<!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="API documentation for the Rust `RangeTo` struct in crate `core`."> <meta name="keywords" content="rust, rustlang, rust-lang, RangeTo"> <title>core::ops::RangeTo - Rust</title> <link rel="stylesheet" type="text/css" href="../../normalize.css"> <link rel="stylesheet" type="text/css" href="../../rustdoc.css" id="mainThemeStyle"> <link rel="stylesheet" type="text/css" href="../../dark.css"> <link rel="stylesheet" type="text/css" href="../../main.css" id="themeStyle"> <script src="../../storage.js"></script> <link rel="shortcut icon" href="https://doc.rust-lang.org/favicon.ico"> </head> <body class="rustdoc struct"> <!--[if lte IE 8]> <div class="warning"> This old browser is unsupported and will most likely display funky things. </div> <![endif]--> <nav class="sidebar"> <div class="sidebar-menu">☰</div> <a href='../../core/index.html'><img src='https://www.rust-lang.org/logos/rust-logo-128x128-blk-v2.png' alt='logo' width='100'></a> <p class='location'>Struct RangeTo</p><div class="sidebar-elems"><div class="block items"><a class="sidebar-title" href="#fields">Fields</a><div class="sidebar-links"><a href="#structfield.end">end</a></div><a class="sidebar-title" href="#methods">Methods</a><div class="sidebar-links"><a href="#method.contains">contains</a></div><a class="sidebar-title" href="#implementations">Trait Implementations</a><div class="sidebar-links"><a href="#impl-Copy">Copy</a><a href="#impl-Clone">Clone</a><a href="#impl-PartialEq">PartialEq</a><a href="#impl-Eq">Eq</a><a href="#impl-Hash">Hash</a><a href="#impl-Debug">Debug</a><a href="#impl-SliceIndex%3C%5BT%5D%3E">SliceIndex<[T]></a><a href="#impl-Index%3CRangeTo%3Cusize%3E%3E">Index<RangeTo<usize>></a><a href="#impl-IndexMut%3CRangeTo%3Cusize%3E%3E">IndexMut<RangeTo<usize>></a><a href="#impl-SliceIndex%3Cstr%3E">SliceIndex<str></a></div></div><p class='location'><a href='../index.html'>core</a>::<wbr><a href='index.html'>ops</a></p><script>window.sidebarCurrent = {name: 'RangeTo', ty: 'struct', relpath: ''};</script><script defer src="sidebar-items.js"></script></div> </nav> <div class="theme-picker"> <button id="theme-picker" aria-label="Pick another theme!"> <img src="../../brush.svg" width="18" alt="Pick another theme!"> </button> <div id="theme-choices"></div> </div> <script src="../../theme.js"></script> <nav class="sub"> <form class="search-form js-only"> <div class="search-container"> <input class="search-input" name="search" autocomplete="off" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"> </div> </form> </nav> <section id='main' class="content"> <h1 class='fqn'><span class='in-band'>Struct <a href='../index.html'>core</a>::<wbr><a href='index.html'>ops</a>::<wbr><a class="struct" href=''>RangeTo</a></span><span class='out-of-band'><span class='since' title='Stable since Rust version 1.0.0'>1.0.0</span><span id='render-detail'> <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs"> [<span class='inner'>−</span>] </a> </span><a class='srclink' href='../../src/core/ops/range.rs.html#213-217' title='goto source code'>[src]</a></span></h1> <pre class='rust struct'>pub struct RangeTo<Idx> { pub end: Idx, }</pre><div class='docblock'><p>A range only bounded exclusively above (<code>..end</code>).</p> <p>The <code>RangeTo</code> <code>..end</code> contains all values with <code>x < end</code>. It cannot serve as an <a href="../iter/trait.IntoIterator.html"><code>Iterator</code></a> because it doesn't have a starting point.</p> <h1 id="examples" class="section-header"><a href="#examples">Examples</a></h1> <p>The <code>..end</code> syntax is a <code>RangeTo</code>:</p> <pre class="rust rust-example-rendered"> <span class="macro">assert_eq</span><span class="macro">!</span>((..<span class="number">5</span>), <span class="ident">std</span>::<span class="ident">ops</span>::<span class="ident">RangeTo</span> { <span class="ident">end</span>: <span class="number">5</span> });<a class="test-arrow" target="_blank" href="https://play.rust-lang.org/?code=%23!%5Ballow(unused)%5D%0Afn%20main()%20%7B%0Aassert_eq!((..5)%2C%20std%3A%3Aops%3A%3ARangeTo%20%7B%20end%3A%205%20%7D)%3B%0A%7D">Run</a></pre> <p>It does not have an <a href="../iter/trait.Iterator.html"><code>IntoIterator</code></a> implementation, so you can't use it in a <code>for</code> loop directly. This won't compile:</p> <div class='information'><div class='tooltip compile_fail'>ⓘ<span class='tooltiptext'>This example deliberately fails to compile</span></div></div><pre class="rust rust-example-rendered compile_fail"> <span class="comment">// error[E0277]: the trait bound `std::ops::RangeTo<{integer}>:</span> <span class="comment">// std::iter::Iterator` is not satisfied</span> <span class="kw">for</span> <span class="ident">i</span> <span class="kw">in</span> ..<span class="number">5</span> { <span class="comment">// ...</span> }<a class="test-arrow" target="_blank" href="https://play.rust-lang.org/?code=%23!%5Ballow(unused)%5D%0Afn%20main()%20%7B%0A%2F%2F%20error%5BE0277%5D%3A%20the%20trait%20bound%20%60std%3A%3Aops%3A%3ARangeTo%3C%7Binteger%7D%3E%3A%0A%2F%2F%20std%3A%3Aiter%3A%3AIterator%60%20is%20not%20satisfied%0Afor%20i%20in%20..5%20%7B%0A%20%20%20%20%2F%2F%20...%0A%7D%0A%7D">Run</a></pre> <p>When used as a <a href="../slice/trait.SliceIndex.html">slicing index</a>, <code>RangeTo</code> produces a slice of all array elements before the index indicated by <code>end</code>.</p> <pre class="rust rust-example-rendered"> <span class="kw">let</span> <span class="ident">arr</span> <span class="op">=</span> [<span class="number">0</span>, <span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>]; <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">arr</span>[ .. ], [<span class="number">0</span>,<span class="number">1</span>,<span class="number">2</span>,<span class="number">3</span>]); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">arr</span>[ ..<span class="number">3</span>], [<span class="number">0</span>,<span class="number">1</span>,<span class="number">2</span> ]); <span class="comment">// RangeTo</span> <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">arr</span>[<span class="number">1</span>.. ], [ <span class="number">1</span>,<span class="number">2</span>,<span class="number">3</span>]); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">arr</span>[<span class="number">1</span>..<span class="number">3</span>], [ <span class="number">1</span>,<span class="number">2</span> ]);<a class="test-arrow" target="_blank" href="https://play.rust-lang.org/?code=%23!%5Ballow(unused)%5D%0Afn%20main()%20%7B%0Alet%20arr%20%3D%20%5B0%2C%201%2C%202%2C%203%5D%3B%0Aassert_eq!(arr%5B%20..%20%5D%2C%20%5B0%2C1%2C2%2C3%5D)%3B%0Aassert_eq!(arr%5B%20..3%5D%2C%20%5B0%2C1%2C2%20%20%5D)%3B%20%20%2F%2F%20RangeTo%0Aassert_eq!(arr%5B1..%20%5D%2C%20%5B%20%201%2C2%2C3%5D)%3B%0Aassert_eq!(arr%5B1..3%5D%2C%20%5B%20%201%2C2%20%20%5D)%3B%0A%7D">Run</a></pre> </div><h2 id='fields' class='fields small-section-header'> Fields<a href='#fields' class='anchor'></a></h2><span id="structfield.end" class="structfield small-section-header"> <a href="#structfield.end" class="anchor field"></a> <span id="end.v" class='invisible'> <code>end: Idx</code> </span></span><div class='docblock'><p>The upper bound of the range (exclusive).</p> </div> <h2 id='methods' class='small-section-header'> Methods<a href='#methods' class='anchor'></a> </h2> <h3 id='impl' class='impl'><span class='in-band'><code>impl<Idx: <a class="trait" href="../../core/cmp/trait.PartialOrd.html" title="trait core::cmp::PartialOrd">PartialOrd</a><Idx>> <a class="struct" href="../../core/ops/struct.RangeTo.html" title="struct core::ops::RangeTo">RangeTo</a><Idx></code><a href='#impl' class='anchor'></a></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/core/ops/range.rs.html#227-242' title='goto source code'>[src]</a></span></h3> <div class='impl-items'><h4 id='method.contains' class="method"><span id='contains.v' class='invisible'><code>pub fn <a href='#method.contains' class='fnname'>contains</a>(&self, item: Idx) -> bool</code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/core/ops/range.rs.html#239-241' title='goto source code'>[src]</a></span></h4> <div class='stability'><div class='stab unstable'><details><summary><span class=microscope>🔬</span> This is a nightly-only experimental API. (<code>range_contains </code><a href="https://github.com/rust-lang/rust/issues/32311">#32311</a>)</summary><p>recently added as per RFC</p> </details></div></div><div class='docblock'><p>Returns <code>true</code> if <code>item</code> is contained in the range.</p> <h1 id="examples-1" class="section-header"><a href="#examples-1">Examples</a></h1> <pre class="rust rust-example-rendered"> <span class="attribute">#![<span class="ident">feature</span>(<span class="ident">range_contains</span>)]</span> <span class="macro">assert</span><span class="macro">!</span>( (..<span class="number">5</span>).<span class="ident">contains</span>(<span class="op">-</span><span class="number">1_000_000_000</span>)); <span class="macro">assert</span><span class="macro">!</span>( (..<span class="number">5</span>).<span class="ident">contains</span>(<span class="number">4</span>)); <span class="macro">assert</span><span class="macro">!</span>(<span class="op">!</span>(..<span class="number">5</span>).<span class="ident">contains</span>(<span class="number">5</span>));<a class="test-arrow" target="_blank" href="https://play.rust-lang.org/?code=%23!%5Ballow(unused)%5D%0A%23!%5Bfeature(range_contains)%5D%0A%0Afn%20main()%20%7B%0Aassert!(%20(..5).contains(-1_000_000_000))%3B%0Aassert!(%20(..5).contains(4))%3B%0Aassert!(!(..5).contains(5))%3B%0A%7D&version=nightly">Run</a></pre> </div></div> <h2 id='implementations' class='small-section-header'> Trait Implementations<a href='#implementations' class='anchor'></a> </h2> <h3 id='impl-Copy' class='impl'><span class='in-band'><code>impl<Idx: <a class="trait" href="../../core/marker/trait.Copy.html" title="trait core::marker::Copy">Copy</a>> <a class="trait" href="../../core/marker/trait.Copy.html" title="trait core::marker::Copy">Copy</a> for <a class="struct" href="../../core/ops/struct.RangeTo.html" title="struct core::ops::RangeTo">RangeTo</a><Idx></code><a href='#impl-Copy' class='anchor'></a></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/core/ops/range.rs.html#211' title='goto source code'>[src]</a></span></h3> <div class='impl-items'></div><h3 id='impl-Clone' class='impl'><span class='in-band'><code>impl<Idx: <a class="trait" href="../../core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a>> <a class="trait" href="../../core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a> for <a class="struct" href="../../core/ops/struct.RangeTo.html" title="struct core::ops::RangeTo">RangeTo</a><Idx></code><a href='#impl-Clone' class='anchor'></a></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/core/ops/range.rs.html#211' title='goto source code'>[src]</a></span></h3> <div class='impl-items'><h4 id='method.clone' class="method"><span id='clone.v' class='invisible'><code>fn <a href='../../core/clone/trait.Clone.html#tymethod.clone' class='fnname'>clone</a>(&self) -> <a class="struct" href="../../core/ops/struct.RangeTo.html" title="struct core::ops::RangeTo">RangeTo</a><Idx></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/core/ops/range.rs.html#211' title='goto source code'>[src]</a></span></h4> <div class='docblock'><p>Returns a copy of the value. <a href="../../core/clone/trait.Clone.html#tymethod.clone">Read more</a></p> </div><h4 id='method.clone_from' class="method"><span id='clone_from.v' class='invisible'><code>fn <a href='../../core/clone/trait.Clone.html#method.clone_from' class='fnname'>clone_from</a>(&mut self, source: &Self)</code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/core/clone.rs.html#112-114' title='goto source code'>[src]</a></span></h4> <div class='docblock'><p>Performs copy-assignment from <code>source</code>. <a href="../../core/clone/trait.Clone.html#method.clone_from">Read more</a></p> </div></div><h3 id='impl-PartialEq' class='impl'><span class='in-band'><code>impl<Idx: <a class="trait" href="../../core/cmp/trait.PartialEq.html" title="trait core::cmp::PartialEq">PartialEq</a>> <a class="trait" href="../../core/cmp/trait.PartialEq.html" title="trait core::cmp::PartialEq">PartialEq</a> for <a class="struct" href="../../core/ops/struct.RangeTo.html" title="struct core::ops::RangeTo">RangeTo</a><Idx></code><a href='#impl-PartialEq' class='anchor'></a></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/core/ops/range.rs.html#211' title='goto source code'>[src]</a></span></h3> <div class='impl-items'><h4 id='method.eq' class="method"><span id='eq.v' class='invisible'><code>fn <a href='../../core/cmp/trait.PartialEq.html#tymethod.eq' class='fnname'>eq</a>(&self, __arg_0: &<a class="struct" href="../../core/ops/struct.RangeTo.html" title="struct core::ops::RangeTo">RangeTo</a><Idx>) -> bool</code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/core/ops/range.rs.html#211' title='goto source code'>[src]</a></span></h4> <div class='docblock'><p>This method tests for <code>self</code> and <code>other</code> values to be equal, and is used by <code>==</code>. <a href="../../core/cmp/trait.PartialEq.html#tymethod.eq">Read more</a></p> </div><h4 id='method.ne' class="method"><span id='ne.v' class='invisible'><code>fn <a href='../../core/cmp/trait.PartialEq.html#method.ne' class='fnname'>ne</a>(&self, __arg_0: &<a class="struct" href="../../core/ops/struct.RangeTo.html" title="struct core::ops::RangeTo">RangeTo</a><Idx>) -> bool</code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/core/ops/range.rs.html#211' title='goto source code'>[src]</a></span></h4> <div class='docblock'><p>This method tests for <code>!=</code>.</p> </div></div><h3 id='impl-Eq' class='impl'><span class='in-band'><code>impl<Idx: <a class="trait" href="../../core/cmp/trait.Eq.html" title="trait core::cmp::Eq">Eq</a>> <a class="trait" href="../../core/cmp/trait.Eq.html" title="trait core::cmp::Eq">Eq</a> for <a class="struct" href="../../core/ops/struct.RangeTo.html" title="struct core::ops::RangeTo">RangeTo</a><Idx></code><a href='#impl-Eq' class='anchor'></a></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/core/ops/range.rs.html#211' title='goto source code'>[src]</a></span></h3> <div class='impl-items'></div><h3 id='impl-Hash' class='impl'><span class='in-band'><code>impl<Idx: <a class="trait" href="../../core/hash/trait.Hash.html" title="trait core::hash::Hash">Hash</a>> <a class="trait" href="../../core/hash/trait.Hash.html" title="trait core::hash::Hash">Hash</a> for <a class="struct" href="../../core/ops/struct.RangeTo.html" title="struct core::ops::RangeTo">RangeTo</a><Idx></code><a href='#impl-Hash' class='anchor'></a></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/core/ops/range.rs.html#211' title='goto source code'>[src]</a></span></h3> <div class='impl-items'><h4 id='method.hash' class="method"><span id='hash.v' class='invisible'><code>fn <a href='../../core/hash/trait.Hash.html#tymethod.hash' class='fnname'>hash</a><__HIdx: <a class="trait" href="../../core/hash/trait.Hasher.html" title="trait core::hash::Hasher">Hasher</a>>(&self, __arg_0: &mut __HIdx)</code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/core/ops/range.rs.html#211' title='goto source code'>[src]</a></span></h4> <div class='docblock'><p>Feeds this value into the given [<code>Hasher</code>]. <a href="../../core/hash/trait.Hash.html#tymethod.hash">Read more</a></p> </div><h4 id='method.hash_slice' class="method"><span id='hash_slice.v' class='invisible'><code>fn <a href='../../core/hash/trait.Hash.html#method.hash_slice' class='fnname'>hash_slice</a><H: <a class="trait" href="../../core/hash/trait.Hasher.html" title="trait core::hash::Hasher">Hasher</a>>(data: &[Self], state: &mut H) <span class="where fmt-newline">where<br> Self: <a class="trait" href="../../core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code></span><span class='out-of-band'><div class='ghost'></div><div class='since' title='Stable since Rust version 1.3.0'>1.3.0</div><a class='srclink' href='../../src/core/hash/mod.rs.html#202-208' title='goto source code'>[src]</a></span></h4> <div class='docblock'><p>Feeds a slice of this type into the given [<code>Hasher</code>]. <a href="../../core/hash/trait.Hash.html#method.hash_slice">Read more</a></p> </div></div><h3 id='impl-Debug' class='impl'><span class='in-band'><code>impl<Idx: <a class="trait" href="../../core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a>> <a class="trait" href="../../core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a> for <a class="struct" href="../../core/ops/struct.RangeTo.html" title="struct core::ops::RangeTo">RangeTo</a><Idx></code><a href='#impl-Debug' class='anchor'></a></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/core/ops/range.rs.html#220-224' title='goto source code'>[src]</a></span></h3> <div class='impl-items'><h4 id='method.fmt' class="method"><span id='fmt.v' class='invisible'><code>fn <a href='../../core/fmt/trait.Debug.html#tymethod.fmt' class='fnname'>fmt</a>(&self, fmt: &mut <a class="struct" href="../../core/fmt/struct.Formatter.html" title="struct core::fmt::Formatter">Formatter</a>) -> <a class="type" href="../../core/fmt/type.Result.html" title="type core::fmt::Result">Result</a></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/core/ops/range.rs.html#221-223' title='goto source code'>[src]</a></span></h4> <div class='docblock'><p>Formats the value using the given formatter. <a href="../../core/fmt/trait.Debug.html#tymethod.fmt">Read more</a></p> </div></div><h3 id='impl-SliceIndex%3C%5BT%5D%3E' class='impl'><span class='in-band'><code>impl<T> <a class="trait" href="../../core/slice/trait.SliceIndex.html" title="trait core::slice::SliceIndex">SliceIndex</a><[T]> for <a class="struct" href="../../core/ops/struct.RangeTo.html" title="struct core::ops::RangeTo">RangeTo</a><usize></code><a href='#impl-SliceIndex%3C%5BT%5D%3E' class='anchor'></a></span><span class='out-of-band'><div class='ghost'></div><div class='since' title='Stable since Rust version 1.15.0'>1.15.0</div><a class='srclink' href='../../src/core/slice/mod.rs.html#937-969' title='goto source code'>[src]</a></span></h3> <div class='impl-items'><h4 id='associatedtype.Output' class="type"><span id='Output.t' class='invisible'><code>type <a href='../../core/slice/trait.SliceIndex.html#associatedtype.Output' class="type">Output</a> = [T]</code></span></h4> <div class='stability'><div class='stab unstable'><span class=microscope>🔬</span> This is a nightly-only experimental API. (<code>slice_get_slice </code><a href="https://github.com/rust-lang/rust/issues/35729">#35729</a>)</div></div><div class='docblock'><p>The output type returned by methods.</p> </div><h4 id='method.get' class="method"><span id='get.v' class='invisible'><code>fn <a href='../../core/slice/trait.SliceIndex.html#tymethod.get' class='fnname'>get</a>(self, slice: &[T]) -> <a class="enum" href="../../core/option/enum.Option.html" title="enum core::option::Option">Option</a><&[T]></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/core/slice/mod.rs.html#941-943' title='goto source code'>[src]</a></span></h4> <div class='stability'><div class='stab unstable'><span class=microscope>🔬</span> This is a nightly-only experimental API. (<code>slice_get_slice </code><a href="https://github.com/rust-lang/rust/issues/35729">#35729</a>)</div></div><div class='docblock'><p>Returns a shared reference to the output at this location, if in bounds. <a href="../../core/slice/trait.SliceIndex.html#tymethod.get">Read more</a></p> </div><h4 id='method.get_mut' class="method"><span id='get_mut.v' class='invisible'><code>fn <a href='../../core/slice/trait.SliceIndex.html#tymethod.get_mut' class='fnname'>get_mut</a>(self, slice: &mut [T]) -> <a class="enum" href="../../core/option/enum.Option.html" title="enum core::option::Option">Option</a><&mut [T]></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/core/slice/mod.rs.html#946-948' title='goto source code'>[src]</a></span></h4> <div class='stability'><div class='stab unstable'><span class=microscope>🔬</span> This is a nightly-only experimental API. (<code>slice_get_slice </code><a href="https://github.com/rust-lang/rust/issues/35729">#35729</a>)</div></div><div class='docblock'><p>Returns a mutable reference to the output at this location, if in bounds. <a href="../../core/slice/trait.SliceIndex.html#tymethod.get_mut">Read more</a></p> </div><h4 id='method.get_unchecked' class="method"><span id='get_unchecked.v' class='invisible'><code>unsafe fn <a href='../../core/slice/trait.SliceIndex.html#tymethod.get_unchecked' class='fnname'>get_unchecked</a>(self, slice: &[T]) -> &[T]</code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/core/slice/mod.rs.html#951-953' title='goto source code'>[src]</a></span></h4> <div class='stability'><div class='stab unstable'><span class=microscope>🔬</span> This is a nightly-only experimental API. (<code>slice_get_slice </code><a href="https://github.com/rust-lang/rust/issues/35729">#35729</a>)</div></div><div class='docblock'><p>Returns a shared reference to the output at this location, without performing any bounds checking. <a href="../../core/slice/trait.SliceIndex.html#tymethod.get_unchecked">Read more</a></p> </div><h4 id='method.get_unchecked_mut' class="method"><span id='get_unchecked_mut.v' class='invisible'><code>unsafe fn <a href='../../core/slice/trait.SliceIndex.html#tymethod.get_unchecked_mut' class='fnname'>get_unchecked_mut</a>(self, slice: &mut [T]) -> &mut [T]</code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/core/slice/mod.rs.html#956-958' title='goto source code'>[src]</a></span></h4> <div class='stability'><div class='stab unstable'><span class=microscope>🔬</span> This is a nightly-only experimental API. (<code>slice_get_slice </code><a href="https://github.com/rust-lang/rust/issues/35729">#35729</a>)</div></div><div class='docblock'><p>Returns a mutable reference to the output at this location, without performing any bounds checking. <a href="../../core/slice/trait.SliceIndex.html#tymethod.get_unchecked_mut">Read more</a></p> </div><h4 id='method.index' class="method"><span id='index.v' class='invisible'><code>fn <a href='../../core/slice/trait.SliceIndex.html#tymethod.index' class='fnname'>index</a>(self, slice: &[T]) -> &[T]</code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/core/slice/mod.rs.html#961-963' title='goto source code'>[src]</a></span></h4> <div class='stability'><div class='stab unstable'><span class=microscope>🔬</span> This is a nightly-only experimental API. (<code>slice_get_slice </code><a href="https://github.com/rust-lang/rust/issues/35729">#35729</a>)</div></div><div class='docblock'><p>Returns a shared reference to the output at this location, panicking if out of bounds. <a href="../../core/slice/trait.SliceIndex.html#tymethod.index">Read more</a></p> </div><h4 id='method.index_mut' class="method"><span id='index_mut.v' class='invisible'><code>fn <a href='../../core/slice/trait.SliceIndex.html#tymethod.index_mut' class='fnname'>index_mut</a>(self, slice: &mut [T]) -> &mut [T]</code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/core/slice/mod.rs.html#966-968' title='goto source code'>[src]</a></span></h4> <div class='stability'><div class='stab unstable'><span class=microscope>🔬</span> This is a nightly-only experimental API. (<code>slice_get_slice </code><a href="https://github.com/rust-lang/rust/issues/35729">#35729</a>)</div></div><div class='docblock'><p>Returns a mutable reference to the output at this location, panicking if out of bounds. <a href="../../core/slice/trait.SliceIndex.html#tymethod.index_mut">Read more</a></p> </div></div><h3 id='impl-Index%3CRangeTo%3Cusize%3E%3E' class='impl'><span class='in-band'><code>impl <a class="trait" href="../../core/ops/trait.Index.html" title="trait core::ops::Index">Index</a><<a class="struct" href="../../core/ops/struct.RangeTo.html" title="struct core::ops::RangeTo">RangeTo</a><usize>> for str</code><a href='#impl-Index%3CRangeTo%3Cusize%3E%3E' class='anchor'></a></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/core/str/mod.rs.html#1699-1706' title='goto source code'>[src]</a></span></h3> <div class='docblock'><p>Implements substring slicing with syntax <code>&self[.. end]</code>.</p> <p>Returns a slice of the string from the beginning to byte offset <code>end</code>.</p> <p>Equivalent to <code>&self[0 .. end]</code>.</p> </div><div class='impl-items'><h4 id='associatedtype.Output-1' class="type"><span id='Output.t-1' class='invisible'><code>type <a href='../../core/ops/trait.Index.html#associatedtype.Output' class="type">Output</a> = str</code></span></h4> <div class='docblock'><p>The returned type after indexing.</p> </div><h4 id='method.index-1' class="method"><span id='index.v-1' class='invisible'><code>fn <a href='../../core/ops/trait.Index.html#tymethod.index' class='fnname'>index</a>(&self, index: <a class="struct" href="../../core/ops/struct.RangeTo.html" title="struct core::ops::RangeTo">RangeTo</a><usize>) -> &str</code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/core/str/mod.rs.html#1703-1705' title='goto source code'>[src]</a></span></h4> <div class='docblock'><p>Performs the indexing (<code>container[index]</code>) operation.</p> </div></div><h3 id='impl-IndexMut%3CRangeTo%3Cusize%3E%3E' class='impl'><span class='in-band'><code>impl <a class="trait" href="../../core/ops/trait.IndexMut.html" title="trait core::ops::IndexMut">IndexMut</a><<a class="struct" href="../../core/ops/struct.RangeTo.html" title="struct core::ops::RangeTo">RangeTo</a><usize>> for str</code><a href='#impl-IndexMut%3CRangeTo%3Cusize%3E%3E' class='anchor'></a></span><span class='out-of-band'><div class='ghost'></div><div class='since' title='Stable since Rust version 1.3.0'>1.3.0</div><a class='srclink' href='../../src/core/str/mod.rs.html#1715-1720' title='goto source code'>[src]</a></span></h3> <div class='docblock'><p>Implements mutable substring slicing with syntax <code>&mut self[.. end]</code>.</p> <p>Returns a mutable slice of the string from the beginning to byte offset <code>end</code>.</p> <p>Equivalent to <code>&mut self[0 .. end]</code>.</p> </div><div class='impl-items'><h4 id='method.index_mut-1' class="method"><span id='index_mut.v-1' class='invisible'><code>fn <a href='../../core/ops/trait.IndexMut.html#tymethod.index_mut' class='fnname'>index_mut</a>(&mut self, index: <a class="struct" href="../../core/ops/struct.RangeTo.html" title="struct core::ops::RangeTo">RangeTo</a><usize>) -> &mut str</code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/core/str/mod.rs.html#1717-1719' title='goto source code'>[src]</a></span></h4> <div class='docblock'><p>Performs the mutable indexing (<code>container[index]</code>) operation.</p> </div></div><h3 id='impl-SliceIndex%3Cstr%3E' class='impl'><span class='in-band'><code>impl <a class="trait" href="../../core/slice/trait.SliceIndex.html" title="trait core::slice::SliceIndex">SliceIndex</a><str> for <a class="struct" href="../../core/ops/struct.RangeTo.html" title="struct core::ops::RangeTo">RangeTo</a><usize></code><a href='#impl-SliceIndex%3Cstr%3E' class='anchor'></a></span><span class='out-of-band'><div class='ghost'></div><div class='since' title='Stable since Rust version 1.20.0'>1.20.0</div><a class='srclink' href='../../src/core/str/mod.rs.html#1909-1951' title='goto source code'>[src]</a></span></h3> <div class='impl-items'><h4 id='associatedtype.Output-2' class="type"><span id='Output.t-2' class='invisible'><code>type <a href='../../core/slice/trait.SliceIndex.html#associatedtype.Output' class="type">Output</a> = str</code></span></h4> <div class='stability'><div class='stab unstable'><span class=microscope>🔬</span> This is a nightly-only experimental API. (<code>slice_get_slice </code><a href="https://github.com/rust-lang/rust/issues/35729">#35729</a>)</div></div><div class='docblock'><p>The output type returned by methods.</p> </div><h4 id='method.get-1' class="method"><span id='get.v-1' class='invisible'><code>fn <a href='../../core/slice/trait.SliceIndex.html#tymethod.get' class='fnname'>get</a>(self, slice: &str) -> <a class="enum" href="../../core/option/enum.Option.html" title="enum core::option::Option">Option</a><&Self::<a class="type" href="../../core/slice/trait.SliceIndex.html#associatedtype.Output" title="type core::slice::SliceIndex::Output">Output</a>></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/core/str/mod.rs.html#1912-1918' title='goto source code'>[src]</a></span></h4> <div class='stability'><div class='stab unstable'><span class=microscope>🔬</span> This is a nightly-only experimental API. (<code>slice_get_slice </code><a href="https://github.com/rust-lang/rust/issues/35729">#35729</a>)</div></div><div class='docblock'><p>Returns a shared reference to the output at this location, if in bounds. <a href="../../core/slice/trait.SliceIndex.html#tymethod.get">Read more</a></p> </div><h4 id='method.get_mut-1' class="method"><span id='get_mut.v-1' class='invisible'><code>fn <a href='../../core/slice/trait.SliceIndex.html#tymethod.get_mut' class='fnname'>get_mut</a>(self, slice: &mut str) -> <a class="enum" href="../../core/option/enum.Option.html" title="enum core::option::Option">Option</a><&mut Self::<a class="type" href="../../core/slice/trait.SliceIndex.html#associatedtype.Output" title="type core::slice::SliceIndex::Output">Output</a>></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/core/str/mod.rs.html#1920-1926' title='goto source code'>[src]</a></span></h4> <div class='stability'><div class='stab unstable'><span class=microscope>🔬</span> This is a nightly-only experimental API. (<code>slice_get_slice </code><a href="https://github.com/rust-lang/rust/issues/35729">#35729</a>)</div></div><div class='docblock'><p>Returns a mutable reference to the output at this location, if in bounds. <a href="../../core/slice/trait.SliceIndex.html#tymethod.get_mut">Read more</a></p> </div><h4 id='method.get_unchecked-1' class="method"><span id='get_unchecked.v-1' class='invisible'><code>unsafe fn <a href='../../core/slice/trait.SliceIndex.html#tymethod.get_unchecked' class='fnname'>get_unchecked</a>(self, slice: &str) -> &Self::<a class="type" href="../../core/slice/trait.SliceIndex.html#associatedtype.Output" title="type core::slice::SliceIndex::Output">Output</a></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/core/str/mod.rs.html#1928-1931' title='goto source code'>[src]</a></span></h4> <div class='stability'><div class='stab unstable'><span class=microscope>🔬</span> This is a nightly-only experimental API. (<code>slice_get_slice </code><a href="https://github.com/rust-lang/rust/issues/35729">#35729</a>)</div></div><div class='docblock'><p>Returns a shared reference to the output at this location, without performing any bounds checking. <a href="../../core/slice/trait.SliceIndex.html#tymethod.get_unchecked">Read more</a></p> </div><h4 id='method.get_unchecked_mut-1' class="method"><span id='get_unchecked_mut.v-1' class='invisible'><code>unsafe fn <a href='../../core/slice/trait.SliceIndex.html#tymethod.get_unchecked_mut' class='fnname'>get_unchecked_mut</a>(self, slice: &mut str) -> &mut Self::<a class="type" href="../../core/slice/trait.SliceIndex.html#associatedtype.Output" title="type core::slice::SliceIndex::Output">Output</a></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/core/str/mod.rs.html#1933-1936' title='goto source code'>[src]</a></span></h4> <div class='stability'><div class='stab unstable'><span class=microscope>🔬</span> This is a nightly-only experimental API. (<code>slice_get_slice </code><a href="https://github.com/rust-lang/rust/issues/35729">#35729</a>)</div></div><div class='docblock'><p>Returns a mutable reference to the output at this location, without performing any bounds checking. <a href="../../core/slice/trait.SliceIndex.html#tymethod.get_unchecked_mut">Read more</a></p> </div><h4 id='method.index-2' class="method"><span id='index.v-2' class='invisible'><code>fn <a href='../../core/slice/trait.SliceIndex.html#tymethod.index' class='fnname'>index</a>(self, slice: &str) -> &Self::<a class="type" href="../../core/slice/trait.SliceIndex.html#associatedtype.Output" title="type core::slice::SliceIndex::Output">Output</a></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/core/str/mod.rs.html#1938-1941' title='goto source code'>[src]</a></span></h4> <div class='stability'><div class='stab unstable'><span class=microscope>🔬</span> This is a nightly-only experimental API. (<code>slice_get_slice </code><a href="https://github.com/rust-lang/rust/issues/35729">#35729</a>)</div></div><div class='docblock'><p>Returns a shared reference to the output at this location, panicking if out of bounds. <a href="../../core/slice/trait.SliceIndex.html#tymethod.index">Read more</a></p> </div><h4 id='method.index_mut-2' class="method"><span id='index_mut.v-2' class='invisible'><code>fn <a href='../../core/slice/trait.SliceIndex.html#tymethod.index_mut' class='fnname'>index_mut</a>(self, slice: &mut str) -> &mut Self::<a class="type" href="../../core/slice/trait.SliceIndex.html#associatedtype.Output" title="type core::slice::SliceIndex::Output">Output</a></code></span><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../src/core/str/mod.rs.html#1943-1950' title='goto source code'>[src]</a></span></h4> <div class='stability'><div class='stab unstable'><span class=microscope>🔬</span> This is a nightly-only experimental API. (<code>slice_get_slice </code><a href="https://github.com/rust-lang/rust/issues/35729">#35729</a>)</div></div><div class='docblock'><p>Returns a mutable reference to the output at this location, panicking if out of bounds. <a href="../../core/slice/trait.SliceIndex.html#tymethod.index_mut">Read more</a></p> </div></div></section> <section id='search' class="content hidden"></section> <section class="footer"></section> <aside id="help" class="hidden"> <div> <h1 class="hidden">Help</h1> <div class="shortcuts"> <h2>Keyboard Shortcuts</h2> <dl> <dt><kbd>?</kbd></dt> <dd>Show this help dialog</dd> <dt><kbd>S</kbd></dt> <dd>Focus the search field</dd> <dt><kbd>↑</kbd></dt> <dd>Move up in search results</dd> <dt><kbd>↓</kbd></dt> <dd>Move down in search results</dd> <dt><kbd>↹</kbd></dt> <dd>Switch tab</dd> <dt><kbd>⏎</kbd></dt> <dd>Go to active search result</dd> <dt><kbd>+</kbd></dt> <dd>Expand all sections</dd> <dt><kbd>-</kbd></dt> <dd>Collapse all sections</dd> </dl> </div> <div class="infos"> <h2>Search Tricks</h2> <p> Prefix searches with a type followed by a colon (e.g. <code>fn:</code>) to restrict the search to a given type. </p> <p> Accepted types are: <code>fn</code>, <code>mod</code>, <code>struct</code>, <code>enum</code>, <code>trait</code>, <code>type</code>, <code>macro</code>, and <code>const</code>. </p> <p> Search functions by type signature (e.g. <code>vec -> usize</code> or <code>* -> vec</code>) </p> </div> </div> </aside> <script> window.rootPath = "../../"; window.currentCrate = "core"; </script> <script src="../../main.js"></script> <script defer src="../../search-index.js"></script> </body> </html>