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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="The logic to initialize the `State` of some `Application`."><title>BootFn in cosmic::iced::application - 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" crossorigin href="../../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../../../static.files/rustdoc-aa0817cf.css"><meta name="rustdoc-vars" data-root-path="../../../" data-static-root-path="../../../static.files/" data-current-crate="cosmic" data-themes="" data-resource-suffix="" data-rustdoc-version="1.90.0-nightly (3048886e5 2025-07-30)" data-channel="nightly" data-search-js="search-fa3e91e5.js" data-settings-js="settings-5514c975.js" ><script src="../../../static.files/storage-68b7e25d.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../../static.files/main-eebb9057.js"></script><noscript><link rel="stylesheet" href="../../../static.files/noscript-32bb7600.css"></noscript><link rel="alternate icon" type="image/png" href="../../../static.files/favicon-32x32-6580c154.png"><link rel="icon" type="image/svg+xml" href="../../../static.files/favicon-044be391.svg"></head><body class="rustdoc trait"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="mobile-topbar"><button class="sidebar-menu-toggle" title="show sidebar"></button></nav><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../../cosmic/index.html">cosmic</a><span class="version">1.0.0</span></h2></div><div class="sidebar-elems"><section id="rustdoc-toc"><h2 class="location"><a href="#">BootFn</a></h2><h3><a href="#required-methods">Required Methods</a></h3><ul class="block"><li><a href="#tymethod.boot" title="boot">boot</a></li></ul><h3><a href="#implementors">Implementors</a></h3></section><div id="rustdoc-modnav"><h2><a href="index.html">In cosmic::<wbr>iced::<wbr>application</a></h2></div></div></nav><div class="sidebar-resizer" title="Drag to resize sidebar"></div><main><div class="width-limiter"><rustdoc-search></rustdoc-search><section id="main-content" class="content"><div class="main-heading"><div class="rustdoc-breadcrumbs"><a href="../../index.html">cosmic</a>::<wbr><a href="../index.html">iced</a>::<wbr><a href="index.html">application</a></div><h1>Trait <span class="trait">BootFn</span><button id="copy-path" title="Copy item path to clipboard">Copy item path</button></h1><rustdoc-toolbar></rustdoc-toolbar><span class="sub-heading"></span></div><pre class="rust item-decl"><code>pub trait BootFn<State, Message> {
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// Required method
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fn <a href="#tymethod.boot" class="fn">boot</a>(&self) -> (State, <a class="struct" href="../../struct.Task.html" title="struct cosmic::Task">Task</a><Message>);
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}</code></pre><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>The logic to initialize the <code>State</code> of some <a href="../struct.Application.html" title="struct cosmic::iced::Application"><code>Application</code></a>.</p>
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<p>This trait is implemented for both <code>Fn() -> State</code> and
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<code>Fn() -> (State, Task<Message>)</code>.</p>
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<p>In practice, this means that <a href="../fn.application.html" title="fn cosmic::iced::application"><code>application</code></a> can both take
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simple functions like <code>State::default</code> and more advanced ones
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that return a <a href="../../struct.Task.html" title="struct cosmic::Task"><code>Task</code></a>.</p>
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</div></details><h2 id="required-methods" class="section-header">Required Methods<a href="#required-methods" class="anchor">§</a></h2><div class="methods"><details class="toggle method-toggle" open><summary><section id="tymethod.boot" class="method"><h4 class="code-header">fn <a href="#tymethod.boot" class="fn">boot</a>(&self) -> (State, <a class="struct" href="../../struct.Task.html" title="struct cosmic::Task">Task</a><Message>)</h4></section></summary><div class="docblock"><p>Initializes the <a href="../struct.Application.html" title="struct cosmic::iced::Application"><code>Application</code></a> state.</p>
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</div></details></div><h2 id="implementors" class="section-header">Implementors<a href="#implementors" class="anchor">§</a></h2><div id="implementors-list"><section id="impl-BootFn%3CState,+Message%3E-for-T" class="impl"><a href="#impl-BootFn%3CState,+Message%3E-for-T" class="anchor">§</a><h3 class="code-header">impl<T, C, State, Message> <a class="trait" href="trait.BootFn.html" title="trait cosmic::iced::application::BootFn">BootFn</a><State, Message> for T<div class="where">where
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T: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.Fn.html" title="trait core::ops::function::Fn">Fn</a>() -> C,
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C: <a class="trait" href="trait.IntoBoot.html" title="trait cosmic::iced::application::IntoBoot">IntoBoot</a><State, Message>,</div></h3></section></div><script src="../../../trait.impl/iced/application/trait.BootFn.js" async></script></section></div></main></body></html> |