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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 `parse2` fn in crate `syn`."><meta name="keywords" content="rust, rustlang, rust-lang, parse2"><title>syn::parse2 - 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'>syn</a></p><script>window.sidebarCurrent = {name: 'parse2', 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'>syn</a>::<wbr><a class="fn" href=''>parse2</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/syn/lib.rs.html#657-666' title='goto source code'>[src]</a></span></h1><pre class='rust fn'>pub fn parse2<T>(tokens: <a class="struct" href="../proc_macro2/struct.TokenStream.html" title="struct proc_macro2::TokenStream">TokenStream</a>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><T, <a class="struct" href="../syn/synom/struct.ParseError.html" title="struct syn::synom::ParseError">ParseError</a>> <span class="where fmt-newline">where<br> T: <a class="trait" href="../syn/synom/trait.Synom.html" title="trait syn::synom::Synom">Synom</a>, </span></pre><div class='docblock'><p>Parse a proc-macro2 token stream into the chosen syntax tree node.</p>
- <p>This function parses a <code>proc_macro2::TokenStream</code> which is commonly useful
- when the input comes from a node of the Syn syntax tree, for example the tts
- of a <a href="struct.Macro.html"><code>Macro</code></a> node. When in a procedural macro parsing the
- <code>proc_macro::TokenStream</code> provided by the compiler, use <a href="fn.parse.html"><code>syn::parse</code></a>
- instead.</p>
- <p><em>This function is available if Syn is built with the <code>"parsing"</code> feature.</em></p>
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