{"id":45048,"date":"2023-03-20T14:12:01","date_gmt":"2023-03-29T21:13:40","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/45048-2\/"},"modified":"2024-04-29T19:47:45","modified_gmt":"2024-04-29T11:47:45","slug":"45048-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/45048-2\/","title":{"rendered":""},"content":{"rendered":"

\u524d\u7f6e\u304d<\/h1>\n

\u3053\u308c\u306fRust\u3092\u5b66\u3073\u305f\u3044\u3051\u3069\u3069\u3046\u3084\u3063\u3066\u52c9\u5f37\u3057\u3088\u3046\u304b\u3068\u3044\u3046\u4eba\u5411\u3051\u306e\u8a18\u4e8b\u3067\u3059\u3002<\/p>\n

\u81ea\u5206\u306e\u7d4c\u9a13\u304b\u3089\u3053\u3053\u5148\u306b\u8aad\u3093\u3069\u304d\u3083\u3088\u304b\u3063\u305f\u3068\u304b\u3001\u3053\u3053\u8aad\u3093\u3069\u3051\u3070\u3082\u3063\u3068\u697d\u3060\u3063\u305f\u3068\u304b\u305d\u3093\u306a\u306e\u3092\u3044\u308d\u3044\u308d\u307e\u3068\u3081\u3066\u3042\u308a\u307e\u3059\u3002\u3082\u3046\u4e00\u5ea6Rust\u3092\u5b66\u3073\u76f4\u3059\u306a\u3089\u3069\u3046\u3059\u308b\u304b\u306a\u30fc\u3001\u3068\u8003\u3048\u306a\u304c\u3089\u66f8\u304d\u307e\u3057\u305f\u3002\u306a\u304a\u5927\u534a\u304c\u82f1\u8a9e\u306e\u8cc7\u6599\u3067\u3059\u3002<\/p>\n

\u82f1\u8a9e\u304b\u30fb\u30fb\u30fb\u3068\u601d\u3063\u305f\u65b9\u306fyuki\u3055\u3093\u306eRust \u3092\u59cb\u3081\u308b\u305f\u3081\u306e\u8cc7\u6599\u96c6\u3082\u3069\u3046\u305e\u3002<\/p>\n

\u5bfe\u8c61\u306fRuby\u3001Python\u306a\u3069\u306e\u9ad8\u30ec\u30d9\u30eb\u8a00\u8a9e\u3092\u3059\u3067\u306b\u7fd2\u5f97\u3057\u3066\u308b\u4eba\u3002<\/p>\n

\u524d\u6e96\u5099<\/h1>\n

Rust\u306e\u4e3b\u306a\u7279\u5fb4\u3092\u77e5\u3063\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002Rust\u306f\u4ed6\u306e\u8a00\u8a9e\u306b\u306a\u3044\u8003\u3048\u65b9\u3084\u7279\u5fb4\u304c\u591a\u3044\u306e\u3067\u5148\u306b\u77e5\u3063\u3066\u304a\u304f\u3068\u826f\u3044\u3067\u3059\u3002\u3068\u308a\u3042\u3048\u305ainto_rust() : screencasts for learning Rust\u3092\u5168\u90e8\u898b\u307e\u3057\u3087\u3046<\/p>\n

\u57fa\u790e\u77e5\u8b58\u306e\u7fd2\u5f97<\/h1>\n

The Book\u3068\u547c\u3070\u308c\u308b\u516c\u5f0f\u306e\u5165\u9580\u66f8\u304c\u3042\u308a\u307e\u3059\u3002\u307e\u305a\u3053\u308c\u3092\u8aad\u307f\u307e\u3057\u3087\u3046\u3002\u65e5\u672c\u8a9e\u8a33\u3082\u3042\u308a\u307e\u3059\u304c\u82f1\u8a9e\u7248\u306e\u307b\u3046\u304c\u7248\u304c\u65b0\u3057\u3044\u3067\u3059\u3002<\/p>\n

\u52a0\u3048\u3066\u5b9f\u8df5Rust\u5165\u9580\u3082\u624b\u5143\u306b\u304a\u3044\u3066\u8aad\u307f\u307e\u3057\u3087\u3046\u3002The Book\u306f\u8a73\u7d30\u306a\u8aac\u660e\u304c\u591a\u3044\u3067\u3059\u304c\u305f\u307e\u306b\u5197\u9577\u306b\u611f\u3058\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u5b9f\u8df5Rust\u306f\u65e5\u672c\u8a9e\u3067\u3059\u3057\u3001\u56f3\u304c\u591a\u304f\u7c21\u6f54\u306b\u304b\u304b\u308c\u3066\u3044\u308b\u306e\u3067\u4e21\u65b9\u4f7f\u3046\u3068\u7406\u89e3\u304c\u6df1\u307e\u308a\u307e\u3059\u3002<\/p>\n

\u3068\u308a\u3042\u3048\u305a\u3053\u306e\u4e8c\u518a\u3092\u4e2d\u5fc3\u306b\u3044\u308d\u3044\u308d\u52c9\u5f37\u3057\u3066\u3044\u304f\u3068\u826f\u3044\u3067\u3059\u3002<\/p>\n

\u305d\u306e\u4ed6\u306e\u53c2\u8003\u66f8\u7c4d<\/h2>\n

\u3053\u308c\u3089\u306b\u52a0\u3048\u3066\u3001Dhghomon\/easy_rust\u3082\u304a\u3059\u3059\u3081\u3067\u3059\u3002<\/p>\n

\u4e0a\u3067\u3042\u3052\u305f\u4e8c\u518a\u3067\u3088\u304f\u308f\u304b\u3089\u306a\u3044\u3068\u3053\u308d\u306f\u3053\u306e\u672c\u3092\u53c2\u7167\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002\u7c21\u5358\u306a\u8a00\u8449\u3068\u308f\u304b\u308a\u3084\u3059\u3044\u4f8b\u3067\u8aac\u660e\u3055\u308c\u3066\u3044\u3066\u53c2\u8003\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

\u3076\u3063\u3061\u3083\u3051\u3053\u306e\u672c\u304b\u3089\u3044\u304d\u306a\u308a\u8aad\u3080\u306e\u3082\u826f\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u305d\u308c\u305e\u308c\u306e\u30c8\u30d4\u30c3\u30af\u306f\u77ed\u3081\u3067\u3001\u96e3\u3057\u3044\u6982\u5ff5(\u30e9\u30a4\u30d5\u30bf\u30a4\u30e0\u306a\u3069)\u306e\u8aac\u660e\u306f\u3053\u306e\u672c\u306e\u307b\u3046\u304c\u3042\u308b\u7a0b\u5ea6\u5272\u308a\u5207\u3063\u3066\u308b\u6c17\u304c\u3057\u307e\u3059\u3002\u304b\u3048\u3063\u3066\u308f\u304b\u308a\u3084\u3059\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n

The Book\u3068\u5b9f\u8df5Rust\u3067\u30ab\u30d0\u30fc\u3057\u304d\u308c\u306a\u3044\u3068\u3053\u308d<\/h1>\n

\u30e9\u30a4\u30d5\u30bf\u30a4\u30e0<\/h2>\n

\u7d50\u69cb\u306a\u9b3c\u9580\u3067\u3059\u3002\u6240\u6709\u95a2\u4fc2\u3001\u30de\u30af\u30ed\u3001\u30e9\u30a4\u30d5\u30bf\u30a4\u30e0\u306f\u3069\u3053\u304b\u306e\u30a2\u30f3\u30b1\u30fc\u30c8\u3067\u3082\u5b66\u7fd2\u8005\u304c\u304b\u306a\u308a\u82e6\u52b4\u3057\u3066\u3044\u308b\u9805\u76ee\u3060\u3068\u304b\u3042\u308a\u307e\u3057\u305f\u3002The Book\u306e\u30e9\u30a4\u30d5\u30bf\u30a4\u30e0\u306e\u9805\u76ee\u3092\u8aad\u3093\u3067\u3082\u3044\u307e\u3044\u3061\u3088\u304f\u308f\u304b\u3089\u306a\u3044\u5834\u5408\u306f\u4ee5\u4e0b\u306e2\u3064\u304c\u53c2\u8003\u306b\u306a\u308a\u307e\u3059<\/p>\n

Rustnomicon\u306eLifetime\u306e\u7ae0\u306f\u66f4\u306b\u7a81\u3063\u8fbc\u3093\u3060\u5185\u5bb9\u304c\u66f8\u3044\u3066\u3042\u308a\u307e\u3059\u3002<\/p>\n

\u62bd\u8c61\u7684\u306a\u77e5\u8b58\u3088\u308a\u5b9f\u4f8b\u304c\u305f\u304f\u3055\u3093\u898b\u305f\u3044\u4eba\u306fLearning Rust With Entirely Too Many Linked Lists\u3092\u8aad\u307f\u307e\u3057\u3087\u3046\u3001LinkedList\u3092Rust\u3067\u5b9f\u88c5\u3057\u3066\u304f\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u3059\u3002\u30e9\u30a4\u30d5\u30bf\u30a4\u30e0\u3060\u3051\u3067\u306a\u304fBox\u3001Rc\u3001Arc\u306a\u3069\u306e\u5b9f\u7528\u4f8b\u3082\u8c4a\u5bcc\u3067\u3059\u3002<\/p>\n

\u30a8\u30e9\u30fc\u51e6\u7406<\/h2>\n

The Book\u306b\u306f\u30a8\u30e9\u30fc\u51e6\u7406\u306e\u7ae0\u304c\u3042\u308a\u307e\u3059\u304c\u3061\u3087\u3063\u3068\u8db3\u308a\u307e\u305b\u3093\u3002<\/p>\n

\u5b9f\u969b\u3053\u3053\u3060\u3051\u8aad\u3093\u3067\u30b3\u30fc\u30c9\u3092\u66f8\u304d\u59cb\u3081\u305f\u3089\u305d\u3053\u3089\u3058\u3085\u3046unwrap()\u3060\u3089\u3051\u306b\u306a\u308a\u307e\u3057\u305f\u3002
\n(\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3067\u3082unwrap()\u306f\u3042\u307e\u308a\u3064\u304b\u3063\u3066\u304f\u308c\u308b\u306a\u3068\u3042\u308a\u307e\u3059)<\/p>\n

?\u30aa\u30da\u30ec\u30fc\u30bf\u30fc\u3092\u4f7f\u3063\u305f\u307b\u3046\u304c\u3044\u3044\u306e\u306f\u308f\u304b\u308b\u3093\u3060\u3051\u3069\u3069\u3046\u3059\u308a\u3083\u3044\u3044\u306e?<\/p>\n

Result\u3092\u8fd4\u3059\u3063\u3066\u3069\u3046\u3059\u3093\u306e?<\/p>\n

\u3068\u601d\u3063\u305f\u3089\u3001Error Handling in Rust\u3092\u8aad\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n

(\u3053\u306e\u8a18\u4e8b\u306f\u4ee5\u524dThe Book\u306e\u30a8\u30e9\u30fc\u51e6\u7406\u306e\u7ae0\u306b\u63b2\u8f09\u3055\u308c\u3066\u3044\u305f\u3088\u3046\u3067\u3059\u3001\u4f55\u304c\u4f1a\u3063\u305f\u304b\u77e5\u3089\u306a\u3044\u304c\u6700\u65b0\u7248\u3067\u306f\u6d88\u3048\u3066\u3044\u307e\u3059\u3002\u65e5\u4ed8\u306f\u53e4\u3044\u8a18\u4e8b\u3067\u3059\u304c\u3001Rust2018\u306b\u5408\u308f\u305b\u3066\u5185\u5bb9\u304c\u66f4\u65b0\u3055\u308c\u3066\u3044\u307e\u3059\u3002)<\/p>\n

Box\u3068\u304bArc\u3068\u304bRc\u3063\u3066\u306a\u306b\u3055?<\/h2>\n

The Book\u3084\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u8aad\u3080\u3068\u3001Box\u306f\u30ea\u30ab\u30fc\u30b7\u30d6\u306aStruct\u3092\u5b9a\u7fa9\u3059\u308b\u3068\u304d\u306b\u4f7f\u3063\u3066\u3001\u3068\u304bRc\u3060\u3068\u6240\u6709\u8005\u3092\u5897\u3084\u3059\u3053\u3068\u304c\u3067\u304d\u3066\u3001\u3068\u304b\u3044\u308d\u3044\u308d\u8aac\u660e\u304c\u3042\u308a\u307e\u3059\u3002\u3044\u307e\u3044\u3061\u3088\u304f\u308f\u304b\u308a\u307e\u305b\u3093\u3001\u5b9f\u4f8b\u304c\u307b\u3057\u3044\u3002<\/p>\n

Learning Rust With Entirely Too Many Linked Lists\u304c\u5b9f\u4f8b\u3092\u4ea4\u3048\u3066\u8a73\u3057\u304f\u66f8\u3044\u3066\u3042\u308a\u307e\u3059\u3002<\/p>\n

\u30de\u30af\u30ed<\/h2>\n

\u3053\u3053\u3082\u9b3c\u9580\u3002<\/p>\n

\u307e\u305a\u306f\u03baeen\u3055\u3093\u306e\u30de\u30af\u30ed\u30af\u30e9\u30d6 Rust\u652f\u90e8\u304c\u53c2\u8003\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n

\u30de\u30af\u30ed\u3067\u8a18\u8ff0\u91cf\u3092\u6e1b\u3089\u3057\u3066\u53ef\u8aad\u6027\u3092\u9ad8\u3081\u308b\u8a71\u3082\u5b9f\u4f8b\u304c\u8a73\u7d30\u3067\u5927\u5909\u308f\u304b\u308a\u3084\u3059\u3044\u3067\u3059\u3002<\/p>\n

\u6700\u8fd1\u8ffd\u52a0\u3055\u308c\u305fProcMacro\u306b\u3064\u3044\u3066\u306f\u79c1\u306e\u8a18\u4e8b\u3067\u6050\u7e2e\u3067\u3059\u304cRust ProcMacro 101\u3092\u3069\u3046\u305e\u3002<\/p>\n

\u5b9f\u4f8b\u304c\u305f\u304f\u3055\u3093\u898b\u305f\u3044\u3068\u3044\u3046\u4eba\u306f\u3001<\/p>\n

 <\/p>\n

\u3084\u3061\u3087\u3063\u3068\u96e3\u3057\u3044\u3067\u3059\u304c<\/p>\n

 <\/p>\n

\u304c\u826f\u3044\u3067\u3059\u3002proc-macro-workshop\u306f\u554f\u984c\u306e\u7b54\u3048\u304c\u3042\u308a\u307e\u305b\u3093\u304c\u3001<\/p>\n

https:\/\/github.com\/ELD\/proc-macro-workshop
\nhttps:\/\/github.com\/jonhoo\/proc-macro-workshop
\nhttps:\/\/github.com\/gobanos\/proc-macro-workshop<\/p>\n

\u306e\u3088\u3046\u306b\u30d5\u30a9\u30fc\u30af\u5148\u3092\u898b\u308b\u3068\u7b54\u3048\u3092\u66f8\u3044\u3066\u308b\u4eba\u304c\u305f\u304f\u3055\u3093\u3044\u307e\u3059\u3002<\/p>\n

\u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc\u306b\u6163\u308c\u308b<\/h2>\n

Rust\u3092\u66f8\u3044\u3066\u308b\u3068\u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u306e\u30a8\u30e9\u30fc\u304c\u591a\u304f\u3067\u308b\u306e\u3067\u5fc3\u304c\u6298\u308c\u308b\u3001\u3068\u3044\u3046\u58f0\u3082\u3042\u308a\u307e\u3059\u3002
\n\u305d\u308c\u306fRust\u306e\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u3068\u3066\u3082\u7d30\u304b\u3044\u304b\u3089\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002
\n\u306a\u306e\u3067\u30011\u3064\u30a8\u30e9\u30fc\u304c\u51fa\u3066\u3082\u3082\u306e\u3059\u3054\u3044\u9593\u9055\u3044\u3092\u3057\u3066\u3044\u308b\u3088\u3046\u306b\u898b\u3048\u307e\u3059\u3002<\/p>\n

\u4f8b\u3048\u3070\u3001<\/p>\n

fn<\/span> hi<\/span>(<\/span>name<\/span>:<\/span> String<\/span>)<\/span> -><\/span> i64<\/span> {<\/span>\r\n    format!<\/span>(<\/span>\"Hi {n}!!\"<\/span>,<\/span> n<\/span> =<\/span> name<\/span>)<\/span>\r\n}<\/span>\r\n\r\nfn<\/span> main<\/span>()<\/span> {<\/span>\r\n    println!<\/span>(<\/span>\"{}\"<\/span>,<\/span> hi<\/span>(<\/span>\"Joe\"<\/span>.to_string<\/span>()))<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u3068\u30ea\u30bf\u30fc\u30f3\u30bf\u30a4\u30d7\u3092\u308f\u3056\u3068\u9593\u9055\u3048\u3066\u66f8\u304d\u307e\u3059\u3002\u305d\u3046\u3059\u308b\u3068\u30fb\u30fb\u30fb<\/p>\n
Compiling<\/span> playground<\/span> v0<\/span>.0.1<\/span> (<\/span>\/<\/span>playground<\/span>)<\/span>\r\nerror<\/span>[<\/span>E0308<\/span>]:<\/span> mismatched<\/span> types<\/span>\r\n -<\/span>-><\/span> src<\/span>\/<\/span>main<\/span>.rs<\/span>:<\/span>2<\/span>:<\/span>5<\/span>\r\n  |<\/span>\r\n1<\/span> |<\/span> fn<\/span> hi<\/span>(<\/span>name<\/span>:<\/span> String<\/span>)<\/span> -><\/span> i64<\/span> {<\/span>\r\n  |<\/span>                        ---<\/span> expected<\/span> `<\/span>i64<\/span>`<\/span> because<\/span> of<\/span> return<\/span> type<\/span>\r\n2<\/span> |<\/span>     format!<\/span>(<\/span>\"Hi {n}!!\"<\/span>,<\/span> n<\/span> =<\/span> name<\/span>)<\/span>\r\n  |<\/span>     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^<\/span> expected<\/span> `<\/span>i64<\/span>`<\/span>,<\/span> found<\/span> struct<\/span> `<\/span>std<\/span>::<\/span>string<\/span>::<\/span>String<\/span>`<\/span>\r\n  |<\/span>\r\n  =<\/span> note<\/span>:<\/span> this<\/span> error<\/span> originates<\/span> in<\/span> a<\/span> macro<\/span> outside<\/span> of<\/span> the<\/span> current<\/span> crate<\/span> (<\/span>in<\/span> Nightly<\/span> builds<\/span>,<\/span> run<\/span> with<\/span> -<\/span>Z<\/span> external<\/span>-<\/span>macro<\/span>-<\/span>backtrace<\/span> for<\/span> more<\/span> info<\/span>)<\/span>\r\n\r\nerror<\/span>:<\/span> aborting<\/span> due<\/span> to<\/span> previous<\/span> error<\/span>\r\n\r\nFor<\/span> more<\/span> information<\/span> about<\/span> this<\/span> error<\/span>,<\/span> try<\/span> `<\/span>rustc<\/span> --<\/span>explain<\/span> E0308<\/span>`<\/span>.\r\nerror<\/span>:<\/span> could<\/span> not<\/span> compile<\/span> `<\/span>playground<\/span>`<\/span>.\r\n\r\nTo<\/span> learn<\/span> more<\/span>,<\/span> run<\/span> the<\/span> command<\/span> again<\/span> with<\/span> --<\/span>verbose<\/span>.<\/span>\r\n<\/code><\/pre>\n
\u3069\u3063\u3055\u308a\u3002
\n\u91cf\u3060\u3051\u898b\u308b\u3068\u3082\u306e\u3059\u3054\u3044\u6012\u308a\u3088\u3046\u3067\u3059\u306d\u3002
\n\u3067\u3082\u3088\u304f\u898b\u308b\u3068\u300ci64\u3092\u8fd4\u3059\u3079\u304d\u306a\u306e\u306b\u3001String\u3092\u8fd4\u3057\u3066\u307e\u3059\u300d\u3068\u8a00\u3063\u3066\u3044\u307e\u3059\u3002
\n\u52a0\u3048\u3066\u3069\u3053\u3067\u5408\u81f4\u3057\u306a\u3044\u5024\u3092\u8fd4\u3057\u3066\u308b\u304b\u307e\u3067\u6307\u6458\u3057\u3066\u3044\u307e\u3059\u3002
\n\u3068\u3066\u3082\u89aa\u5207\u3067\u3059\u3002<\/p>\n
\u7591\u554f\u306e\u89e3\u6c7a<\/h1>\n
\u3044\u304b\u3093\u3044\u304b\u3093\u3068\u308f\u304b\u3063\u3066\u3066\u3082\u3001\u3069\u3046\u3057\u3066\u3082stackoverflow-driven\u306a\u958b\u767a\u306b\u306a\u3063\u3061\u3083\u3044\u307e\u3059\u3088\u306d\u3002<\/p>\n
\u3059\u3079\u3066\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u304c\u3088\u304f\u304b\u3051\u3066\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n
\u5b9f\u884c\u7d50\u679c\u3060\u3051\u77e5\u308a\u305f\u3044\u306e\u306b\u3001\u5ef6\u3005\u3068\u62bd\u8c61\u7684\u306a\u8aac\u660e\u304c\u66f8\u3044\u3066\u3042\u308b\u3060\u3051\u3001\u3068\u304b\u3001\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u304c\u3044\u304d\u306a\u308a\u8cbc\u3089\u308c\u3066\u308b\u3060\u3051\u3001\u3068\u304b\u3001\u5b9f\u884c\u7d50\u679c\u307f\u3066\u3082\u3044\u307e\u3044\u3061\u3088\u304f\u308f\u304b\u3089\u3093\u3001\u3068\u304b\u30fb\u30fb\u30fb<\/p>\n
Rust\u306f\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u304c\u3068\u3066\u3082\u826f\u304f\u66f8\u3051\u3066\u307e\u3059<\/h2>\n
Rust\u306f\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u304c\u7c21\u6f54\u306b\u3001\u304b\u3064\u308f\u304b\u308a\u3084\u3059\u304f\u66f8\u304b\u308c\u3066\u3044\u307e\u3059\u3002
\n\u305f\u3044\u3066\u3044\u8aac\u660e\u306b\u52a0\u3048\u3066\u3001<\/p>\n
let<\/span> a<\/span> =<\/span> [<\/span>1<\/span>,<\/span> 2<\/span>,<\/span> 3<\/span>];<\/span>\r\n\r\nlet<\/span> doubled<\/span>:<\/span> Vec<\/span><<\/span>i32<\/span>><\/span> =<\/span> a<\/span>.iter<\/span>()<\/span>\r\n                         .map<\/span>(|<\/span>&<\/span>x<\/span>|<\/span> x<\/span> *<\/span> 2<\/span>)<\/span>\r\n                         .collect<\/span>();<\/span>\r\n\r\nassert_eq!<\/span>(<\/span>vec!<\/span>[<\/span>2<\/span>,<\/span> 4<\/span>,<\/span> 6<\/span>],<\/span> doubled<\/span>);<\/span>\r\n<\/code><\/pre>\n
\u306e\u3088\u3046\u306b\u30c6\u30b9\u30c8\u30b3\u30fc\u30c9\u307e\u3067\u8f09\u3063\u3066\u3044\u308b\u3053\u3068\u304c\u3057\u3070\u3057\u3070\u3002\u691c\u7d22\u3082\u3068\u3066\u3082\u30b9\u30d4\u30fc\u30c7\u30a3\u3067\u3059\u3002<\/p>\n
\u30b7\u30f3\u30bf\u30c3\u30af\u30b9\u3092\u5fd8\u308c\u3066\u3057\u307e\u3063\u305f\u3089\u30c1\u30fc\u30c8\u30b7\u30fc\u30c8\u3082\u53c2\u7167\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n
stackoverflow\u3067\u306f\u30ab\u30fc\u30d3\u30a3\u306e\u30a2\u30a4\u30b3\u30f3\u3092\u63a2\u3059<\/h2>\n
\u305d\u308c\u3067\u3082\u308f\u304b\u3089\u306a\u3044\u3068\u304d\u306fstackoverflow\u3002\u3044\u3044\u8a18\u4e8b\u3082\u3042\u308b\u306e\u3067\u3059\u304c\u3001\u5168\u90e8\u304c\u5168\u90e8\u3044\u3044\u8a18\u4e8b\u3067\u306f\u306a\u3044\u3067\u3059\u3057\u3001\u305f\u307e\u306b\u52d5\u304b\u306a\u3044\u30b3\u30fc\u30c9\u306b\u51fa\u304f\u308f\u3059\u3053\u3068\u3082\u3002\u3061\u3083\u3093\u3068\u3057\u305f\u8a18\u4e8b\u304b\u3069\u3046\u304b\u898b\u5206\u3051\u308b\u306b\u306f\u30fb\u30fb\u30fb?<\/p>\n
\u3068\u308a\u3042\u3048\u305aShepmaster\u3055\u3093\u306e\u30ab\u30fc\u30d3\u30a3\u306e\u30a2\u30a4\u30b3\u30f3\u3092\u63a2\u3057\u307e\u3057\u3087\u3046\u3002stackoverflow\u4e0a\u3067\u3082\u306e\u3059\u3054\u304f\u30a2\u30af\u30c6\u30a3\u30d6\u306bRust\u306e\u8cea\u554f\u3092\u89e3\u6c7a\u3057\u3066\u308b\u65b9\u3067\u3059\u3002\u7d4c\u6b74\u3092\u898b\u308b\u3068\u3001Rust\u5c02\u9580\u306e\u30b3\u30f3\u30b5\u30eb\u3092\u3084\u3063\u3066\u3044\u308b\u3088\u3046\u3067\u3059\u3002<\/p>\n
\u305d\u308c\u3067\u3082\u308f\u304b\u3089\u3093\u3001\u8ab0\u304b\u6559\u3048\u3066!<\/h2>\n
rust-jp\u3068\u3044\u3046slack\u30c1\u30e3\u30f3\u30cd\u30eb\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
\u304a\u307e\u3051<\/h1>\n
\u672a\u8aad\u3060\u3051\u3069\u9762\u767d\u305d\u3046\u306a\u3082\u306e<\/p>\n
    \n
  • \n
      Writing an OS in Rust<\/ul>\n<\/li>\n<\/ul>\n
       <\/p>\n
        \n
      • \n
          Learn Rust the Dangerous Way<\/ul>\n<\/li>\n<\/ul>\n
           <\/p>\n
            \n
          • \n
              Rust\u306e Arc \u3092\u8aad\u3080<\/ul>\n<\/li>\n<\/ul>\n
               <\/p>\n
                \n
              • \n
                  Implementing ArrayVec Using Const Generics<\/ul>\n<\/li>\n<\/ul>\n
                   <\/p>\n
                    syn\u3068\u304banyhow\u3068\u304bthiserror\u306e\u4f5c\u8005\u306edtolnay\u3055\u3093\u306e\u66f8\u3044\u305f\u7279\u6b8a\u306a\u7528\u6cd5\u306e\u30b3\u30fc\u30c9\u4e8b\u4f8b\u96c6<\/ul>\n","protected":false},"excerpt":{"rendered":"
                    \u524d\u7f6e\u304d \u3053\u308c\u306fRust\u3092\u5b66\u3073\u305f\u3044\u3051\u3069\u3069\u3046\u3084\u3063\u3066\u52c9\u5f37\u3057\u3088\u3046\u304b\u3068\u3044\u3046\u4eba\u5411\u3051\u306e\u8a18\u4e8b\u3067\u3059\u3002 \u81ea\u5206\u306e\u7d4c\u9a13\u304b\u3089\u3053\u3053\u5148\u306b\u8aad\u3093 […]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-45048","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n- 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\/45048-2\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:description\" content=\"\u524d\u7f6e\u304d \u3053\u308c\u306fRust\u3092\u5b66\u3073\u305f\u3044\u3051\u3069\u3069\u3046\u3084\u3063\u3066\u52c9\u5f37\u3057\u3088\u3046\u304b\u3068\u3044\u3046\u4eba\u5411\u3051\u306e\u8a18\u4e8b\u3067\u3059\u3002 \u81ea\u5206\u306e\u7d4c\u9a13\u304b\u3089\u3053\u3053\u5148\u306b\u8aad\u3093 […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/45048-2\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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