| <!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="Source of the Rust file `/root/.cargo/registry/src/github.com-1ecc6299db9ec823/tower-0.4.13/src/macros.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>macros.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" href="../../normalize.css"><link rel="stylesheet" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" href="../../ayu.css" disabled><link rel="stylesheet" href="../../dark.css" disabled><link rel="stylesheet" href="../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../storage.js"></script><script defer src="../../source-script.js"></script><script defer src="../../source-files.js"></script><script defer src="../../main.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../favicon.svg"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><a class="sidebar-logo" href="../../tower/index.html"><div class="logo-container"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></div></a></nav><main><div class="width-limiter"><nav class="sub"><a class="sub-logo-container" href="../../tower/index.html"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></a><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../wheel.svg"></a></div></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> |
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| </pre><pre class="rust"><code><span class="attribute">#[cfg(any( |
| feature = <span class="string">"util"</span>, |
| feature = <span class="string">"spawn-ready"</span>, |
| feature = <span class="string">"filter"</span>, |
| feature = <span class="string">"make" |
| </span>))] |
| </span><span class="macro">macro_rules! </span>opaque_future { |
| ($(<span class="attribute">#[<span class="macro-nonterminal">$m</span>:meta]</span>)* <span class="kw">pub type </span><span class="macro-nonterminal">$name</span>:ident<$(<span class="macro-nonterminal">$param</span>:ident),+> = <span class="macro-nonterminal">$actual</span>:ty;) => { |
| <span class="macro">pin_project_lite::pin_project! </span>{ |
| $(<span class="attribute">#[<span class="macro-nonterminal">$m</span>]</span>)* |
| <span class="kw">pub struct </span><span class="macro-nonterminal">$name</span><$(<span class="macro-nonterminal">$param</span>),+> { |
| <span class="attribute">#[pin] |
| </span>inner: <span class="macro-nonterminal">$actual |
| </span>} |
| } |
| |
| <span class="kw">impl</span><$(<span class="macro-nonterminal">$param</span>),+> <span class="macro-nonterminal">$name</span><$(<span class="macro-nonterminal">$param</span>),+> { |
| <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn </span>new(inner: <span class="macro-nonterminal">$actual</span>) -> <span class="self">Self </span>{ |
| <span class="self">Self </span>{ |
| inner |
| } |
| } |
| } |
| |
| <span class="kw">impl</span><$(<span class="macro-nonterminal">$param</span>),+> std::fmt::Debug <span class="kw">for </span><span class="macro-nonterminal">$name</span><$(<span class="macro-nonterminal">$param</span>),+> { |
| <span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>std::fmt::Formatter<<span class="lifetime">'_</span>>) -> std::fmt::Result { |
| f.debug_tuple(<span class="macro">stringify!</span>(<span class="macro-nonterminal">$name</span>)).field(<span class="kw-2">&</span><span class="macro">format_args!</span>(<span class="string">"..."</span>)).finish() |
| } |
| } |
| |
| <span class="kw">impl</span><$(<span class="macro-nonterminal">$param</span>),+> std::future::Future <span class="kw">for </span><span class="macro-nonterminal">$name</span><$(<span class="macro-nonterminal">$param</span>),+> |
| <span class="kw">where |
| </span><span class="macro-nonterminal">$actual</span>: std::future::Future, |
| { |
| <span class="kw">type </span>Output = <<span class="macro-nonterminal">$actual </span><span class="kw">as </span>std::future::Future>::Output; |
| <span class="attribute">#[inline] |
| </span><span class="kw">fn </span>poll(<span class="self">self</span>: std::pin::Pin<<span class="kw-2">&mut </span><span class="self">Self</span>>, cx: <span class="kw-2">&mut </span>std::task::Context<<span class="lifetime">'_</span>>) -> std::task::Poll<<span class="self">Self</span>::Output> { |
| <span class="self">self</span>.project().inner.poll(cx) |
| } |
| } |
| } |
| } |
| </code></pre></div> |
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