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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="API documentation for the Rust `upper` fn in crate `combine`."><meta name="keywords" content="rust, rustlang, rust-lang, upper"><title>combine::char::upper - 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="../../light.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><div class="sidebar-elems"><p class='location'><a href='../index.html'>combine</a>::<wbr><a href='index.html'>char</a></p><script>window.sidebarCurrent = {name: 'upper', ty: 'fn', 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"><a id="settings-menu" href="../../settings.html"><img src="../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class='fqn'><span class='in-band'>Function <a href='../index.html'>combine</a>::<wbr><a href='index.html'>char</a>::<wbr><a class="fn" href=''>upper</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/combine/char.rs.html#167-175' title='goto source code'>[src]</a></span></h1><pre class='rust fn'>pub fn upper<I>() -> <a class="struct" href="../../combine/char/struct.Upper.html" title="struct combine::char::Upper">Upper</a><I> <span class="where fmt-newline">where<br> I: <a class="trait" href="../../combine/trait.Stream.html" title="trait combine::Stream">Stream</a><Item = <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.char.html">char</a>>, </span></pre><div class='docblock'><p>Parses an uppercase letter according to <a href="https://doc.rust-lang.org/std/primitive.char.html#method.is_uppercase"><code>std::char::is_uppercase</code></a>.</p>
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<pre class="rust rust-example-rendered">
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<span class="kw">use</span> <span class="ident">combine</span>::<span class="ident">Parser</span>;
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<span class="kw">use</span> <span class="ident">combine</span>::<span class="ident">char</span>::<span class="ident">upper</span>;
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<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">upper</span>().<span class="ident">parse</span>(<span class="string">"A"</span>), <span class="prelude-val">Ok</span>((<span class="string">'A'</span>, <span class="string">""</span>)));
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<span class="macro">assert</span><span class="macro">!</span>(<span class="ident">upper</span>().<span class="ident">parse</span>(<span class="string">"a"</span>).<span class="ident">is_err</span>());</pre>
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