| <!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="Returns the `let` only if there is exactly one (that is, `let pat = expr` or `((let pat = expr))`, but not `let pat = expr && expr` or `non_let_expr`)."><title>single_let in ide_db::syntax_helpers::node_ext - Rust</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-6b053e98.ttf.woff2,FiraSans-Italic-81dc35de.woff2,FiraSans-Regular-0fe48ade.woff2,FiraSans-MediumItalic-ccf7e434.woff2,FiraSans-Medium-e1aa3f0a.woff2,SourceCodePro-Regular-8badfe75.ttf.woff2,SourceCodePro-Semibold-aa29a496.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2"href="../../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../../../static.files/rustdoc-ca0dd0c4.css"><meta name="rustdoc-vars" data-root-path="../../../" data-static-root-path="../../../static.files/" data-current-crate="ide_db" data-themes="" data-resource-suffix="" data-rustdoc-version="1.92.0 (ded5c06cf 2025-12-08)" data-channel="1.92.0" data-search-js="search-d69d8955.js" data-stringdex-js="stringdex-c3e638e9.js" data-settings-js="settings-c38705f0.js" ><script src="../../../static.files/storage-e2aeef58.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../../static.files/main-ce535bd0.js"></script><noscript><link rel="stylesheet" href="../../../static.files/noscript-263c88ec.css"></noscript><link rel="alternate icon" type="image/png" href="../../../static.files/favicon-32x32-eab170b8.png"><link rel="icon" type="image/svg+xml" href="../../../static.files/favicon-044be391.svg"></head><body class="rustdoc fn"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><rustdoc-topbar><h2><a href="#">single_let</a></h2></rustdoc-topbar><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../../ide_db/index.html">ide_db</a><span class="version">0.0.0</span></h2></div><div class="sidebar-elems"><div id="rustdoc-modnav"><h2><a href="index.html">In ide_<wbr>db::<wbr>syntax_<wbr>helpers::<wbr>node_<wbr>ext</a></h2></div></div></nav><div class="sidebar-resizer" title="Drag to resize sidebar"></div><main><div class="width-limiter"><section id="main-content" class="content"><div class="main-heading"><div class="rustdoc-breadcrumbs"><a href="../../index.html">ide_db</a>::<wbr><a href="../index.html">syntax_helpers</a>::<wbr><a href="index.html">node_ext</a></div><h1>Function <span class="fn">single_<wbr>let</span> <button id="copy-path" title="Copy item path to clipboard">Copy item path</button></h1><rustdoc-toolbar></rustdoc-toolbar><span class="sub-heading"><a class="src" href="../../../src/ide_db/syntax_helpers/node_ext.rs.html#255-261">Source</a> </span></div><pre class="rust item-decl"><code>pub fn single_let(expr: Expr) -> <a class="enum" href="https://doc.rust-lang.org/1.92.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><LetExpr></code></pre><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Returns the <code>let</code> only if there is exactly one (that is, <code>let pat = expr</code> |
| or <code>((let pat = expr))</code>, but not <code>let pat = expr && expr</code> or <code>non_let_expr</code>).</p> |
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