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../static.files/wheel-7b819b6101059cd0.svg"></a></div></form></nav><section id="main-content" class="content"><div class="main-heading"><h1>Struct <a href="../index.html">os</a>::<wbr><a href="index.html">mm</a>::<wbr><a class="struct" href="#">PageTable</a><button id="copy-path" title="Copy item path to clipboard"><img src="../../static.files/clipboard-7571035ce49a181d.svg" width="19" height="18" alt="Copy item path"></button></h1><span class="out-of-band"><a class="src" href="../../src/os/mm/page_table.rs.html#66-69">source</a> · <button id="toggle-all-docs" title="collapse all docs">[<span>&#x2212;</span>]</button></span></div><pre class="rust item-decl"><code>pub struct PageTable {
root_ppn: <a class="struct" href="address/struct.PhysPageNum.html" title="struct os::mm::address::PhysPageNum">PhysPageNum</a>,
frames: <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a>&lt;<a class="struct" href="frame_allocator/struct.FrameTracker.html" title="struct os::mm::frame_allocator::FrameTracker">FrameTracker</a>&gt;,
}</code></pre><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Record root ppn and has the same lifetime as 1 and 2 level <code>PageTableEntry</code></p>
</div></details><h2 id="fields" class="fields small-section-header">Fields<a href="#fields" class="anchor">§</a></h2><span id="structfield.root_ppn" class="structfield small-section-header"><a href="#structfield.root_ppn" class="anchor field">§</a><code>root_ppn: <a class="struct" href="address/struct.PhysPageNum.html" title="struct os::mm::address::PhysPageNum">PhysPageNum</a></code></span><span id="structfield.frames" class="structfield small-section-header"><a href="#structfield.frames" class="anchor field">§</a><code>frames: <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a>&lt;<a class="struct" href="frame_allocator/struct.FrameTracker.html" title="struct os::mm::frame_allocator::FrameTracker">FrameTracker</a>&gt;</code></span><h2 id="implementations" class="small-section-header">Implementations<a href="#implementations" class="anchor">§</a></h2><div id="implementations-list"><details class="toggle implementors-toggle" open><summary><section id="impl-PageTable" class="impl"><a class="src rightside" href="../../src/os/mm/page_table.rs.html#72-157">source</a><a href="#impl-PageTable" class="anchor">§</a><h3 class="code-header">impl <a class="struct" href="page_table/struct.PageTable.html" title="struct os::mm::page_table::PageTable">PageTable</a></h3></section></summary><div class="docblock"><p>Assume that it wont oom when creating/mapping.</p>
</div><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.new" class="method"><a class="src rightside" href="../../src/os/mm/page_table.rs.html#74-80">source</a><h4 class="code-header">pub fn <a href="#method.new" class="fn">new</a>() -&gt; Self</h4></section></summary><div class="docblock"><p>Create an empty <code>PageTable</code></p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.from_token" class="method"><a class="src rightside" href="../../src/os/mm/page_table.rs.html#82-87">source</a><h4 class="code-header">pub fn <a href="#method.from_token" class="fn">from_token</a>(satp: <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.usize.html">usize</a>) -&gt; Self</h4></section></summary><div class="docblock"><p>Temporarily used to get arguments from user space.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.find_pte_create" class="method"><a class="src rightside" href="../../src/os/mm/page_table.rs.html#89-107">source</a><h4 class="code-header">fn <a href="#method.find_pte_create" class="fn">find_pte_create</a>(&amp;mut self, vpn: <a class="struct" href="address/struct.VirtPageNum.html" title="struct os::mm::address::VirtPageNum">VirtPageNum</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;&amp;mut <a class="struct" href="page_table/struct.PageTableEntry.html" title="struct os::mm::page_table::PageTableEntry">PageTableEntry</a>&gt;</h4></section></summary><div class="docblock"><p>Find phsical address by virtual address, create a frame if not exist</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.find_pte" class="method"><a class="src rightside" href="../../src/os/mm/page_table.rs.html#109-125">source</a><h4 class="code-header">fn <a href="#method.find_pte" class="fn">find_pte</a>(&amp;self, vpn: <a class="struct" href="address/struct.VirtPageNum.html" title="struct os::mm::address::VirtPageNum">VirtPageNum</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;&amp;mut <a class="struct" href="page_table/struct.PageTableEntry.html" title="struct os::mm::page_table::PageTableEntry">PageTableEntry</a>&gt;</h4></section></summary><div class="docblock"><p>Find phsical address by virtual address</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.map" class="method"><a class="src rightside" href="../../src/os/mm/page_table.rs.html#128-132">source</a><h4 class="code-header">pub fn <a href="#method.map" class="fn">map</a>(&amp;mut self, vpn: <a class="struct" href="address/struct.VirtPageNum.html" title="struct os::mm::address::VirtPageNum">VirtPageNum</a>, ppn: <a class="struct" href="address/struct.PhysPageNum.html" title="struct os::mm::address::PhysPageNum">PhysPageNum</a>, flags: <a class="struct" href="page_table/struct.PTEFlags.html" title="struct os::mm::page_table::PTEFlags">PTEFlags</a>)</h4></section></summary><div class="docblock"><p>Create a mapping form <code>vpn</code> to <code>ppn</code></p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.unmap" class="method"><a class="src rightside" href="../../src/os/mm/page_table.rs.html#135-139">source</a><h4 class="code-header">pub fn <a href="#method.unmap" class="fn">unmap</a>(&amp;mut self, vpn: <a class="struct" href="address/struct.VirtPageNum.html" title="struct os::mm::address::VirtPageNum">VirtPageNum</a>)</h4></section></summary><div class="docblock"><p>Delete a mapping form <code>vpn</code></p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.translate" class="method"><a class="src rightside" href="../../src/os/mm/page_table.rs.html#141-143">source</a><h4 class="code-header">pub fn <a href="#method.translate" class="fn">translate</a>(&amp;self, vpn: <a class="struct" href="address/struct.VirtPageNum.html" title="struct os::mm::address::VirtPageNum">VirtPageNum</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="page_table/struct.PageTableEntry.html" title="struct os::mm::page_table::PageTableEntry">PageTableEntry</a>&gt;</h4></section></summary><div class="docblock"><p>Translate <code>VirtPageNum</code> to <code>PageTableEntry</code></p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.translate_va" class="method"><a class="src rightside" href="../../src/os/mm/page_table.rs.html#145-152">source</a><h4 class="code-header">pub fn <a href="#method.translate_va" class="fn">translate_va</a>(&amp;self, va: <a class="struct" href="address/struct.VirtAddr.html" title="struct os::mm::address::VirtAddr">VirtAddr</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="address/struct.PhysAddr.html" title="struct os::mm::address::PhysAddr">PhysAddr</a>&gt;</h4></section></summary><div class="docblock"><p>Translate <code>VirtAddr</code> to <code>PhysAddr</code></p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.token" class="method"><a class="src rightside" href="../../src/os/mm/page_table.rs.html#154-156">source</a><h4 class="code-header">pub fn <a href="#method.token" class="fn">token</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.usize.html">usize</a></h4></section></summary><div class="docblock"><p>Get root ppn</p>
</div></details></div></details></div><h2 id="synthetic-implementations" class="small-section-header">Auto Trait Implementations<a href="#synthetic-implementations" class="anchor">§</a></h2><div id="synthetic-implementations-list"><section id="impl-RefUnwindSafe-for-PageTable" class="impl"><a href="#impl-RefUnwindSafe-for-PageTable" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/panic/unwind_safe/trait.RefUnwindSafe.html" title="trait core::panic::unwind_safe::RefUnwindSafe">RefUnwindSafe</a> for <a class="struct" href="page_table/struct.PageTable.html" title="struct os::mm::page_table::PageTable">PageTable</a></h3></section><section id="impl-Send-for-PageTable" class="impl"><a href="#impl-Send-for-PageTable" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> for <a class="struct" href="page_table/struct.PageTable.html" title="struct os::mm::page_table::PageTable">PageTable</a></h3></section><section id="impl-Sync-for-PageTable" class="impl"><a href="#impl-Sync-for-PageTable" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> for <a class="struct" href="page_table/struct.PageTable.html" title="struct os::mm::page_table::PageTable">PageTable</a></h3></section><section id="impl-Unpin-for-PageTable" class="impl"><a href="#impl-Unpin-for-PageTable" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a> for <a class="struct" href="page_table/struct.PageTable.html" title="struct os::mm::page_table::PageTable">PageTable</a></h3></section><section id="impl-UnwindSafe-for-PageTable" class="impl"><a href="#impl-UnwindSafe-for-PageTable" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/panic/unwind_safe/trait.UnwindSafe.html" title="trait core::panic::unwind_safe::UnwindSafe">UnwindSafe</a> for <a class="struct" href="page_table/struct.PageTable.html" title="struct os::mm::page_table::PageTable">PageTable</a></h3></section></div><h2 id="blanket-implementations" class="small-section-header">Blanket Implementations<a href="#blanket-implementations" class="anchor">§</a></h2><div id="blanket-implementations-list"><details class="toggle implementors-toggle"><summary><section id="impl-Any-for-PageTable" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/nightly/src/core/any.rs.html#135">source</a><a href="#impl-Any-for-PageTable" class="anchor">§</a><h3 class="code-header">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html" title="trait core::any::Any">Any</a> for T<span class="where fmt-newline">where
T: 'static + ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</span></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.type_id" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/nightly/src/core/any.rs.html#136">source</a><a href="#method.type_id" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id" class="fn">type_id</a>(&amp;self) -&gt; <a class="struct" href="https://doc.rust-lang.org/nightly/core/any/struct.TypeId.html" title="struct core::any::TypeId">TypeId</a></h4></section></summary><div class='docblock'>Gets the <code>TypeId</code> of <code>self</code>. <a href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id">Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-Borrow%3CT%3E-for-PageTable" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#208">source</a><a href="#impl-Borrow%3CT%3E-for-PageTable" class="anchor">§</a><h3 class="code-header">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html" title="trait core::borrow::Borrow">Borrow</a>&lt;T&gt; for T<span class="where fmt-newline">where
T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</span></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.borrow" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#210">source</a><a href="#method.borrow" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html#tymethod.borrow" class="fn">borrow</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.reference.html">&amp;T</a></h4></section></summary><div class='docblock'>Immutably borrows from an owned value. <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html#tymethod.borrow">Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-BorrowMut%3CT%3E-for-PageTable" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#216">source</a><a href="#impl-BorrowMut%3CT%3E-for-PageTable" class="anchor">§</a><h3 class="code-header">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html" title="trait core::borrow::BorrowMut">BorrowMut</a>&lt;T&gt; for T<span class="where fmt-newline">where
T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</span></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.borrow_mut" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#217">source</a><a href="#method.borrow_mut" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut" class="fn">borrow_mut</a>(&amp;mut self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.reference.html">&amp;mut T</a></h4></section></summary><div class='docblock'>Mutably borrows from an owned value. <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut">Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-From%3CT%3E-for-PageTable" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#764">source</a><a href="#impl-From%3CT%3E-for-PageTable" class="anchor">§</a><h3 class="code-header">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a>&lt;T&gt; for T</h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.from" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#767">source</a><a href="#method.from" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html#tymethod.from" class="fn">from</a>(t: T) -&gt; T</h4></section></summary><div class="docblock"><p>Returns the argument unchanged.</p>
</div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-Into%3CU%3E-for-PageTable" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#748">source</a><a href="#impl-Into%3CU%3E-for-PageTable" class="anchor">§</a><h3 class="code-header">impl&lt;T, U&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;U&gt; for T<span class="where fmt-newline">where
U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a>&lt;T&gt;,</span></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.into" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#757">source</a><a href="#method.into" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html#tymethod.into" class="fn">into</a>(self) -&gt; U</h4></section></summary><div class="docblock"><p>Calls <code>U::from(self)</code>.</p>
<p>That is, this conversion is whatever the implementation of
<code><a href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a>&lt;T&gt; for U</code> chooses to do.</p>
</div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-TryFrom%3CU%3E-for-PageTable" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#804">source</a><a href="#impl-TryFrom%3CU%3E-for-PageTable" class="anchor">§</a><h3 class="code-header">impl&lt;T, U&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;U&gt; for T<span class="where fmt-newline">where
U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;T&gt;,</span></h3></section></summary><div class="impl-items"><details class="toggle" open><summary><section id="associatedtype.Error-1" class="associatedtype trait-impl"><a href="#associatedtype.Error-1" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" class="associatedtype">Error</a> = <a class="enum" href="https://doc.rust-lang.org/nightly/core/convert/enum.Infallible.html" title="enum core::convert::Infallible">Infallible</a></h4></section></summary><div class='docblock'>The type returned in the event of a conversion error.</div></details><details class="toggle method-toggle" open><summary><section id="method.try_from" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#811">source</a><a href="#method.try_from" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#tymethod.try_from" class="fn">try_from</a>(value: U) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;T, &lt;T as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;U&gt;&gt;::<a class="associatedtype" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>&gt;</h4></section></summary><div class='docblock'>Performs the conversion.</div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-TryInto%3CU%3E-for-PageTable" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#789">source</a><a href="#impl-TryInto%3CU%3E-for-PageTable" class="anchor">§</a><h3 class="code-header">impl&lt;T, U&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html" title="trait core::convert::TryInto">TryInto</a>&lt;U&gt; for T<span class="where fmt-newline">where
U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;T&gt;,</span></h3></section></summary><div class="impl-items"><details class="toggle" open><summary><section id="associatedtype.Error" class="associatedtype trait-impl"><a href="#associatedtype.Error" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html#associatedtype.Error" class="associatedtype">Error</a> = &lt;U as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;T&gt;&gt;::<a class="associatedtype" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a></h4></section></summary><div class='docblock'>The type returned in the event of a conversion error.</div></details><details class="toggle method-toggle" open><summary><section id="method.try_into" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#796">source</a><a href="#method.try_into" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html#tymethod.try_into" class="fn">try_into</a>(self) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;U, &lt;U as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;T&gt;&gt;::<a class="associatedtype" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>&gt;</h4></section></summary><div class='docblock'>Performs the conversion.</div></details></div></details></div></section></div></main></body></html>