<!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 `range` fn in crate `num_iter`."> <meta name="keywords" content="rust, rustlang, rust-lang, range"> <title>num_iter::range - 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> </head> <body class="rustdoc fn"> <!--[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> <p class='location'><a href='index.html'>num_iter</a></p><script>window.sidebarCurrent = {name: 'range', ty: 'fn', relpath: ''};</script><script defer src="sidebar-items.js"></script> </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'>Function <a href='index.html'>num_iter</a>::<wbr><a class="fn" href=''>range</a></span><span class='out-of-band'><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/num_iter/lib.rs.html#52-56' title='goto source code'>[src]</a></span></h1> <div class="important-traits"><div class='tooltip'>ⓘ<span class='tooltiptext'>Important traits for <a class="struct" href="../num_iter/struct.Range.html" title="struct num_iter::Range">Range</a><A></span></div><div class="content hidden"><h3 class="important">Important traits for <a class="struct" href="../num_iter/struct.Range.html" title="struct num_iter::Range">Range</a><A></h3><code class="content"><span class="where fmt-newline">impl<A> <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/iterator/trait.Iterator.html" title="trait core::iter::iterator::Iterator">Iterator</a> for <a class="struct" href="../num_iter/struct.Range.html" title="struct num_iter::Range">Range</a><A> <span class="where fmt-newline">where<br> A: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/arith/trait.Add.html" title="trait core::ops::arith::Add">Add</a><A, Output = A> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/cmp/trait.PartialOrd.html" title="trait core::cmp::PartialOrd">PartialOrd</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a> + <a class="trait" href="../num_traits/cast/trait.ToPrimitive.html" title="trait num_traits::cast::ToPrimitive">ToPrimitive</a>, </span></span><span class="where fmt-newline"> type <a href='https://doc.rust-lang.org/nightly/core/iter/iterator/trait.Iterator.html#associatedtype.Item' class="type">Item</a> = A;</span></code></div></div><pre class='rust fn'>pub fn range<A>(start: A, stop: A) -> <a class="struct" href="../num_iter/struct.Range.html" title="struct num_iter::Range">Range</a><A> <span class="where fmt-newline">where<br> A: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/arith/trait.Add.html" title="trait core::ops::arith::Add">Add</a><A, Output = A> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/cmp/trait.PartialOrd.html" title="trait core::cmp::PartialOrd">PartialOrd</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a> + <a class="trait" href="../num_traits/identities/trait.One.html" title="trait num_traits::identities::One">One</a>, </span></pre><div class='docblock'><p>Returns an iterator over the given range [start, stop) (that is, starting at start (inclusive), and ending at stop (exclusive)).</p> <h1 id="example" class="section-header"><a href="#example">Example</a></h1> <pre class="rust rust-example-rendered"> <span class="kw">let</span> <span class="ident">array</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="number">4</span>]; <span class="kw">for</span> <span class="ident">i</span> <span class="kw">in</span> <span class="ident">num_iter</span>::<span class="ident">range</span>(<span class="number">0</span>, <span class="number">5</span>) { <span class="macro">println</span><span class="macro">!</span>(<span class="string">"{}"</span>, <span class="ident">i</span>); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">i</span>, <span class="ident">array</span>[<span class="ident">i</span>]); }</pre> </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 = "../"; 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