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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 `FutureFrom` trait in crate `futures`."><meta name="keywords" content="rust, rustlang, rust-lang, FutureFrom"><title>futures::future::FutureFrom - 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 trait"><!--[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><p class='location'>Trait FutureFrom</p><div class="sidebar-elems"><div class="block items"><a class="sidebar-title" href="#associated-types">Associated Types</a><div class="sidebar-links"><a href="#associatedtype.Future">Future</a><a href="#associatedtype.Error">Error</a></div><a class="sidebar-title" href="#required-methods">Required Methods</a><div class="sidebar-links"><a href="#tymethod.future_from">future_from</a></div><a class="sidebar-title" href="#implementors">Implementors</a></div><p class='location'><a href='../index.html'>futures</a>::<wbr><a href='index.html'>future</a></p><script>window.sidebarCurrent = {name: 'FutureFrom', ty: 'trait', 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'>Trait <a href='../index.html'>futures</a>::<wbr><a href='index.html'>future</a>::<wbr><a class="trait" href=''>FutureFrom</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/futures/future/mod.rs.html#1075-1084' title='goto source code'>[src]</a></span></h1><div class="docblock type-decl"><pre class='rust trait'>pub trait FutureFrom<T>: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a> {
- type <a href='#associatedtype.Future' class="type">Future</a>: <a class="trait" href="../../futures/future/trait.Future.html" title="trait futures::future::Future">Future</a><Item = Self, Error = Self::<a class="type" href="../../futures/future/trait.FutureFrom.html#associatedtype.Error" title="type futures::future::FutureFrom::Error">Error</a>>;
- type <a href='#associatedtype.Error' class="type">Error</a>;
- fn <a href='#tymethod.future_from' class='fnname'>future_from</a>(_: T) -> Self::<a class="type" href="../../futures/future/trait.FutureFrom.html#associatedtype.Future" title="type futures::future::FutureFrom::Future">Future</a>;
- }</pre></div><div class='docblock'><p>Asynchronous conversion from a type <code>T</code>.</p>
- <p>This trait is analogous to <code>std::convert::From</code>, adapted to asynchronous
- computation.</p>
- </div>
- <h2 id='associated-types' class='small-section-header'>
- Associated Types<a href='#associated-types' class='anchor'></a>
- </h2>
- <div class='methods'>
- <h3 id='associatedtype.Future' class='method'><span id='Future.t' class='invisible'><code>type <a href='#associatedtype.Future' class="type">Future</a>: <a class="trait" href="../../futures/future/trait.Future.html" title="trait futures::future::Future">Future</a><Item = Self, Error = Self::<a class="type" href="../../futures/future/trait.FutureFrom.html#associatedtype.Error" title="type futures::future::FutureFrom::Error">Error</a>></code></span></h3><div class='docblock'><p>The future for the conversion.</p>
- </div><h3 id='associatedtype.Error' class='method'><span id='Error.t' class='invisible'><code>type <a href='#associatedtype.Error' class="type">Error</a></code></span></h3><div class='docblock'><p>Possible errors during conversion.</p>
- </div></div>
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- Required Methods<a href='#required-methods' class='anchor'></a>
- </h2>
- <div class='methods'>
- <h3 id='tymethod.future_from' class='method'><span id='future_from.v' class='invisible'><code>fn <a href='#tymethod.future_from' class='fnname'>future_from</a>(_: T) -> Self::<a class="type" href="../../futures/future/trait.FutureFrom.html#associatedtype.Future" title="type futures::future::FutureFrom::Future">Future</a></code></span></h3><div class='docblock'><p>Consume the given value, beginning the conversion.</p>
- </div></div>
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- Implementors<a href='#implementors' class='anchor'></a>
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