{"id":45340,"date":"2022-11-04T18:15:59","date_gmt":"2022-11-13T00:00:54","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/45340-2\/"},"modified":"2024-04-28T23:00:57","modified_gmt":"2024-04-28T15:00:57","slug":"45340-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/45340-2\/","title":{"rendered":""},"content":{"rendered":"<h2>\u3053\u308c\u4f55<\/h2>\n<p>rust\u3063\u3066\u4e00\u5ea6\u5024\u3092\u5165\u308c\u305f\u3089\u66f4\u65b0\u3067\u304d\u306a\u3044\u3002<br \/>\n\u540c\u3058\u5909\u6570\u306e\u5024\u3092\u5909\u3048\u308b\u5834\u5408\u3069\u3046\u3057\u305f\u3089\u3044\u3044\u3093\u3060\u3063\u3051\u3063\u3066\u8a00\u3046\u5099\u5fd8\u9332<\/p>\n<p>\u518d\u4ee3\u5165\u3068\u518d\u675f\u7e1b\u306e2\u3064\u306e\u30d1\u30bf\u30fc\u30f3\u304c\u3042\u308b\u3002<\/p>\n<h3>\u9055\u3044<\/h3>\n<h4>\u518d\u4ee3\u5165<\/h4>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u540c\u3058\u578b\u306e\u30c7\u30fc\u30bf\u3057\u304b\u4ee3\u5165\u3067\u304d\u306a\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\">\u30df\u30e5\u30fc\u30bf\u30d6\u30eb(\u5909\u66f4\u53ef\u80fd\u306a)\u5909\u6570\u3068\u3082\u8a00\u3046<\/ul>\n<\/li>\n<\/ul>\n<p>\u30df\u30e5\u30fc\u30bf\u30d3\u30ea\u30c6\u30a3 &#8211; Rust By Example \u65e5\u672c\u8a9e\u7248 https:\/\/doc.rust-jp.rs\/rust-by-example-ja\/variable_bindings\/mut.html<\/p>\n<h4>\u518d\u675f\u7e1b<\/h4>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u9055\u3046\u578b\u3082\u4ee3\u5165\u3059\u308b\u3053\u3068\u304c\u3067\u304d\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\">\u5909\u6570\u306e\u30b7\u30e3\u30c9\u30fc\u30a4\u30f3\u30b0\u3068\u3082\u8a00\u3046<\/ul>\n<\/li>\n<\/ul>\n<p>\u30b9\u30b3\u30fc\u30d7\u3068\u30b7\u30e3\u30c9\u30fc\u30a4\u30f3\u30b0 &#8211; Rust By Example \u65e5\u672c\u8a9e\u7248 https:\/\/doc.rust-jp.rs\/rust-by-example-ja\/variable_bindings\/scope.html<\/p>\n<h3>sample<\/h3>\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=\"c\">\/\/ \u518d\u4ee3\u5165<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"k\">mut<\/span> <span class=\"n\">variable1<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">32i32<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"nd\">println!<\/span><span class=\"p\">(<\/span><span class=\"s\">\"variable1 is {}\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">variable1<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"n\">variable1<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">64i32<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"nd\">println!<\/span><span class=\"p\">(<\/span><span class=\"s\">\"variable1 is {}\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">variable1<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"c\">\/\/ error\u304c\u767a\u751f\u3059\u308b<\/span>\r\n    <span class=\"c\">\/\/ variable1 = \"string\";<\/span>\r\n\r\n    <span class=\"c\">\/\/ \u518d\u675f\u7e1b<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">variable2<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">32i32<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"nd\">println!<\/span><span class=\"p\">(<\/span><span class=\"s\">\"variable2 is {}\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">variable2<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">variable2<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">64i32<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"nd\">println!<\/span><span class=\"p\">(<\/span><span class=\"s\">\"variable2 is {}\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">variable2<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">variable2<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"string\"<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"nd\">println!<\/span><span class=\"p\">(<\/span><span class=\"s\">\"variable2 is {}\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">variable2<\/span><span class=\"p\">);<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h3>\u5b9f\u884c\u7d50\u679c<\/h3>\n<pre class=\"post-pre\"><code>variable1 is 32\r\nvariable1 is 64\r\nvariable2 is 32\r\nvariable2 is 64\r\nvariable2 is string\r\n<\/code><\/pre>\n<h2>\u53c2\u8003\u6587\u732e<\/h2>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Rust\u306e\u5909\u6570\uff08\u518d\u4ee3\u5165\u3001\u518d\u5ba3\u8a00\uff08\u30b7\u30e3\u30c9\u30fc\u30a4\u30f3\u30b0\uff09\uff09 &#8211; \u3084\u3063\u3066\u307f\u308b http:\/\/ytyaru.hatenablog.com\/entry\/2020\/08\/02\/000000<\/ul>\n<\/li>\n<\/ul>\n<p>\u518d\u675f\u7e1b\u3068\u518d\u4ee3\u5165\u306e\u9055\u3044 &#8211; Qiita https:\/\/qiita.com\/padawan_e15\/items\/63b0c728514907c9faaa<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3053\u308c\u4f55 rust\u3063\u3066\u4e00\u5ea6\u5024\u3092\u5165\u308c\u305f\u3089\u66f4\u65b0\u3067\u304d\u306a\u3044\u3002 \u540c\u3058\u5909\u6570\u306e\u5024\u3092\u5909\u3048\u308b\u5834\u5408\u3069\u3046\u3057\u305f\u3089\u3044\u3044\u3093\u3060\u3063\u3051\u3063\u3066\u8a00\u3046\u5099\u5fd8 [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-45340","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\/45340-2\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:description\" content=\"\u3053\u308c\u4f55 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