{"id":434168,"date":"2024-01-16T05:45:40","date_gmt":"2024-01-16T04:45:40","guid":{"rendered":"https:\/\/blog.jetbrains.com\/rust\/2023\/12\/14\/the-most-common-rust-compiler-errors-as-encountered-in-rustrover-part-1\/"},"modified":"2024-01-17T01:48:02","modified_gmt":"2024-01-17T00:48:02","slug":"the-most-common-rust-compiler-errors-as-encountered-in-rustrover-part-1","status":"publish","type":"rust","link":"https:\/\/blog.jetbrains.com\/ja\/rust\/2024\/01\/16\/the-most-common-rust-compiler-errors-as-encountered-in-rustrover-part-1\/","title":{"rendered":"RustRover \u3067\u906d\u9047\u3059\u308b\u6700\u3082\u4e00\u822c\u7684\u306a Rust \u30b3\u30f3\u30d1\u30a4\u30e9\u30fc\u30a8\u30e9\u30fc: \u30d1\u30fc\u30c8 1"},"content":{"rendered":"<p>Rust \u30b3\u30f3\u30d1\u30a4\u30e9\u30fc\u306f\u597d\u304d\u5acc\u3044\u306e\u6fc0\u3057\u3044\u30c4\u30fc\u30eb\u3067\u3059\u3002 \u4e0e\u3048\u3089\u308c\u305f\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u304c\u6c17\u306b\u5165\u3089\u306a\u3051\u308c\u3070\u3001400 \u7a2e\u985e\u4ee5\u4e0a\u306e\u30a8\u30e9\u30fc\u3092\u51fa\u529b\u3059\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\uff08\u305d\u306e\u6570\u306f\u6bce\u6708\u5897\u3048\u308b\u4e00\u65b9\u3067\u3059\uff01\uff09\u3002 \u975e\u5e38\u306b\u307e\u308c\u306a\u30a8\u30e9\u30fc\u3082\u3042\u308a\u307e\u3059\u304c\u3001\u6bce\u65e5\u306e\u3088\u3046\u306b Rust \u306e\u958b\u767a\u696d\u52d9\u3092\u56f0\u96e3\u306b\u3057\u3066\u3044\u308b\u30a8\u30e9\u30fc\u3082\u3042\u308a\u307e\u3059\u3002 \u3053\u306e\u30d6\u30ed\u30b0\u8a18\u4e8b\u306e\u9023\u8f09\u3067\u306f\u3001JetBrains \u306e Rust \u5c02\u7528 IDE \u3067\u3042\u308b RustRover \u3067\u958b\u767a\u8005\u304c\u906d\u9047\u3059\u308b\u6700\u3082\u4e00\u822c\u7684\u306a Rust \u30b3\u30f3\u30d1\u30a4\u30e9\u30fc\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u3068\u305d\u308c\u3092\u56de\u907f\u3059\u308b\u305f\u3081\u306e\u30d2\u30f3\u30c8\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002 \u307e\u305a\u305d\u306e\u524d\u306b\u3001\u300c\u6700\u3082\u4e00\u822c\u7684\u306a\u30a8\u30e9\u30fc\u300d\u3068\u3044\u3046\u306e\u304c\u5b9f\u969b\u306b\u3069\u3046\u3044\u3046\u3082\u306e\u306a\u306e\u304b\u3092\u8aac\u660e\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<h2 class=\"wp-block-heading\">RustRover \u306e\u4f7f\u7528\u30c7\u30fc\u30bf\u304b\u3089\u6700\u3082\u4e00\u822c\u7684\u306a\u30a8\u30e9\u30fc\u3092\u7279\u5b9a\u3059\u308b<\/h2>\n<p>RustRover \u30e6\u30fc\u30b6\u30fc\u306f JetBrains \u3078\u306e<a href=\"https:\/\/pleiades.io\/help\/idea\/settings-usage-statistics.html\" target=\"_blank\" rel=\"noopener\">\u533f\u540d\u306e\u4f7f\u7528\u72b6\u6cc1\u30c7\u30fc\u30bf\u306e\u9001\u4fe1<\/a>\u3092\u30aa\u30d7\u30c8\u30a4\u30f3\u3067\u304d\u307e\u3059\u3002 \u5f53\u793e\u306f\u3053\u306e\u30c7\u30fc\u30bf\u3092\u89e3\u6790\u3059\u308b\u3053\u3068\u3067\u3001\u3055\u307e\u3056\u307e\u306a\u30e6\u30fc\u30b6\u30fc\u30d1\u30bf\u30fc\u30f3\u3092\u89b3\u5bdf\u3057\u3066 IDE \u306e\u6539\u5584\u65b9\u6cd5\u306b\u95a2\u3059\u308b\u30a4\u30f3\u30b5\u30a4\u30c8\u3092\u5f97\u3066\u3044\u307e\u3059\u3002 \u5f53\u7136\u306a\u304c\u3089\u30e6\u30fc\u30b6\u30fc\u306e\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3092\u91cd\u8996\u3057\u3001IDE \u3067\u306f\u975e\u5e38\u306b\u9650\u3089\u308c\u305f\u60c5\u5831\u3057\u304b\u53ce\u96c6\u3057\u3066\u3044\u307e\u305b\u3093\u3002 \u305f\u3068\u3048\u3070\u3001\u3053\u306e\u30c7\u30fc\u30bf\u306b\u306f\u8ffd\u8de1\u3057\u3066\u30e6\u30fc\u30b6\u30fc\u3092\u7a81\u304d\u6b62\u3081\u3089\u308c\u308b\u3088\u3046\u306a\u3082\u306e\u306f\u542b\u307e\u308c\u3066\u3044\u307e\u305b\u3093\u3002 \u30c7\u30fc\u30bf\u304c\u533f\u540d\u5316\u3055\u308c\u3066\u3044\u3066\u3082\u3001\u6700\u3082\u767a\u751f\u983b\u5ea6\u306e\u9ad8\u3044\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u3088\u3046\u306a\u5927\u307e\u304b\u306a IDE \u306e\u4f7f\u7528\u72b6\u6cc1\u3092\u628a\u63e1\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u30aa\u30d7\u30c8\u30a4\u30f3\u3057\u305f\u30e6\u30fc\u30b6\u30fc\u304c IDE \u3092\u4ecb\u3057\u3066\uff08\u305f\u3068\u3048\u3070\u3001\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u30d3\u30eb\u30c9\u306b\u5fc5\u8981\u306a\u5b9f\u884c\u69cb\u6210\u3092\u30c8\u30ea\u30ac\u30fc\u3059\u308b\u306a\u3069\u306b\u3088\u3063\u3066\uff09Cargo Build \u30b3\u30de\u30f3\u30c9\u3092\u8d77\u52d5\u3057\u305f\u969b\u306b Rust \u30b3\u30f3\u30d1\u30a4\u30e9\u30fc\u304c\u30a8\u30e9\u30fc\u3092\u51fa\u529b\u3059\u308b\u5834\u5408\u306b\u306f\u5fc5\u305a<a href=\"https:\/\/doc.rust-lang.org\/error_codes\/error-index.html\" target=\"_blank\" rel=\"noopener\">\u30a8\u30e9\u30fc\u30b3\u30fc\u30c9<\/a>\u3092\u8a18\u9332\u3057\u3066\u3044\u307e\u3059\u3002 \u3053\u306e\u5bfe\u8c61\u306b\u306f\u30e6\u30fc\u30b6\u30fc\u304c\u30b3\u30fc\u30c9\u3092\u66f8\u304f\u969b\u306b\u767a\u751f\u3059\u308b<em>\u3059\u3079\u3066<\/em>\u306e\u30b3\u30fc\u30c9\u306e\u554f\u984c\u3067\u306f\u306a\u304f\u3001\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u30d3\u30eb\u30c9\u3057\u305f\u5f8c\u3082\u6b8b\u3063\u3066\u3044\u308b\u554f\u984c\u306e\u307f\u304c\u542b\u307e\u308c\u307e\u3059\u3002 \u591a\u304f\u306e\u5834\u5408\u3001\u4e2d\u9593\u30a8\u30e9\u30fc\u306f IDE \u304c\u63d0\u4f9b\u3059\u308b\u30a4\u30f3\u30b9\u30da\u30af\u30b7\u30e7\u30f3\u3068\u30af\u30a4\u30c3\u30af\u30d5\u30a3\u30c3\u30af\u30b9\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u4fee\u6b63\u3067\u304d\u307e\u3059\u3002 \u4f7f\u7528\u72b6\u6cc1\u30c7\u30fc\u30bf\u3092\u9001\u4fe1\u3059\u308b\u30e6\u30fc\u30b6\u30fc\u3068 RustRover \u306e\u4f7f\u7528\u983b\u5ea6\u304c\u5897\u3048\u308b\u307b\u3069\u3001\u3088\u308a\u9069\u5207\u306b\u30e6\u30fc\u30b6\u30fc\u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u3092\u628a\u63e1\u3057\u3066 IDE \u306e\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u652f\u63f4\u6a5f\u80fd\u3092\u3055\u3089\u306b\u6539\u5584\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002 \u4f7f\u7528\u72b6\u6cc1\u30c7\u30fc\u30bf\u306e\u63d0\u4f9b\u3092\u901a\u3058\u3066 RustRover \u306e\u6539\u5584\u306b\u3054\u5354\u529b\u3044\u305f\u3060\u3044\u3066\u3044\u308b\u7686\u3055\u3093\u306b\u611f\u8b1d\u3057\u307e\u3059\uff01<\/p>\n<p>\u5f53\u793e\u306f RustRover \u3092\u5b9f\u884c\u3057\u3066\u3044\u308b\u30e6\u30fc\u30b6\u30fc\u304b\u3089\u30a8\u30e9\u30fc\u30b3\u30fc\u30c9\u3092\u53ce\u96c6\u3057\u3001\u5404\u30a8\u30e9\u30fc\u30b3\u30fc\u30c9\u306b\u906d\u9047\u3057\u305f\u30e6\u30fc\u30b6\u30fc\u6570\u306b\u57fa\u3065\u3044\u3066\u30a8\u30e9\u30fc\u3092\u30e9\u30f3\u30af\u4ed8\u3051\u3057\u307e\u3057\u305f\u3002 \u3053\u306e\u9023\u8f09\u306e\u4eca\u56de\u306e\u8a18\u4e8b\u3067\u306f\u6700\u3082\u4e00\u822c\u7684\u306a\u30a8\u30e9\u30fc\u306e\u3046\u3061 10 \u4f4d\u304b\u3089 6 \u4f4d\u307e\u3067\u8aac\u660e\u3057\u3001\u6b21\u56de\u306e\u8a18\u4e8b\u3067\u306f\u6700\u3082\u4e00\u822c\u7684\u306a\u30a8\u30e9\u30fc\u306e\u3046\u3061\u4e0a\u4f4d 5 \u4ef6\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002 \u3053\u308c\u3089\u306e\u30a8\u30e9\u30fc\u306e\u80cc\u5f8c\u306b\u3042\u308b\u7406\u7531\u3092\u78ba\u8a8d\u3057\u3001\u5358\u7d14\u306a\u4f8b\u3092\u8a73\u3057\u304f\u898b\u306a\u304c\u3089\u53ef\u80fd\u306a\u4fee\u6b63\u65b9\u6cd5\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n<h2 class=\"wp-block-heading\">\u4e00\u822c\u7684\u306a\u30a8\u30e9\u30fc\u7b2c 10 \u4f4d: E0412<em>\uff08A used type name is not in scope; \u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u578b\u540d\u306f\u30b9\u30b3\u30fc\u30d7\u5185\u306b\u3042\u308a\u307e\u305b\u3093\uff09<\/em><\/h2>\n<p>Rust \u306f\u578b\u5ba3\u8a00\u30b5\u30a4\u30c8\u3068\u578b\u540d\u306e\u4f7f\u7528\u7b87\u6240\u3092\u53b3\u5bc6\u306b\u533a\u5225\u3057\u307e\u3059\u3002 \u3059\u3079\u3066\u306e\u578b\u540d\uff08\u30b8\u30a7\u30cd\u30ea\u30c3\u30af\u578b\u3092\u542b\u3080\uff09\u306f\u3069\u3053\u304b\u3067\u5ba3\u8a00\u3057\u3001\u4f7f\u7528\u3055\u308c\u308b\u30b9\u30b3\u30fc\u30d7\u5185\u306b\u3042\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 \u30b3\u30f3\u30d1\u30a4\u30e9\u30fc\u304c\u578b\u540d\u306e\u4f7f\u7528\u7b87\u6240\u3092\u898b\u3064\u3051\u3066\u3082\u3001\u305d\u306e\u5ba3\u8a00\u30b5\u30a4\u30c8\u306b\u95a2\u3059\u308b\u60c5\u5831\u304c\u306a\u3044\u5834\u5408\u306b\u306f E0412 \u3092\u51fa\u529b\u3057\u307e\u3059\u3002 RustRover \u30e6\u30fc\u30b6\u30fc\u306e\u7d04 12% \u304c\u3042\u308b\u6642\u70b9\u3067\u3053\u306e\u30a8\u30e9\u30fc\u306b\u906d\u9047\u3057\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n<p><code>i32<\/code> \u3067\u306f\u306a\u304f <code>i42<\/code> \u3068\u5165\u529b\u3057\u3066\u3057\u307e\u3063\u305f\u3068\u3057\u307e\u3057\u3087\u3046\u3002 RustRover \u306f\u3053\u306e\u554f\u984c\u3092\u767a\u898b\u3057\u3001\u4e0d\u660e\u306a\u578b\u540d\u3068\u3057\u3066\u30cf\u30a4\u30e9\u30a4\u30c8\u3057\u307e\u3059\u3002 \u30b3\u30f3\u30d1\u30a4\u30e9\u30fc\u306f\u3088\u308a\u8a73\u7d30\u306a\u60c5\u5831\u3092\u63d0\u4f9b\u3057\u3001\u30b3\u30f3\u30d1\u30a4\u30e9\u30fc\u51fa\u529b\u306b <em>Apply fix<\/em>\uff08\u4fee\u6b63\u306e\u9069\u7528\uff09\u30dc\u30bf\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u7c21\u5358\u306b\u9069\u7528\u53ef\u80fd\u306a\u4fee\u6b63\u6848\u3092\u51fa\u3057\u307e\u3059\u3002<\/p>\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-418741\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2023\/12\/image-16.png\" alt=\"\" width=\"1600\" height=\"900\" \/><\/figure>\n<p>\u3053\u306e\u307b\u304b\u306b\u3082\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b E0412 \u3092\u5f15\u304d\u8d77\u3053\u3059\u72b6\u6cc1\u304c\u3044\u304f\u3064\u304b\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u578b\u3092\u5ba3\u8a00\u3057\u5fd8\u308c\u3066\u3044\u308b\u3002<\/li>\n<li>\u73fe\u5728\u306e\u30b9\u30b3\u30fc\u30d7\u306b\u578b\u3092\u30a4\u30f3\u30dd\u30fc\u30c8\u3057\u3066\u3044\u308b\u3002<\/li>\n<li>\u30b8\u30a7\u30cd\u30ea\u30c3\u30af\u578b\u540d\u3092\u5c0e\u5165\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u578b\u304c\u30b3\u30f3\u30d1\u30a4\u30e9\u30fc\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u306a\u304f\u306a\u3063\u3066\u3044\u308b\u3002<\/li>\n<\/ul>\n<p>\u3053\u306e\u554f\u984c\u3092\u4fee\u6b63\u3059\u308b\u305f\u3081\u3001\u578b\u5ba3\u8a00\u3092\u6307\u5b9a\u3059\u308b\uff08\u69cb\u9020\u4f53\u3092\u5ba3\u8a00\u3059\u308b\u304b\u3001\u30b8\u30a7\u30cd\u30ea\u30c3\u30af\u578b\u540d\u3092\u9069\u5207\u306b\u5c0e\u5165\u3059\u308b\uff09\u304b\u3001\u578b\u3092\u30b9\u30b3\u30fc\u30d7\u306b\u79fb\u52d5\u3059\u308b\uff08<code>use<\/code> \u7bc0\u3092\u4f7f\u7528\uff09\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 <a href=\"https:\/\/doc.rust-lang.org\/error_codes\/E0412.html\" target=\"_blank\" rel=\"noopener\">E0412 \u30a8\u30e9\u30fc\u306e\u6b63\u5f0f\u306a\u8aac\u660e<\/a>\u3067\u306f\u3001\u3053\u306e\u30a8\u30e9\u30fc\u306e\u4f8b\u304c\u4ed6\u306b\u3082\u63d0\u4f9b\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2 class=\"wp-block-heading\">\u4e00\u822c\u7684\u306a\u30a8\u30e9\u30fc\u7b2c 9 \u4f4d: E0061\uff08<em>An invalid number of arguments was passed when calling a function<\/em>; \u95a2\u6570\u3092\u547c\u3073\u51fa\u3059\u969b\u306b\u7121\u52b9\u306a\u6570\u306e\u5f15\u6570\u304c\u6e21\u3055\u308c\u307e\u3057\u305f\uff09<\/h2>\n<p>RustRover \u306f\u3053\u306e\u7279\u5b9a\u306e\u30a8\u30e9\u30fc\u3092\u8a8d\u8b58\u3057\u3066\u4e00\u9023\u306e\u4fee\u6b63\u3092\u63d0\u4f9b\u3057\u307e\u3059\u304c\u3001RustRover \u30e6\u30fc\u30b6\u30fc\u306e 13% \u306f\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u30d3\u30eb\u30c9\u3059\u308b\u524d\u306b\u3053\u306e\u554f\u984c\u3092\u898b\u904e\u3054\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u30a8\u30e9\u30fc\u81ea\u4f53\u306f\u8aad\u3093\u3067\u5b57\u306e\u901a\u308a\u3067\u3059\u3002\u73fe\u5728\u306e\u30b9\u30b3\u30fc\u30d7\u3067\u5ba3\u8a00\u3055\u308c\u3066\u3044\u308b\u304b\u3001\u4ed6\u306e\u5834\u6240\u304b\u3089\u30a4\u30f3\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u308b\u95a2\u6570\u304c\u3042\u308a\u3001\u547c\u3073\u51fa\u3057\u30b5\u30a4\u30c8\u3067\u6307\u5b9a\u3055\u308c\u3066\u3044\u308b\u5f15\u6570\u306e\u6570\u304c\u5c11\u306a\u3059\u304e\u308b\u304b\u591a\u3059\u304e\u308b\u3068\u3044\u3046\u3082\u306e\u3067\u3059\u3002 \u4f8b\u3092\u898b\u306a\u304c\u3089 RustRover \u306e\u63d0\u6848\u3068 Rust \u30b3\u30f3\u30d1\u30a4\u30e9\u30fc\u306e\u63d0\u6848\u3092\u6bd4\u8f03\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-418752\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2023\/12\/image-17.png\" alt=\"\" width=\"1600\" height=\"900\" \/><\/figure>\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001<a href=\"https:\/\/adventofcode.com\/\" target=\"_blank\" rel=\"noopener\">\u6700\u8fd1\u591a\u304f\u306e\u4eba\u304c\u884c\u3063\u3066\u3044\u308b<\/a>\u3088\u3046\u306b\u30d5\u30a1\u30a4\u30eb\u3092\u958b\u3044\u3066\u3044\u307e\u3059\u3002 \u5225\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u3067\u306e\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u306b\u6163\u308c\u3066\u3044\u308b\u65b9\u306f\u7b2c 2 \u5f15\u6570\u3092\u6307\u5b9a\u3059\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001Rust \u306e\u5834\u5408\u3001\u3053\u306e\u30e1\u30bd\u30c3\u30c9\u306f\u5f15\u6570\u3092 1 \u3064\u3057\u304b\u53d6\u308a\u307e\u305b\u3093\u3002 RustRover \u3068 Rust \u30b3\u30f3\u30d1\u30a4\u30e9\u30fc\u306f\u3044\u305a\u308c\u3082\u7b2c 2 \u5f15\u6570\u3092\u9664\u53bb\u3059\u308b\u3088\u3046\u306b\u63d0\u6848\u3057\u307e\u3059\u3002 IDE \u304b\u3089\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u30d3\u30eb\u30c9\u3059\u308b\u3053\u3068\u306a\u304f\u6709\u76ca\u306a\u63d0\u6848\u3092\u5f97\u3089\u308c\u308b\u306e\u306f\u3068\u3066\u3082\u4fbf\u5229\u3067\u3059\u3002 \u30b3\u30fc\u30c9\u5185\u306e\u8d64\u3044\u6ce2\u7dda\u304c\u4ed8\u3044\u305f\u7b87\u6240\u306b\u6ce8\u76ee\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u901a\u5e38\u306f\u4f55\u304b\u304c\u8d77\u3053\u308d\u3046\u3068\u3057\u3066\u3044\u307e\u3059\uff01<\/p>\n<p>\u547c\u3073\u51fa\u305d\u3046\u3068\u3057\u3066\u3044\u308b\u95a2\u6570\u304c\u72ec\u81ea\u306e\u30b3\u30fc\u30c9\u306b\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3001\u3053\u306e\u72b6\u6cc1\u306f\u3055\u3089\u306b\u9762\u767d\u304f\u306a\u308a\u307e\u3059\u3002 \u540c\u3058\u30b3\u30fc\u30c9\u30b5\u30f3\u30d7\u30eb\u306b\u8ffd\u52a0\u3057\u7d9a\u3051\u305f\u3068\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-418763\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2023\/12\/image-18.png\" alt=\"\" width=\"1600\" height=\"900\" \/><\/figure>\n<p>\u3053\u306e\u5834\u5408\u3001RustRover \u306f\u3053\u306e\u95a2\u6570\u306b\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3092\u8ffd\u52a0\u3059\u308b\u3053\u3068\u3092\u6700\u521d\u306e\u4ee3\u66ff\u6848\u3068\u3057\u3066\u51fa\u3057\u307e\u3059\u3002\u5b9f\u969b\u3001\u3053\u306e\u63d0\u6848\u306f\u7406\u306b\u304b\u306a\u3063\u3066\u3044\u307e\u3059\u3002 \u3057\u304b\u3057\u3001Rust \u30b3\u30f3\u30d1\u30a4\u30e9\u30fc\u306f\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u306e\u524a\u9664\u3092\u8981\u6c42\u3057\u307e\u3059\u3002 \u3053\u306e\u9055\u3044\u306b\u306f\u6839\u62e0\u304c\u3042\u308a\u307e\u3059\u3002 \u30b3\u30f3\u30d1\u30a4\u30e9\u30fc\u306e\u4ed5\u4e8b\u306f\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u6b63\u3057\u3044\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3067\u3042\u308a\u3001\u305d\u308c\u3092\u9054\u6210\u3059\u308b\u306b\u306f\u547c\u3073\u51fa\u3057\u30b5\u30a4\u30c8\u306e\u4f59\u5206\u306a\u5f15\u6570\u3092\u53d6\u308a\u9664\u304f\u3053\u3068\u304c\u6700\u3082\u7c21\u5358\u306a\u306e\u3067\u3059\u3002 \u4e00\u65b9\u3001IDE \u306f\u30e6\u30fc\u30b6\u30fc\u304c\u5b9f\u73fe\u3057\u305f\u3044\u3082\u306e\u306b\u8fd1\u3065\u3051\u308b\u3053\u3068\u3092\u76ee\u6a19\u3068\u3057\u3066\u3044\u307e\u3059\u3002 \u3053\u306e\u5f15\u6570\u304c\u72ec\u81ea\u306e\u95a2\u6570\u306b\u5bfe\u3057\u3066\u5165\u529b\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u306f\u610f\u56f3\u7684\u306b\u884c\u308f\u308c\u305f\u53ef\u80fd\u6027\u304c\u9ad8\u3044\u305f\u3081\u3001RustRover \u306f\u30e6\u30fc\u30b6\u30fc\u304c\u7740\u624b\u3057\u305f\u4f5c\u696d\u3092\u5b8c\u9042\u3067\u304d\u308b\u3088\u3046\u306b\u652f\u63f4\u3057\u3088\u3046\u3068\u3057\u307e\u3059\u3002<\/p>\n<h2 class=\"wp-block-heading\">\u4e00\u822c\u7684\u306a\u30a8\u30e9\u30fc\u7b2c 8 \u4f4d: E0282\uff08<em>The compiler could not infer a type and asked for a type annotation<\/em>; \u30b3\u30f3\u30d1\u30a4\u30e9\u30fc\u304c\u578b\u3092\u63a8\u8ad6\u3067\u304d\u305a\u3001\u578b\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u8981\u6c42\u3057\u307e\u3057\u305f\uff09<\/h2>\n<p>\u5909\u6570\u306b\u5fc5\u8981\u306a\u578b\u3092\u5224\u65ad\u3067\u304d\u305a\u3001\u624b\u52d5\u3067\u578b\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u8ffd\u52a0\u3059\u308b\u3053\u3068\u3057\u304b\u63d0\u6848\u3067\u304d\u306a\u3044\u72b6\u6cc1\u3067\u306f\u3001\u30b3\u30f3\u30d1\u30a4\u30e9\u30fc\u304c\u884c\u304d\u8a70\u307e\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002 \u3053\u306e\u30a8\u30e9\u30fc\u306b\u906d\u9047\u3057\u305f\u3053\u3068\u304c\u3042\u308b\u65b9\u306f\u591a\u304f\u3001RustRover \u30e6\u30fc\u30b6\u30fc\u306e 13.5% \u304c\u7d4c\u9a13\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>E0282 \u306e\u3088\u3046\u306a\u30a8\u30e9\u30fc\u306e\u4e3b\u306a\u539f\u56e0\u306f\u6c4e\u7528\u6027\u306b\u3042\u308a\u307e\u3059\u3002 \u591a\u304f\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u95a2\u6570\u306f\u30b8\u30a7\u30cd\u30ea\u30c3\u30af\u578b\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3092\u53d6\u308a\u307e\u3059\u304c\u3001\u30b3\u30f3\u30d1\u30a4\u30e9\u30fc\u306f\u3053\u306e\u3088\u3046\u306a\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3092\u5177\u8c61\u578b\u306b\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u305f\u3081\u3001\u6df7\u4e71\u3057\u3066\u3057\u307e\u3044\u307e\u3059\u3002 \u6b21\u306e\u4f8b\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-418774\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2023\/12\/image-19.png\" alt=\"\" width=\"1600\" height=\"900\" \/><\/figure>\n<p>\u3053\u3053\u3067\u306f\u3001\u6587\u5b57\u5217\u306e\u6570\u5b57\u3092\u3042\u308b\u30b3\u30f3\u30c6\u30ca\u30fc\u306b\u53ce\u96c6\u3057\u3088\u3046\u3068\u3057\u3066\u3044\u307e\u3059\u3002 \u6b8b\u5ff5\u306a\u304c\u3089\u3001\u30b3\u30f3\u30d1\u30a4\u30e9\u30fc\u306f\u305d\u306e\u6570\u5b57\u304c\u3069\u306e\u3088\u3046\u306a\u7a2e\u985e\u3067\u3042\u308b\u306e\u304b\u3001\u3069\u306e\u3088\u3046\u306a\u30b3\u30f3\u30c6\u30ca\u30fc\u3067\u3042\u308b\u306e\u304b\u3092\u5224\u5b9a\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n<p>\u30b3\u30f3\u30d1\u30a4\u30e9\u30fc\u306f\u30b3\u30f3\u30c6\u30ca\u30fc\u306e\u578b\u3092\u5148\u306b\u6307\u5b9a\u3059\u308b\u3088\u3046\u306b\u63d0\u6848\u3057\u307e\u3059\u304c\u3001 \u3053\u306e\u4fee\u6b63\u3092\u9069\u7528\u3057\u305f\u5834\u5408\u306f\u540c\u3058\u3088\u3046\u306a\u30a8\u30e9\u30fc\u304c\u518d\u767a\u3057\u3066\u3057\u307e\u3044\u307e\u3059\u3002\u4eca\u5ea6\u306f <code>str::parse<\/code> \u306b\u95a2\u3059\u308b\u30a8\u30e9\u30fc\u3067\u3059\u3002 <code>collect<\/code> \u3068 <code>parse<\/code> \u306f\u3044\u305a\u308c\u3082\u30b8\u30a7\u30cd\u30ea\u30c3\u30af\u30e1\u30bd\u30c3\u30c9\u3067\u3059\u304c\u3001\u30b3\u30f3\u30d1\u30a4\u30e9\u30fc\u304c\u3053\u308c\u3089\u3092\u4f7f\u7528\u3059\u308b\u30b3\u30fc\u30c9\u3092\u30b3\u30f3\u30d1\u30a4\u30eb\u3059\u308b\u306b\u306f\u3001\u6b63\u78ba\u306a\u578b\u3092\u77e5\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 RustRover \u3067\u306f\u30a8\u30e9\u30fc\u3092\u767a\u898b\u3067\u304d\u308b\u3088\u3046\u306b\u578b\u30c1\u30a7\u30c3\u30af\u6a5f\u80fd\u306e\u52d5\u4f5c\u3092\u6539\u826f\u3057\u3066\u3044\u308b\u6700\u4e2d\u3067\u3042\u308b\u305f\u3081\u3001\u30a8\u30e9\u30fc\u306f\u30cf\u30a4\u30e9\u30a4\u30c8\u3055\u308c\u307e\u305b\u3093\u306e\u3067\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u3053\u306e\u554f\u984c\u3092\u4fee\u6b63\u3059\u308b\u306b\u306f\u3044\u304f\u3064\u304b\u306e\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002\u578b\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u8ffd\u52a0\u3059\u308b\u5834\u6240\u304c 2 \u3064\u4ee5\u4e0a\u3042\u308b\u305f\u3081\u3067\u3059\u3002 <code>numbers<\/code> \u30d9\u30af\u30bf\u30fc\u306e\u5177\u8c61\u578b\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"rust\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">let numbers: Vec = \"1\u00a0 5 \u00a0 \u00a0 6 \u00a0 3\"<\/pre>\n<p>\u307e\u305f\u306f\u3001<code>collect<\/code> \u3092\u547c\u3073\u51fa\u3059\u969b\u306b\u540c\u3058\u578b\u3092\u8a18\u8ff0\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"rust\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">   .collect::&lt;Vec&gt;();<\/pre>\n<p>\u6700\u5f8c\u306b\u3001\u5225\u3005\u306e\u5834\u6240\u3067\u7570\u306a\u308b\u578b\u3092\u8a18\u8ff0\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"rust\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">let numbers = \"1\u00a0 5 \u00a0 \u00a0 6 \u00a0 3\"\n\u00a0\u00a0\u00a0.split_whitespace()\n\u00a0\u00a0\u00a0.map(str::parse::)\n\u00a0\u00a0\u00a0.map(Result::unwrap)\n\u00a0\u00a0\u00a0.collect::&lt;Vec&lt;_&gt;&gt;();<\/pre>\n<p>\u3053\u306e\u30a8\u30e9\u30fc\u306f\u7c21\u5358\u306b\u4fee\u6b63\u3067\u304d\u307e\u3059\u3002\u5fc5\u8981\u306a\u578b\u3092\u6307\u5b9a\u3059\u308b\u3060\u3051\u3067\u3059\u3002<\/p>\n<h2 class=\"wp-block-heading\">\u4e00\u822c\u7684\u306a\u30a8\u30e9\u30fc\u7b2c 7 \u4f4d: E0432\uff08<em>An import was unresolved<\/em>; \u30a4\u30f3\u30dd\u30fc\u30c8\u304c\u89e3\u6c7a\u3055\u308c\u307e\u305b\u3093\u3067\u3057\u305f\uff09<\/h2>\n<p>RustRover \u306b\u306f\u591a\u6570\u306e\u81ea\u52d5\u88dc\u5b8c\u6a5f\u80fd\u304c\u5099\u308f\u3063\u3066\u3044\u307e\u3059\u3002 \u305f\u3068\u3048\u3070\u3001\u30b3\u30fc\u30c9\u306b\u6b63\u898f\u8868\u73fe\u3092\u5c0e\u5165\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-418785\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2023\/12\/image-20.png\" alt=\"\" width=\"1600\" height=\"421\" \/><\/figure>\n<p>\u6700\u521d\u306e\u5019\u88dc\u3092\u9078\u629e\u3059\u308b\u3068\u3001\u88dc\u5b8c\u81ea\u4f53\u306b\u52a0\u3048\u3066\u4ee5\u4e0b\u306e 2 \u3064\u304c\u767a\u751f\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li><code>regex<\/code> \u30af\u30ec\u30fc\u30c8\u306e\u4f9d\u5b58\u95a2\u4fc2\u304c <kbd>Cargo.toml<\/kbd> \u306b\u8ffd\u52a0\u3055\u308c\u308b\u3002<\/li>\n<li><code>use regex::Regex;<\/code> \u7bc0\u304c\u30d5\u30a1\u30a4\u30eb\u306e\u6700\u4e0a\u90e8\u306b\u8ffd\u52a0\u3055\u308c\u308b\u3002<\/li>\n<\/ul>\n<p>\u3053\u306e\u3088\u3046\u306b use \u7bc0\u3092\u8ffd\u52a0\u3059\u308b\u3068\u3001\u30a4\u30f3\u30dd\u30fc\u30c8\u304c\u81ea\u52d5\u7684\u306b\u6b63\u3057\u304f\u8a18\u8ff0\u3055\u308c\u307e\u3059\u3002 \u305f\u3060\u3057\u3001\u30a4\u30f3\u30dd\u30fc\u30c8\u3092\u624b\u52d5\u3067\u66f8\u304f\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u3082\u3042\u308a\u3001\u305d\u3053\u3067 E0432 \u30a8\u30e9\u30fc\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002RustRover \u30e6\u30fc\u30b6\u30fc\u306e 15.5% \u306f\u3053\u306e\u30a8\u30e9\u30fc\u306b\u6642\u3005\u906d\u9047\u3057\u3066\u3044\u307e\u3059\u3002\u4e3b\u306b\u30af\u30ec\u30fc\u30c8\u307e\u305f\u306f\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u540d\u524d\u306b\u30b9\u30da\u30eb\u30df\u30b9\u304c\u3042\u308b\u5834\u5408\u3001\u5b58\u5728\u3057\u306a\u3044\u3082\u306e\u3092\u30a4\u30f3\u30dd\u30fc\u30c8\u3057\u3088\u3046\u3068\u3057\u305f\u5834\u5408\u3001\u307e\u305f\u306f\u8aa4\u3063\u305f <code>use<\/code> \u7bc0\u3092\u3069\u3053\u304b\u304b\u3089\u30b3\u30d4\u30fc\u3057\u3066\u30b3\u30fc\u30c9\u306b\u8cbc\u308a\u4ed8\u3051\u305f\u5f8c\u306b\u767a\u751f\u3057\u3066\u3044\u307e\u3059\u3002 \u3069\u3093\u306a\u5834\u5408\u3067\u3042\u308c\u3001\u4f9d\u5b58\u95a2\u4fc2\u3068\u305d\u306e\u540d\u524d\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u771f\u3063\u5148\u306b\u63d0\u6848\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>RustRover \u306b\u3088\u3063\u3066\u3053\u306e\u30a8\u30e9\u30fc\u3092\u9632\u3052\u308b\u5834\u5408\u3082\u3042\u308a\u307e\u3059\u3002 \u30a4\u30f3\u30dd\u30fc\u30c8\u3057\u3088\u3046\u3068\u3057\u3066\u3044\u308b\u30af\u30ec\u30fc\u30c8\u3092 RustRover \u304c\u8a8d\u8b58\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u5916\u90e8\u30bd\u30fc\u30b9\u304b\u3089\u30b3\u30fc\u30c9\u3092\u8cbc\u308a\u4ed8\u3051\u308b\u969b\u306b\u4f9d\u5b58\u95a2\u4fc2\u3092\u8ffd\u52a0\u3059\u308b\u3088\u3046\u306b\u63d0\u6848\u3055\u308c\u308b\u304b\u3001\u6b21\u306e\u30af\u30a4\u30c3\u30af\u30d5\u30a3\u30c3\u30af\u30b9\u306b\u3088\u308b\u30b5\u30dd\u30fc\u30c8\u304c\u63d0\u4f9b\u3055\u308c\u307e\u3059\u3002<\/p>\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-418796\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2023\/12\/image-21.png\" alt=\"\" width=\"1567\" height=\"335\" \/><\/figure>\n<p>\u5bfe\u5fdc\u3059\u308b\u4f9d\u5b58\u95a2\u4fc2\u3092 <kbd>Cargo.toml<\/kbd> \u306b\u8ffd\u52a0\u3059\u308b\u3068\u3001\u3059\u3050\u306b\u30a8\u30e9\u30fc\u304c\u4fee\u6b63\u3055\u308c\u307e\u3059\u3002 \u30af\u30ec\u30fc\u30c8\u304c\u4f7f\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u3089\u3001\u540d\u524d\u306b\u3088\u308b\u4ed6\u306e\u554f\u984c\u3092\u56de\u907f\u3059\u308b\u305f\u3081\u3001<code>use<\/code> \u7bc0\u306b\u542b\u307e\u308c\u308b\u4ed6\u306e\u30d1\u30b9\u90e8\u5206\u306b\u81ea\u52d5\u88dc\u5b8c\u3092\u4f7f\u7528\u3059\u308b\u306e\u304c\u3088\u308a\u5b89\u5168\u3068\u8a00\u3048\u307e\u3059\u3002 \u3042\u308b\u540d\u524d\u304c\u4f7f\u7528\u3067\u304d\u308b\u304b\u3069\u3046\u304b\u306f\u3001\u6709\u52b9\u5316\u3055\u308c\u3066\u3044\u308b\u30af\u30ec\u30fc\u30c8\u306e\u6a5f\u80fd\u306b\u3088\u3063\u3066\u7570\u306a\u308b\u5834\u5408\u304c\u3042\u308b\u3053\u3068\u306b\u3082\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p><code>super<\/code> \u3084 <code>crate<\/code> \u306a\u3069\u306e\u7279\u6b8a\u306a\u30d1\u30b9\u540d\u306b\u95a2\u3057\u3066\u306f\u3001\u7279\u306b\u7570\u306a\u308b Rust \u30a8\u30c7\u30a3\u30b7\u30e7\u30f3\u9593\u3067\u51e6\u7406\u65b9\u6cd5\u304c\u9055\u3046\u5834\u5408\u306a\u3069\u306b\u554f\u984c\u304c\u751f\u3058\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002 \u3053\u306e\u4ef6\u306b\u95a2\u3059\u308b\u8a73\u7d30\u306f\u3001<a href=\"https:\/\/doc.rust-lang.org\/error_codes\/E0432.html\" target=\"_blank\" rel=\"noopener\">\u6b63\u5f0f\u306a\u8aac\u660e<\/a>\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n<h2 class=\"wp-block-heading\">\u4e00\u822c\u7684\u306a\u30a8\u30e9\u30fc\u7b2c 6 \u4f4d: E0832\uff08<em>A variable was used after its contents have been moved elsewhere<\/em>; \u5909\u6570\u306e\u5185\u5bb9\u304c\u4ed6\u306e\u5834\u6240\u306b\u79fb\u3055\u308c\u305f\u5f8c\u306b\u305d\u306e\u5909\u6570\u304c\u4f7f\u7528\u3055\u308c\u307e\u3057\u305f\uff09<\/h2>\n<p>\u3053\u308c\u306f\u8208\u5473\u6df1\u3044\u30a8\u30e9\u30fc\u3067\u3042\u308a\u3001\u6240\u6709\u6a29\u306b\u95a2\u308f\u308b\u554f\u984c\u3067\u3059\uff01 RustRover \u30e6\u30fc\u30b6\u30fc\u306e 17% \u304c\u3053\u306e\u30a8\u30e9\u30fc\u306b\u906d\u9047\u3057\u3066\u3044\u307e\u3059\u3002 <a href=\"https:\/\/doc.rust-lang.org\/error_codes\/E0382.html\" target=\"_blank\" rel=\"noopener\">\u6b63\u5f0f\u306a\u8aac\u660e<\/a>\u3067\u306f\u3001\u591a\u6570\u306e\u4f8b\u3092\u4f7f\u3063\u3066\u8a73\u3057\u304f\u8aac\u660e\u3055\u308c\u3066\u3044\u307e\u3059\u3002 \u6b8b\u5ff5\u306a\u304c\u3089\u3001\u3053\u308c\u306b\u95a2\u3057\u3066\u306f RustRover \u306f\u3042\u307e\u308a\u5f79\u306b\u7acb\u3061\u307e\u305b\u3093\u3002 <a href=\"https:\/\/www.jetbrains.com\/help\/rust\/rust-external-linters.html\" target=\"_blank\" rel=\"noopener\">\u5916\u90e8\u30ea\u30f3\u30bf\u30fc<\/a>\u304c\u7121\u52b9\u5316\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3001RustRover \u306e\u5185\u90e8\u7684\u306a\u4ed5\u7d44\u307f\u3067\u306f\u6b21\u306e\u30b3\u30fc\u30c9\u306e\u554f\u984c\u306f\u8a8d\u8b58\u3055\u308c\u307e\u305b\u3093\u3002<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"rust\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">fn main() {\n\u00a0\u00a0\u00a0let vec = vec![1, 2, 3, 4, 5];\n\u00a0\u00a0\u00a0let mut sum = 0;\n\u00a0\u00a0\u00a0for v in vec {\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0sum += v;\n\u00a0\u00a0\u00a0}\n\u00a0\u00a0\u00a0println!(\"Sum of {vec:?} elements is {sum}\");\n}<\/pre>\n<p>\u3053\u306e\u7121\u5bb3\u306b\u898b\u3048\u308b\u30b3\u30fc\u30c9\u306f\u3001\u4ed6\u306e\u3044\u304f\u3064\u304b\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u3067\u306f\u307e\u3063\u305f\u304f\u554f\u984c\u306a\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002 \u30d9\u30af\u30bf\u30fc\u304c\u3042\u308a\u3001\u305d\u306e\u8981\u7d20\u306e\u5408\u8a08\u3092\u8a08\u7b97\u3057\u3088\u3046\u3068\u3057\u3066\u3044\u307e\u3059\u3002 \u305f\u3068\u3048\u3070 C \u306e\u7d4c\u9a13\u8005\u306f\u53cd\u5fa9\u5b50\u3092\u4f7f\u3063\u305f\u9ad8\u5ea6\u306a\u95a2\u6570\u578b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u624b\u6cd5\u3092\u77e5\u3089\u306a\u3044\u305f\u3081\u3001\u4ee3\u308f\u308a\u306b\u5f93\u6765\u306e <code>for<\/code> \u30eb\u30fc\u30d7\u3092\u8a18\u8ff0\u3057\u307e\u3059\u3002 \u3059\u3079\u3066\u306e\u5408\u8a08\u304c\u5b8c\u4e86\u3057\u305f\u3089\u3001\u30d9\u30af\u30bf\u30fc\u3068\u8a08\u7b97\u306e\u7d50\u679c\u3092\u51fa\u529b\u3059\u308b\u3060\u3051\u3067\u3059\u3002 \u3067\u3059\u3088\u306d\uff1f<\/p>\n<p>\u305f\u3060\u3001Rust \u3067\u306f\u305d\u3046\u306f\u3044\u304d\u307e\u305b\u3093\u3002\u6240\u6709\u6a29\u30eb\u30fc\u30eb\u3068\u8a00\u308f\u308c\u308b\u3082\u306e\u304c\u3042\u308b\u305f\u3081\u3067\u3059\u3002<\/p>\n<p>\u3053\u3053\u3067\u554f\u984c\u3068\u306a\u3063\u3066\u3044\u308b\u306e\u306f\u3001<code>for<\/code> \u30eb\u30fc\u30d7\u306e\u30c7\u30fc\u30bf\u306e\u30bd\u30fc\u30b9\u304c <code>into_iter()<\/code> \u547c\u3073\u51fa\u3057\u306b\u62e1\u5f35\u3055\u308c\u3066\u304a\u308a\u3001\u3053\u308c\u304c\u30d9\u30af\u30bf\u30fc\u5168\u4f53\u306e\u6240\u6709\u6a29\u3092\u53d6\u3063\u3066\u3044\u308b\u3053\u3068\u3067\u3059\u3002 \u3057\u305f\u304c\u3063\u3066\u3001<code>println!<\/code> \u3067\u30d9\u30af\u30bf\u30fc\u306e\u8981\u7d20\u306b\u30a2\u30af\u30bb\u30b9\u4f7f\u7528\u3059\u308b\u9803\u306b\u306f\u3001\u30b3\u30f3\u30d1\u30a4\u30e9\u30fc\u304c\u79fb\u52d5\u3055\u308c\u305f\u3068\u4e0d\u6e80\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n<p>\u4fee\u6b63\u306f\u7c21\u5358\u3067\u3001\u30b3\u30f3\u30d1\u30a4\u30e9\u30fc\u306b\u3088\u3063\u3066\u63d0\u6848\u3055\u308c\u307e\u3059\u3002\u6240\u6709\u6a29\u304c\u30eb\u30fc\u30d7\u306b<em>\u79fb\u52d5<\/em>\u3055\u308c\u306a\u3044\u3088\u3046\u306b <code>&amp;vec<\/code> \u3092\u53cd\u5fa9\u51e6\u7406\u3057\u3066\u6240\u6709\u6a29\u3092<em>\u501f\u308a\u308b<\/em>\u65b9\u6cd5\u3067\u3059\u3002<\/p>\n<p>\u4e00\u822c\u7684\u306b\u306f\u5024\u306e\u6240\u6709\u6a29\u3092\u5e38\u306b\u8ffd\u8de1\u3059\u308b\u306e\u304c\u4fbf\u5229\u3067\u3059\u3002 \u5024\u306e\u79fb\u52d5\u3068\u5024\u306e\u8cb8\u3057\u51fa\u3057\u306f Rust \u306e\u57fa\u672c\u6982\u5ff5\u3067\u3059\u3002 \u3053\u308c\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u304c\u3059\u3079\u3066\u306e\u5b66\u7fd2\u8005\u306e\u6700\u521d\u306e\u8ab2\u984c\u3068\u8a00\u3048\u307e\u3059\u3002<\/p>\n<h2 class=\"wp-block-heading\">\u307e\u3068\u3081<\/h2>\n<p>\u3053\u306e\u9023\u8f09\u306e\u6700\u521d\u306e\u8a18\u4e8b\u3067\u306f\u3001RustRover \u3067\u63d0\u4f9b\u3055\u308c\u308b\u4f7f\u7528\u72b6\u6cc1\u30c7\u30fc\u30bf\u306b\u57fa\u3065\u304f\u6700\u3082\u4e00\u822c\u7684\u306a Rust \u30b3\u30f3\u30d1\u30a4\u30e9\u30fc\u30a8\u30e9\u30fc\u3092\u5b9a\u7fa9\u3057\u300110 \u4f4d\u304b\u3089 6 \u4f4d\u307e\u3067\u306e\u30a8\u30e9\u30fc\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3057\u305f\u3002 \u6b21\u306e\u8a18\u4e8b\u3067\u306f\u3001\u6700\u3082\u4e00\u822c\u7684\u306a\u30a8\u30e9\u30fc\u306e\u4e0a\u4f4d 5 \u4f4d\u3092\u8a73\u3057\u304f\u898b\u306a\u304c\u3089\u3001\u3059\u3079\u3066\u306e Rust \u958b\u767a\u8005\u306e\u5ff5\u982d\u306b\u3042\u308b\u300c\u3069\u306e\u90e8\u5206\u306e Rust \u304c\u4e00\u756a\u554f\u984c\u3092\u8d77\u3053\u3057\u3084\u3059\u3044\u306e\u304b\u300d\u3068\u3044\u3046\u7591\u554f\u306b\u304a\u7b54\u3048\u3057\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n<p><strong>\u30aa\u30ea\u30b8\u30ca\u30eb\uff08\u82f1\u8a9e\uff09\u30d6\u30ed\u30b0\u6295\u7a3f\u8a18\u4e8b\u306e\u4f5c\u8005\uff1a<\/strong><\/p>\n\n\n    <div class=\"about-author \">\n        <div class=\"about-author__box\">\n            <div class=\"row\">\n                <div class=\"about-author__box-img\">\n                    <img decoding=\"async\" src=\"https:\/\/secure.gravatar.com\/avatar\/?s=200&#038;r=g\" width=\"200\" height=\"200\" alt=\"\" loading=\"lazy\"  class=\"avatar avatar-200 wp-user-avatar wp-user-avatar-200 photo avatar-default\">\n                <\/div>\n                <div class=\"about-author__box-text\">\n                                                        <\/div>\n            <\/div>\n        <\/div>\n    <\/div>\n","protected":false},"author":1394,"featured_media":434486,"comment_status":"closed","ping_status":"closed","template":"","categories":[],"tags":[],"cross-post-tag":[],"acf":[],"_links":{"self":[{"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/rust\/434168"}],"collection":[{"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/rust"}],"about":[{"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/types\/rust"}],"author":[{"embeddable":true,"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/users\/1394"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/comments?post=434168"}],"version-history":[{"count":9,"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/rust\/434168\/revisions"}],"predecessor-version":[{"id":434500,"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/rust\/434168\/revisions\/434500"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/media\/434486"}],"wp:attachment":[{"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/media?parent=434168"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/categories?post=434168"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/tags?post=434168"},{"taxonomy":"cross-post-tag","embeddable":true,"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/cross-post-tag?post=434168"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}