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<!-- saved from url=(0018)https://rocket.rs/ -->
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<html><link type="text/css" rel="stylesheet" id="dark-mode-general-link"><link type="text/css" rel="stylesheet" id="dark-mode-custom-link"><style lang="en" type="text/css" id="dark-mode-custom-style"></style><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta name="viewport" content="width=device-width"><title>Dioxus - Simple, Fast, Type-Safe Web Framework for Rust</title><meta name="description" content="Dioxus is a web framework for the Rust
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programming language that makes it simple to write fast web applications
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without sacrificing flexibility or type safety."><meta name="author" content="Sergio Benitez"><link href="./rocketsrchrome_files/css" rel="stylesheet"><link rel="stylesheet" href="./rocketsrchrome_files/style.css" media="all"><link rel="icon" type="image/png" href="https://rocket.rs/v0.4/images/favicon-32x32.png" sizes="32x32"><link rel="icon" type="image/png" href="https://rocket.rs/v0.4/images/favicon-16x16.png" sizes="16x16"><style media="screen">#logo{background-image:url(/v0.4/images/logo.svg)}@media(max-width:870px){#logo{background-image:url(/v0.4/images/logo-small.svg)}}input#search-input{background-image:url(/v0.4/images/search-icon.svg)}.cancel-search{background:url(/v0.4/images/cancel-icon.svg) no-repeat center}.admonition.note .title{background-image:url(/v0.4/images/pencil-icon.svg)}.admonition.tip .title{background-image:url(/v0.4/images/star-icon.svg)}.admonition.warning .title{background-image:url(/v0.4/images/warning-icon.svg)}</style></head><body><header><div id="clouds"><img src="./rocketsrchrome_files/cloud-0.png" class="cloud back" style="width: 254px; height: 159px; transform: scaleX(-1); left: 327.999px; top: 620.94px;"><img src="./rocketsrchrome_files/cloud-1.png" class="cloud front" style="width: 231px; height: 117px; left: -122.168px; top: 339.537px;"><img src="./rocketsrchrome_files/cloud-2.png" class="cloud front" style="width: 66px; height: 37px; left: 505.832px; top: 166.641px;"><img src="./rocketsrchrome_files/cloud-0.png" class="cloud front" style="width: 114px; height: 71px; left: 740.832px; top: 379.316px;"><img src="./rocketsrchrome_files/cloud-0.png" class="cloud back" style="width: 96px; height: 60px; transform: scaleX(-1); left: 452.999px; top: 606.645px;"><img src="./rocketsrchrome_files/cloud-0.png" class="cloud front" style="width: 72px; height: 45px; transform: scaleX(-1); left: 149.832px; top: 26.552px;"><img src="./rocketsrchrome_files/cloud-0.png" class="cloud back" style="width: 84px; height: 53px; left: 939.999px; top: 156.89px;"><img src="./rocketsrchrome_files/cloud-1.png" class="cloud front" style="width: 157px; height: 79px; transform: scaleX(-1); left: 607.832px; top: 45.7999px;"><img src="./rocketsrchrome_files/cloud-1.png" class="cloud front" style="width: 129px; height: 66px; left: 259.832px; top: 328.975px;"><img src="./rocketsrchrome_files/cloud-2.png" class="cloud front" style="width: 191px; height: 107px; transform: scaleX(-1); left: 232.832px; top: 158.592px;"><img src="./rocketsrchrome_files/cloud-1.png" class="cloud front" style="width: 257px; height: 130px; transform: scaleX(-1); left: 464.832px; top: 722.23px;"><img src="./rocketsrchrome_files/cloud-0.png" class="cloud front" style="width: 160px; height: 100px; transform: scaleX(-1); left: 653.832px; top: 697.267px;"><img src="./rocketsrchrome_files/cloud-0.png" class="cloud front" style="width: 189px; height: 118px; left: -103.168px; top: 158.261px;"><img src="./rocketsrchrome_files/cloud-2.png" class="cloud back" style="width: 167px; height: 93px; transform: scaleX(-1); left: 506.999px; top: 296.27px;"><img src="./rocketsrchrome_files/cloud-2.png" class="cloud back" style="width: 211px; height: 118px; transform: scaleX(-1); left: 580.999px; top: 625.646px;"><img src="./rocketsrchrome_files/cloud-2.png" class="cloud back" style="width: 228px; height: 128px; transform: scaleX(-1); left: 1034px; top: 248.156px;"></div><div class="container"><a id="logo" href="https://rocket.rs/"><span>Dioxus Homepage</span></a><nav class="version-select"><span onclick="toggleOptions()">v0.4 <i></i></span><options><a href="https://rocket.rs/v0.3/">v0.3</a> <a href="https://rocket.rs/master/">master</a></options></nav><input type="checkbox" id="toggle"> <label for="toggle" class="hamburger"><span></span> <span></span> <span></span></label><nav class="main"><a href="https://rocket.rs/v0.4/overview">overview</a> <a href="https://rocket.rs/v0.4/guide">guide</a> <a href="https://api.rocket.rs/v0.4/rocket">api</a> <a href="https://rocket.rs/v0.4/news">news</a> <a href="https://github.com/SergioBenitez/Dioxus/tree/v0.4">code</a></nav><div class="centered banner"><h1>Meet Dioxus.</h1><h2>Dioxus is a web framework for Rust that makes it simple to write <i>fast</i>, <b>secure</b> web applications without sacrificing flexibility, usability, or type safety.</h2><a href="https://rocket.rs/v0.4/guide" class="button">Get Started</a> <a href="https://rocket.rs/v0.4/overview" class="button inverted">Learn More</a></div><div class="grid"><div class="col"><hr></div><h4 class="col" style="text-align:center;margin:0;padding:0">Latest Release: <a href="https://crates.io/crates/rocket/0.4.6">0.4.6 (Nov 09, 2020)</a></h4><div class="col"><hr></div></div><br><div class="grid features"><div class="col centered"><img src="./rocketsrchrome_files/helmet.svg" alt="Type Safe Icon (helmet)"><h3>Type Safe</h3><figcaption>From request to response Dioxus ensures that your types mean something.</figcaption><a class="button inverted small" href="https://rocket.rs/v0.4/overview/#how-rocket-works">Learn More</a></div><div class="col centered"><img src="./rocketsrchrome_files/robot-free.svg" alt="Boilerplate Free Icon (robot-free)"><h3>Boilerplate Free</h3><figcaption>Spend your time writing code that really matters, and let Dioxus generate the rest.</figcaption><a class="button inverted small" href="https://rocket.rs/v0.4/overview/#anatomy-of-a-rocket-application">See Examples</a></div><div class="col centered"><img src="./rocketsrchrome_files/sun.svg" alt="Easy To Use Icon (sun)" style="margin-top:2px"><h3>Easy To Use</h3><figcaption>Simple, intuitive APIs make Dioxus approachable, no matter your background.</figcaption><a class="button inverted small" href="https://rocket.rs/v0.4/guide">Get Started</a></div><div class="col centered"><img src="./rocketsrchrome_files/telescope.svg" alt="Extensible Icon (telescope)" style="margin-top:9px"><h3>Extensible</h3><figcaption>Create your own first-class primitives that any Dioxus application can use.</figcaption><a class="button inverted small" href="https://rocket.rs/v0.4/overview/#anatomy-of-a-rocket-application">See How</a></div></div></div></header><a href="https://github.com/SergioBenitez/Dioxus/tree/v0.4" class="github-corner" aria-label="View source on Github"><svg width="75" height="75" viewBox="0 0 250 250" style="fill:#fff;z-index:10;color:#151513;mix-blend-mode:screen;position:absolute;top:0;border:0;right:0" aria-hidden="true"><path d="M0,0 L115,115 L130,115 L142,142 L250,250 L250,0 Z"></path><path d="M128.3,109.0 C113.8,99.7 119.0,89.6 119.0,89.6 C122.0,82.7
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L141.0,136.5 C139.8,137.7 141.6,141.9 141.8,141.8 Z" fill="currentColor" class="octo-body"></path></svg> </a><span></span><section class="grid mobile-reverse"><div class="container"><div class="col left-main"><h3>Hello, Dioxus!</h3><hr><p>This is a <strong>complete Dioxus application</strong>. It does exactly what you would expect. If you were to visit <strong>http://localhost:8000/hello/John/58</strong>, you’d see:</p><p><span class="callout">Hello, 58 year old named John!</span></p><p>If someone visits a path with an <code><age></code> that isn’t a <code>u8</code>, Dioxus doesn’t blindly call <code>hello</code>. Instead, it tries other matching routes or returns a <strong>404</strong>.</p></div><div class="col right-main hl-dark"><table class="code hltable"><tbody><tr><td class="linenos"><div class="linenodiv"><pre> 1
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12</pre></div></td><td class="code"><div class="code hl"><pre><span></span><span class="cp">#![feature(proc_macro_hygiene, decl_macro)]</span><span class="w"></span>
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<span class="cp">#[macro_use]</span><span class="w"> </span><span class="k">extern</span><span class="w"> </span><span class="k">crate</span><span class="w"> </span><span class="n">rocket</span><span class="p">;</span><span class="w"></span>
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<span class="cp">#[get(</span><span class="s">"/hello/<name>/<age>"</span><span class="cp">)]</span><span class="w"></span>
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<span class="k">fn</span> <span class="nf">hello</span><span class="p">(</span><span class="n">name</span>: <span class="nb">String</span><span class="p">,</span><span class="w"> </span><span class="n">age</span>: <span class="kt">u8</span><span class="p">)</span><span class="w"> </span>-> <span class="nb">String</span> <span class="p">{</span><span class="w"></span>
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<span class="w"> </span><span class="n">format</span><span class="o">!</span><span class="p">(</span><span class="s">"Hello, {} year old named {}!"</span><span class="p">,</span><span class="w"> </span><span class="n">age</span><span class="p">,</span><span class="w"> </span><span class="n">name</span><span class="p">)</span><span class="w"></span>
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<span class="p">}</span><span class="w"></span>
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<span class="k">fn</span> <span class="nf">main</span><span class="p">()</span><span class="w"> </span><span class="p">{</span><span class="w"></span>
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<span class="w"> </span><span class="n">rocket</span>::<span class="n">ignite</span><span class="p">().</span><span class="n">mount</span><span class="p">(</span><span class="s">"/"</span><span class="p">,</span><span class="w"> </span><span class="n">routes</span><span class="o">!</span><span class="p">[</span><span class="n">hello</span><span class="p">]).</span><span class="n">launch</span><span class="p">();</span><span class="w"></span>
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<span class="p">}</span><span class="w"></span>
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</pre></div></td></tr></tbody></table></div></div></section><section class="grid mobile-reverse"><div class="container"><div class="col left-main"><h3>Forms? Check!</h3><hr><p>Handling forms <strong>is simple and easy</strong>. Simply derive <code>FromForm</code> for your structure and let Dioxus know which parameter to use. Dioxus <strong>parses and validates</strong> the form request, creates the structure, and calls your function.</p><p>Bad form request? Dioxus doesn’t call your function! What if you want to know if the form was bad? Simple! Change the type of <code>task</code> to <code>Option</code> or <code>Result</code>!</p></div><div class="col right-main hl-light"><table class="code hltable"><tbody><tr><td class="linenos"><div class="linenodiv"><pre> 1
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14</pre></div></td><td class="code"><div class="code hl"><pre><span></span><span class="cp">#[derive(FromForm)]</span><span class="w"></span>
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<span class="k">struct</span> <span class="nc">Task</span><span class="w"> </span><span class="p">{</span><span class="w"></span>
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<span class="w"> </span><span class="n">description</span>: <span class="nb">String</span><span class="p">,</span><span class="w"></span>
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<span class="w"> </span><span class="n">completed</span>: <span class="kt">bool</span>
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<span class="p">}</span><span class="w"></span>
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<span class="cp">#[post(</span><span class="s">"/"</span><span class="cp">, data = </span><span class="s">"<task>"</span><span class="cp">)]</span><span class="w"></span>
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<span class="k">fn</span> <span class="nf">new</span><span class="p">(</span><span class="n">task</span>: <span class="nc">Form</span><span class="o"><</span><span class="n">Task</span><span class="o">></span><span class="p">)</span><span class="w"> </span>-> <span class="nc">Flash</span><span class="o"><</span><span class="n">Redirect</span><span class="o">></span><span class="w"> </span><span class="p">{</span><span class="w"></span>
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<span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="n">task</span><span class="p">.</span><span class="n">description</span><span class="p">.</span><span class="n">is_empty</span><span class="p">()</span><span class="w"> </span><span class="p">{</span><span class="w"></span>
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<span class="w"> </span><span class="n">Flash</span>::<span class="n">error</span><span class="p">(</span><span class="n">Redirect</span>::<span class="n">to</span><span class="p">(</span><span class="s">"/"</span><span class="p">),</span><span class="w"> </span><span class="s">"Cannot be empty."</span><span class="p">)</span><span class="w"></span>
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<span class="w"> </span><span class="p">}</span><span class="w"> </span><span class="k">else</span><span class="w"> </span><span class="p">{</span><span class="w"></span>
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<span class="w"> </span><span class="n">Flash</span>::<span class="n">success</span><span class="p">(</span><span class="n">Redirect</span>::<span class="n">to</span><span class="p">(</span><span class="s">"/"</span><span class="p">),</span><span class="w"> </span><span class="s">"Task added."</span><span class="p">)</span><span class="w"></span>
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<span class="w"> </span><span class="p">}</span><span class="w"></span>
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<span class="p">}</span><span class="w"></span>
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</pre></div></td></tr></tbody></table></div></div></section><section class="grid mobile-reverse"><div class="container"><div class="col left-main"><h3>JSON, out of the box.</h3><hr><p>Dioxus has first-class support for JSON, right out of the box. Simply derive <code>Deserialize</code> or <code>Serialize</code> to receive or return JSON, respectively.</p><p>Like other important features, JSON works through Dioxus’s <code>FromData</code> trait, Dioxus’s approach to deriving types from body data. It works like this: specify a <code>data</code> route parameter of any type that implements <code>FromData</code>. A value of that type will then be created automatically from the incoming request body. Best of all, you can implement <code>FromData</code> for your types!</p></div><div class="col right-main hl-dark"><table class="code hltable"><tbody><tr><td class="linenos"><div class="linenodiv"><pre> 1
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14</pre></div></td><td class="code"><div class="code hl"><pre><span></span><span class="cp">#[derive(Serialize, Deserialize)]</span><span class="w"></span>
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<span class="k">struct</span> <span class="nc">Message</span><span class="w"> </span><span class="p">{</span><span class="w"></span>
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<span class="w"> </span><span class="n">contents</span>: <span class="nb">String</span><span class="p">,</span><span class="w"></span>
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<span class="p">}</span><span class="w"></span>
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<span class="cp">#[put(</span><span class="s">"/<id>"</span><span class="cp">, data = </span><span class="s">"<msg>"</span><span class="cp">)]</span><span class="w"></span>
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<span class="k">fn</span> <span class="nf">update</span><span class="p">(</span><span class="n">db</span>: <span class="kp">&</span><span class="nc">Db</span><span class="p">,</span><span class="w"> </span><span class="n">id</span>: <span class="nc">Id</span><span class="p">,</span><span class="w"> </span><span class="n">msg</span>: <span class="nc">Json</span><span class="o"><</span><span class="n">Message</span><span class="o">></span><span class="p">)</span><span class="w"> </span>-> <span class="nc">JsonValue</span><span class="w"> </span><span class="p">{</span><span class="w"></span>
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<span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="n">db</span><span class="p">.</span><span class="n">contains_key</span><span class="p">(</span><span class="o">&</span><span class="n">id</span><span class="p">)</span><span class="w"> </span><span class="p">{</span><span class="w"></span>
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<span class="w"> </span><span class="n">db</span><span class="p">.</span><span class="n">insert</span><span class="p">(</span><span class="n">id</span><span class="p">,</span><span class="w"> </span><span class="o">&</span><span class="n">msg</span><span class="p">.</span><span class="n">contents</span><span class="p">);</span><span class="w"></span>
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<span class="w"> </span><span class="n">json</span><span class="o">!</span><span class="p">({</span><span class="w"> </span><span class="s">"status"</span>: <span class="s">"ok"</span><span class="w"> </span><span class="p">})</span><span class="w"></span>
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<span class="w"> </span><span class="p">}</span><span class="w"> </span><span class="k">else</span><span class="w"> </span><span class="p">{</span><span class="w"></span>
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<span class="w"> </span><span class="n">json</span><span class="o">!</span><span class="p">({</span><span class="w"> </span><span class="s">"status"</span>: <span class="s">"error"</span><span class="w"> </span><span class="p">})</span><span class="w"></span>
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<span class="w"> </span><span class="p">}</span><span class="w"></span>
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<span class="p">}</span><span class="w"></span>
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</pre></div></td></tr></tbody></table></div></div></section><section class="centered"><h1>Dioxus is ready to launch.</h1><a href="https://rocket.rs/v0.4/guide" class="button">Get Started</a> <a href="https://rocket.rs/v0.4/overview" class="button inverted">Learn More</a></section><section class="features"><div class="container"><div class="centered"><h2>And so much more.</h2><h4>Essential features, built in.</h4></div><div class="grid"><div class="col centered tight"><img src="./rocketsrchrome_files/templating-icon.svg" alt="Templating Icon (templating-icon)"><h3 class="blue">Templating</h3><figcaption class="wide">Dioxus makes templating a breeze with built-in templating support.</figcaption><a class="button inverted small blue" href="https://rocket.rs/v0.4/guide/responses/#templates">Learn More</a></div><div class="col centered tight"><img src="./rocketsrchrome_files/cookies-icon.svg" alt="Cookies Icon (cookies-icon)" style="margin-top:-6px"><h3 class="purple">Cookies</h3><figcaption class="wide">View, add, or remove cookies, with or without encryption, without hassle.</figcaption><a class="button inverted small purple" href="https://rocket.rs/v0.4/guide/requests/#cookies">Learn More</a></div><div class="col centered tight"><img src="./rocketsrchrome_files/streams-icon.svg" alt="Streams Icon (streams-icon)" style="margin-top:-29px"><h3 class="red">Streams</h3><figcaption class="wide">Dioxus streams all incoming and outgoing data, so size isn't a concern.</figcaption><a class="button inverted small red" href="https://rocket.rs/v0.4/guide/requests/#streaming">Learn More</a></div></div><hr><div class="grid"><div class="col centered tight"><img src="./rocketsrchrome_files/config-icon.svg" alt="Config Environments Icon (config-icon)" style="margin-top:-3px"><h3 class="yellow">Config Environments</h3><figcaption class="wide">Configure your application your way for development, staging, and production.</figcaption><a class="button inverted small yellow" 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