620 lines
18 KiB
HTML
620 lines
18 KiB
HTML
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<!DOCTYPE HTML>
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<html lang="" >
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<head>
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<meta charset="UTF-8">
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<meta content="text/html; charset=utf-8" http-equiv="Content-Type">
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<title>hello world · hello world! bluesky</title>
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<meta http-equiv="X-UA-Compatible" content="IE=edge" />
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<meta name="description" content="">
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<meta name="generator" content="@gitbook-ng/gitbook 3.3.6">
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<meta name="author" content="syui">
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<link rel="stylesheet" href="../gitbook/style.css">
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<link rel="stylesheet" href="../gitbook/gitbook-plugin-codeblock-filename/block.css">
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<link rel="stylesheet" href="../gitbook/gitbook-plugin-mermaid-gb3/mermaid/mermaid.css">
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<link rel="stylesheet" href="../gitbook/gitbook-plugin-highlight/website.css">
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<link rel="stylesheet" href="../gitbook/gitbook-plugin-search/search.css">
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<link rel="stylesheet" href="../gitbook/gitbook-plugin-fontsettings/website.css">
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<meta name="HandheldFriendly" content="true"/>
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<meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no">
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<meta name="apple-mobile-web-app-capable" content="yes">
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<meta name="apple-mobile-web-app-status-bar-style" content="black">
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<link rel="apple-touch-icon-precomposed" sizes="152x152" href="../gitbook/images/apple-touch-icon-precomposed-152.png">
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<link rel="shortcut icon" href="../gitbook/images/favicon.ico" type="image/x-icon">
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<link rel="next" href="2.html" />
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<link rel="prev" href="./" />
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</head>
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<body>
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<div class="book">
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<div class="book-summary">
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<div id="book-search-input" role="search">
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<input type="text" placeholder="Type to search" />
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</div>
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<nav role="navigation">
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<ul class="summary">
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<li class="chapter " data-level="1.1" data-path="../">
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<a href="../">
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hello world! bluesky
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</a>
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</li>
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<li class="chapter " data-level="1.2" data-path="../card/">
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<a href="../card/">
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card
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</a>
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</li>
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<li class="chapter " data-level="1.3" data-path="../c1/">
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<a href="../c1/">
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part 1
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</a>
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<ul class="articles">
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<li class="chapter " data-level="1.3.1" data-path="../c1/1.html">
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<a href="../c1/1.html">
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quick start
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</a>
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</li>
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<li class="chapter " data-level="1.3.2" data-path="../c1/2.html">
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<a href="../c1/2.html">
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example
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</a>
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</li>
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</ul>
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</li>
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<li class="chapter " data-level="1.4" data-path="../c2/">
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<a href="../c2/">
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part 2
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</a>
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<ul class="articles">
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<li class="chapter " data-level="1.4.1" data-path="../c2/1.html">
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<a href="../c2/1.html">
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bluesky
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</a>
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</li>
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<li class="chapter " data-level="1.4.2" data-path="../c2/2.html">
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<a href="../c2/2.html">
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terminal
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</a>
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</li>
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<li class="chapter " data-level="1.4.3" data-path="../c2/3.html">
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<a href="../c2/3.html">
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shell
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</a>
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</li>
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<li class="chapter " data-level="1.4.4" data-path="../c2/4.html">
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<a href="../c2/4.html">
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rust
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</a>
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</li>
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</ul>
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</li>
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<li class="chapter " data-level="1.5" data-path="./">
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<a href="./">
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part 3
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</a>
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<ul class="articles">
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<li class="chapter active" data-level="1.5.1" data-path="1.html">
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<a href="1.html">
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hello world
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</a>
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</li>
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<li class="chapter " data-level="1.5.2" data-path="2.html">
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<a href="2.html">
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seahorse
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</a>
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</li>
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<li class="chapter " data-level="1.5.3" data-path="3.html">
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<a href="3.html">
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reqwest
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</a>
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</li>
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</ul>
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</li>
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<li class="chapter " data-level="1.6" data-path="../c4/">
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<a href="../c4/">
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part 4
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</a>
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<ul class="articles">
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<li class="chapter " data-level="1.6.1" data-path="../c4/0.html">
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<a href="../c4/0.html">
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ai
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</a>
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</li>
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<li class="chapter " data-level="1.6.2" data-path="../c4/1.html">
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<a href="../c4/1.html">
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config
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</a>
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</li>
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<li class="chapter " data-level="1.6.3" data-path="../c4/2.html">
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<a href="../c4/2.html">
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mention
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</a>
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</li>
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<li class="chapter " data-level="1.6.4" data-path="../c4/3.html">
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<a href="../c4/3.html">
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base64
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</a>
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</li>
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</ul>
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</li>
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<li class="chapter " data-level="1.7" data-path="../c5/">
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<a href="../c5/">
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part 5
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</a>
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<ul class="articles">
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<li class="chapter " data-level="1.7.1" data-path="../c5/1.html">
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<a href="../c5/1.html">
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notify
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</a>
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</li>
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<li class="chapter " data-level="1.7.2" data-path="../c5/2.html">
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<a href="../c5/2.html">
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timeline
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</a>
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</li>
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<li class="chapter " data-level="1.7.3" data-path="../c5/3.html">
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<a href="../c5/3.html">
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refresh
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</a>
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</ul>
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</li>
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<li class="chapter " data-level="1.8" data-path="../end/">
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<a href="../end/">
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end
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</a>
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</ul>
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</nav>
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</div>
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<div class="book-body">
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<div class="body-inner">
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<div class="book-header" role="navigation">
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<!-- Title -->
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<h1>
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<i class="fa fa-circle-o-notch fa-spin"></i>
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<a href=".." >hello world</a>
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</h1>
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</div>
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<div class="page-wrapper" tabindex="-1" role="main">
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<div class="page-inner">
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<div id="book-search-results">
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<div class="search-noresults">
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<section class="normal markdown-section">
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<h3 id="init">init</h3>
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<p>まず、rustでプログラムの雛形を作ります。</p>
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<pre><code class="lang-sh">mkdir -p ~/rust
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<span class="hljs-built_in">cd</span> ~/rust
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cargo init
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</code></pre>
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<pre><code class="lang-sh">.
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├── Cargo.toml
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└── src
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└── main.rs
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</code></pre>
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||
|
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<p>これらのファイルは自分で作成してもいいし、<code>init</code>で作成してもいいです。</p>
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||
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<div><p class="code-filename">Cargo.toml</p></div>
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||
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|
<pre><code class="lang-toml"><span class="hljs-section">[package]</span>
|
||
|
|
<span class="hljs-attr">name</span> = <span class="hljs-string">"rust"</span>
|
||
|
|
<span class="hljs-attr">version</span> = <span class="hljs-string">"0.1.0"</span>
|
||
|
|
<span class="hljs-attr">edition</span> = <span class="hljs-string">"2021"</span>
|
||
|
|
|
||
|
|
<span class="hljs-comment"># See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html</span>
|
||
|
|
<span class="hljs-section">
|
||
|
|
[dependencies]</span>
|
||
|
|
</code></pre>
|
||
|
|
<div><p class="code-filename">src/main.rs</p></div>
|
||
|
|
<pre><code class="lang-rust"><span class="hljs-function"><span class="hljs-keyword">fn</span> <span class="hljs-title">main</span></span>() {
|
||
|
|
<span class="hljs-built_in">println!</span>(<span class="hljs-string">"Hello, world!"</span>);
|
||
|
|
}
|
||
|
|
</code></pre>
|
||
|
|
<p>ちなみに、コンピュータ上ではディレクトリもファイルなのです。この話は面倒なので省略します。</p>
|
||
|
|
<h4 id="editor">editor</h4>
|
||
|
|
<p>次にプログラムの中身を確認してみます。</p>
|
||
|
|
<p>確認するには、editor(エディタ)を使用します。私は<code>vim</code>を使いますが、<a href="https://visualstudio.microsoft.com" target="_blank">visual studio</a>がオススメかな。</p>
|
||
|
|
<pre><code class="lang-sh">brew install vim
|
||
|
|
vim src/main.rs
|
||
|
|
</code></pre>
|
||
|
|
<div><p class="code-filename">src/main.rs</p></div>
|
||
|
|
<pre><code class="lang-rust"><span class="hljs-function"><span class="hljs-keyword">fn</span> <span class="hljs-title">main</span></span>() {
|
||
|
|
<span class="hljs-built_in">println!</span>(<span class="hljs-string">"Hello, world!"</span>);
|
||
|
|
}
|
||
|
|
</code></pre>
|
||
|
|
<p>これは<code>hello world!</code>という文字列を出力するプログラムです。</p>
|
||
|
|
<h4 id="build">build</h4>
|
||
|
|
<p>このsrcを<code>build</code>して<code>binary</code>、つまり、アプリ本体に変換することで、そのパソコンで実行できるようになります。</p>
|
||
|
|
<pre><code class="lang-sh">cargo build
|
||
|
|
</code></pre>
|
||
|
|
<div><p class="code-filename">target/debug/rust</p></div>
|
||
|
|
<pre><code class="lang-sh">target
|
||
|
|
└── debug
|
||
|
|
├── rust ← このファイルがbinary
|
||
|
|
└── rust.d
|
||
|
|
</code></pre>
|
||
|
|
<p>rustはワンバイナリと言って、コンパイル結果が単一ファイルなので、非常に良い言語です。</p>
|
||
|
|
<pre><code class="lang-sh">$ ./target/debug/rust
|
||
|
|
Hello, world!
|
||
|
|
</code></pre>
|
||
|
|
|
||
|
|
|
||
|
|
</section>
|
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|
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|
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</div>
|
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</div>
|
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</div>
|
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|
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|
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<a href="./" class="navigation navigation-prev " aria-label="Previous page: part 3">
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<i class="fa fa-angle-left"></i>
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<a href="2.html" class="navigation navigation-next " aria-label="Next page: seahorse">
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</div>
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<script>
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var gitbook = gitbook || [];
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gitbook.push(function() {
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gitbook.page.hasChanged({"page":{"title":"hello world","level":"1.5.1","depth":2,"next":{"title":"seahorse","level":"1.5.2","depth":2,"path":"c3/2.md","ref":"c3/2.md","articles":[]},"previous":{"title":"part 3","level":"1.5","depth":1,"path":"c3/README.md","ref":"c3/README.md","articles":[{"title":"hello world","level":"1.5.1","depth":2,"path":"c3/1.md","ref":"c3/1.md","articles":[]},{"title":"seahorse","level":"1.5.2","depth":2,"path":"c3/2.md","ref":"c3/2.md","articles":[]},{"title":"reqwest","level":"1.5.3","depth":2,"path":"c3/3.md","ref":"c3/3.md","articles":[]}]},"dir":"ltr"},"config":{"plugins":["-sharing","codeblock-filename","mermaid-gb3","diff"],"root":"./","styles":{"website":"styles/website.css","pdf":"styles/pdf.css","epub":"styles/epub.css","mobi":"styles/mobi.css","ebook":"styles/ebook.css","print":"styles/print.css"},"pluginsConfig":{"codeblock-filename":{},"mermaid-gb3":{},"diff":{"type":"markdown","method":"diffChars","options":{}},"highlight":{},"search":{},"lunr":{"maxIndexSize":1000000,"ignoreSpecialCharacters":false},"fontsettings":{"theme":"white","family":"sans","size":2},"theme-default":{"styles":{"website":"styles/website.css","pdf":"styles/pdf.css","epub":"styles/epub.css","mobi":"styles/mobi.css","ebook":"styles/ebook.css","print":"styles/print.css"},"showLevel":false}},"theme":"default","author":"syui","pdf":{"pageNumbers":true,"fontSize":12,"fontFamily":"Arial","paperSize":"a4","chapterMark":"pagebreak","pageBreaksBefore":"/","margin":{"right":62,"left":62,"top":56,"bottom":56}},"structure":{"langs":"LANGS.md","readme":"README.md","glossary":"GLOSSARY.md","summary":"SUMMARY.md"},"variables":{},"title":"hello world! bluesky","gitbook":"*","description":"This is a bluesky ai-card example, and first rust"},"file":{"path":"c3/1.md","mtime":"2023-07-24T10:43:41.702Z","type":"markdown"},"gitbook":{"version":"3.3.6","time":"2023-09-16T08:55:27.618Z"},"basePath":"..","book":{"language":""}});
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<script src="../gitbook/gitbook-plugin-mermaid-gb3/book/plugin.js"></script>
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<script src="../gitbook/gitbook-plugin-search/search-engine.js"></script>
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<script src="../gitbook/gitbook-plugin-lunr/lunr.min.js"></script>
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<script src="../gitbook/gitbook-plugin-mermaid-gb3/mermaid/mermaid.min.js"></script>
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</html>
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