{"id":44875,"date":"2023-06-10T20:46:15","date_gmt":"2023-08-02T17:18:20","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/44875-2\/"},"modified":"2024-04-30T08:14:34","modified_gmt":"2024-04-30T00:14:34","slug":"44875-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/44875-2\/","title":{"rendered":""},"content":{"rendered":"<h1>\u5c0e\u5165<\/h1>\n<p>\u7686\u3055\u3093\u3053\u3093\u306b\u3061\u306f\u3002\u8da3\u5473\u3067Rust\u3092\u4f7f\u3063\u3066\u30b3\u30f3\u30d1\u30a4\u30e9\u3092\u4f5c\u3063\u3066\u308b\u3089\u3044\u30d1\u30f3\u7c89\u3067\u3059\u3002<br \/>\n\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9eRust\u306e\u826f\u3055\u3092\u96d1\u306b\u3042\u3063\u3074\u308b\u3057\u3066\u3044\u304d\u307e\u3059\u3002<br \/>\n\u3067\u306f\u3001\u65e9\u901fcargo run\uff01(\u3053\u306e\u30b3\u30de\u30f3\u30c9\u3067Rust\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u5b9f\u884c\u3055\u308c\u308b)<br \/>\nC,C++\u306e\u30b3\u30fc\u30c9\u304c\u51fa\u3066\u304f\u308b\u306e\u3067\u899a\u609f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h1>Rust\u3068\u306f<\/h1>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Mozilla\u304c\u5fdc\u63f4\u3057\u3066\u3044\u308b\u8a00\u8a9e<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Microsoft\u3082\u6ce8\u76ee\u3057\u3066\u3044\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">2006\u5e74\u304b\u3089\u958b\u767a\u304c\u59cb\u307e\u3063\u305f\u65b0\u3057\u3081\u306e\u8a00\u8a9e<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">2016\u5e74\u30012017\u5e74\u30012018\u5e74\u306eStack Overflow Developer Survey\u3067\u300c\u6700\u3082\u611b\u3055\u308c\u3066\u3044\u308b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u300d\u3067\u4e00\u4f4d\u3092\u7372\u5f97\u3057\u3066\u3044\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">C\/C++\u3068\u540c\u7b49\u306e\u51e6\u7406\u901f\u5ea6<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">C\/C++\u306e\u4ee3\u66ff\u3048\u3092\u76ee\u6307\u3057\u3066\u3044\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u9759\u7684\u306b\u578b\u304c\u4ed8\u304f\u3001\u30b3\u30f3\u30d1\u30a4\u30e9\u8a00\u8a9e<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u9759\u7684\u306b\u5909\u6570\u306e\u5bff\u547d\u3082\u308f\u304b\u308a\u3001\u81ea\u52d5\u3067\u30e1\u30e2\u30ea\u3092\u89e3\u653e\uff08GC\u3088\u308a\u901f\u3044\uff01\uff09<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u95a2\u6570\u5185\u90e8\u9650\u5b9a\u3067\u306e\u6975\u3081\u3066\u8ce2\u3044\u578b\u63a8\u8ad6<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">C\/C++\u3068\u6bd4\u3079\u3066\u6975\u3081\u3066\u5b89\u5168<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u3067\u306f\u306a\u3044\u3057\u95a2\u6570\u578b\u8a00\u8a9e\u3067\u3082\u306a\u3044\u65b0\u305f\u306a\u6982\u5ff5\u3092\u6301\u3064<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u30b9\u30ec\u30c3\u30c9\u30bb\u30fc\u30d5\u304c\u4fdd\u8a3c\u3055\u308c\u305f\u5909\u6570\u9054<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">C++\u306e\u30e0\u30fc\u30d6\u30bb\u30de\u30f3\u30c6\u30a3\u30af\u30b9\u3092\u8a00\u8a9e\u30ec\u30d9\u30eb\u3067\u30b5\u30dd\u30fc\u30c8<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">C++\u3068\u9055\u3044\u3001\u5236\u7d04\u4ed8\u304d\u306e\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u304c\u3042\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">DSL\u4f5c\u6210\u53ef\u80fd\u3067\u5065\u5168\u306a\u30de\u30af\u30ed<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30bf\u30d7\u30eb\u3001\u4ee3\u6570\u7684\u30c7\u30fc\u30bf\u578b\u3068\u30de\u30c3\u30c1\u5f0f\u3082\u3042\u308a\u307e\u3059<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u6a19\u6e96\u3067\u30c6\u30b9\u30c8\u6a5f\u80fd\u304c\u4ed8\u3044\u3066\u3044\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u6a19\u6e96\u3067\u30d1\u30c3\u30b1\u30fc\u30b8\u30de\u30cd\u30fc\u30b8\u30e3\u30fc\u304c\u3042\u308b<\/ul>\n<p>\u3056\u3063\u3068\u3053\u3093\u306a\u611f\u3058\u3002<br \/>\n\u3067\u306f\u3001\u65e9\u901fRust\u3092\u8a9e\u3063\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<h1>\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u304c\u3042\u308a\u3048\u306a\u3044\u307b\u3069\u7c21\u5358\uff01<\/h1>\n<p>\u57fa\u672c\u7684\u306b\u306f\u3053\u306e\u30da\u30fc\u30b8\u306b\u5f93\u3046\u3060\u3051\u3067\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306f\u7d42\u308f\u308a\u307e\u3059\u3002<br \/>\nhttps:\/\/www.rust-lang.org\/ja-JP\/install.html<\/p>\n<p>Windows\u306a\u3089\u30a4\u30f3\u30b9\u30c8\u30fc\u30e9\u3092\u8d77\u52d5\u3059\u308b\u3060\u3051\u3002<br \/>\nMac\u3084Linux\u306f\u30bf\u30fc\u30df\u30ca\u30eb\u306b\u30b3\u30de\u30f3\u30c9\u3092\u30b3\u30d4\u30da\u3057\u3066Enter\u3059\u308b\u3060\u3051\u3067\u3059\u3002<br \/>\n\u7c21\u5358\uff01<\/p>\n<h1>\u7206\u901f\u3067\u3046\u3054\u304fHelloWorld\uff01<\/h1>\n<p>Rust\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u3068\u4e09\u3064\u306ecommand\u304c\u4f7f\u3048\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<br \/>\nRust\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3092\u3059\u308brustup\u3002<br \/>\nRust\u306e\u30b3\u30f3\u30d1\u30a4\u30e9rustc\u3002<br \/>\n\u30d1\u30c3\u30b1\u30fc\u30b8\u30de\u30cd\u30fc\u30b8\u30e3\u30fc\u306ecargo\u3002<br \/>\n\u3057\u304b\u3057\u3001\u5b9f\u969b\u306b\u89e6\u308b\u306e\u306fcargo\u3060\u3051\u3067\u3059\u3002\u4ed6\u4e8c\u3064\u306f\u3081\u3063\u305f\u306b\u89e6\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u305d\u3057\u3066\u3001\u4ee5\u4e0b\u306ecommand\u3067\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u304c\u751f\u6210\u3055\u308c\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>cargo new \u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u540d\r\n<\/code><\/pre>\n<p>\u305d\u3057\u3066cd \u30b3\u30de\u30f3\u30c9\u3067\u3067\u304d\u305f\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u4e2d\u306b\u5165\u308a\u3001\u4ee5\u4e0b\u306ecommand\u3092\u6253\u3061\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>cargo run\r\n<\/code><\/pre>\n<p>\u305d\u3046\u3059\u308b\u3068\u753b\u9762\u306bHelloWorld\u304c\u51fa\u529b\u3055\u308c\u308b\u3067\u3057\u3087\u3046\u3002<br \/>\nRust\u3067\u306f\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3059\u308b\u3068\u3001main.rs\u3068\u3044\u3046\u30d5\u30a1\u30a4\u30eb\u304c\u751f\u6210\u3055\u308c\u308b\u3002<br \/>\n\u3053\u308c\u304c\u3044\u308f\u3086\u308bRust\u306e\u30bd\u30fc\u30b9\u30d5\u30a1\u30a4\u30eb\u306b\u306a\u308a\u3001main.rs\u306e\u4e2d\u8eab\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">fn<\/span> <span class=\"nf\">main<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nd\">println!<\/span><span class=\"p\">(<\/span><span class=\"s\">\"Hello, world!\"<\/span><span class=\"p\">);<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u305d\u3046\uff01Rust\u3067\u306f\u3082\u306f\u3084HelloWorld\u306f\u66f8\u304f\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002<br \/>\n\u308f\u30fc\u304a<\/p>\n<h1>\u516c\u5f0f\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u304c\u65e5\u672c\u8a9e\u306b\u7ffb\u8a33\u3055\u308c\u3066\u3044\u308b<\/h1>\n<p>\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u304c\u65e5\u672c\u8a9e\u3067\u3042\u308b\u306e\u306f\u3046\u308c\u3057\u3044\u3067\u3059\u306d\u3002<br \/>\n\u3059\u3053\u3057\u3001\u7ffb\u8a33\u304c\u304c\u3070\u304c\u3070\u306a\u6c17\u304c\u3057\u307e\u3059\u304c\u3001\u5168\u7136\u8aad\u3081\u307e\u3059\u3002<br \/>\nhttps:\/\/doc.rust-jp.rs\/book-ja\/index.html<br \/>\n\u307b\u3068\u3093\u3069\u5168\u3066\u306e\u6a5f\u80fd\u304c\u8aac\u660e\u3055\u308c\u3066\u3044\u307e\u3059\u3002<br \/>\n\u307e\u305f\u3001Rust\u306e\u65e5\u672c\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u306eslack\u3082\u3042\u308a\u307e\u3059\u3002<br \/>\nRust\u306e\u9054\u4eba\u304c\u305f\u304f\u3055\u3093\u3044\u308b\u306e\u3067\u77e5\u6075\u888b\u3084\u30b9\u30bf\u30c3\u30af\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u3067\u805e\u304f\u3088\u308a\u826f\u3044\u3067\u3059\u3002<br \/>\nhttps:\/\/rust-jp.herokuapp.com\/<\/p>\n<h1>\u6240\u6709\u6a29&amp;\u30e9\u30a4\u30d5\u30bf\u30a4\u30e0\u306b\u3088\u308b\u3001\u5b89\u5168\u3067\u512a\u308c\u305f\u8a2d\u8a08\u306e\u5f37\u5236<\/h1>\n<p>Rust\u306f\u6240\u6709\u6a29\u3068\u501f\u7528\u30b7\u30b9\u30c6\u30e0\u306b\u3088\u308a\u3001\u5b89\u5168\u3067\u512a\u308c\u305f\u8a2d\u8a08\u3092\u5f37\u5236\u3057\u307e\u3059\u3002<br \/>\n\u3053\u306e\u3053\u3068\u3088\u308a\u3001Rust\u3092\u5b66\u3076\u3053\u3068\u306f\u3001\u30d7\u30ed\u30b0\u30e9\u30de\u30fc\u3068\u3057\u3066\u306e\u8a2d\u8a08\u80fd\u529b\u3092\u3044\u3063\u305d\u3046\u6210\u9577\u3055\u305b\u308b\u3068\u601d\u3044\u307e\u3059\u3002<br \/>\n\u3067\u306f\u307e\u305a\u3001\u4ee5\u4e0b\u306e\u304f\u305d\u307f\u305f\u3044\u306aC\u306e\u30b3\u30fc\u30c9\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"cp\">#include<\/span> <span class=\"cpf\">&lt;stdio.h&gt;<\/span>\r\n\r\n<span class=\"kt\">int<\/span><span class=\"o\">*<\/span> <span class=\"nf\">hoge<\/span><span class=\"p\">(<\/span><span class=\"kt\">int<\/span> <span class=\"n\">a<\/span><span class=\"p\">,<\/span> <span class=\"kt\">int<\/span> <span class=\"n\">b<\/span><span class=\"p\">){<\/span>\r\n    <span class=\"kt\">int<\/span> <span class=\"n\">c<\/span> <span class=\"o\">=<\/span> <span class=\"n\">a<\/span> <span class=\"o\">+<\/span> <span class=\"n\">b<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"o\">&amp;<\/span><span class=\"n\">c<\/span><span class=\"p\">;<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"kt\">int<\/span> <span class=\"nf\">main<\/span><span class=\"p\">(<\/span><span class=\"kt\">void<\/span><span class=\"p\">)<\/span>\r\n<span class=\"p\">{<\/span>\r\n    <span class=\"n\">printf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"%d\"<\/span><span class=\"p\">,<\/span> <span class=\"o\">*<\/span><span class=\"n\">hoge<\/span><span class=\"p\">(<\/span><span class=\"mi\">8<\/span><span class=\"p\">,<\/span> <span class=\"mi\">2<\/span><span class=\"p\">));<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"mi\">0<\/span><span class=\"p\">;<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u3053\u3061\u3089\u3067\u5b9f\u884c\u3067\u304d\u307e\u3059\u3002<br \/>\nhttps:\/\/wandbox.org\/permlink\/nhTU8h2gJnIKJtFQ<br \/>\nhoge\u95a2\u6570\u306f8\u30682\u3092\u53d7\u3051\u53d6\u308a\u3001\u8db3\u3057\u305f\u7d50\u679c\u3092\u5909\u6570c\u306b\u5165\u308c\u3001\u305d\u306ec\u306e\u30dd\u30a4\u30f3\u30bf\u3092\u8fd4\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\nmain\u3067\u306f\u5909\u6570c\u306e\u53c2\u7167\u3092\u30c7\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u3057\u3066\u753b\u9762\u306b\u8868\u793a\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\n\u30c7\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u3068\u306f\u30dd\u30a4\u30f3\u30bf\u304c\u6307\u3057\u3066\u3044\u308b\u5024\u3092\u53d6\u5f97\u3059\u308b\u3053\u3068\u3067\u3059\u3002<br \/>\nGCC4.9.3\u30b3\u30f3\u30d1\u30a4\u30e9\u3067\u306f10\u304c\u753b\u9762\u306b\u8868\u793a\u3055\u308c\u307e\u3057\u305f\u3002<br \/>\n\u3057\u304b\u3057\u30ed\u30fc\u30ab\u30eb\u5909\u6570c\u306e\u5bff\u547d\u306fhoge\u5185\u3060\u3051\u306a\u306e\u3067\u3001c\u306e\u30dd\u30a4\u30f3\u30bf\u3092hoge\u306e\u30b9\u30b3\u30fc\u30d7\u5916\u306b\u6e21\u3059\u306e\u306f\u672a\u5b9a\u7fa9\u52d5\u4f5c\u3067\u3059\u3002<br \/>\n\u672a\u5b9a\u7fa9\u52d5\u4f5c\u3068\u306f\u3001\u4f55\u304c\u8d77\u304d\u308b\u304b\u308f\u304b\u3089\u306a\u3044\u3068\u3044\u3046\u610f\u5473\u3067\u3059\u3002<br \/>\n\u3053\u306e\u4f8b\u3067\u306f\u904b\u3088\u304f8+2\u304c\u8868\u793a\u3055\u308c\u307e\u3057\u305f\u304c\u3001\u6b21\u306f\u3069\u3046\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"cp\">#include<\/span> <span class=\"cpf\">&lt;stdio.h&gt;<\/span>\r\n\r\n<span class=\"kt\">int<\/span><span class=\"o\">*<\/span> <span class=\"nf\">hoge<\/span><span class=\"p\">(<\/span><span class=\"kt\">int<\/span> <span class=\"n\">a<\/span><span class=\"p\">,<\/span> <span class=\"kt\">int<\/span> <span class=\"n\">b<\/span><span class=\"p\">){<\/span>\r\n    <span class=\"kt\">int<\/span> <span class=\"n\">c<\/span> <span class=\"o\">=<\/span> <span class=\"n\">a<\/span> <span class=\"o\">+<\/span> <span class=\"n\">b<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"o\">&amp;<\/span><span class=\"n\">c<\/span><span class=\"p\">;<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"kt\">void<\/span> <span class=\"nf\">fuga<\/span><span class=\"p\">(<\/span><span class=\"kt\">int<\/span><span class=\"o\">*<\/span> <span class=\"n\">d<\/span><span class=\"p\">){<\/span>\r\n    <span class=\"kt\">int<\/span> <span class=\"n\">s<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">777<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"n\">printf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"%d\"<\/span><span class=\"p\">,<\/span> <span class=\"o\">*<\/span><span class=\"n\">d<\/span><span class=\"p\">);<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"kt\">int<\/span> <span class=\"nf\">main<\/span><span class=\"p\">(<\/span><span class=\"kt\">void<\/span><span class=\"p\">)<\/span>\r\n<span class=\"p\">{<\/span>\r\n    <span class=\"n\">fuga<\/span><span class=\"p\">(<\/span><span class=\"n\">hoge<\/span><span class=\"p\">(<\/span><span class=\"mi\">8<\/span><span class=\"p\">,<\/span> <span class=\"mi\">2<\/span><span class=\"p\">));<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"mi\">0<\/span><span class=\"p\">;<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u3053\u3061\u3089\u3067\u5b9f\u884c\u3067\u304d\u307e\u3059<br \/>\nhttps:\/\/wandbox.org\/permlink\/qVQkNsJOlkFQcxje<br \/>\n\u79c1\u304c\u5b9f\u884c\u3057\u305f\u3068\u304d\u306f\u753b\u9762\u306b\u306f10\u3067\u306f\u306a\u304f777\u304c\u8868\u793a\u3055\u308c\u307e\u3057\u305f\u3002<br \/>\n\u3053\u308c\u306f\u671b\u3080\u7d50\u679c\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<br \/>\nC\u8a00\u8a9e\u3067\u306f\u3053\u306e\u3088\u3046\u306a\u5371\u967a\u306a\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u304c\u3001Rust\u3067\u306f\u30dd\u30a4\u30f3\u30bf\u306e\u5bff\u547d\u3092\u53b3\u683c\u306b\u7ba1\u7406\u3059\u308b\u305f\u3081\u3001\u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u306b\u30a8\u30e9\u30fc\u3057\u3066\u304f\u308c\u307e\u3059\u3002<br \/>\n\u307e\u3042\u3001\u3068\u3044\u3063\u3066\u3082\u6700\u8fd1\u306eC\u30b3\u30f3\u30d1\u30a4\u30e9\u306f\u8ce2\u3044\u306e\u3067\u3053\u306e\u985e\u306e\u672a\u5b9a\u7fa9\u52d5\u4f5c\u306f\u8b66\u544a\u3057\u3066\u304f\u308c\u308b\u306e\u3067\u3059\u3050\u306b\u6c17\u304c\u4ed8\u304d\u307e\u3059\u304c\u3002<\/p>\n<p>\u4e00\u5fdcRust\u3067\u66f8\u304f\u3068\u3053\u3093\u306a\u611f\u3058\u3067\u3059\u3002\u3053\u308c\u306f\u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">fn<\/span> <span class=\"n\">hoge<\/span><span class=\"o\">&lt;<\/span><span class=\"nv\">'a<\/span><span class=\"o\">&gt;<\/span><span class=\"p\">(<\/span><span class=\"n\">a<\/span><span class=\"p\">:<\/span><span class=\"nb\">i32<\/span><span class=\"p\">,<\/span> <span class=\"n\">b<\/span><span class=\"p\">:<\/span><span class=\"nb\">i32<\/span><span class=\"p\">)<\/span> <span class=\"k\">-&gt;<\/span> <span class=\"o\">&amp;<\/span><span class=\"nv\">'a<\/span> <span class=\"nb\">i32<\/span><span class=\"p\">{<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">c<\/span><span class=\"o\">=<\/span> <span class=\"n\">a<\/span> <span class=\"o\">+<\/span> <span class=\"n\">b<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"o\">&amp;<\/span><span class=\"n\">c<\/span><span class=\"p\">;<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">fn<\/span> <span class=\"nf\">main<\/span><span class=\"p\">(){<\/span>\r\n    <span class=\"nd\">println!<\/span><span class=\"p\">(<\/span><span class=\"s\">\"{}\"<\/span><span class=\"p\">,<\/span> <span class=\"nf\">hoge<\/span><span class=\"p\">(<\/span><span class=\"mi\">8<\/span><span class=\"p\">,<\/span> <span class=\"mi\">2<\/span><span class=\"p\">));<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc\u306e\u5185\u5bb9\u306f\u3001\u5909\u6570c\u306e\u5bff\u547d\u304c\u77ed\u3044\u306e\u3067\u6301\u3061\u51fa\u305b\u306a\u3044\u3088\uff01\u3068\u3044\u3063\u305f\u30a8\u30e9\u30fc\u3067\u3057\u305f\u3002<br \/>\nRust\u3067\u306f\u30dd\u30a4\u30f3\u30bf\u304c\u7121\u52b9\u306a\u5834\u6240\u3092\u6307\u3055\u306a\u3044\u3088\u3046\u306b\u3001\u5bff\u547d\uff08\u30e9\u30a4\u30d5\u30bf\u30a4\u30e0\uff09\u304c\u6709\u52b9\u304b\u3069\u3046\u304b\u3092\u9759\u7684\u306b\u691c\u67fb\u3057\u307e\u3059\u3002<\/p>\n<p>\u6b21\u306b\u3088\u308a\u6df1\u523b\u7684\u306a\u30b1\u30fc\u30b9\u3092C++\u3067\u7d39\u4ecb\u3057\u307e\u3059\u3002<br \/>\n\u3053\u308c\u306fC++\u3060\u3051\u3067\u306a\u304fC#\u3084Java\u306b\u3082\u8d77\u3053\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h3>\u3010\u4f8b\u984c\u3011<\/h3>\n<p>\u3042\u308b\u3068\u3053\u308d\u306b\u3001\u4e8c\u4eba\u306e\u82e5\u8005\u3001a\u3068b\u304c\u3044\u305f\u3002<br \/>\n\u3042\u308b\u65e5\u3001\u4e8c\u4eba\u306f\u4f53\u529b\u52dd\u8ca0\u3092\u3059\u308b\u305f\u3081\u306b\u3001\u3069\u308c\u3060\u3051\u30b8\u30e3\u30f3\u30d7\u3067\u304d\u308b\u304b\u3092\u7af6\u3046\u3053\u3068\u306b\u3057\u305f\u3002<br \/>\n\u305d\u306e\u305f\u3081\u306b\u30ab\u30a6\u30f3\u30bf\u30fc\u3092\u7528\u610f\u3057\u3066\u3001\u30b8\u30e3\u30f3\u30d7\u3059\u308b\u305f\u3073\u306b\u30ab\u30a6\u30f3\u30c8\u3057\u3066\u3001\u30ab\u30a6\u30f3\u30c8\u6570\u304c\u591a\u3044\u65b9\u304c\u52dd\u3061\u3068\u3057\u305f\u3002<\/p>\n<p>\u3067\u306f\u65e9\u901f\u3053\u308c\u3092C++\u3067\u5b9f\u88c5\u3057\u3066\u307f\u308b\u3002<br \/>\n\u904b\u304c\u60aa\u304f\u3001\u3053\u308c\u3092\u5b9f\u88c5\u3057\u305fC++\u30d7\u30ed\u30b0\u30e9\u30de\u306f\u521d\u5fc3\u8005\u3067\u3042\u3063\u305f\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c1\">\/\/\u6570\u5024\u3092\u30ab\u30a6\u30f3\u30c8\u3059\u308b\u6a5f\u68b0<\/span>\r\n<span class=\"k\">class<\/span> <span class=\"nc\">Counter<\/span><span class=\"p\">{<\/span>\r\n    <span class=\"kt\">int<\/span> <span class=\"n\">cnt<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">0<\/span><span class=\"p\">;<\/span>\r\n<span class=\"nl\">public:<\/span>\r\n    <span class=\"c1\">\/\/\u30ab\u30a6\u30f3\u30c8\u3059\u308b<\/span>\r\n    <span class=\"kt\">void<\/span> <span class=\"n\">count<\/span><span class=\"p\">(){<\/span>\r\n        <span class=\"n\">cnt<\/span><span class=\"o\">++<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"p\">}<\/span>\r\n<span class=\"p\">};<\/span>\r\n\r\n<span class=\"c1\">\/\/\u30b8\u30e3\u30f3\u30d7\u3059\u308b\u4eba<\/span>\r\n<span class=\"k\">class<\/span> <span class=\"nc\">Jumper<\/span><span class=\"p\">{<\/span>\r\n    <span class=\"n\">Counter<\/span><span class=\"o\">*<\/span> <span class=\"n\">c<\/span><span class=\"p\">;<\/span>\r\n<span class=\"nl\">public:<\/span>\r\n    <span class=\"n\">Jumper<\/span><span class=\"p\">(<\/span><span class=\"n\">Counter<\/span><span class=\"o\">*<\/span> <span class=\"n\">c<\/span><span class=\"p\">){<\/span>\r\n        <span class=\"k\">this<\/span><span class=\"o\">-&gt;<\/span><span class=\"n\">c<\/span> <span class=\"o\">=<\/span> <span class=\"n\">c<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"p\">}<\/span>\r\n    <span class=\"c1\">\/\/\u30b8\u30e3\u30f3\u30d7\u3059\u308b\u3002\u30b8\u30e3\u30f3\u30d7\u3057\u305f\u3089\u30ab\u30a6\u30f3\u30c8\u3059\u308b<\/span>\r\n    <span class=\"kt\">void<\/span> <span class=\"nf\">jump<\/span><span class=\"p\">(){<\/span>\r\n        <span class=\"n\">c<\/span><span class=\"o\">-&gt;<\/span><span class=\"n\">count<\/span><span class=\"p\">();<\/span>\r\n    <span class=\"p\">}<\/span>\r\n    <span class=\"o\">~<\/span><span class=\"n\">Jumper<\/span><span class=\"p\">(){<\/span>\r\n        <span class=\"k\">delete<\/span> <span class=\"n\">c<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"p\">}<\/span>\r\n<span class=\"p\">};<\/span>\r\n\r\n<span class=\"kt\">int<\/span> <span class=\"nf\">main<\/span><span class=\"p\">()<\/span>\r\n<span class=\"p\">{<\/span>\r\n    <span class=\"n\">Counter<\/span><span class=\"o\">*<\/span> <span class=\"n\">c<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"n\">Counter<\/span><span class=\"p\">();<\/span>\r\n    <span class=\"n\">Jumper<\/span> <span class=\"n\">a<\/span> <span class=\"o\">=<\/span> <span class=\"n\">Jumper<\/span><span class=\"p\">(<\/span><span class=\"n\">c<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"n\">Jumper<\/span> <span class=\"n\">b<\/span> <span class=\"o\">=<\/span> <span class=\"n\">Jumper<\/span><span class=\"p\">(<\/span><span class=\"n\">c<\/span><span class=\"p\">);<\/span><span class=\"c1\">\/\/\u304a\u304a\u3063\u3068\uff01\u9593\u9055\u3048\u3066\u4e8c\u4eba\u306b\u540c\u3058\u30ab\u30a6\u30f3\u30bf\u30fc\u3092\u914d\u5e03\u3057\u3066\u3057\u307e\u3063\u305f\uff01<\/span>\r\n    <span class=\"n\">a<\/span><span class=\"p\">.<\/span><span class=\"n\">jump<\/span><span class=\"p\">();<\/span>\r\n    <span class=\"n\">b<\/span><span class=\"p\">.<\/span><span class=\"n\">jump<\/span><span class=\"p\">();<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u3053\u306e\u30b3\u30fc\u30c9\u306b\u306f3\u3064\u306e\u554f\u984c\u304c\u3042\u308b\u3002<br \/>\n1\u3064\u306f\u540c\u3058\u30ab\u30a6\u30f3\u30bf\u30fc\u3092\u4e8c\u4eba\u306b\u6e21\u3057\u3066\u3057\u307e\u3063\u305f\u306e\u3067\u8a08\u6e2c\u304c\u3067\u304d\u306a\u3044\u3053\u3068\u3067\u3042\u308b\u3002<br \/>\n\u3082\u30461\u3064\u306f\u308f\u304b\u308a\u305a\u3089\u3044\u304c\u3001Counter\u3092Jumper\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u3067\u4e8c\u56dedelete\u3057\u3066\u3044\u308b\u3068\u3053\u308d\u3067\u3042\u308b\u3002<br \/>\n\u305d\u3057\u3066\u6700\u5f8c\u306f\u3053\u306e\u3001a\u3068b\u304c\u975e\u540c\u671f\u3067\u5b9f\u884c\u3055\u308c\u308b\u6642\u306b\u8d77\u304d\u308b\u3002<br \/>\n\u3082\u3057a\u3068b\u304c\u975e\u540c\u671f\u3067\u72ec\u7acb\u3057\u3066\u52d5\u304f\u30d7\u30ed\u30bb\u30b9\u3060\u3068\u3057\u3066\u3001\u4e8c\u4eba\u304c\u540c\u6642\u306bjump\u3057\u305f\u3089\u3069\u3046\u306a\u308b\u3060\u308d\u3046\uff1f<\/p>\n<p>\u305d\u3046\uff01\u305f\u3063\u305f\u3053\u308c\u3060\u3051\u306e\u30b3\u30fc\u30c9\u3067\u3082\u305f\u304f\u3055\u3093\u8003\u616e\u3057\u306a\u3044\u3068\u3044\u3051\u306a\u3044\u3053\u3068\u304c\u3042\u308b\uff01\uff01<br \/>\n\u5024\u304c\u3069\u3053\u3067\u66f8\u304d\u63db\u308f\u308b\u306e\u304b\u3001<br \/>\n\u305d\u306e\u5024\u306f\u3082\u3046\u524a\u9664\u3055\u308c\u305f\u306e\u304b\u3001<br \/>\n\u305d\u308c\u306f\u30b9\u30ec\u30c3\u30c9\u30bb\u30fc\u30d5\u306a\u306e\u304b\u3001<br \/>\n\u3053\u308c\u306fJava\u3067\u3082C#\u3067\u3082\u5909\u308f\u3089\u306a\u3044\u3002<br \/>\n\u8a2d\u8a08\u3092\u614e\u91cd\u306b\u884c\u308f\u306a\u3051\u308c\u3070\u3001\u53ef\u8aad\u6027\u306e\u4f4e\u304f\u3001\u30d0\u30b0\u3092\u542b\u3093\u3060\u3001\u72b6\u614b\u307e\u307f\u308c\u306e\u30af\u30bd\u30b3\u30fc\u30c9\u306e\u5b8c\u6210\u3060\uff01<\/p>\n<p>Rust\u3067\u306f\u6240\u6709\u6a29\u30b7\u30b9\u30c6\u30e0\u304c\u3053\u306e\u3088\u3046\u306a\u30af\u30bd\u30b3\u30fc\u30c9\u3092\u8a31\u3055\u306a\u3044\u3002<\/p>\n<p>\u307e\u305aRust\u3067\u306f\u3001\u5024\u3092\u66f8\u304d\u63db\u3048\u308c\u308b\u8cac\u4efb\u306f\u4e00\u3064\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3057\u304b\u6301\u3066\u306a\u3044\u3002<br \/>\n\u3064\u307e\u308a\u3001a\u3068b\u306b\u540c\u3058\u30ab\u30a6\u30f3\u30bf\u30fc\u3092\u6e21\u3059\u3053\u3068\u306f\u4e0d\u53ef\u80fd\u3067\u3042\u308b\u3002<br \/>\n\u306a\u306e\u3067\u5024\u304c\u3069\u3053\u3067\u66f8\u304d\u63db\u308f\u308b\u304b\u306f\u3042\u307e\u308a\u610f\u8b58\u3057\u306a\u304f\u3066\u3088\u304f\u306a\u308b\u3002<\/p>\n<p>\u3055\u3089\u306bRust\u3067\u306f\u5024\u306e\u524a\u9664\u306f\u5168\u3066\u81ea\u52d5\u7684\u306b\u884c\u308f\u308c\u308b\uff08\u3053\u308c\u306b\u3064\u3044\u3066\u306f\u3042\u3068\u3067\uff09<br \/>\n\u306a\u306e\u3067\u3001\u5024\u306e\u524a\u9664\u306b\u3064\u3044\u3066\u8003\u3048\u308b\u3053\u3068\u306f\u306a\u3044\u3002<\/p>\n<p>\u305d\u3057\u3066\u3001\u5024\u306f\u5fc5\u305a\u4e00\u304b\u6240\u3067\u3057\u304b\u5909\u66f4\u3055\u308c\u306a\u3044\u305f\u3081\u3001\u975e\u540c\u671f\u3067\u3082\u554f\u984c\u306a\u304f\u52d5\u304f\u3002<\/p>\n<p>\u3053\u308c\u3067Rust\u304c\u3044\u304b\u306b\u5b89\u5168\u304b\u5206\u304b\u3063\u305f\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<h1>null\u5b89\u5168<\/h1>\n<p>Rust\u306e\u53c2\u7167\u307e\u305f\u306f\u30dd\u30a4\u30f3\u30bf\u306b\u306fnull\u304c\u5b58\u5728\u3057\u306a\u3044\u3002(\u4e00\u5fdc\u5b58\u5728\u306f\u3059\u308b\u304cunsafe\u5185\u3067\u306e\u307f\u4f7f\u7528\u53ef\u80fd)<br \/>\n\u306a\u306e\u3067\u3001\u9593\u9055\u3063\u3066null\u306e\u5024\u306b\u30a2\u30af\u30bb\u30b9\u3057\u305f\u308a\u3067\u304d\u306a\u3044\u3002<br \/>\nnull\u306e\u4ee3\u308f\u308a\u306bOption\u3068\u3044\u3046\u69cb\u9020\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u3002<br \/>\n\u4ee5\u4e0b\u306eC\u306e\u30b3\u30fc\u30c9\u3092\u898b\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"cp\">#include<\/span> <span class=\"cpf\">&lt;stdio.h&gt;<\/span>\r\n\r\n<span class=\"c1\">\/\/int\u30dd\u30a4\u30f3\u30bf\u304c\u6307\u3059\u5024\u3092\u30ab\u30a6\u30f3\u30c8\u3059\u308b<\/span>\r\n<span class=\"c1\">\/\/null\u304b\u3082\u3057\u308c\u306a\u3044\u306e\u3067\u3061\u3083\u3093\u3068null\u30c1\u30a7\u30c3\u30af\u3057\u306a\u3044\u3068\u3060\u3081<\/span>\r\n<span class=\"kt\">void<\/span> <span class=\"nf\">count<\/span><span class=\"p\">(<\/span><span class=\"kt\">int<\/span><span class=\"o\">*<\/span> <span class=\"n\">a<\/span><span class=\"p\">){<\/span>\r\n    <span class=\"k\">if<\/span><span class=\"p\">(<\/span><span class=\"n\">a<\/span> <span class=\"o\">!=<\/span> <span class=\"nb\">NULL<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"o\">*<\/span><span class=\"n\">a<\/span> <span class=\"o\">=<\/span> <span class=\"o\">*<\/span><span class=\"n\">a<\/span> <span class=\"o\">+<\/span> <span class=\"mi\">1<\/span><span class=\"p\">;<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"kt\">int<\/span> <span class=\"nf\">main<\/span><span class=\"p\">(){<\/span>\r\n    <span class=\"kt\">int<\/span> <span class=\"n\">a<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">5<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"n\">count<\/span><span class=\"p\">(<\/span><span class=\"o\">&amp;<\/span><span class=\"n\">a<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"n\">printf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"%d\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">a<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"mi\">0<\/span><span class=\"p\">;<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u5b9f\u884c\u306f\u3053\u3061\u3089<br \/>\nhttps:\/\/wandbox.org\/permlink\/xgH6Mu17gGOdvKfL<\/p>\n<p>null\u30c1\u30a7\u30c3\u30af\u5fd8\u308c\u305f\u3089\u5927\u5909\u3067\u3059\u3088\u306d\u3002<\/p>\n<p>Rust\u3067\u306f\u3053\u3046\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">fn<\/span> <span class=\"nf\">count<\/span><span class=\"p\">(<\/span><span class=\"n\">a<\/span><span class=\"p\">:<\/span> <span class=\"o\">&amp;<\/span><span class=\"k\">mut<\/span> <span class=\"nb\">Option<\/span><span class=\"o\">&lt;<\/span><span class=\"nb\">i32<\/span><span class=\"o\">&gt;<\/span><span class=\"p\">){<\/span>\r\n    <span class=\"k\">match<\/span> <span class=\"n\">a<\/span><span class=\"nf\">.as_mut<\/span><span class=\"p\">(){<\/span>\r\n        <span class=\"nf\">Some<\/span><span class=\"p\">(<\/span><span class=\"n\">x<\/span><span class=\"p\">)<\/span><span class=\"k\">=&gt;<\/span> <span class=\"o\">*<\/span><span class=\"n\">x<\/span> <span class=\"o\">+=<\/span> <span class=\"mi\">1<\/span><span class=\"p\">,<\/span>\r\n        <span class=\"nb\">None<\/span><span class=\"k\">=&gt;<\/span> <span class=\"p\">()<\/span>\r\n    <span class=\"p\">};<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">fn<\/span> <span class=\"nf\">main<\/span><span class=\"p\">()<\/span>\r\n<span class=\"p\">{<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"k\">mut<\/span> <span class=\"n\">a<\/span> <span class=\"o\">=<\/span> <span class=\"nf\">Some<\/span><span class=\"p\">(<\/span><span class=\"mi\">5<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"nf\">count<\/span><span class=\"p\">(<\/span><span class=\"o\">&amp;<\/span><span class=\"k\">mut<\/span> <span class=\"n\">a<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"nd\">println!<\/span><span class=\"p\">(<\/span><span class=\"s\">\"{}\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">a<\/span><span class=\"nf\">.unwrap<\/span><span class=\"p\">())<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>&nbsp;<\/p>\n<p>Option\u306f\u5024\u304c\u306a\u3044\u304b\u3082\u3057\u308c\u306a\u3044\u3092\u8868\u3059\u578b\u3067\u3001\u5024\u3092\u53d6\u308a\u51fa\u3059\u3068\u304d\u306b\u5024\u304c\u3042\u308b\u304b\u3069\u3046\u304b\u3092\u5fc5\u305a\u30c1\u30a7\u30c3\u30af\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\n\u3053\u308c\u306b\u3088\u3063\u3066\u3001\u30c1\u30a7\u30c3\u30af\u306e\u3057\u5fd8\u308c\u306f\u8d77\u304d\u307e\u305b\u3093\u3002<\/p>\n<p>\u30b3\u30fc\u30c9\u306e\u89e3\u8aac\u3092\u3057\u307e\u3059\u3002<\/p>\n<p>\u307e\u305a\u306fmain\u95a2\u6570\u304b\u3089\u3002<br \/>\nRust\u3067\u306f\u3001\u5909\u6570\u5ba3\u8a00\u306blet\u304c\u5fc5\u8981\u3067\u3059\u3002<br \/>\nlet \u5909\u6570\u540d\u3067\u5ba3\u8a00\u3055\u308c\u305f\u5909\u6570\u306f\u5024\u3092\u66f8\u304d\u63db\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u306a\u3044\u305f\u3081\u3001<br \/>\n\u4eca\u56de\u306flet mut a\u3068\u3057\u3066\u3001\u5909\u6570\u304c\u66f8\u304d\u63db\u3048\u53ef\u80fd\u3067\u3042\u308b\u3053\u3068\u3092\u5ba3\u8a00\u3057\u307e\u3059\u3002<br \/>\nmut\u306f\u30df\u30e5\u30fc\u30bf\u30d6\u30eb\u306e\u7565\u3067\u3042\u308a\u3001\u5909\u66f4\u53ef\u80fd\u3092\u610f\u5473\u3057\u307e\u3059\u3002<br \/>\n\u7d9a\u3044\u3066\u3001Some(5)\u306f\u6574\u6570\u50245\u3092Option\u3067\u5305\u3093\u3067\u3044\u307e\u3059\u3002<br \/>\n\u5909\u6570\u5ba3\u8a00\u306b\u578b\u3092\u6307\u5b9a\u3059\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30b3\u30f3\u30d1\u30a4\u30e9\u304c\u578b\u3092\u63a8\u8ad6\u3057\u3066\u304f\u308c\u307e\u3059\u3002<br \/>\n\u7d9a\u3044\u3066a\u3092\u30ab\u30a6\u30f3\u30c8\u3057\u305f\u3044\u306e\u3067\u3001count\u95a2\u6570\u306b\u6e21\u3057\u307e\u3059\u3002<br \/>\n\u3053\u306e\u6642&amp;mut\u4fee\u98fe\u5b50\u3092\u4ed8\u3051\u307e\u3059\u3002\u3053\u308c\u306f\u5909\u66f4\u53ef\u80fd\u306a\u53c2\u7167\u3092\u6e21\u3057\u307e\u3059\u3088\u3068\u30b3\u30f3\u30d1\u30a4\u30e9\u306b\u6307\u793a\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\n\u3053\u308c\u306b\u3088\u3063\u3066\u30d7\u30ed\u30b0\u30e9\u30de\u306f\u3001\u3042\u3001\u3053\u306ecount\u95a2\u6570\u3067\u306fa\u3092\u66f8\u304d\u63db\u3048\u308b\u3093\u3060\u306a\u3068\u3044\u3046\u3053\u3068\u304c\u660e\u78ba\u306b\u308f\u304b\u308a\u307e\u3059\u3002<br \/>\n\u3042\u3068\u306fcount\u5185\u3067Option\u306e\u4e2d\u8eab\u3067\u3042\u308b5\u3092\u53d6\u308a\u51fa\u3059\u305f\u3081\u306bmatch\u5f0f\u3092\u7528\u3044\u307e\u3059\u3002\u3053\u3053\u306e\u8a73\u3057\u3044\u8aac\u660e\u306f\u3057\u307e\u305b\u3093\u3002<\/p>\n<h1>\u30a8\u30e9\u30fc\u51e6\u7406<\/h1>\n<p>Rust\u306f\u95a2\u6570\u304c\u5931\u6557\u3057\u305f\u304b\u3069\u3046\u304b\u3092\u30ad\u30e3\u30c3\u30c1\u3059\u308b\u7279\u5225\u306a\u6a5f\u69cb\u306f\u3042\u308a\u307e\u305b\u3093\u3002<br \/>\n\u95a2\u6570\u306e\u8fd4\u308a\u5024\u3068\u3057\u3066\u30a8\u30e9\u30fc\u304b\u3069\u3046\u304b\u3092\u5224\u5225\u3057\u307e\u3059\u3002<br \/>\n\u3053\u308c\u306b\u3088\u308a\u3001\u4f8b\u5916\u306ecatch\u30df\u30b9\u306b\u3088\u308b\u3001\u505c\u6b62\u3092\u9632\u3052\u307e\u3059\u3002<br \/>\n\u4f8b\u3068\u3057\u3066C#\u306e\u6587\u5b57\u5217\u3092\u6570\u5024\u306b\u5909\u63db\u3059\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">using<\/span> <span class=\"nn\">System<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"k\">namespace<\/span> <span class=\"nn\">Wandbox<\/span>\r\n<span class=\"p\">{<\/span>\r\n    <span class=\"k\">class<\/span> <span class=\"nc\">Program<\/span>\r\n    <span class=\"p\">{<\/span>\r\n        <span class=\"k\">static<\/span> <span class=\"k\">void<\/span> <span class=\"nf\">Main<\/span><span class=\"p\">(<\/span><span class=\"kt\">string<\/span><span class=\"p\">[]<\/span> <span class=\"n\">args<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"p\">{<\/span>\r\n          <span class=\"n\">Console<\/span><span class=\"p\">.<\/span><span class=\"nf\">WriteLine<\/span><span class=\"p\">(<\/span><span class=\"kt\">int<\/span><span class=\"p\">.<\/span><span class=\"nf\">Parse<\/span><span class=\"p\">(<\/span><span class=\"s\">\"4593\"<\/span><span class=\"p\">));<\/span>\r\n          <span class=\"n\">Console<\/span><span class=\"p\">.<\/span><span class=\"nf\">WriteLine<\/span><span class=\"p\">(<\/span><span class=\"kt\">int<\/span><span class=\"p\">.<\/span><span class=\"nf\">Parse<\/span><span class=\"p\">(<\/span><span class=\"s\">\"hao123\"<\/span><span class=\"p\">));<\/span><span class=\"c1\">\/\/\u6570\u5b57\u3058\u3083\u306a\u3044\u306e\u3067\u4f8b\u5916\u3092\u6295\u3052\u308b<\/span>\r\n        <span class=\"p\">}<\/span>\r\n    <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>https:\/\/wandbox.org\/permlink\/VFc5pSAzozxN6YxO<br \/>\n\u3053\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u306fint.Parse\u95a2\u6570\u3092\u4f7f\u3063\u3066\u6587\u5b57\u5217\u3092\u6570\u5024\u306b\u5909\u63db\u3057\u3066\u305d\u308c\u3092\u753b\u9762\u306b\u8868\u793a\u3059\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u3059\u3002<br \/>\nint.Parse\u306f\u6570\u5b57\u306b\u5909\u63db\u3067\u304d\u306a\u3044\u6587\u5b57\u5217\u304c\u4e0e\u3048\u3089\u308c\u308b\u3068\u4f8b\u5916\u3092\u5410\u304f\u306e\u3067\u3057\u3063\u304b\u308a\u30c1\u30a7\u30c3\u30af\u3092\u3057\u306a\u3044\u3068\u3044\u3051\u306a\u3044\u306e\u3067\u3059\u304c\u3001\u305d\u308c\u3092\u5fd8\u308c\u3066\u3057\u307e\u3044\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u505c\u6b62\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u672c\u6765\u306f\u3053\u3046\u3059\u308b\u3079\u304d\u3067\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">using<\/span> <span class=\"nn\">System<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"k\">namespace<\/span> <span class=\"nn\">Wandbox<\/span>\r\n<span class=\"p\">{<\/span>\r\n    <span class=\"k\">class<\/span> <span class=\"nc\">Program<\/span>\r\n    <span class=\"p\">{<\/span>\r\n        <span class=\"k\">static<\/span> <span class=\"k\">void<\/span> <span class=\"nf\">Main<\/span><span class=\"p\">(<\/span><span class=\"kt\">string<\/span><span class=\"p\">[]<\/span> <span class=\"n\">args<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"p\">{<\/span>\r\n            <span class=\"k\">try<\/span><span class=\"p\">{<\/span>\r\n                <span class=\"n\">Console<\/span><span class=\"p\">.<\/span><span class=\"nf\">WriteLine<\/span><span class=\"p\">(<\/span><span class=\"kt\">int<\/span><span class=\"p\">.<\/span><span class=\"nf\">Parse<\/span><span class=\"p\">(<\/span><span class=\"s\">\"4593\"<\/span><span class=\"p\">));<\/span>\r\n                <span class=\"n\">Console<\/span><span class=\"p\">.<\/span><span class=\"nf\">WriteLine<\/span><span class=\"p\">(<\/span><span class=\"kt\">int<\/span><span class=\"p\">.<\/span><span class=\"nf\">Parse<\/span><span class=\"p\">(<\/span><span class=\"s\">\"hao123\"<\/span><span class=\"p\">));<\/span><span class=\"c1\">\/\/\u6570\u5b57\u3058\u3083\u306a\u3044\u306e\u3067\u4f8b\u5916\u3092\u6295\u3052\u308b<\/span>\r\n            <span class=\"p\">}<\/span>\r\n            <span class=\"k\">catch<\/span><span class=\"p\">{<\/span>\r\n                <span class=\"n\">Console<\/span><span class=\"p\">.<\/span><span class=\"nf\">WriteLine<\/span><span class=\"p\">(<\/span><span class=\"s\">\"\u5909\u63db\u3067\u304d\u307e\u305b\u3093\u3067\u3057\u305f\"<\/span><span class=\"p\">);<\/span>\r\n            <span class=\"p\">}<\/span>\r\n        <span class=\"p\">}<\/span>\r\n    <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>&nbsp;<\/p>\n<p>\u3067\u306fRust\u3067\u306e\u4f8b\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">fn<\/span> <span class=\"nf\">main<\/span><span class=\"p\">()<\/span>\r\n<span class=\"p\">{<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">a<\/span> <span class=\"p\">:<\/span> <span class=\"nb\">Result<\/span><span class=\"o\">&lt;<\/span><span class=\"nb\">i32<\/span><span class=\"p\">,<\/span><span class=\"n\">_<\/span><span class=\"o\">&gt;<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"4693\"<\/span><span class=\"nf\">.parse<\/span><span class=\"p\">();<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">b<\/span> <span class=\"p\">:<\/span> <span class=\"nb\">Result<\/span><span class=\"o\">&lt;<\/span><span class=\"nb\">i32<\/span><span class=\"p\">,<\/span><span class=\"n\">_<\/span><span class=\"o\">&gt;<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"hao123\"<\/span><span class=\"nf\">.parse<\/span><span class=\"p\">();<\/span>\r\n    <span class=\"k\">match<\/span> <span class=\"n\">a<\/span><span class=\"p\">{<\/span>\r\n        <span class=\"nf\">Ok<\/span><span class=\"p\">(<\/span><span class=\"n\">x<\/span><span class=\"p\">)<\/span> <span class=\"k\">=&gt;<\/span> <span class=\"nd\">println!<\/span><span class=\"p\">(<\/span><span class=\"s\">\"{}\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">x<\/span><span class=\"p\">),<\/span>\r\n        <span class=\"nf\">Err<\/span><span class=\"p\">(<\/span><span class=\"n\">_<\/span><span class=\"p\">)<\/span> <span class=\"k\">=&gt;<\/span> <span class=\"nd\">println!<\/span><span class=\"p\">(<\/span><span class=\"s\">\"\u5909\u63db\u306b\u5931\u6557\"<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"p\">};<\/span>\r\n    <span class=\"k\">match<\/span> <span class=\"n\">b<\/span><span class=\"p\">{<\/span>\r\n        <span class=\"nf\">Ok<\/span><span class=\"p\">(<\/span><span class=\"n\">x<\/span><span class=\"p\">)<\/span> <span class=\"k\">=&gt;<\/span> <span class=\"nd\">println!<\/span><span class=\"p\">(<\/span><span class=\"s\">\"{}\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">x<\/span><span class=\"p\">),<\/span>\r\n        <span class=\"nf\">Err<\/span><span class=\"p\">(<\/span><span class=\"n\">_<\/span><span class=\"p\">)<\/span> <span class=\"k\">=&gt;<\/span> <span class=\"nd\">println!<\/span><span class=\"p\">(<\/span><span class=\"s\">\"\u5909\u63db\u306b\u5931\u6557\"<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"p\">};<\/span>\r\n\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>https:\/\/play.rust-lang.org\/?version=stable&#038;mode=debug&#038;edition=2015&#038;gist=dca2726190250e98b59d297eb319d2ee<br \/>\n\u6ce8\u76ee\u3059\u3079\u304d\u306fparse\u306e\u7d50\u679c\u304cResult\u306b\u5305\u307e\u308c\u3066\u3044\u308b\u3053\u3068\u3067\u3059\u3002<br \/>\n\u3053\u308c\u306f\u6210\u529f\u304b\u5931\u6557\u3092\u8868\u3059\u578b\u3067\u3059\u3002<br \/>\nRust\u3067\u306f\u305f\u3060Result\u5024\u304c\u8fd4\u3063\u3066\u304f\u308b\u3060\u3051\u306a\u306e\u3067\u3001\u5225\u306b\u30d7\u30ed\u30b0\u30e9\u30e0\u306f\u505c\u6b62\u3057\u307e\u305b\u3093\u3002<br \/>\nResult\u5024\u3082Option\u540c\u69d8match\u5f0f\u3067\u6210\u529f\u304b\u5931\u6557\u304b\u3092\u30c1\u30a7\u30c3\u30af\u3057\u306a\u3044\u3068\u5024\u306f\u53d6\u308a\u51fa\u305b\u307e\u305b\u3093\u3002<br \/>\n\u5c11\u3057\u5197\u9577\u306a\u30b3\u30fc\u30c9\u306b\u898b\u3048\u308b\u304b\u3082\u3057\u308c\u306a\u3044\u3067\u3059\u304c\u3001\u3053\u308c\u306f\u308f\u3056\u3068\u305d\u3046\u3057\u3066\u3044\u308b\u3060\u3051\u3067\u5b9f\u306f\u3082\u3063\u3068\u30b9\u30de\u30fc\u30c8\u306b\u66f8\u3051\u307e\u3059\u3002(?\u6f14\u7b97\u5b50\u306e\u6d3b\u7528)<\/p>\n<h1>\u30e1\u30e2\u30ea\u7ba1\u7406<\/h1>\n<p>\u30e1\u30e2\u30ea\u306e\u7ba1\u7406\u306f\u4e00\u6b69\u9593\u9055\u3048\u308c\u3070\u3001\u8db3\u3092\u6253\u3061\u629c\u304f\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<br \/>\nRust\u307b\u3069\u7d20\u6674\u3089\u3057\u3044\u30e1\u30e2\u30ea\u7ba1\u7406\u306f\u306a\u3044\u3068\u601d\u3044\u307e\u3059\u3002<br \/>\nC\/C++\u306f\u65e9\u3044\u3067\u3059\u304c\u30e1\u30e2\u30ea\u7ba1\u7406\u3092\u624b\u52d5\u3067\u7ba1\u7406\u3057\u306a\u3044\u3068\u3044\u3051\u306a\u3044\u306e\u3067\u5927\u5909\u3067\u3059\u3002<br \/>\n\u30b9\u30de\u30fc\u30c8\u30dd\u30a4\u30f3\u30bf\u3082\u5168\u7136\u30b9\u30de\u30fc\u30c8\u3058\u3083\u3042\u308a\u307e\u305b\u3093\u3002<br \/>\nC#\/Java\u306fGC\u3067\u30e1\u30e2\u30ea\u3092\u81ea\u52d5\u3067\u7ba1\u7406\u3057\u307e\u3059\u304c\u3001\u30e1\u30e2\u30ea\u7834\u68c4\u306e\u30bf\u30a4\u30df\u30f3\u30b0\u306f\u5206\u304b\u308a\u307e\u305b\u3093\u3002<br \/>\n\u5834\u5408\u306b\u3088\u3063\u3066\u306f\u30d0\u30b0\u306e\u767a\u898b\u306b\u9045\u308c\u308b\u3057\u3001\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u304c\u4f7f\u3044\u7269\u306b\u306a\u3089\u306a\u3044\u306e\u3067\u8a2d\u8a08\u304c\u3057\u3065\u3089\u3044\u3068\u304d\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\nRust\u3067\u306f\u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u306b\u5168\u3066\u306e\u5909\u6570\u306e\u5bff\u547d\u304c\u5206\u304b\u308b\u305f\u3081\u3001\u81ea\u52d5\u3067\u30e1\u30e2\u30ea\u3092\u7834\u68c4\u3057\u3066\u304f\u308c\u307e\u3059\u3002<br \/>\nGC\u3092\u4f7f\u3063\u3066\u3044\u306a\u3044\u306e\u3067C\/C++\u3068\u540c\u7b49\u306b\u9ad8\u901f\u3067\u3059\u3002\u7d20\u6674\u3089\u3057\u3044\uff01<\/p>\n<h1>\u30c6\u30b9\u30c8<\/h1>\n<p>\u4ed6\u306e\u8a00\u8a9e\u3067\u306f\u5358\u4f53\u30c6\u30b9\u30c8\u3084\u7d50\u5408\u30c6\u30b9\u30c8\u3092\u884c\u3046\u306e\u306b\u3001\u30c6\u30b9\u30c8\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3092\u5225\u9014\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u305f\u308a\u3057\u307e\u3059\u304c\u3001Rust\u3067\u306f\u305d\u3093\u306a\u9762\u5012\u306a\u3053\u3068\u306f\u3057\u307e\u305b\u3093\u3002<br \/>\n\u30c6\u30b9\u30c8\u306f\u8a00\u8a9e\u30ec\u30d9\u30eb\u3067\u7d44\u307f\u8fbc\u307e\u308c\u3066\u3044\u307e\u3059\u3002<br \/>\n\u8a66\u3057\u306b\u8db3\u3057\u7b97\u306e\u95a2\u6570\u3092\u4f5c\u3063\u3066\u3001\u305d\u308c\u306e\u5358\u4f53\u30c6\u30b9\u30c8\u3092\u4f5c\u6210\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">fn<\/span> <span class=\"nf\">plus<\/span><span class=\"p\">(<\/span><span class=\"n\">a<\/span><span class=\"p\">:<\/span><span class=\"nb\">i32<\/span><span class=\"p\">,<\/span><span class=\"n\">b<\/span><span class=\"p\">:<\/span><span class=\"nb\">i32<\/span><span class=\"p\">)<\/span><span class=\"k\">-&gt;<\/span><span class=\"nb\">i32<\/span><span class=\"p\">{<\/span>\r\n    <span class=\"n\">a<\/span><span class=\"o\">+<\/span><span class=\"n\">b<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"nd\">#[test]<\/span>\r\n<span class=\"k\">fn<\/span> <span class=\"nf\">plus_test<\/span><span class=\"p\">(){<\/span>\r\n    <span class=\"nd\">assert_eq!<\/span><span class=\"p\">(<\/span><span class=\"nf\">plus<\/span><span class=\"p\">(<\/span><span class=\"mi\">4<\/span><span class=\"p\">,<\/span> <span class=\"mi\">5<\/span><span class=\"p\">),<\/span> <span class=\"mi\">9<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"nd\">assert_eq!<\/span><span class=\"p\">(<\/span><span class=\"nf\">plus<\/span><span class=\"p\">(<\/span><span class=\"mi\">100<\/span><span class=\"p\">,<\/span> <span class=\"o\">-<\/span><span class=\"mi\">1<\/span><span class=\"p\">),<\/span> <span class=\"mi\">99<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"nd\">assert_eq!<\/span><span class=\"p\">(<\/span><span class=\"nf\">plus<\/span><span class=\"p\">(<\/span><span class=\"mi\">114000<\/span><span class=\"p\">,<\/span> <span class=\"mi\">514<\/span><span class=\"p\">),<\/span> <span class=\"mi\">114514<\/span><span class=\"p\">);<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>&nbsp;<\/p>\n<p>\u306d\u3001\u7c21\u5358\u3067\u3057\u3087\uff1f<br \/>\n#[test]\u3092\u4ed8\u3051\u305f\u95a2\u6570\u306f\u901a\u5e38\u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u306b\u306f\u7121\u8996\u3055\u308c\u307e\u3059\u3002<br \/>\n\u4ee5\u4e0b\u306ecommand\u3092\u6253\u3064\u3068Rust\u306f#[test]\u304c\u4ed8\u3044\u305f\u95a2\u6570\u3092\u5b9f\u884c\u3057\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u3067\u30c6\u30b9\u30c8\u3092\u958b\u59cb\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">cargo<\/span> <span class=\"n\">test<\/span>\r\n<\/code><\/pre>\n<p>\u3053\u306e\u30c6\u30b9\u30c8\u306f\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u306e\u3069\u3053\u306b\u3067\u3082\u66f8\u304f\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h1>\u30de\u30af\u30ed<\/h1>\n<p>C\u8a00\u8a9e\u306e\u30de\u30af\u30ed\u3092\u3054\u5b58\u3058\u3067\u3057\u3087\u3046\u304b\uff1f<br \/>\n\u30de\u30af\u30ed\u3068\u306f\u3001\u30b3\u30f3\u30d1\u30a4\u30eb\u3059\u308b\u969b\u306b\u30b3\u30fc\u30c9\u3092\u6307\u5b9a\u3057\u305f\u30eb\u30fc\u30eb\u3067\u7f6e\u304d\u63db\u3048\u3066\u304f\u308c\u308b\u6a5f\u80fd\u306e\u3053\u3068\u3067\u3059\u3002<br \/>\nRust\u306b\u3082\u30de\u30af\u30ed\u306f\u3042\u308a\u307e\u3059\u3002<br \/>\nRust\u306e\u30de\u30af\u30ed\u306fC\u8a00\u8a9e\u306e\u30de\u30af\u30ed\u3068\u6bd4\u3079\u3066\u3001\u6975\u3081\u3066\u5f37\u529b\u3067\u5b89\u5168\u3067\u3042\u308a\u307e\u3059\u3002<\/p>\n<h2>\u6a19\u6e96\u3067\u7528\u610f\u3055\u308c\u3066\u3044\u308b\u30de\u30af\u30ed\u306e\u5229\u7528<\/h2>\n<p>\u6a19\u6e96\u3067\u7528\u610f\u3055\u308c\u3066\u3044\u308b\u30de\u30af\u30ed\u306b\u3064\u3044\u3066\u306f\u30b3\u30c1\u30e9\u3092\u3054\u89a7\u3044\u305f\u3060\u304f\u304b\u3001\u3082\u3063\u3068\u7d20\u6674\u3089\u3057\u3044\u8a18\u4e8b\u3084\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u53c2\u7167\u304f\u3060\u3055\u3044\u3002<br \/>\nhttps:\/\/qiita.com\/elipmoc101\/items\/f76a47385b2669ec6db3<\/p>\n<h2>\u3061\u3087\u3063\u3068\u3057\u305f\u30b7\u30e7\u30fc\u30c8\u30ab\u30c3\u30c8\u306b\u30de\u30af\u30ed\u306e\u5229\u7528<\/h2>\n<p>\u30de\u30af\u30ed\u3092\u4f7f\u3046\u3068\u6587\u6cd5\u3092\u62e1\u5f35\u3067\u304d\u307e\u3059\u306e\u3067\u3001\u95a2\u6570\u5206\u5272\u3067\u3082\u77ed\u304f\u3067\u304d\u305d\u3046\u306b\u306a\u3044\u7169\u96d1\u306a\u500b\u6240\u3092\u30de\u30af\u30ed\u3067\u77ed\u304f\u7f6e\u304d\u63db\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2>\u30c9\u30e1\u30a4\u30f3\u7279\u5316\u8a00\u8a9e\u3068\u3057\u3066\u306e\u30de\u30af\u30ed\u306e\u5229\u7528<\/h2>\n<p>Rust\u306e\u30de\u30af\u30ed\u3092\u4f7f\u3048\u3070\u72ec\u81ea\u306e\u6587\u6cd5\u3067\u30b3\u30fc\u30c9\u3092\u66f8\u3051\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<br \/>\n\u3053\u308c\u3092\u5229\u7528\u3057\u3001\u53ef\u8aad\u6027\u3068\u52b9\u7387\u3092\u9ad8\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<br \/>\n\uff08\u3084\u308d\u3046\u3068\u601d\u3048\u3070\u3001Haskell\u306edo\u69cb\u6587\u3092\u3042\u308b\u7a0b\u5ea6\u306f\u6a21\u5023\u3067\u304d\u308b\u3088\u3046\u3067\u3059\u3002\uff09<\/p>\n<h1>\u7d42\u308f\u308a\u306b<\/h1>\n<p>Rust\u306f\u672c\u5f53\u306b\u6700\u9ad8\u306e\u8a00\u8a9e\u3067\u3059\u3002<br \/>\n\u3082\u3057\u3088\u308a\u6210\u9577\u3092\u671b\u3080\u306e\u3067\u3042\u308c\u3070\u3001\u3053\u306e\u8a00\u8a9e\u3092\u6975\u3081\u308b\u3079\u304d\u3060\u3068\u611f\u3058\u3066\u3044\u307e\u3059\u3002<br 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