mirror of
https://github.com/edg-l/edlang.git
synced 2024-10-18 15:08:17 +00:00
38 lines
13 KiB
HTML
38 lines
13 KiB
HTML
<!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="Opt-in mutable access to `IndexSet` values."><title>MutableValues in indexmap::set - 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/SourceCodePro-Semibold-d899c5a5c4aeb14a.ttf.woff2"><link rel="stylesheet" href="../../static.files/normalize-76eba96aa4d2e634.css"><link rel="stylesheet" href="../../static.files/rustdoc-5bc39a1768837dd0.css"><meta name="rustdoc-vars" data-root-path="../../" data-static-root-path="../../static.files/" data-current-crate="indexmap" data-themes="" data-resource-suffix="" data-rustdoc-version="1.77.0 (aedd173a2 2024-03-17)" data-channel="1.77.0" data-search-js="search-dd67cee4cfa65049.js" data-settings-js="settings-4313503d2e1961c2.js" ><script src="../../static.files/storage-4c98445ec4002617.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../static.files/main-48f368f3872407c8.js"></script><noscript><link rel="stylesheet" href="../../static.files/noscript-04d5337699b92874.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 trait"><!--[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" title="show sidebar"></button></nav><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../indexmap/index.html">indexmap</a><span class="version">2.2.6</span></h2></div><h2 class="location"><a href="#">MutableValues</a></h2><div class="sidebar-elems"><section><h3><a href="#required-associated-types">Required Associated Types</a></h3><ul class="block"><li><a href="#associatedtype.Value">Value</a></li></ul><h3><a href="#required-methods">Required Methods</a></h3><ul class="block"><li><a href="#tymethod.get_full_mut2">get_full_mut2</a></li><li><a href="#tymethod.get_index_mut2">get_index_mut2</a></li><li><a href="#tymethod.retain2">retain2</a></li></ul><h3><a href="#object-safety">Object Safety</a></h3><h3><a href="#implementors">Implementors</a></h3></section><h2><a href="index.html">In indexmap::set</a></h2></div></nav><div class="sidebar-resizer"></div>
|
||
<main><div class="width-limiter"><nav class="sub"><form class="search-form"><span></span><div id="sidebar-button" tabindex="-1"><a href="../../indexmap/all.html" title="show sidebar"></a></div><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" tabindex="-1"><a href="../../help.html" title="help">?</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>Trait <a href="../index.html">indexmap</a>::<wbr><a href="index.html">set</a>::<wbr><a class="trait" href="#">MutableValues</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/indexmap/set/mutable.rs.html#20-46">source</a> · <button id="toggle-all-docs" title="collapse all docs">[<span>−</span>]</button></span></div><pre class="rust item-decl"><code>pub trait MutableValues: Sealed {
|
||
type <a href="#associatedtype.Value" class="associatedtype">Value</a>;
|
||
|
||
// Required methods
|
||
fn <a href="#tymethod.get_full_mut2" class="fn">get_full_mut2</a><Q>(
|
||
&mut self,
|
||
value: <a class="primitive" href="https://doc.rust-lang.org/1.77.0/std/primitive.reference.html">&Q</a>
|
||
) -> <a class="enum" href="https://doc.rust-lang.org/1.77.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><(<a class="primitive" href="https://doc.rust-lang.org/1.77.0/std/primitive.usize.html">usize</a>, &mut Self::<a class="associatedtype" href="trait.MutableValues.html#associatedtype.Value" title="type indexmap::set::MutableValues::Value">Value</a>)>
|
||
<span class="where">where Q: ?<a class="trait" href="https://doc.rust-lang.org/1.77.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a> + <a class="trait" href="https://doc.rust-lang.org/1.77.0/core/hash/trait.Hash.html" title="trait core::hash::Hash">Hash</a> + <a class="trait" href="../trait.Equivalent.html" title="trait indexmap::Equivalent">Equivalent</a><Self::<a class="associatedtype" href="trait.MutableValues.html#associatedtype.Value" title="type indexmap::set::MutableValues::Value">Value</a>></span>;
|
||
<span class="item-spacer"></span> fn <a href="#tymethod.get_index_mut2" class="fn">get_index_mut2</a>(&mut self, index: <a class="primitive" href="https://doc.rust-lang.org/1.77.0/std/primitive.usize.html">usize</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.77.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><&mut Self::<a class="associatedtype" href="trait.MutableValues.html#associatedtype.Value" title="type indexmap::set::MutableValues::Value">Value</a>>;
|
||
<span class="item-spacer"></span> fn <a href="#tymethod.retain2" class="fn">retain2</a><F>(&mut self, keep: F)
|
||
<span class="where">where F: <a class="trait" href="https://doc.rust-lang.org/1.77.0/core/ops/function/trait.FnMut.html" title="trait core::ops::function::FnMut">FnMut</a>(&mut Self::<a class="associatedtype" href="trait.MutableValues.html#associatedtype.Value" title="type indexmap::set::MutableValues::Value">Value</a>) -> <a class="primitive" href="https://doc.rust-lang.org/1.77.0/std/primitive.bool.html">bool</a></span>;
|
||
}</code></pre><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Opt-in mutable access to <a href="struct.IndexSet.html" title="struct indexmap::set::IndexSet"><code>IndexSet</code></a> values.</p>
|
||
<p>These methods expose <code>&mut T</code>, mutable references to the value as it is stored
|
||
in the set.
|
||
You are allowed to modify the values in the set <strong>if the modification
|
||
does not change the value’s hash and equality</strong>.</p>
|
||
<p>If values are modified erroneously, you can no longer look them up.
|
||
This is sound (memory safe) but a logical error hazard (just like
|
||
implementing <code>PartialEq</code>, <code>Eq</code>, or <code>Hash</code> incorrectly would be).</p>
|
||
<p><code>use</code> this trait to enable its methods for <code>IndexSet</code>.</p>
|
||
<p>This trait is sealed and cannot be implemented for types outside this crate.</p>
|
||
</div></details><h2 id="required-associated-types" class="section-header">Required Associated Types<a href="#required-associated-types" class="anchor">§</a></h2><div class="methods"><section id="associatedtype.Value" class="method"><a class="src rightside" href="../../src/indexmap/set/mutable.rs.html#21">source</a><h4 class="code-header">type <a href="#associatedtype.Value" class="associatedtype">Value</a></h4></section></div><h2 id="required-methods" class="section-header">Required Methods<a href="#required-methods" class="anchor">§</a></h2><div class="methods"><details class="toggle method-toggle" open><summary><section id="tymethod.get_full_mut2" class="method"><a class="src rightside" href="../../src/indexmap/set/mutable.rs.html#26-28">source</a><h4 class="code-header">fn <a href="#tymethod.get_full_mut2" class="fn">get_full_mut2</a><Q>(&mut self, value: <a class="primitive" href="https://doc.rust-lang.org/1.77.0/std/primitive.reference.html">&Q</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.77.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><(<a class="primitive" href="https://doc.rust-lang.org/1.77.0/std/primitive.usize.html">usize</a>, &mut Self::<a class="associatedtype" href="trait.MutableValues.html#associatedtype.Value" title="type indexmap::set::MutableValues::Value">Value</a>)><div class="where">where
|
||
Q: ?<a class="trait" href="https://doc.rust-lang.org/1.77.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a> + <a class="trait" href="https://doc.rust-lang.org/1.77.0/core/hash/trait.Hash.html" title="trait core::hash::Hash">Hash</a> + <a class="trait" href="../trait.Equivalent.html" title="trait indexmap::Equivalent">Equivalent</a><Self::<a class="associatedtype" href="trait.MutableValues.html#associatedtype.Value" title="type indexmap::set::MutableValues::Value">Value</a>>,</div></h4></section></summary><div class="docblock"><p>Return item index and mutable reference to the value</p>
|
||
<p>Computes in <strong>O(1)</strong> time (average).</p>
|
||
</div></details><details class="toggle method-toggle" open><summary><section id="tymethod.get_index_mut2" class="method"><a class="src rightside" href="../../src/indexmap/set/mutable.rs.html#35">source</a><h4 class="code-header">fn <a href="#tymethod.get_index_mut2" class="fn">get_index_mut2</a>(&mut self, index: <a class="primitive" href="https://doc.rust-lang.org/1.77.0/std/primitive.usize.html">usize</a>) -> <a class="enum" href="https://doc.rust-lang.org/1.77.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><&mut Self::<a class="associatedtype" href="trait.MutableValues.html#associatedtype.Value" title="type indexmap::set::MutableValues::Value">Value</a>></h4></section></summary><div class="docblock"><p>Return mutable reference to the value at an index.</p>
|
||
<p>Valid indices are <em>0 <= index < self.len()</em></p>
|
||
<p>Computes in <strong>O(1)</strong> time.</p>
|
||
</div></details><details class="toggle method-toggle" open><summary><section id="tymethod.retain2" class="method"><a class="src rightside" href="../../src/indexmap/set/mutable.rs.html#43-45">source</a><h4 class="code-header">fn <a href="#tymethod.retain2" class="fn">retain2</a><F>(&mut self, keep: F)<div class="where">where
|
||
F: <a class="trait" href="https://doc.rust-lang.org/1.77.0/core/ops/function/trait.FnMut.html" title="trait core::ops::function::FnMut">FnMut</a>(&mut Self::<a class="associatedtype" href="trait.MutableValues.html#associatedtype.Value" title="type indexmap::set::MutableValues::Value">Value</a>) -> <a class="primitive" href="https://doc.rust-lang.org/1.77.0/std/primitive.bool.html">bool</a>,</div></h4></section></summary><div class="docblock"><p>Scan through each value in the set and keep those where the
|
||
closure <code>keep</code> returns <code>true</code>.</p>
|
||
<p>The values are visited in order, and remaining values keep their order.</p>
|
||
<p>Computes in <strong>O(n)</strong> time (average).</p>
|
||
</div></details></div><h2 id="object-safety" class="section-header">Object Safety<a href="#object-safety" class="anchor">§</a></h2><div class="object-safety-info">This trait is <b>not</b> <a href="https://doc.rust-lang.org/1.77.0/reference/items/traits.html#object-safety">object safe</a>.</div><h2 id="implementors" class="section-header">Implementors<a href="#implementors" class="anchor">§</a></h2><div id="implementors-list"><details class="toggle implementors-toggle"><summary><section id="impl-MutableValues-for-IndexSet%3CT,+S%3E" class="impl"><a class="src rightside" href="../../src/indexmap/set/mutable.rs.html#51-80">source</a><a href="#impl-MutableValues-for-IndexSet%3CT,+S%3E" class="anchor">§</a><h3 class="code-header">impl<T, S> <a class="trait" href="trait.MutableValues.html" title="trait indexmap::set::MutableValues">MutableValues</a> for <a class="struct" href="struct.IndexSet.html" title="struct indexmap::set::IndexSet">IndexSet</a><T, S><div class="where">where
|
||
S: <a class="trait" href="https://doc.rust-lang.org/1.77.0/core/hash/trait.BuildHasher.html" title="trait core::hash::BuildHasher">BuildHasher</a>,</div></h3></section></summary><div class="docblock"><p>Opt-in mutable access to <a href="struct.IndexSet.html" title="struct indexmap::set::IndexSet"><code>IndexSet</code></a> values.</p>
|
||
<p>See <a href="trait.MutableValues.html" title="trait indexmap::set::MutableValues"><code>MutableValues</code></a> for more information.</p>
|
||
</div><div class="impl-items"><section id="associatedtype.Value-1" class="associatedtype trait-impl"><a href="#associatedtype.Value-1" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Value" class="associatedtype">Value</a> = T</h4></section></div></details></div><script src="../../trait.impl/indexmap/set/mutable/trait.MutableValues.js" async></script></section></div></main></body></html> |