{"id":45723,"date":"2023-09-28T14:25:47","date_gmt":"2023-02-05T13:33:50","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/45723-2\/"},"modified":"2024-05-04T01:56:50","modified_gmt":"2024-05-03T17:56:50","slug":"45723-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/45723-2\/","title":{"rendered":""},"content":{"rendered":"<h1>\u306f\u3058\u3081\u306b<\/h1>\n<p>Rust\u306f\u300c\u304d\u3061\u3093\u3068\u3057\u305f\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u66f8\u304f\u6642\u306b\u306f\u3044\u3044\u3051\u3069\u3001\u66f8\u304d\u6368\u3066\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u66f8\u304f\u306b\u306f\u5411\u3044\u3066\u3044\u306a\u3044\u300d\u3068\u8a00\u308f\u308c\u308b\u3053\u3068\u304c\u3042\u308b\u3088\u3046\u3067\u3059\u3002\u300c\u4e00\u822c\u8ad6\u3068\u3057\u3066\u306f\u5168\u304f\u305d\u306e\u901a\u308a\u300d\u3068\u601d\u3046\u4e00\u65b9\u3067\u3001\u81ea\u5206\u81ea\u8eab\u3092\u632f\u308a\u8fd4\u3063\u3066\u307f\u308b\u3068\u3001\u3053\u308c\u307e\u3067Python\u3067\u66f8\u3044\u3066\u3044\u305f\u3088\u3046\u306a\u66f8\u304d\u6368\u3066\u306b\u8fd1\u3044\u30d7\u30ed\u30b0\u30e9\u30e0\u3082\u5168\u90e8Rust\u3067\u66f8\u304f\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u306a\u305c\u66f8\u304d\u6368\u3066\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3082Rust\u3067\u66f8\u304f\u306e\u304b\u3092\u8003\u3048\u3066\u307f\u308b\u3068<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u6700\u521d\u306f\u66f8\u304d\u6368\u3066\u3060\u3068\u601d\u3063\u3066\u3044\u3066\u3082\u3001\u624b\u76f4\u3057\u3057\u306a\u304c\u3089\u4f7f\u3044\u7d9a\u3051\u308b\u3053\u3068\u306f\u610f\u5916\u3068\u591a\u3044<\/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\">\u30b3\u30f3\u30d1\u30a4\u30e9\u304c\u5272\u3068\u591a\u304f\u306e\u30a8\u30e9\u30fc\u3092\u6355\u6349\u3057\u3066\u304f\u308c\u308b\u306e\u3067\u30c7\u30d0\u30c3\u30b0\u306e\u6642\u9593\u304c\u77ed\u304f\u3066\u6e08\u3080<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u8a18\u8ff0\u91cf\u306e\u591a\u3055\u306f\u30a8\u30c7\u30a3\u30bf\u306e\u88dc\u5b8c\u304c\u3042\u3063\u3066\u3042\u307e\u308a\u6c17\u306b\u306a\u3089\u306a\u3044<\/ul>\n<p>\u3068\u3044\u3063\u305f\u3042\u305f\u308a\u304c\u7406\u7531\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u305d\u3046\u306f\u3044\u3063\u3066\u3082Rust\u304c\u3044\u308d\u3044\u308d\u3068\u9762\u5012\u306a\u8a00\u8a9e\u3067\u3042\u308b\u3053\u3068\u306b\u306f\u9055\u3044\u306a\u3044\u306e\u3067\u3001\u66f8\u304d\u6368\u3066\u308b\u3068\u304d\u306f\u666e\u6bb5\u306eRust\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3068\u306f\u5c11\u3057\u9055\u3063\u305f\u66f8\u304d\u65b9\u3092\u3057\u305f\u65b9\u304c\u3088\u308a\u65e9\u304f\u66f8\u3051\u308b\u306e\u3067\u306f\u306a\u3044\u304b\u3068\u601d\u3044\u307e\u3059\u3002<br \/>\n\u3053\u306e\u8a18\u4e8b\u3067\u306f\u305d\u306e\u3088\u3046\u306a\u3068\u304d\u306e\u305f\u3081\u306eTips\u3092\u307e\u3068\u3081\u3066\u307f\u307e\u3057\u305f\u3002\u4ed6\u306b\u3082\u3042\u308a\u305d\u3046\u306a\u3089\u30b3\u30e1\u30f3\u30c8\u6b04\u3067\u304a\u9858\u3044\u3057\u307e\u3059\u3002<\/p>\n<h1>\u30e9\u30a4\u30d5\u30bf\u30a4\u30e0\u3092\u907f\u3051\u308b<\/h1>\n<p>\u306a\u3093\u3089\u304b\u306e\u6587\u5b57\u5217\u3092\u69cb\u9020\u4f53\u306b\u5165\u308c\u305f\u3044\u3068\u304d\u306b\u3001\u300c\u3053\u306e\u6587\u5b57\u5217\u306f\u5909\u66f4\u3055\u308c\u306a\u3044\u304b\u3089 &amp;str \u3067\u5165\u308c\u3088\u3046\u300d\u3068\u304b\u601d\u3063\u3066\u3057\u307e\u3046\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u3053\u308c\u306f\u3044\u3051\u307e\u305b\u3093\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">struct<\/span><span class=\"o\">&lt;<\/span><span class=\"nv\">'a<\/span><span class=\"o\">&gt;<\/span> <span class=\"n\">A<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">name<\/span><span class=\"p\">:<\/span> <span class=\"o\">&amp;<\/span><span class=\"nv\">'a<\/span> <span class=\"nb\">str<\/span><span class=\"p\">,<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u53c2\u7167\u3092\u5165\u308c\u308b\u3068\u3044\u3046\u3053\u3068\u306f\u30e9\u30a4\u30d5\u30e9\u30a4\u30e0\u4fee\u98fe\u304c\u5fc5\u9808\u3068\u306a\u308a\u3001\u3053\u306e\u69cb\u9020\u4f53\u3092\u6271\u3046\u3042\u3089\u3086\u308b\u3068\u3053\u308d\u306b\u30e9\u30a4\u30d5\u30bf\u30a4\u30e0\u304c\u51fa\u73fe\u3059\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002\u5168\u7136\u66f8\u304d\u6368\u3066\u6613\u304f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u7d20\u76f4\u306b String \u3092\u6301\u305f\u305b\u307e\u3057\u3087\u3046\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">struct<\/span> <span class=\"n\">A<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">name<\/span><span class=\"p\">:<\/span> <span class=\"nb\">String<\/span><span class=\"p\">,<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u540c\u69d8\u306b\u305f\u3068\u3048\u56fa\u5b9a\u5024\u306e\u914d\u5217\u3060\u3063\u305f\u3068\u3057\u3066\u3082 &amp;[u32] \u3067\u306f\u306a\u304f Vec \u306b\u3057\u307e\u3057\u3087\u3046\u3002<br \/>\n\u3053\u3046\u3059\u308b\u3053\u3068\u3067\u3001\u305d\u306e\u69cb\u9020\u4f53\u3092\u4f5c\u308b\u5ea6\u306b\u6587\u5b57\u5217\u306e\u30e1\u30e2\u30ea\u30b3\u30d4\u30fc\u304c\u767a\u751f\u3057\u305f\u308a\u3057\u307e\u3059\u304c\u3001\u73fe\u4ee3\u306e\u30de\u30b7\u30f3\u306b\u304a\u3044\u3066\uff08\u305f\u3044\u3066\u3044\u306e\u5834\u5408\uff09\u30e1\u30e2\u30ea\u30b3\u30d4\u30fc\u306a\u3069\u305f\u3044\u3057\u305f\u3053\u3068\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>clone\u3082\u7a4d\u6975\u7684\u306b\u4f7f\u3046\u3068\u3044\u3044\u3067\u3057\u3087\u3046\u3002\u300cBorrow checker\u306b\u6012\u3089\u308c\u305f\u3089\u3068\u308a\u3042\u3048\u305aclone\u3059\u308b\u300d\u304f\u3089\u3044\u3067\u3082\u3044\u3044\u3068\u601d\u3044\u307e\u3059\u3002<br \/>\nRc\u3084Arc\u3067Borrow check\u3092\u56de\u907f\u3059\u308b\u3068\u3044\u3046\u306e\u3082\u8003\u3048\u3089\u308c\u307e\u3059\u304c\u3001\u305d\u3053\u307e\u3067\u3084\u308b\u3068\u66f8\u304d\u6368\u3066\u306e\u7bc4\u56f2\u3092\u8d85\u3048\u3066\u304f\u308b\u3088\u3046\u306a\u6c17\u304c\u3057\u307e\u3059\u3002<\/p>\n<h1>unwrap\u3059\u308b<\/h1>\n<p>Rust\u3067\u306f\u5931\u6557\u3059\u308b\u304b\u3082\u3057\u308c\u306a\u3044\u95a2\u6570\u304b\u3089 Result \u304c\u8fd4\u3063\u3066\u304f\u308b\u306e\u3067\u30a8\u30e9\u30fc\u51e6\u7406\u3092\u304d\u3061\u3093\u3068\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\n\u3057\u304b\u3057\u66f8\u304d\u6368\u3066\u308b\u3068\u304d\u306b\u306f\u30a8\u30e9\u30fc\u51e6\u7406\u3092\u3059\u308b\u5fc5\u8981\u306f\u306a\u3044\u306e\u3067\u3001unwrap\u3067\u7d50\u679c\u3092\u53d6\u308a\u51fa\u305b\u3070\u3044\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">let<\/span> <span class=\"k\">mut<\/span> <span class=\"n\">f<\/span> <span class=\"o\">=<\/span> <span class=\"nn\">File<\/span><span class=\"p\">::<\/span><span class=\"nf\">open<\/span><span class=\"p\">(<\/span><span class=\"s\">\"foo.txt\"<\/span><span class=\"p\">)<\/span><span class=\"nf\">.unwrap<\/span><span class=\"p\">();<\/span>\r\n<\/code><\/pre>\n<p>\u304d\u3061\u3093\u3068\u3057\u305f\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u306f ?\u3092\u4f7f\u3063\u3066\u30a8\u30e9\u30fc\u51e6\u7406\u3057\u305f\u308a\u3001\u30d1\u30cb\u30c3\u30af\u3055\u305b\u308b\u5834\u5408\u3067\u3082 expect \u3092\u4f7f\u3063\u3066\u7406\u7531\u3092\u660e\u793a\u3057\u305f\u65b9\u304c\u3044\u3044\u3067\u3059\u304c\u3001\u66f8\u304d\u6368\u3066\u308b\u5834\u5408\u306f\u3068\u308a\u3042\u3048\u305a unwrap \u3067\u3044\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<h1>dbg\/Debug\u3092\u4f7f\u3046<\/h1>\n<p>\u4f55\u304b\u8868\u793a\u3057\u305f\u3044\u3068\u304d\u306f dbg! \u30de\u30af\u30ed\u3092\u4f7f\u3046\u3068\u3044\u3044\u3067\u3057\u3087\u3046\u3002\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306e\u5236\u5fa1\u306a\u3069\u306f\u3067\u304d\u307e\u305b\u3093\u304c\u300c\u306a\u3093\u3067\u3082\u3044\u3044\u304b\u3089\u8868\u793a\u3057\u305f\u3044\u300d\u3068\u3044\u3046\u3068\u304d\u306b\u306f\u5341\u5206\u3067\u3059\u3002\u3053\u306e\u3068\u304d\u3068\u308a\u3042\u3048\u305a &amp; \u3067\u53c2\u7167\u306b\u3057\u3066\u304a\u304f\u3068\u6240\u6709\u6a29\u3092\u53d6\u3089\u308c\u306a\u3044\u306e\u3067\u4ed8\u3051\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nd\">dbg!<\/span><span class=\"p\">(<\/span><span class=\"o\">&amp;<\/span><span class=\"n\">hoge<\/span><span class=\"p\">);<\/span>\r\n<\/code><\/pre>\n<p>\u3053\u308c\u3092\u4f7f\u3046\u305f\u3081\u306b\u69cb\u9020\u4f53\u306b\u306f\u3068\u308a\u3042\u3048\u305a #[derive(Debug)] \u3092\u4ed8\u3051\u3066\u304a\u304f\u3068\u3044\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n<h1>examples\u3092\u30b3\u30d4\u30da\u3059\u308b<\/h1>\n<p>\u4f55\u304b\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u4f7f\u3044\u305f\u3044\u3068\u601d\u3063\u305f\u3068\u304d\u306f\u3001\u305d\u306e\u30ea\u30dd\u30b8\u30c8\u30ea\u306e examples \u3068\u3044\u3046\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3092\u63a2\u3057\u307e\u3057\u3087\u3046\u3002\u305f\u3044\u3066\u3044\u7c21\u5358\u306a\u4f7f\u7528\u4f8b\u304c\u30b3\u30f3\u30d1\u30a4\u30eb\u53ef\u80fd\u306a\u72b6\u614b\u3067\u7f6e\u304b\u308c\u3066\u3044\u308b\u306e\u3067\u3001\u305d\u308c\u3092\u30b3\u30d4\u30da\u3057\u3066\u4f5c\u696d\u3092\u59cb\u3081\u308c\u3070\u3044\u3044\u3068\u601d\u3044\u307e\u3059\u3002<br \/>\nexamples\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306f\u30e9\u30a4\u30d6\u30e9\u30ea\u672c\u4f53\u3092Cargo\u3067\u30b3\u30f3\u30d1\u30a4\u30eb\u3059\u308b\u3068\u4e00\u7dd2\u306b\u30b3\u30f3\u30d1\u30a4\u30eb\u3057\u3066\u30c1\u30a7\u30c3\u30af\u3055\u308c\u308b\u306e\u3067\u3001\u53e4\u304f\u306a\u3063\u3066\u3044\u3066\u4f7f\u3048\u306a\u3044\u3068\u3044\u3046\u3053\u3068\u306f\u3081\u3063\u305f\u306b\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<h1>\u307e\u3068\u3081<\/h1>\n<p>Rust\u3092\u66f8\u304d\u6368\u3066\u308b\u3068\u304d\u306eTips\u3092\u307e\u3068\u3081\u3066\u307f\u307e\u3057\u305f\u3002Rust\u306e\u3044\u3044\u3068\u3053\u308d\u306f\u3001\u3053\u3053\u3067\u66f8\u3044\u305f\u3088\u3046\u306a\u96d1\u306a\u8a18\u8ff0\u3092\u3057\u3066\u3082\u3001\u5f8c\u3005\u306e\u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0\u304c\u3084\u308a\u3084\u3059\u3044\u3068\u3053\u308d\u3067\u3059\u3002<br \/>\nunwrap\u3057\u3066\u3044\u308b\u7b87\u6240\u306fgrep\u3059\u308c\u3070\u4e00\u76ee\u77ad\u7136\u306a\u306e\u3067\u3001\u305d\u3053\u3092\u3061\u3083\u3093\u3068\u3057\u305f\u30a8\u30e9\u30fc\u51e6\u7406\u306b\u76f4\u305b\u3070\u3088\u3044\u3067\u3059\u3057\u3001clone\u3057\u3059\u304e\u3066\u9045\u304f\u306a\u3063\u3066\u3044\u308b\u306a\u3089\u305d\u306e\u90e8\u5206\u3060\u3051\u6539\u5584\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<br \/>\n\u30c7\u30fc\u30bf\u69cb\u9020\u306b\u53c2\u7167\u3092\u6301\u305f\u305b\u308b\u306e\u306f\u3055\u3059\u304c\u306b\u5927\u6539\u4fee\u306b\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u304c\u3001\u305d\u308c\u3067\u3082\u4fee\u6b63\u304c\u5fc5\u8981\u306a\u7b87\u6240\u306f\u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc\u3068\u3057\u3066\u660e\u793a\u3055\u308c\u308b\u306e\u30671\u500b\u3065\u3064\u6f70\u3057\u3066\u3044\u3051\u3070\u306a\u3093\u3068\u304b\u306a\u308b\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u306f\u3058\u3081\u306b Rust\u306f\u300c\u304d\u3061\u3093\u3068\u3057\u305f\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u66f8\u304f\u6642\u306b\u306f\u3044\u3044\u3051\u3069\u3001\u66f8\u304d\u6368\u3066\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u66f8\u304f\u306b\u306f\u5411\u3044\u3066\u3044\u306a\u3044\u300d [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-45723","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>- Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/45723-2\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:description\" content=\"\u306f\u3058\u3081\u306b 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