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| </a><h2 class="location">Trait Peek</h2><div class="sidebar-elems"><div class="block items"><h3 class="sidebar-title"><a href="#implementors">Implementors</a></h3></div><h2 class="location">Other items in<br><a href="../index.html">syn</a>::<wbr><a href="index.html">parse</a></h2><div id="sidebar-vars" data-name="Peek" data-ty="trait" data-relpath=""></div><script defer src="sidebar-items.js"></script></div></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../../syn/index.html"><img class="rust-logo" src="../../rust-logo.png" alt="logo"></a><nav class="sub"><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu" title="themes"><img width="18" height="18" alt="Pick another theme!" src="../../brush.svg"></button><div id="theme-choices" role="menu"></div></div><form class="search-form"><div class="search-container"><div> |
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| <h1 class="fqn"><span class="in-band">Trait <a href="../index.html">syn</a>::<wbr><a href="index.html">parse</a>::<wbr><a class="trait" href="#">Peek</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"> |
| <a class="srclink" href="../../src/syn/lookahead.rs.html#144-148" title="goto source code">source</a> · |
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| <div class="docblock item-decl"><pre class="rust trait"><code>pub trait Peek: Sealed { }</code></pre></div><div class="item-info"><div class="stab portability">This is supported on <strong>crate feature <code>parsing</code></strong> only.</div></div><details class="rustdoc-toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Types that can be parsed by looking at just one token.</p> |
| <p>Use <a href="struct.ParseBuffer.html#method.peek"><code>ParseStream::peek</code></a> to peek one of these types in a parse stream |
| without consuming it from the stream.</p> |
| <p>This trait is sealed and cannot be implemented for types outside of Syn.</p> |
| </div></details><h2 id="implementors" class="small-section-header">Implementors<a href="#implementors" class="anchor"></a></h2><div class="item-list" id="implementors-list"><div id="impl-Peek" class="impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/syn/lookahead.rs.html#150-152" title="goto source code">source</a></div><a href="#impl-Peek" class="anchor"></a><h3 class="code-header in-band">impl<F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Copy.html" title="trait core::marker::Copy">Copy</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(TokenMarker) -> T, T: <a class="trait" href="../token/trait.Token.html" title="trait syn::token::Token">Token</a>> <a class="trait" href="trait.Peek.html" title="trait syn::parse::Peek">Peek</a> for F</h3></div></div><script type="text/javascript" src="../../implementors/syn/parse/trait.Peek.js" async></script></section><section id="search" class="content hidden"></section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="syn" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.60.0-nightly (1bd4fdc94 2022-01-12)" ></div> |
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