{"id":45614,"date":"2023-04-08T22:19:07","date_gmt":"2023-09-03T10:14:21","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/45614-2\/"},"modified":"2024-04-29T22:35:39","modified_gmt":"2024-04-29T14:35:39","slug":"45614-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/45614-2\/","title":{"rendered":""},"content":{"rendered":"

\u306f\u3058\u3081\u306b<\/h2>\n

\u8da3\u5473\u3067\u3084\u3063\u3066\u308bRust\u7b2c\u4e8c\u5f3e\uff01
\n\u524d\u56de\u306e\u8a18\u4e8b\u306b\u66f8\u3053\u3046\u3068\u601d\u3063\u305f\u3051\u3069\u9577\u304f\u306a\u308a\u305d\u3046\u3060\u3063\u305f\u306e\u3067\u3001\u3053\u3053\u3067\u307e\u3068\u3081\u307e\u3059\u3002<\/p>\n

Rust\u306f\u30ac\u30fc\u30d9\u30b8\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u306a\u3057\u306b\u30e1\u30e2\u30ea\u306e\u5b89\u5168\u6027\u3092\u4fdd\u969c\u3057\u3066\u3044\u307e\u3059\u3002
\n\u305d\u306e\u624b\u6cd5\u300c\u6240\u6709\u6a29\u30b7\u30b9\u30c6\u30e0\u300d\u306b\u3064\u3044\u3066\u306e\u8aac\u660e\u3068\u3001
\n\u524d\u56de\u7d39\u4ecb\u3057\u305f\u30b3\u30fc\u30c9\u3067\u3001\u6240\u6709\u6a29\u30b7\u30b9\u30c6\u30e0\u306e\u5236\u5fa1\u306b\u5bfe\u51e6\u3057\u305f\u7b87\u6240\u3092\u7d39\u4ecb\u3057\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n

\u50d5\u306a\u308a\u306e\u89e3\u91c8\u3067\u304a\u8a71\u3057\u3059\u308b\u3053\u3068\u306b\u306a\u308b\u306e\u3067\u3001
\n\u300c\u4f55\u8a00\u3063\u3066\u3093\u3060\u3001\u3066\u3081\u3048\uff01\uff1f\u300d\u3068\u601d\u3063\u305f\u969b\u306b\u306f\u30b3\u30e1\u30f3\u30c8\u3088\u308d\u3057\u304f\u304a\u9858\u3044\u3057\u307e\u3059\u3002<\/p>\n

\u6240\u6709\u6a29\u30b7\u30b9\u30c6\u30e0\u3068\u306f<\/h2>\n

C++\u3092\u3054\u5b58\u77e5\u306e\u65b9\u306f\u30b9\u30de\u30fc\u30c8\u30dd\u30a4\u30f3\u30bf\u3068\u30e0\u30fc\u30d6\u30bb\u30de\u30f3\u30c6\u30a3\u30af\u30b9\u7684\u306a\u8a71\u3060\u3068\u3054\u7406\u89e3\u3044\u305f\u3060\u3051\u308c\u3070\u5e78\u3044\u3067\u3059\u3002
\n\u306a\u3093\u305e\u305d\u308c\uff1f\u3063\u3066\u65b9\u306b\u306f\u4ee5\u4e0b\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u8aac\u660e\u81f4\u3057\u307e\u3059\u3002<\/p>\n

fn<\/span> main<\/span>(){<\/span>\r\n    let<\/span> a<\/span> =<\/span> String<\/span>::<\/span>from<\/span>(<\/span>\"aaa\"<\/span>);<\/span>\r\n    let<\/span> b<\/span> =<\/span> xxx<\/span>(<\/span>a<\/span>);<\/span>\r\n\r\n    println!<\/span>(<\/span>\"{}\"<\/span>,<\/span> a<\/span>);<\/span>\r\n    println!<\/span>(<\/span>\"{}\"<\/span>,<\/span> b<\/span>);<\/span>\r\n}<\/span>\r\n\r\nfn<\/span> xxx<\/span>(<\/span>x<\/span>:<\/span> String<\/span>)<\/span> -><\/span> String<\/span>{<\/span>\r\n    return<\/span> x<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u5909\u6570a\u306b\u306f”aaa”\u3001\u5909\u6570b\u306b\u306fa\u3092\u5f15\u6570\u306b\u3057\u305f\u95a2\u6570xxx\u306e\u623b\u308a\u5024\u3092\u683c\u7d0d\u3057\u3066\u3044\u307e\u3059\u3002
\n\u95a2\u6570xxx\u306f\u53d7\u3051\u53d6\u3063\u305f\u6587\u5b57\u5217\u3092\u8fd4\u3059\u3060\u3051\u306e\u5358\u7d14\u306a\u3082\u306e\u3067\u3059\u3002
\n\u305d\u3057\u3066\u6700\u7d42\u7684\u306b\u30b3\u30f3\u30bd\u30fc\u30eb\u306b”aaa”\u304c2\u884c\u51fa\u529b\u3055\u308c\u308b\u60f3\u5b9a\u3067\u3059\u3002<\/p>\n
\u4f55\u306e\u5909\u54f2\u3082\u306a\u3044\u30b7\u30f3\u30d7\u30eb\u306a\u30b3\u30fc\u30c9\u3067\u3059\u306d\u3002<\/p>\n
\u304c\u3001\u3057\u304b\u3057\uff01\uff01\uff01<\/p>\n
\u3053\u3044\u3064\u3001\u30b3\u30f3\u30d1\u30a4\u30eb\u3059\u3089\u901a\u308a\u307e\u305b\u3093\u3002<\/p>\n
error<\/span>[<\/span>E0382<\/span>]:<\/span> use<\/span> of<\/span> moved<\/span> value<\/span>:<\/span> `<\/span>a<\/span>`<\/span>\r\n -<\/span>-><\/span> Main<\/span>.exs<\/span>:<\/span>7<\/span>:<\/span>20<\/span>\r\n  |<\/span>\r\n5<\/span> |<\/span>     let<\/span> b<\/span> =<\/span> xxx<\/span>(<\/span>a<\/span>);<\/span>\r\n  |<\/span>                 -<\/span> value<\/span> moved<\/span> here<\/span>\r\n6<\/span> |<\/span> \r\n7<\/span> |<\/span>     println!<\/span>(<\/span>\"{}\"<\/span>,<\/span> a<\/span>);<\/span>\r\n  |<\/span>                    ^<\/span> value<\/span> used<\/span> here<\/span> after<\/span> move<\/span>\r\n  |<\/span>\r\n  =<\/span> note<\/span>:<\/span> move<\/span> occurs<\/span> because<\/span> `<\/span>a<\/span>`<\/span> has<\/span> type<\/span> `<\/span>std<\/span>::<\/span>string<\/span>::<\/span>String<\/span>`<\/span>,<\/span> which<\/span> does<\/span> not<\/span> implement<\/span> the<\/span> `<\/span>Copy<\/span>`<\/span> trait<\/span>\r\n\r\nerror<\/span>:<\/span> aborting<\/span> due<\/span> to<\/span> previous<\/span> error<\/span>\r\n<\/code><\/pre>\n
\u30ad\u30fc\u30ef\u30fc\u30c9\u306f\u305a\u3070\u308a\u300cuse of moved value: `a`\uff08\u30e0\u30fc\u30d6\u3055\u308c\u305f\u5909\u6570a\u3092\u4f7f\u3063\u3066\u3044\u307e\u3059\uff09\u300d
\n\u4e00\u4f53\u3069\u3046\u3044\u3046\u3053\u3068\u306a\u306e\u3067\u3057\u3087\u3046\u304b\uff1f<\/p>\n
\u6240\u6709\u6a29\u3068\u3044\u3046\u6982\u5ff5<\/h3>\n
\u521d\u3081\u3066\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3092\u5b66\u3076\u306b\u969b\u3057\u3066\u3001
\n\u5909\u6570\u306f\u300c\u5024\u3092\u5165\u308c\u3066\u304a\u304f\u7bb1\u300d\u3068\u8aac\u660e\u3055\u308c\u308b\u3053\u3068\u304c\u591a\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n
\u6240\u6709\u6a29\u30b7\u30b9\u30c6\u30e0\u306b\u3064\u3044\u3066\u8003\u3048\u308b\u6642\u3001
\n\u5024\u306e\u5165\u3063\u305f\u300c\u7bb1\u300d\u304c\u3042\u308a\u3001
\n\u305d\u306e\u7bb1\u306e\u201d\u6240\u6709\u6a29\u201d\u3092\u6301\u3063\u3066\u3044\u308b\u300c\u5909\u6570\u300d\u3068\u3044\u3046\u4eba\u7269\u304c\u3044\u308b\u3068\u4eee\u5b9a\u3059\u308b\u3068\u7406\u89e3\u3057\u3084\u3059\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n
\u4e0a\u8a18\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3092\u6587\u7ae0\u3067\u66f8\u304f\u3068\u3053\u3093\u306a\u611f\u3058\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
\u30fb\u5909\u6570a\u3055\u3093\u306f\u3001”aaa”\u306e\u5165\u3063\u305f\u7bb1\u3092\u6240\u6709\u3057\u3066\u3044\u307e\u3059\u3002
\n\u30fb\u5909\u6570b\u3055\u3093\u306f\u3001a\u3055\u3093\u306e\u6301\u3063\u3066\u3044\u308b\u7bb1\u3092\u95a2\u6570xxx\u3055\u3093\u306b\u6e21\u3057\u307e\u3057\u305f\u3002
\n\u30fbb\u3055\u3093\u306f\u3001\u95a2\u6570xxx\u3055\u3093\u304c\u3054\u306b\u3087\u3054\u306b\u3087\u3057\u305f\u7bb1\u3092\u53d7\u3051\u53d6\u308a\u307e\u3057\u305f\u3002
\n\u30fba\u3055\u3093\u3001\u7bb1\u306e\u4e2d\u8eab\u3092\u898b\u305b\u3066\u304f\u3060\u3055\u3044\u3002
\n\u30fbb\u3055\u3093\u3001\u7bb1\u306e\u4e2d\u8eab\u3092\u898b\u305b\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n
\u306a\u305c\u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc\u304c\u51fa\u305f\u304b\u5206\u304b\u308a\u307e\u3057\u305f\u306d\uff1f
\na\u3055\u3093\u306f\u5e8f\u76e4\u3067b\u3055\u3093\u306b\u81ea\u5206\u306e\u7bb1\u3092\u6e21\u3057\u3066\u3044\u307e\u3059\uff08\u6240\u6709\u6a29\u304c\u30e0\u30fc\u30d6\u3055\u308c\u305f\uff09\u3002
\n\u3082\u3046\u7bb1\u306a\u3093\u3066\u6301\u3063\u3066\u3044\u306a\u3044\u306e\u306b\u3001a\u3055\u3093\u306b\u306f\u300c\u7bb1\u306e\u4e2d\u8eab\u3092\u898b\u305b\u308d\u300d\u3068\u3044\u3046\u547d\u4ee4\u304c\u51fa\u307e\u3059\u3002<\/p>\n
Rust\u3067\u306f\u3053\u306e\u3088\u3046\u306b\u5024\u305d\u306e\u3082\u306e\u3092\u6e21\u3059\uff08\u30b3\u30d4\u30fc\uff09\u306e\u3067\u306f\u306a\u304f\u3001
\n\u5024\u306e\u6240\u6709\u6a29\u3092\u6e21\u3059\uff08\u30e0\u30fc\u30d6\uff09\u306e\u304c\u30c7\u30d5\u30a9\u30eb\u30c8\u306b\u306a\u3063\u3066\u304a\u308a\u307e\u3059\u3002<\/p>\n
\u6b63\u3057\u304f\u5024\u306e\u3084\u308a\u3068\u308a\u3092\u3067\u304d\u3066\u3044\u308b\u304b\uff1f
\n\u305d\u308c\u3092\u30c1\u30a7\u30c3\u30af\u3059\u308b\u6a5f\u69cb\u304c\u6240\u6709\u6a29\u30b7\u30b9\u30c6\u30e0\u306a\u306e\u3067\u3059\u3002<\/p>\n
\u3061\u306a\u307f\u306b\u30c7\u30fc\u30bf\u578b\u304c\u30b3\u30d4\u30fc\u30c8\u30ec\u30a4\u30c8\u3092\u5b9f\u88c5\u3057\u3066\u3044\u308c\u3070\u3001
\n\u898b\u6163\u308c\u305f\u5024\u306e\u4ee3\u5165\u3092\u884c\u306a\u3046\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u305d\u306e\u3042\u305f\u308a\u306e\u8a73\u3057\u3044\u8a71\u306f\u4ee5\u4e0b\u306e\u30c1\u30e5\u30fc\u30ea\u30a2\u30eb\u306b\u3066
\nhttps:\/\/rust-lang-ja.github.io\/the-rust-programming-language-ja\/1.6\/book\/ownership.html<\/p>\n
C++\u306e\u5371\u967a\u306a\u30b3\u30fc\u30c9<\/h3>\n
\u4f59\u8ac7\u3067\u3059\u304c\u3001\u5148\u307b\u3069\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3092C++\u3067\u66f8\u304f\u3068\u3053\u3093\u306a\u611f\u3058\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
#include <iostream>\r\n#include <string>\r\n<\/span>\r\nusing<\/span> namespace<\/span> std<\/span>;<\/span>\r\n\r\nstring<\/span> xxx<\/span>(<\/span>string<\/span>*<\/span> x<\/span>){<\/span>\r\n    return<\/span> *<\/span>x<\/span>;<\/span>\r\n}<\/span>\r\n\r\nint<\/span> main<\/span>(<\/span>void<\/span>)<\/span>\r\n{<\/span>\r\n    string<\/span>*<\/span> a<\/span> =<\/span> new<\/span> string<\/span>(<\/span>\"aaa\"<\/span>);<\/span>\r\n    string<\/span>*<\/span> b<\/span> =<\/span> new<\/span> string<\/span>(<\/span>xxx<\/span>(<\/span>move<\/span>(<\/span>a<\/span>)));<\/span>\r\n\r\n    cout<\/span> <<<\/span> *<\/span>a<\/span> <<<\/span> endl<\/span>;<\/span>\r\n    cout<\/span> <<<\/span> *<\/span>b<\/span> <<<\/span> endl<\/span>;<\/span>\r\n\r\n    return<\/span> 0<\/span>;<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u95a2\u6570xxx\u3092\u547c\u3073\u51fa\u3059\u7b87\u6240\u306f\u3001\u5024\u304c\u30e0\u30fc\u30d6\u3055\u308c\u308b\u3088\u3046move()\u3092\u4f7f\u7528\u3057\u307e\u3057\u305f\u3002
\n\u6319\u52d5\u306fRust\u306e\u30b5\u30f3\u30d7\u30eb\u3068\u540c\u3058\u3067\u3059\u3002<\/p>\n
\u5f53\u7136\u30b3\u30f3\u30d1\u30a4\u30eb\u306f\u901a\u3089\u306a\u3044\u3001\u3001\u3001\u304b\u3068\u601d\u3044\u304d\u3084<\/p>\n
\u30b3\u30f3\u30d1\u30a4\u30eb\u3067\u304d\u307e\u3059\u3002
\n\u305d\u3057\u3066\u5b9f\u884c\u3059\u308b\u3068\u843d\u3061\u307e\u3059\u3002
\n\u6050\u308d\u3057\u3044\u3067\u3059\u3002<\/p>\n
\u3053\u3046\u3044\u3046\u30df\u30b9\u3092\u4e8b\u524d\u306b\u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u306b\u691c\u51fa\u3067\u304d\u308b\u306e\u3067\u3001
\n\u6240\u6709\u6a29\u30b7\u30b9\u30c6\u30e0\u3001\u3048\u3089\u3044\uff01<\/p>\n
\u3061\u306a\u307f\u306b\u4e0a\u8a18\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3001
\nstring*\u3067\u306f\u306a\u304funique_ptr\u3092\u4f7f\u3048\u3070\u3001Rust\u3068\u540c\u69d8\u306e\u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u307e\u3059\u3002<\/p>\n
\u8aa4\u89e3\u3092\u6050\u308c\u305a\u306b\u8a00\u3046\u306a\u3089\u3070\u3001Rust\u306f\u6240\u6709\u6a29\u30b7\u30b9\u30c6\u30e0\u306b\u3088\u3063\u3066\u3001
\nC++\u306e\u30b9\u30de\u30fc\u30c8\u30dd\u30a4\u30f3\u30bf\u3092\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u4f7f\u7528\u3057\u3066\u3044\u308b\u306e\u3068\u540c\u69d8\u306e\u632f\u308b\u821e\u3044\u3092\u3057\u3066\u3044\u308b\u3068\u3044\u3046\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
unique_ptr\u304c\u3042\u308b\u3093\u306a\u3089shared_ptr\u3082\u3042\u308b\u3093\u3058\u3083\u306d\uff1f
\n\u305d\u306e\u901a\u308a\u3067\u3059\u3002
\n\u6240\u6709\u6a29\u3092\u6e21\u3059\u306e\u3067\u306f\u306a\u304f\u3001\u8cb8\u3057\u51fa\u3059\u300c\u501f\u7528\u300d\u3068\u3044\u3046\u6a5f\u80fd\u304c
\n\u6240\u6709\u6a29\u30b7\u30b9\u30c6\u30e0\u306b\u306f\u5b58\u5728\u3057\u307e\u3059\u3002<\/p>\n
\u305d\u306e\u4f8b\u304c\u524d\u56de\u6295\u7a3f\u3057\u305f\u30b3\u30fc\u30c9\u306b\u3042\u308b\u306e\u3067\u3001\u305d\u308c\u3092\u3082\u3068\u306b\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n
\u501f\u7528\uff5e\u5024\u306e\u53c2\u7167<\/h2>\n
\u501f\u7528\u306b\u3064\u3044\u3066\u306e\u8a73\u3057\u3044\u8a71\u306f\u4e0b\u8a18\u30ea\u30f3\u30af\u3092\u3054\u53c2\u7167\u304f\u3060\u3055\u3044\u3002
\nhttps:\/\/rust-lang-ja.github.io\/the-rust-programming-language-ja\/1.6\/book\/references-and-borrowing.html<\/p>\n
\u30ea\u30f3\u30af\u5148\u304b\u3089\u306e\u5f15\u7528\u306b\u306a\u308a\u307e\u3059\u304c\u3001
\nRust\u306e\u501f\u7528\uff08\u53c2\u7167\uff09\u306b\u306f\uff12\u3064\u306e\u30eb\u30fc\u30eb\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
\u30ea\u30bd\u30fc\u30b9\u306b\u5bfe\u3059\u308b1\u3064\u4ee5\u4e0a\u306e\u53c2\u7167\uff08 &T \uff09
\n\u305f\u30601\u3064\u306e\u30df\u30e5\u30fc\u30bf\u30d6\u30eb\u306a\u53c2\u7167\uff08 &mut T \uff09<\/p><\/blockquote>\n
1\u3064\u76ee\u306f\u300c\u5024\u3068\u53c2\u7167\u5143\u306e\u95a2\u4fc2\u306f1:\u591a\u3002\u5024\u306e\u5909\u66f4\u306f\u3067\u304d\u306a\u3044\u300d
\n2\u3064\u76ee\u306f\u300c\u5024\u3068\u53c2\u7167\u5143\u306e\u95a2\u4fc2\u306f1:1\u3002\u5024\u306e\u5909\u66f4\u306f\u53ef\u80fd\u300d<\/p>\n
\u524d\u56de\u6295\u7a3f\u300cRust\u304b\u3089Win32API\u3092\u547c\u3073\u51fa\u3059\u65b9\u6cd5\u300d\u3067\u306f\u4e00\u3064\u76ee\u306e\u65b9\u6cd5\u3092\u63a1\u7528\u3057\u3066\u304a\u308a\u307e\u3059\u3002<\/p>\n
\u307e\u305a\u306f\u8a72\u5f53\u7b87\u6240\u306e\u30b3\u30fc\u30c9\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n
fn<\/span> main<\/span>()<\/span> {<\/span>\r\n    \/\/\u30ed\u30fc\u30ab\u30eb\u306e\u5272\u308a\u5f53\u3066\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u306e\u8cc7\u6e90<\/span>\r\n    let<\/span> local_name<\/span> =<\/span> CString<\/span>::<\/span>new<\/span>(<\/span>\"z:\"<\/span>)<\/span>.unwrap<\/span>();<\/span>\r\n    let<\/span> lpremote_name<\/span> =<\/span> CString<\/span>::<\/span>new<\/span>(<\/span>\"\uff1c\u8cc7\u6e90\u540d or IP\u30a2\u30c9\u30ec\u30b9\uff1e\"<\/span>)<\/span>.unwrap<\/span>();<\/span>\r\n    \/\/\u30d5\u30a1\u30a4\u30eb\u53d6\u5f97\u3092\u884c\u3046\u30c7\u30a3\u30ec\u30af\u30c8\u30ea<\/span>\r\n    let<\/span> dir_path<\/span> =<\/span> String<\/span>::<\/span>from<\/span>(<\/span>\"Z:\/sample\"<\/span>);<\/span>\r\n\r\n    \/\/\u63a5\u7d9a\u306b\u6210\u529f\u3059\u308c\u3070\u3001\u30d5\u30a1\u30a4\u30eb\u60c5\u5831\u53d6\u5f97\u3092\u5b9f\u884c<\/span>\r\n    if<\/span> connect_resource<\/span>(<\/span>&<\/span>local_name<\/span>,<\/span> &<\/span>lpremote_name<\/span>){<\/span>\r\n        get_fileinfo<\/span>(<\/span>dir_path<\/span>);<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
main\u3067\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u63a5\u7d9a\u7528\u95a2\u6570connect_resource()\u306b
\n\u300c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8cc7\u6e90\u540d\u300d\u300c\u30ed\u30fc\u30ab\u30eb\u5272\u308a\u5f53\u3066\u6642\u306e\u30c9\u30e9\u30a4\u30d6\u540d\u300d\u3092
\n“&\u5909\u6570\u540d”\u3067\u6e21\u3057\u3066\u3044\u307e\u3059\u3002
\n\u5909\u6570\u540d\u306e\u982d\u306b&\u3092\u3064\u3051\u308b\u3053\u3068\u3067\u5024\u306e\u6240\u6709\u6a29\u3092\u8cb8\u51fa\uff08\u53c2\u7167\uff09\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u305d\u3082\u305d\u3082\u306a\u305c\u305d\u3093\u306a\u3053\u3068\u3092\u3057\u305f\u304b\u3068\u8a00\u3046\u3068
\nconnect_resource()\u5185\u3067\u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8cc7\u6e90\u306e\u300c\u5207\u65ad\u300d\u3068\u300c\u63a5\u7d9a\u300d\u3092\u884c\u306a\u3063\u3066\u3044\u308b\u304b\u3089\u3067\u3059\u3002<\/p>\n
\u300c\u5207\u65ad\u5148\u300d\u3068\u300c\u63a5\u7d9a\u5148\u300d\u306f\u540c\u3058\u8cc7\u6e90\u3092\u6307\u3059\u3088\u3046\u306b\u3057\u305f\u304b\u3063\u305f\u306e\u3067\u3059\u304c\u3001
\n\u524d\u8ff0\u306e\u6240\u6709\u6a29\u306e\u554f\u984c\u3067\u3001\u5207\u65ad\u7528\u95a2\u6570\u306b\u300c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8cc7\u6e90\u540d\u300d\u3092\u6e21\u3057\u3066\u3057\u307e\u3046\u3068\u3001
\n\u63a5\u7d9a\u306e\u969b\u306b\u300c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8cc7\u6e90\u540d\u300d\u3092\u683c\u7d0d\u3057\u305f\u5909\u6570\u3092\u4f7f\u3048\u306a\u304f\u306a\u3063\u3066\u3057\u307e\u3046\u306e\u3067\u3059\u3002<\/p>\n
\u624b\u3063\u53d6\u308a\u65e9\u304f\u300c\u63a5\u7d9a\u7528\u6587\u5b57\u5217\u300d\u5909\u6570\u3068\u300c\u5207\u65ad\u7528\u6587\u5b57\u5217\u300d\u5909\u6570\u3092\u7528\u610f\u3057\u3066\u3001\u305d\u308c\u305e\u308c\u540c\u3058\u6587\u5b57\u5217\u3092\u683c\u7d0d\u3057\u3066\u3082\u3088\u304b\u3063\u305f\u306e\u3067\u3059\u304c\u3001
\n\u540c\u3058\u5024\u3092\u5165\u308c\u308b\u3079\u304d\u5909\u6570\u304c\uff12\u3064\u3082\u3042\u308b\u3068\u304b\u30b9\u30de\u30fc\u30c8\u3067\u306f\u306a\u3044\u3002
\n\u3058\u3083\u3042\u30e9\u30c3\u30d1\u95a2\u6570\u3068\u3057\u3066connect_resource()\u3092\u4f5c\u6210\u3057\u3001\u5f15\u6570\u306b\u5f53\u8a72\u6587\u5b57\u5217\u3092\u201d\u501f\u7528\u201d\u3059\u308b\u5f62\u3092\u3068\u3063\u305f\u308f\u3051\u3067\u3059\u3002<\/p>\n
\u6700\u5f8c\u306b\u4f59\u8ac7<\/h2>\n
\u3053\u306e\u8a18\u4e8b\u4f5c\u6210\u4e2d\u306b\u3001\u6240\u6709\u6a29\u304c\u3089\u307f\u306e\u9762\u767d\u3044\u30a8\u30e9\u30fc\u304c\u51fa\u305f\u306e\u3067\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n
let<\/span> aaa<\/span> =<\/span> vec!<\/span>[<\/span>1<\/span>,<\/span>2<\/span>,<\/span>3<\/span>,<\/span>4<\/span>,<\/span>5<\/span>];<\/span>\r\nlet<\/span> bbb<\/span> =<\/span> vec!<\/span>[<\/span>1<\/span>,<\/span>2<\/span>,<\/span>3<\/span>,<\/span>4<\/span>,<\/span>5<\/span>];<\/span>\r\n\r\nfor<\/span> x<\/span> in<\/span> aaa<\/span>{<\/span>\r\n    for<\/span> y<\/span> in<\/span> bbb<\/span>{<\/span>\r\n        \/\/2\u3064\u306e\u914d\u5217\u306e\u8981\u7d20\u540c\u58eb\u3092\u6bd4\u8f03\u3059\u308b\u3088\u3046\u306a\u51e6\u7406<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u914d\u5217\u3092\uff12\u3064\u7528\u610f\u3057\uff08a, b\uff09\u3001\u305d\u308c\u305e\u308c\u306e\u8981\u7d20\u6570\u5206\u7e70\u308a\u8fd4\u3059\u30eb\u30fc\u30d7\u3092\u30cd\u30b9\u30c8\u3055\u305b\u3066\u307e\u3059\u3002
\n\u30bd\u30fc\u30c8\u306e\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3063\u307d\u3044\u3053\u3068\u3092\u884c\u306a\u3063\u3066\u3044\u308b\u601d\u3063\u3066\u3044\u305f\u3060\u3051\u308c\u3070\u5e78\u3044\u3067\u3059\u3002<\/p>\n
\u3055\u3066\u3001\u554f\u984c\u306e\u30a8\u30e9\u30fc\u306f2\u3064\u76ee\u306e\u30eb\u30fc\u30d7\u3067\u8d77\u3053\u308a\u307e\u3057\u305f\u3002<\/p>\n
error<\/span>[<\/span>E0382<\/span>]:<\/span> use<\/span> of<\/span> moved<\/span> value<\/span>:<\/span> `<\/span>b<\/span>`<\/span>\r\n -<\/span>-><\/span> Main<\/span>.exs<\/span>:<\/span>8<\/span>:<\/span>18<\/span>\r\n  |<\/span>\r\n8<\/span> |<\/span>         for<\/span> y<\/span> in<\/span> b<\/span>{<\/span>\r\n  |<\/span>                  ^<\/span> value<\/span> moved<\/span> here<\/span> in<\/span> previous<\/span> iteration<\/span> of<\/span> loop<\/span>\r\n<\/code><\/pre>\n
1\u3064\u76ee\u306e\u30eb\u30fc\u30d7\u3067\u7e70\u308a\u8fd4\u3059\u56de\u6570\u52062\u3064\u76ee\u306e\u30eb\u30fc\u30d7\u304c\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002
\n\u3064\u307e\u308a\u3001\u30eb\u30fc\u30d7\u306e\u5b9f\u884c\u56de\u6570\u5206\u3001\u914d\u5217b\u306e\u6240\u6709\u6a29\u3092\u6e21\u3059\u5fc5\u8981\u304c\u3042\u308b\u306e\u3067\u3059\u3002<\/p>\n
\u305d\u308c\u306f\u6240\u6709\u6a29\u30b7\u30b9\u30c6\u30e0\u306e\u30eb\u30fc\u30eb\u9055\u53cd\u306a\u306e\u3067\u3001
\n\u914d\u5217b\u306f\u53c2\u7167\uff08&b\uff09\u306e\u5f62\u3067\u8a18\u8ff0\u3059\u308b\u5fc5\u8981\u304c\u751f\u3058\u307e\u3059\u3002<\/p>\n
\u307e\u3068\u3081<\/h2>\n
\u3053\u306e\u30b7\u30b9\u30c6\u30e0\u306f\u3042\u308b\u30b3\u30b9\u30c8\u3092\u6301\u3061\u307e\u3059\u3002\u305d\u308c\u306f\u5b66\u7fd2\u66f2\u7dda\u3067\u3059\u3002 \u591a\u304f\u306e\u65b0\u3057\u3044Rust\u306e\u30e6\u30fc\u30b6\u306f\u300c\u501f\u7528\u30c1\u30a7\u30c3\u30ab\u3068\u306e\u6226\u3044\u300d\u3068\u597d\u3093\u3067\u547c\u3070\u308c\u308b\u3082\u306e\u3092\u7d4c\u9a13\u3057\u307e\u3059\u3002\u305d\u3053\u3067\u306fRust\u30b3\u30f3\u30d1\u30a4\u30e9\u304c\u958b\u767a\u8005\u304c\u6b63\u3057\u3044\u3068\u8003\u3048\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u30b3\u30f3\u30d1\u30a4\u30eb\u3059\u308b\u3053\u3068\u3092\u62d2\u7d76\u3057\u307e\u3059\u3002 \u6240\u6709\u6a29\u304c\u3069\u306e\u3088\u3046\u306b\u6a5f\u80fd\u3059\u308b\u306e\u304b\u306b\u3064\u3044\u3066\u306e\u30d7\u30ed\u30b0\u30e9\u30de\u306e\u30e1\u30f3\u30bf\u30eb\u30e2\u30c7\u30eb\u304cRust\u306e\u5b9f\u88c5\u3059\u308b\u5b9f\u969b\u306e\u30eb\u30fc\u30eb\u306b\u30de\u30c3\u30c1\u3057\u306a\u3044\u305f\u3081\u3001\u3053\u308c\u306f\u3057\u3070\u3057\u3070\u8d77\u304d\u307e\u3059\u3002 \u3057\u304b\u3057\u3001\u3088\u3044\u30cb\u30e5\u30fc\u30b9\u304c\u3042\u308a\u307e\u3059\u3002\u3088\u308a\u7d4c\u9a13\u8c4a\u5bcc\u306aRust\u306e\u958b\u767a\u8005\u306f\u6b21\u306e\u3053\u3068\u3092\u5831\u544a\u3057\u307e\u3059\u3002\u4e00\u5ea6\u5f7c\u3089\u304c\u6240\u6709\u6a29\u30b7\u30b9\u30c6\u30e0\u306e\u30eb\u30fc\u30eb\u3068\u3068\u3082\u306b\u3057\u3070\u3089\u304f\u4ed5\u4e8b\u3092\u3059\u308c\u3070\u3001\u5f7c\u3089\u304c\u501f\u7528\u30c1\u30a7\u30c3\u30ab\u3068\u6226\u3046\u3053\u3068\u306f\u5c11\u306a\u304f\u306a\u3063\u3066\u3044\u304f\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002<\/p><\/blockquote>\n
\u4ee5\u4e0a\u3001\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u30b5\u30a4\u30c8\u304b\u3089\u306e\u5f15\u7528\u3067\u3059\u3002<\/p>\n
\u3053\u306e\u6240\u6709\u6a29\u30b7\u30b9\u30c6\u30e0\u3001\u610f\u5916\u3068\u66f2\u8005\u3067\u6163\u308c\u308b\u306e\u306b\u7d50\u69cb\u82e6\u52b4\u3057\u307e\u3059\u3002
\n\u3057\u304b\u3057\u30b3\u30fc\u30c9\u3092\u66f8\u3044\u3066\u3044\u304f\u3046\u3061\u306b\u306a\u3093\u3068\u306a\u304f\u5206\u304b\u308b\u3088\u3046\u306b\u306a\u308b\u306e\u3067\u3054\u5b89\u5fc3\u304f\u3060\u3055\u3044\uff01<\/p>\n
\u3053\u308c\u3092\u6a5f\u306bRust\u3084\u3063\u3066\u307f\u3088\u3046\u3063\u3066\u65b9\u304c\u3044\u308b\u3053\u3068\u3092\u7948\u308a\u3064\u3064\u3001
\n\u3054\u8cea\u554f\u3001\u3054\u610f\u898b\u306a\u3069\u30b3\u30e1\u30f3\u30c8\u3067\u304a\u5f85\u3061\u3057\u3066\u304a\u308a\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u306f\u3058\u3081\u306b \u8da3\u5473\u3067\u3084\u3063\u3066\u308bRust\u7b2c\u4e8c\u5f3e\uff01 \u524d\u56de\u306e\u8a18\u4e8b\u306b\u66f8\u3053\u3046\u3068\u601d\u3063\u305f\u3051\u3069\u9577\u304f\u306a\u308a\u305d\u3046\u3060\u3063\u305f\u306e\u3067\u3001\u3053\u3053\u3067\u307e\u3068\u3081\u307e […]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-45614","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\/45614-2\/\" \/>\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 \u8da3\u5473\u3067\u3084\u3063\u3066\u308bRust\u7b2c\u4e8c\u5f3e\uff01 \u524d\u56de\u306e\u8a18\u4e8b\u306b\u66f8\u3053\u3046\u3068\u601d\u3063\u305f\u3051\u3069\u9577\u304f\u306a\u308a\u305d\u3046\u3060\u3063\u305f\u306e\u3067\u3001\u3053\u3053\u3067\u307e\u3068\u3081\u307e […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/45614-2\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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