{"id":45705,"date":"2022-11-13T00:02:55","date_gmt":"2023-07-21T04:57:43","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/45705-2\/"},"modified":"2024-04-29T00:22:33","modified_gmt":"2024-04-28T16:22:33","slug":"45705-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/45705-2\/","title":{"rendered":""},"content":{"rendered":"

\u4e0b\u6e96\u5099<\/h1>\n

Rust\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb
\nhttps:\/\/www.rust-lang.org\/ja\/learn\/get-started<\/p>\n

VSCode\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb
\nhttps:\/\/azure.microsoft.com\/ja-jp\/products\/visual-studio-code\/<\/p>\n

\"image.png\"<\/div>\n

\u305d\u3082\u305d\u3082Rust\u3063\u3066\u3069\u3093\u306a\u8a00\u8a9e\uff1f<\/h1>\n

-\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u958b\u767a\u306b\u5411\u3044\u3066\u3044\u308b
\n-C\u8a00\u8a9e\u3092\u8d85\u3048\u308b\u9ad8\u901f\u306a\u51e6\u7406
\n-\u30d2\u30e5\u30fc\u30de\u30f3\u30a8\u30e9\u30fc\u3092\u8a31\u3055\u306a\u3044\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u8a00\u8a9e\u69cb\u9020
\n-\u8a00\u8a9e\u69cb\u9020\u30ec\u30d9\u30eb\u3067\u30b9\u30ec\u30c3\u30c9\u30bb\u30fc\u30d5\u304c\u4fdd\u969c\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u51e6\u7406\u304c\u5f97\u610f<\/p>\n

\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u308b<\/h1>\n

\u30b3\u30de\u30f3\u30c9\u30d7\u30ed\u30f3\u30c8\u3067<\/p>\n

 cd <\/span>\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u308a\u305f\u3044\u5834\u6240\u306e\u30d1\u30b9\r\n cargo new new_project\r\n<\/code><\/pre>\n
\u3053\u308c\u3067\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u30d5\u30a9\u30eb\u30c0\u304c\u751f\u6210\u3055\u308c\u308b\u306e\u3067\u51fa\u6765\u305f\u3089\u305d\u308c\u3092VSCode\u3067\u958b\u304f\u3002
\n\u30a8\u30af\u30b9\u30d7\u30ed\u30fc\u30e9\u30fc\u3067\u30d5\u30a9\u30eb\u30c0\u3092\u53f3\u30af\u30ea\u30c3\u30af\u3057\u3066Code\u3067\u958b\u304f\u3092\u9078\u629e\u3059\u308b\u3001\u3082\u3057\u304f\u306fVSCode\u5185\u304b\u3089\u958b\u304f\u3002<\/p>\n
\u52d5\u304b\u3057\u3066\u307f\u308b<\/h1>\n
\"image.png\"<\/div>\n
\u305d\u3046\u3059\u308b\u3068\u4e0b\u306e\u30bf\u30fc\u30df\u30ca\u30eb\u306bHelloWorld\u304c\u51fa\u529b\u3055\u308c\u308b\u3002<\/p>\n
test\u6a5f\u80fd<\/h1>\n
\u3053\u308c\u3092\u30b3\u30d4\u30da\u3057\u3066\u8ffd\u52a0\u3059\u308b\u3002<\/p>\n
 #[test]<\/span>\r\n fn<\/span> test_func<\/span>(){<\/span>\r\n \tprintln!<\/span>(<\/span>\"I am true main function.\"<\/span>);<\/span>\r\n }<\/span>\r\n<\/code><\/pre>\n
\u305d\u3046\u3059\u308b\u3068Run Test\u30dc\u30bf\u30f3\u304c\u73fe\u308c\u308b\u306e\u3067\u305d\u308c\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068test_func\u304c\u5b9f\u884c\u3055\u308c\u308b\u3002<\/p>\n
\u5909\u6570\u5b9a\u7fa9<\/h1>\n
\u8d85\u5f37\u529b\u306a\u578b\u63a8\u8ad6\u304c\u5099\u308f\u3063\u3066\u3044\u3066\u3001\u6b86\u3069\u306e\u5834\u5408\u81ea\u5206\u3067\u578b\u3092\u66f8\u304f\u5fc5\u8981\u304c\u7121\u3044\u3002<\/p>\n
 let<\/span> i<\/span> =<\/span> 10<\/span>;<\/span>\r\n i<\/span> =<\/span> 5<\/span>;<\/span>\/\/\u30a8\u30e9\u30fc\uff01 \u5909\u6570\u306f\u6a19\u6e96\u3067\u5909\u66f4\u4e0d\u80fd(\u30a4\u30df\u30e5\u30fc\u30bf\u30d6\u30eb)<\/span>\r\n \r\n let<\/span> f<\/span> =<\/span> 10.0<\/span>;<\/span>\/\/\u53f3\u8fba\u306b\u3088\u3063\u3066\u578b\u304c\u6c7a\u5b9a\u3055\u308c\u308b<\/span>\r\n \r\n let<\/span> j<\/span>:<\/span>f64<\/span> =<\/span> 10.0<\/span>;<\/span>\/\/\u578b\u3092\u6307\u5b9a\u3057\u3066\u5b9a\u7fa9\u3059\u308b<\/span>\r\n \r\n let<\/span> i<\/span> =<\/span> \"aiueo\"<\/span>;<\/span>\/\/\u4ee5\u524d\u4f7f\u3063\u305f\u5909\u6570\u3092\u518d\u5b9a\u7fa9\u3067\u304d\u308b(\u30b7\u30e3\u30c9\u30fc\u30a4\u30f3\u30b0)<\/span>\r\n \r\n let<\/span> mut<\/span> x<\/span> =<\/span> 10<\/span>;<\/span>\/\/mut\u3092\u4ed8\u3051\u308b\u3068\u3001\u5909\u66f4\u53ef\u80fd\u306a\u5909\u6570\u306b\u306a\u308b<\/span>\r\n x<\/span> =<\/span> 50<\/span>;<\/span>\r\n<\/code><\/pre>\n
f64\u306f64bit\u6d6e\u52d5\u5c0f\u6570\u70b9\u578b\u3002\u8981\u3059\u308b\u306b\u4ed6\u306e\u8a00\u8a9e\u3067\u306edouble\u3002<\/p>\n
\n
\u4e00\u822c\u7684\u306a\u540d\u79f0Rustinti32longi64unsigned_intu32charu8floatf32<\/div>\n<\/div>\n
\u6a19\u6e96\u51fa\u529b<\/h1>\n
 let<\/span> x<\/span> =<\/span> 10.0<\/span>;<\/span>\r\n println!<\/span>(<\/span>\"x = {}\"<\/span>,<\/span>x<\/span>);<\/span>\r\n println!<\/span>(<\/span>\"x = {x}\"<\/span>);<\/span>\/\/\u6700\u8fd1\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3067{}\u306e\u4e2d\u306b\u76f4\u63a5\u5909\u6570\u3092\u5165\u308c\u3089\u308c\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u3002{}\u5185\u3067\u306e\u6f14\u7b97\u306f\u307e\u3060\u3067\u304d\u306a\u3044\u3002<\/span>\r\n println!<\/span>(<\/span>\"x = {x:+10.5}\"<\/span>);<\/span>\/\/\u51fa\u529b\u3092\u6574\u5f62\u3067\u304d\u308b<\/span>\r\n println!<\/span>(<\/span>\"x = {x:?}\"<\/span>);<\/span>\/\/\u30c7\u30d0\u30c3\u30b0\u30e2\u30fc\u30c9\u3067\u51fa\u529b<\/span>\r\n<\/code><\/pre>\n
+\u306f\u7b26\u53f7\u3092\u8868\u793a\u3059\u308b\u3068\u3044\u3046\u610f\u5473\u300210.5\u306f\u5c0f\u6570\u70b9\u4ee5\u4e0b\u306f5\u6587\u5b57\u307e\u3067\u8868\u793a\u3057\u3001\u6700\u4f4e10\u6587\u5b57\u5206\u306b\u306a\u308b\u3088\u3046\u306b\u7a7a\u6b04\u3092\u633f\u5165\u3059\u308b\u3068\u3044\u3046\u610f\u5473\u3002<\/p>\n
\u6240\u6709\u6a29\u3068\u501f\u7528<\/h1>\n
Rust\u306e\u5909\u6570\u306b\u306f\u6240\u6709\u6a29\u3068\u3044\u3046\u6982\u5ff5\u304c\u3042\u308b\u3002\u305f\u3060\u4e00\u3064\u306e\u5909\u6570\u3060\u3051\u304c\u5b9f\u969b\u306e\u30c7\u30fc\u30bf\u306e\u6240\u6709\u8005\u306b\u306a\u308a\u5f97\u308b\u3002<\/p>\n
 let<\/span> x<\/span> =<\/span> String<\/span>::<\/span>from<\/span>(<\/span>\"data\"<\/span>);<\/span>\r\n let<\/span> y<\/span> =<\/span> x<\/span>;<\/span>\/\/x\u306b\u683c\u7d0d\u3055\u308c\u3066\u3044\u305f\u30c7\u30fc\u30bf\"data\"\u306e\u6240\u6709\u6a29\u304cy\u306b\u79fb\u52d5\u3057\u305f(move\u3057\u305f)<\/span>\r\n println!<\/span>(<\/span>\"x = {x}\"<\/span>);<\/span>\/\/\u30a8\u30e9\u30fc\uff01(\u306a\u305c\u306a\u3089x\u306f\u30c7\u30fc\u30bf\u306e\u6240\u6709\u6a29\u3092\u6301\u3063\u3066\u3044\u306a\u3044\u304b\u3089)<\/span>\r\n  \r\n let<\/span> x<\/span> =<\/span> String<\/span>::<\/span>from<\/span>(<\/span>\"data\"<\/span>);<\/span>\r\n let<\/span> y<\/span> =<\/span> &<\/span>x<\/span>;<\/span>\/\/\u501f\u7528\u3059\u308b(\u53c2\u7167\u3092\u53d6\u308b)\u3053\u3068\u3067\u6240\u6709\u6a29\u3092\u653e\u68c4\u305b\u305a\u306b\u30c7\u30fc\u30bf\u3092\u6e21\u305b\u308b<\/span>\r\n let<\/span> ref<\/span> z<\/span> =<\/span> x<\/span>;<\/span>\/\/\u3053\u308c\u3067\u3082ok<\/span>\r\n println!<\/span>(<\/span>\"x = {x}\"<\/span>);<\/span>\r\n println!<\/span>(<\/span>\"y = {y}\"<\/span>);<\/span>\r\n \r\n let<\/span> mut<\/span> x<\/span> =<\/span> String<\/span>::<\/span>from<\/span>(<\/span>\"data\"<\/span>);<\/span>\r\n let<\/span> y<\/span> =<\/span> &<\/span>mut<\/span> x<\/span>;<\/span>\/\/\u5909\u66f4\u53ef\u80fd\u306a\u53c2\u7167\u3092\u53d6\u308b<\/span>\r\n let<\/span> ref<\/span> mut<\/span> z<\/span> =<\/span> x<\/span>;<\/span>\/\/\u30a8\u30e9\u30fc\uff01 \u3053\u306e\u66f8\u304d\u65b9\u3082\u53ef...\u3060\u3051\u3069\u3001\u53ef\u5909\u53c2\u7167\u306f\u4e8c\u3064\u4ee5\u4e0a\u5b58\u5728\u51fa\u6765\u306a\u3044<\/span>\r\n let<\/span> ref<\/span> z<\/span> =<\/span> x<\/span>;<\/span>\/\/\u30a8\u30e9\u30fc\uff01 \u53ef\u5909\u53c2\u7167\u304c\u3042\u308b\u5834\u5408\u306f\u666e\u901a\u306e\u53c2\u7167\u3082\u53d6\u308c\u306a\u3044<\/span>\r\n *<\/span>y<\/span> =<\/span> y<\/span>.replace<\/span>(<\/span>\"a\"<\/span>,<\/span>\"A\"<\/span>);<\/span>\r\n println!<\/span>(<\/span>\"x = {x}\"<\/span>);<\/span>\r\n \r\n let<\/span> x<\/span> =<\/span> 10<\/span>;<\/span>\r\n let<\/span> y<\/span> =<\/span> x<\/span>;<\/span>\/\/Copy\u30c8\u30ec\u30a4\u30c8(\u5f8c\u8ff0)\u304c\u5b9f\u88c5\u3055\u308c\u3066\u3044\u308b\u578b\u306f\u6697\u9ed9\u306b\u30b3\u30d4\u30fc\u3055\u308c\u308b<\/span>\r\n println!<\/span>(<\/span>\"x = {x}\"<\/span>);<\/span>\/\/\u30b3\u30d4\u30fc\u3055\u308c\u305f\u3060\u3051\u306a\u306e\u3067\u6240\u6709\u6a29\u306f\u5931\u308f\u308c\u3066\u3044\u306a\u3044<\/span>\r\n<\/code><\/pre>\n
\u3061\u306a\u307f\u306b\u69cb\u9020\u4f53\u306e\u4e2d\u306e\u7279\u5b9a\u306e\u30c7\u30fc\u30bf\u3092\u501f\u7528\u3059\u308b\u3068\u69cb\u9020\u4f53\u5168\u4f53\u304c\u501f\u7528\u3055\u308c\u305f\u3088\u3046\u306b\u632f\u308b\u821e\u3046(\u521d\u5fc3\u8005\u306e\u6642\u306b\u3053\u308c\u3067\u6cbc\u3063\u305f)<\/p>\n
\u56db\u5247\u6f14\u7b97<\/h1>\n
 let<\/span> x<\/span> =<\/span> 5<\/span>;<\/span>\r\n let<\/span> y<\/span> =<\/span> 7.5<\/span>;<\/span>\r\n let<\/span> z<\/span> =<\/span> x<\/span> *<\/span> y<\/span>;<\/span>\/\/\u30a8\u30e9\u30fc\uff01 \u540c\u3058\u578b\u540c\u58eb\u3067\u3057\u304b\u6f14\u7b97\u51fa\u6765\u306a\u3044<\/span>\r\n let<\/span> z<\/span> =<\/span> x<\/span> as<\/span> f32<\/span> *<\/span> y<\/span>;<\/span>\/\/\u6f14\u7b97\u3059\u308b\u305f\u3081\u306b\u306f\u578b\u5909\u63db\u3057\u3066\u3084\u308b\u5fc5\u8981\u304c\u3042\u308b<\/span>\r\n println!<\/span>(<\/span>\"z = {z}\"<\/span>);<\/span>\r\n<\/code><\/pre>\n
\u6761\u4ef6\u5206\u5c90<\/h1>\n
 if<\/span> 5<\/span>><\/span>10<\/span>{<\/span>\r\n \ttodo!<\/span>();<\/span>\/\/\u5f8c\u3067\u4f55\u304b\u3057\u3089\u306e\u51e6\u7406\u306b\u7f6e\u304d\u63db\u3048\u308b\u3088\u3068\u3044\u3046\u610f\u5473<\/span>\r\n }<\/span>else<\/span> if<\/span> 1<\/span><<\/span>5<\/span>{<\/span>\r\n \ttodo!<\/span>();<\/span>\r\n }<\/span>else<\/span>{<\/span>\r\n \ttodo!<\/span>();<\/span>\r\n }<\/span>\r\n<\/code><\/pre>\n
()\u304c\u4e0d\u8981\u306a\u4ee3\u308f\u308a\u306b{}\u306f\u5fc5\u9808<\/p>\n
\u914d\u5217<\/h1>\n
 let<\/span> array<\/span> =<\/span> [<\/span>0.0<\/span>;<\/span>10<\/span>];<\/span>\/\/\u521d\u671f\u5024\u304c\u5168\u90e80.0\u3067\u9577\u3055\u304c10\u306ef32\u306e\u914d\u5217\u304c\u5b9a\u7fa9\u3055\u308c\u308b\u3002<\/span>\r\n let<\/span> mut<\/span> vec<\/span> =<\/span> vec!<\/span>[<\/span>0.0<\/span>;<\/span>10<\/span>];<\/span>\/\/\u521d\u671f\u5024\u304c\u5168\u90e80\u3067\u9577\u3055\u304c10\u306ef32\u306e\u53ef\u5909\u9577\u914d\u5217\u304c\u5b9a\u7fa9\u3055\u308c\u308b\u3002<\/span>\r\n let<\/span> mut<\/span> vec<\/span>:<\/span>Vec<\/span><<\/span>f32<\/span>><\/span> =<\/span> Vec<\/span>::<\/span>new<\/span>();<\/span>\/\/rust\u3067\u306f\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306e\u4ee3\u308f\u308a\u306b\u30b9\u30bf\u30c6\u30a3\u30c3\u30af\u306anew\u306a\u3069\u3068\u547d\u540d\u3055\u308c\u305f\u95a2\u6570\u3092\u4f7f\u3046<\/span>\r\n let<\/span> array<\/span> =<\/span> [<\/span>1<\/span>,<\/span>2<\/span>,<\/span>3<\/span>,<\/span>4<\/span>];<\/span>\/\/\u3053\u3046\u3044\u3046\u5b9a\u7fa9\u3082\u3067\u304d\u308b<\/span>\r\n println!<\/span>(<\/span>\"{array[3]}\"<\/span>)<\/span>\/\/4\u756a\u76ee\u3092\u51fa\u529b<\/span>\r\n<\/code><\/pre>\n
\u3061\u306a\u307f\u306bRust\u3067\u306f\u672a\u5b9a\u7fa9\u306e\u5909\u6570\u306f\u5b58\u5728\u51fa\u6765\u306a\u3044\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u308b\u3002\u914d\u5217\u3082\u3001\u5ba3\u8a00\u6642\u306b\u5fc5\u305a\u5024\u304c\u5165\u308b\u3002
\n\u672a\u5b9a\u7fa9\u306e\u5909\u6570\u3092\u8868\u3057\u305f\u3044\u5834\u5408\u3001\u5f8c\u8ff0\u306eOption\u3092\u4f7f\u3046\u3002<\/p>\n
for<\/h1>\n
 for<\/span> i<\/span> in<\/span> 0<\/span>..<\/span>5<\/span>{<\/span>\/\/0~4\u307e\u3067\u304c\u30eb\u30fc\u30d7\u3059\u308b<\/span>\r\n \tprintln!<\/span>(<\/span>\"{i}\"<\/span>);<\/span>\r\n }<\/span>\r\n \r\n for<\/span> i<\/span> in<\/span> 0<\/span>..=<\/span>5<\/span>{<\/span>\/\/0~5<\/span>\r\n  \tprintln!<\/span>(<\/span>\"{i}\"<\/span>);<\/span>\r\n }<\/span>\r\n \r\n let<\/span> array<\/span> =<\/span> [<\/span>1<\/span>,<\/span>3<\/span>,<\/span>5<\/span>,<\/span>2<\/span>];<\/span>\r\n for<\/span> item<\/span> in<\/span> array<\/span>{<\/span>\/\/\u53f3\u8fba\u306f\u30a4\u30c6\u30ec\u30fc\u30bf\u3067\u3042\u308c\u3070\u306a\u3093\u3067\u3082\u8a31\u53ef\u3055\u308c\u308b<\/span>\r\n \tprintln!<\/span>(<\/span>\"{item}\"<\/span>);<\/span>\r\n }<\/span>\r\n<\/code><\/pre>\n
rust\u3067\u306efor\u6587\u306f\u3001\u30a4\u30c6\u30ec\u30fc\u30bf\u30fc\u3092\u51e6\u7406\u3059\u308b\u3082\u306e\u30020..5\u306f\u30010~4\u3092\u9806\u756a\u306b\u8fd4\u3059\u30a4\u30c6\u30ec\u30fc\u30bf\u30fc\u3092\u751f\u6210\u3059\u308b\u69cb\u6587\u3002<\/p>\n
\u30b3\u30fc\u30c9\u30d6\u30ed\u30c3\u30af<\/h1>\n
 \/\/{}\u306f\u5024\u3092\u8fd4\u3059<\/span>\r\n let<\/span> x<\/span> =<\/span> {<\/span>\r\n \ttodo!<\/span>();<\/span>\r\n \t10<\/span>\/\/\u6700\u7d42\u884c\u306b;\u3092\u4ed8\u3051\u305a\u306b\u66f8\u304f\u3068\u305d\u306e\u5024\u304c\u623b\u308a\u5024\u3068\u3057\u3066\u4f7f\u308f\u308c\u308b<\/span>\r\n };<\/span>\r\n\r\n \/\/if\u6587\u3082\u5b9f\u884c\u3055\u308c\u305f\u30b3\u30fc\u30c9\u30d6\u30ed\u30c3\u30af\u306e\u623b\u308a\u5024\u3092\u8fd4\u3059<\/span>\r\n let<\/span> y<\/span> =<\/span> if<\/span> x<\/span>><\/span>5<\/span> {<\/span>\"x is bigger than 5\"<\/span>}<\/span> else<\/span> {<\/span>\"x is not bigger than 5\"<\/span>};<\/span>\r\n<\/code><\/pre>\n
\u95a2\u6570\u5b9a\u7fa9<\/h1>\n
 hoge<\/span>();<\/span>\/\/\u5b9a\u7fa9\u306e\u9806\u756a\u306f\u554f\u308f\u306a\u3044<\/span>\r\n \r\n fn<\/span> hoeg<\/span>(){<\/span>\r\n \tprintln!<\/span>(<\/span>\"hoge\"<\/span>);<\/span>\r\n }<\/span>\r\n\r\n fn<\/span> add<\/span>(<\/span>rhs<\/span>:<\/span>i32<\/span>,<\/span>lhs<\/span>:<\/span>i32<\/span>)<\/span> -><\/span> i32<\/span>{<\/span>\r\n \trhs<\/span> +<\/span> lhs<\/span>\/\/return\u4e0d\u8981\u3002<\/span>\r\n }<\/span>\r\n\r\n fn<\/span> sub<\/span>(<\/span>rhs<\/span>:<\/span>i32<\/span>,<\/span>lhs<\/span>:<\/span>i32<\/span>)<\/span> -><\/span> i32<\/span>{<\/span>\r\n  \treturn<\/span> rhs<\/span> -<\/span> lhs<\/span>;<\/span>\/\/\u52ff\u8ad6return\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u308b<\/span>\r\n }<\/span>\r\n\r\n \/\/\u5f15\u6570\u3092move\u3067\u306f\u306a\u304f\u501f\u7528\u306b\u3059\u308b<\/span>\r\n fn<\/span> ref<\/span>(<\/span>ref<\/span> string<\/span>:<\/span>String<\/span>){<\/span>\r\n    println!<\/span>(<\/span>\"{string}\"<\/span>);<\/span>\r\n }<\/span>\r\n \/\/\u3053\u308c\u3067\u3082\u540c\u3058\u3053\u3068\u304c\u3067\u304d\u308b<\/span>\r\n fn<\/span> borrow<\/span>(<\/span>string<\/span>:<\/span>&<\/span>String<\/span>){<\/span>\r\n    println!<\/span>(<\/span>\"{string}\"<\/span>);<\/span>\r\n }<\/span>\r\n \r\n \/\/\u4e0a\u306e\u4e8c\u3064\u306f\u547c\u3073\u51fa\u3057\u65b9\u304c\u5909\u308f\u308b<\/span>\r\n \/\/\u4e0b\u3060\u3068\u660e\u793a\u7684\u306b\u53c2\u7167\u3060\u3068\u3044\u3046\u3053\u3068\u3092\u793a\u305b\u308b<\/span>\r\n ref<\/span>(<\/span>\"aiueo\"<\/span>.to_string<\/span>());<\/span>\r\n borrow<\/span>(<\/span>&<\/span>\"aiueo\"<\/span>.to_string<\/span>());<\/span>\r\n<\/code><\/pre>\n
\u5916\u90e8\u30af\u30ec\u30fc\u30c8\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/h1>\n
\u30af\u30ec\u30fc\u30c8\u3068\u306f\u8981\u3059\u308b\u306b\u5916\u90e8\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u3053\u3068
\nCargo.toml\u306edependencies\u306e\u90e8\u5206\u306b\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8ffd\u52a0\u3059\u308b<\/p>\n
 [dependencies]<\/span>\r\n rand<\/span> =<\/span> \"0.6\"<\/span>\r\n<\/code><\/pre>\n
\u3053\u308c\u3067rand\u30af\u30ec\u30fc\u30c8\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u304c\u51fa\u6765\u305f<\/p>\n
https:\/\/crates.io
\n\u3061\u306a\u307f\u306b\u3053\u3053\u306b\u5b58\u5728\u3059\u308b\u30af\u30ec\u30fc\u30c8\u3060\u3063\u305f\u3089\u306a\u3093\u3067\u3082\u3053\u306e\u65b9\u6cd5\u3067\u5c0e\u5165\u3067\u304d\u308b<\/p>\n
\u4e00\u65e6\u7df4\u7fd2\u554f\u984c<\/h1>\n
\u24600~100\u307e\u3067\u306e\u6570\u3092\u51fa\u529b\u3059\u308b\u3051\u3069\u30013\u306e\u500d\u6570\u306e\u6642\u306b\u306f\u4ee3\u308f\u308a\u306bhoge\u30015\u306e\u500d\u6570\u306e\u6642\u306b\u306f\u4ee3\u308f\u308a\u306bmoge\u30013\u306e\u500d\u6570\u3067\u30825\u306e\u500d\u6570\u3067\u3082\u3042\u308b\u6642\u306f\u4ee3\u308f\u308a\u306bhogemoge\u3068\u51fa\u529b\u3059\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u66f8\u3044\u3066\u307f\u3088\u3046
\n\u24610!\u304b\u308910!\u3092\u6c42\u3081\u3066\u51fa\u529b\u3059\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u66f8\u3044\u3066\u307f\u3088\u3046
\n\u2462\u4ee5\u4e0b\u3067\u5b9a\u7fa9\u3055\u308c\u308b\u914d\u5217\u3092\u30bd\u30fc\u30c8\u3057\u3066\u51fa\u529b\u3059\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u66f8\u3044\u3066\u307f\u3088\u3046<\/p>\n
 use<\/span> rand<\/span>::<\/span>Rng<\/span>;<\/span>\r\n let<\/span> mut<\/span> rng<\/span> =<\/span> rand<\/span>::<\/span>thread_rng<\/span>();<\/span>\r\n let<\/span> mut<\/span> array<\/span> =<\/span> [<\/span>0<\/span>;<\/span>20<\/span>];<\/span>\r\n for<\/span> item<\/span> in<\/span> array<\/span>.iter_mut<\/span>(){<\/span>\r\n\t*<\/span>item<\/span> =<\/span> rng<\/span>.gen_range<\/span>(<\/span>0<\/span>,<\/span> 100<\/span>);<\/span>\r\n }<\/span>\r\n<\/code><\/pre>\n
enum\u3068\u30d1\u30bf\u30fc\u30f3\u30de\u30c3\u30c1\u30f3\u30b0<\/h1>\n
 \/\/enum\u306f\u5024\u3092\u6301\u3064\u3053\u3068\u304c\u3067\u304d\u308b<\/span>\r\n enum<\/span> IP<\/span>{<\/span>\r\n     V4<\/span>([<\/span>u8<\/span>;<\/span>4<\/span>]),<\/span>\r\n     V6<\/span>(<\/span>String<\/span>),<\/span>\r\n }<\/span>\r\n fn<\/span> print_ip<\/span>(<\/span>ref<\/span> ip<\/span>:<\/span>IP<\/span>){<\/span>\r\n     match<\/span> ip<\/span>{<\/span>\r\n         IP<\/span>::<\/span>V4<\/span>(<\/span>x<\/span>)<\/span> =><\/span> {<\/span>println!<\/span>(<\/span>\"{x:?}\"<\/span>)},<\/span>\r\n         IP<\/span>::<\/span>V6<\/span>(<\/span>x<\/span>)<\/span> =><\/span> println!<\/span>(<\/span>\"{x}\"<\/span>),<\/span>\/\/{}\u306f\u7701\u7565\u53ef<\/span>\r\n         _<\/span> =><\/span> (),<\/span>\/\/\u4f55\u3082\u30de\u30c3\u30c1\u3057\u306a\u304b\u3063\u305f\u3068\u304d\u306b\u5b9f\u884c\u3055\u308c\u308b\u3002<\/span>\r\n     }<\/span>\r\n  }<\/span>\r\n    \r\n let<\/span> ip1<\/span> =<\/span> IP<\/span>::<\/span>V4<\/span>([<\/span>123<\/span>,<\/span>200<\/span>,<\/span>255<\/span>,<\/span>255<\/span>]);<\/span>\r\n let<\/span> ip2<\/span> =<\/span> IP<\/span>::<\/span>V6<\/span>(<\/span>\"240d:1a:c5:c100:9ccd:2942:b774:c1fc\"<\/span>.to_string<\/span>());<\/span>\r\n   \r\n print_ip<\/span>(<\/span>ip1<\/span>);<\/span>\r\n print_ip<\/span>(<\/span>ip2<\/span>);<\/span>\r\n<\/code><\/pre>\n
Option\u3068Result\u3068\u3044\u3046\u4e8c\u3064\u306e\u7d44\u307f\u8fbc\u307f\u306eenum\u304c\u3042\u308b\u3002<\/p>\n
 \/\/Option\u306fnull\u306b\u306a\u308a\u5f97\u308b\u578b\u3092\u4f5c\u308b\u6642\u306b\u4f7f\u3046<\/span>\r\n let<\/span> nullable_int<\/span>:<\/span>Option<\/span><<\/span>i32<\/span>><\/span> =<\/span> Some<\/span>(<\/span>10<\/span>);<\/span>\r\n let<\/span> none<\/span>:<\/span>Option<\/span><<\/span>i32<\/span>><\/span> =<\/span> None<\/span>;<\/span>\r\n \r\n \/\/Result\u306f\u95a2\u6570\u306e\u30a8\u30e9\u30fc\u51e6\u7406\u306b\u4f7f\u3046(\u623b\u308a\u5024\u3068\u3057\u3066)<\/span>\r\n let<\/span> result_ok<\/span>:<\/span>Result<\/span><<\/span>i32<\/span>,<\/span>String<\/span>><\/span> =<\/span> Ok<\/span>(<\/span>10<\/span>);<\/span>\r\n let<\/span> result_err<\/span>:<\/span>Result<\/span><<\/span>i32<\/span>,<\/span>String<\/span>><\/span> =<\/span> Err<\/span>(<\/span>\"\"<\/span>.to_string<\/span>());<\/span>\r\n<\/code><\/pre>\n
\u4e2d\u8eab\u3092\u53d6\u308a\u51fa\u3059\u3068\u304d\u306b\u306fmatch\u304c\u5fc5\u8981\u304b\u3068\u601d\u3046\u304b\u3082\u3057\u308c\u306a\u3044\u304c\u3001Option\u3084Result\u306b\u306f\u7d44\u307f\u8fbc\u307f\u306e\u30e1\u30bd\u30c3\u30c9\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u305d\u3061\u3089\u3092\u4f7f\u3046\u3068\u697d\u3002<\/p>\n
\u69cb\u9020\u4f53<\/h1>\n
 struct<\/span> Student<\/span>{<\/span>\r\n \tname<\/span>:<\/span>String<\/span>,<\/span>\r\n \tid<\/span>:<\/span>u32<\/span>,<\/span>\r\n }<\/span>\r\n \r\n let<\/span> test_student<\/span> =<\/span> Student<\/span>{<\/span>\r\n \tname<\/span>:<\/span>\"test\"<\/span>.to_string<\/span>(),<\/span>\r\n \tid<\/span>:<\/span>0123456789<\/span>,<\/span>\r\n };<\/span>\r\n \r\n \/\/impl\u3067\u30e1\u30f3\u30d0\u3092\u5b9a\u7fa9\u3059\u308b<\/span>\r\n impl<\/span> Student<\/span>{<\/span>\r\n \t\/\/Rust\u3067\u306f\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3068\u3044\u3046\u6982\u5ff5\u304c\u7121\u304f\u3001\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306e\u4ee3\u308f\u308a\u306b\u30b9\u30bf\u30c6\u30a3\u30c3\u30af\u306anew\u95a2\u6570\u3084create\u95a2\u6570\u3092\u4f7f\u3046\u3002<\/span>\r\n \tfn<\/span> new<\/span>(<\/span>_name<\/span>:<\/span>String<\/span>,<\/span>_id<\/span>:<\/span>u32<\/span>)<\/span> -><\/span> Student<\/span>{<\/span>\r\n \t\tStudent<\/span>{<\/span>\r\n \t\t\tname<\/span>:<\/span>_name<\/span>,<\/span>\r\n \t\t\tid<\/span>:<\/span>_id<\/span>\r\n \t\t}<\/span>\r\n \t}<\/span>\r\n \tfn<\/span> new_advance<\/span>(<\/span>name<\/span>:<\/span>String<\/span>,<\/span>id<\/span>:<\/span>u32<\/span>)<\/span> -><\/span> Student<\/span>{<\/span>\r\n \t\t\/\/\u5f15\u6570\u540d\u3068\u30d5\u30a3\u30fc\u30eb\u30c9\u540d\u304c\u540c\u3058\u306e\u6642\u306f\u7701\u7565\u53ef<\/span>\r\n         Student<\/span>{<\/span>\r\n             name<\/span>,<\/span>\r\n             id<\/span>,<\/span>\r\n         }<\/span>\r\n \t}<\/span>\r\n \t\/\/\u7b2c\u4e00\u5f15\u6570\u306bself\u3092\u5165\u308c\u308b\u3068\u4ed6\u306e\u8a00\u8a9e\u3067\u8a00\u3046\u30e1\u30bd\u30c3\u30c9\u306b\u306a\u308b<\/span>\r\n \t\/\/\u666e\u901a\u306bself\u3092\u5165\u308c\u308b\u3068\u547c\u3073\u51fa\u3057\u5143\u304b\u3089\u6240\u6709\u6a29\u3092\u3082\u304e\u53d6\u3063\u3066\u3057\u307e\u3046\u306e\u3067&\u3092\u4ed8\u3051\u3066\u501f\u7528\u306b\u3059\u308b<\/span>\r\n \tfn<\/span> get_id<\/span>(<\/span>&<\/span>self<\/span>)<\/span> -><\/span> u32<\/span>{<\/span>\r\n   \t\tself<\/span>.id<\/span>\r\n   \t}<\/span>\r\n \tfn<\/span> set_id<\/span>(<\/span>&<\/span>mut<\/span> self<\/span>,<\/span>new_id<\/span>:<\/span>u32<\/span>){<\/span>\r\n \t\tself<\/span>.id<\/span> =<\/span> new_id<\/span>;<\/span>\r\n \t}<\/span>\r\n }<\/span>\r\n \r\n let<\/span> student<\/span> =<\/span> Student<\/span>::<\/span>new<\/span>(<\/span>\"umehara\"<\/span>.to_string<\/span>(),<\/span>2620211026<\/span>);<\/span>\r\n \r\n \/\/\u3053\u306e\u4e8c\u3064\u306f\u540c\u3058\u610f\u5473<\/span>\r\n student<\/span>.set_id<\/span>(<\/span>1234<\/span>);<\/span>\r\n Student<\/span>::<\/span>set_id<\/span>(<\/span>&<\/span>student<\/span>,<\/span>1234<\/span>);<\/span>\r\n<\/code><\/pre>\n
\u3061\u306a\u307f\u306benum\u306b\u3082struct\u3068\u540c\u3058\u3088\u3046\u306bimpl\u3067\u304d\u308b\u3002
\nrust\u3067\u306f\u30c7\u30fc\u30bf\u3068\u95a2\u6570\u304c\u5b8c\u5168\u306b\u5206\u96e2\u3057\u3066\u3044\u308b\u3002\u69cb\u9020\u4f53\u3068\u95a2\u6570\u3067\u540d\u524d\u7a7a\u9593\u3092\u5206\u3051\u308b\u3053\u3068\u3068\u304b\u3082\u3067\u304d\u308b\u3002<\/p>\n
\u30c8\u30ec\u30a4\u30c8<\/h1>\n
\u4ed6\u306e\u8a00\u8a9e\u3067\u8a00\u3046\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u3053\u3068\u3002rust\u3067\u306f\u5171\u901a\u306e\u632f\u308b\u821e\u3044\u3092\u3059\u308b\u69cb\u9020\u4f53\u3092\u4f5c\u308b\u6642\u306b\u7d99\u627f\u306f\u4f7f\u308f\u305a\u3001\u30c8\u30ec\u30a4\u30c8\u3067\u5168\u3066\u3092\u89e3\u6c7a\u3059\u308b\u3002
\nDebug\u30c8\u30ec\u30a4\u30c8\u306e\u5b9f\u88c5\u8981\u4ef6 https:\/\/doc.rust-lang.org\/std\/fmt\/trait.Debug.html<\/p>\n
 \/\/(\u524d\u7565)<\/span>\r\n \r\n \/\/Debug\u30c8\u30ec\u30a4\u30c8\u3092Student\u306b\u5b9f\u88c5\u3059\u308b\u3002<\/span>\r\n impl<\/span> Debug<\/span> for<\/span> Student<\/span>{<\/span>\r\n \t\/\/VScode\u306a\u3089fn\u3068\u6253\u3064\u3068\u4e88\u6e2c\u5909\u63db\u306b\u8868\u793a\u3055\u308c\u308b<\/span>\r\n     fn<\/span> fmt<\/span>(<\/span>&<\/span>self<\/span>,<\/span> f<\/span>:<\/span> &<\/span>mut<\/span> std<\/span>::<\/span>fmt<\/span>::<\/span>Formatter<\/span><<\/span>'_<\/span>><\/span>)<\/span> -><\/span> std<\/span>::<\/span>fmt<\/span>::<\/span>Result<\/span> {<\/span>\r\n         write!<\/span>(<\/span>f<\/span>,<\/span>\"name={},id={}\"<\/span>,<\/span>self<\/span>.name<\/span>,<\/span>self<\/span>.id<\/span>)<\/span>\r\n     }<\/span>\r\n }<\/span>\r\n    \r\n \/\/Debug\u30c8\u30ec\u30a4\u30c8\u3092\u5b9f\u88c5\u3057\u305f\u306e\u3067student\u3092\u30c7\u30d0\u30c3\u30b0\u30e2\u30fc\u30c9\u3067\u6a19\u6e96\u51fa\u529b\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u3002<\/span>\r\n println!<\/span>(<\/span>\"{student:?}\"<\/span>);<\/span>\r\n<\/code><\/pre>\n
\u3061\u306a\u307f\u306b\u3055\u3063\u304d\u540d\u524d\u3060\u3051\u51fa\u3066\u304d\u305fCopy\u30c8\u30ec\u30a4\u30c8\u3060\u304c\u3001\u3053\u308c\u306f\u30de\u30fc\u30ab\u30fc\u30c8\u30ec\u30a4\u30c8\u3068\u547c\u3070\u308c\u308b\u3082\u306e\u3067\u3001\u4f55\u306e\u95a2\u6570\u3082\u5b9f\u88c5\u3057\u306a\u3044\u3002\u4f55\u3082\u5b9f\u88c5\u3057\u306a\u3044\u304c\u3001\u305d\u306e\u30c8\u30ec\u30a4\u30c8\u304c\u4ed8\u3044\u3066\u3044\u308b\u3068\u632f\u308b\u821e\u3044\u304c\u5909\u308f\u308b\u3002\u4f8b\u3048\u3070Copy\u30c8\u30ec\u30a4\u30c8\u304c\u5b9f\u88c5\u3055\u308c\u3066\u3044\u308b\u3068\u3001”=”\u3059\u308b\u6642\u306b\u6240\u6709\u6a29\u3092\u79fb\u52d5\u305b\u305a\u306b\u6697\u9ed9\u7684\u306b\u30b3\u30d4\u30fc\u3092\u884c\u3046\u3002<\/p>\n
\u7d99\u627f<\/h1>\n
\u4ed6\u306e\u8a00\u8a9e\u306e\u7d99\u627f\u3068\u306f\u610f\u5473\u304c\u9055\u3046\u3002Rust\u3067\u306f\u5168\u81ea\u52d5\u3067\u30c8\u30ec\u30a4\u30c8\u3092\u5b9f\u88c5\u3057\u3066\u304f\u308c\u308b\u6a5f\u80fd\u306e\u3053\u3068\u3002<\/p>\n
 \/\/\u3053\u306e\u6a5f\u80fd\u306f\u95a2\u6570\u5185\u3067\u306f\u4f7f\u3048\u306a\u3044\u306e\u3067\u95a2\u6570\u5916\u3067\u5b9a\u7fa9\u3059\u308b\u3053\u3068\u3002<\/span>\r\n #[derive(Debug,Clone)]<\/span>\r\n struct<\/span> Student<\/span>{<\/span>\r\n \tname<\/span>:<\/span>String<\/span>,<\/span>\r\n \tid<\/span>:<\/span>u32<\/span>,<\/span>\r\n }<\/span>\r\n<\/code><\/pre>\n
 let<\/span> student<\/span> =<\/span> Student<\/span>{<\/span>\r\n \tname<\/span>:<\/span>\"test\"<\/span>.to_string<\/span>(),<\/span>\r\n \tid<\/span>:<\/span>0123456789<\/span>\r\n };<\/span>\r\n \r\n let<\/span> cloned_student<\/span> =<\/span> student<\/span>.clone<\/span>();<\/span>\r\n println!<\/span>(<\/span>\"{student:?}\"<\/span>);<\/span>\r\n<\/code><\/pre>\n
\u3053\u308c\u3067\u5168\u81ea\u52d5\u3067Debug\u30c8\u30ec\u30a4\u30c8\u3068Clone\u30c8\u30ec\u30a4\u30c8\u304c\u5b9f\u88c5\u3055\u308c\u308b\u3002\u3061\u306a\u307f\u306b\u3053\u306e\u7d99\u627f\u306f\u30de\u30af\u30ed\u3067\u5b9f\u88c5\u3055\u308c\u3066\u3044\u308b\u3002\u4eca\u56de\u306f\u7d39\u4ecb\u3057\u306a\u3044\u3051\u3069Rust\u306f\u30de\u30af\u30ed\u304c\u304b\u306a\u308a\u5f37\u529b\u3002\u5b9f\u306fprintln!\u3068\u304bvec!\u3068\u304b\u3082\u30de\u30af\u30ed\u3002<\/p>\n
\u30c8\u30ec\u30a4\u30c8\u5883\u754c<\/h1>\n
 \/\/\u3053\u308c\u3067Debug\u3092\u5b9f\u88c5\u3057\u3066\u3044\u308b\u578b\u306a\u3089\u3070\u306a\u3093\u3067\u3082\u5f15\u6570\u306b\u53d6\u308c\u308b\u3002<\/span>\r\n fn<\/span> trait_bound_test<\/span>(<\/span>ref<\/span> debagable_sometiong<\/span>:<\/span>impl<\/span> Debug<\/span>){<\/span>\r\n    println!<\/span>(<\/span>\"{debagable_sometiong:?}\"<\/span>);<\/span>\r\n }<\/span>\r\n \r\n trait_bound_test<\/span>(<\/span>10<\/span>);<\/span>\r\n trait_bound_test<\/span>(<\/span>10.0<\/span>);<\/span>\r\n trait_bound_test<\/span>(<\/span>\"123\"<\/span>);<\/span>\r\n<\/code><\/pre>\n
\u30bf\u30d7\u30eb<\/h1>\n
 let<\/span> tens<\/span> =<\/span> (<\/span>10<\/span>,<\/span>10.0<\/span>,<\/span>\"ten\"<\/span>);<\/span>\r\n<\/code><\/pre>\n
\u7c21\u5358\u306b\u30bf\u30d7\u30eb\u304c\u751f\u6210\u3067\u304d\u308b\u306e\u3067\u3001\u95a2\u6570\u304b\u3089\u8907\u6570\u306e\u623b\u308a\u5024\u3092\u8fd4\u3059\u306e\u3082\u7c21\u5358\u3002<\/p>\n
\u30d1\u30bf\u30fc\u30f3\u30de\u30c3\u30c1\u30f3\u30b0(\u767a\u5c55)<\/h1>\n
 let<\/span> tens<\/span> =<\/span> (<\/span>10<\/span>,<\/span>10.0<\/span>,<\/span>\"ten\"<\/span>);<\/span> \r\n let<\/span> (<\/span>a<\/span>,<\/span>b<\/span>,<\/span>c<\/span>)<\/span> =<\/span> tens<\/span>;<\/span>\/\/\u3053\u308c\u3067\u5206\u89e3\u3067\u304d\u308b\u3002<\/span>\r\n println!<\/span>(<\/span>\"{a},{b},{c}\"<\/span>);<\/span>\r\n \r\n let<\/span> x<\/span> =<\/span> Some<\/span>(<\/span>10<\/span>);<\/span>\r\n \/\/\u30d1\u30bf\u30fc\u30f3\u304c\u30de\u30c3\u30c1\u3057\u305f\u6642\u3060\u3051\u5185\u90e8\u304c\u5b9f\u884c\u3055\u308c\u308b\u3002<\/span>\r\n if<\/span> let<\/span> Some<\/span>(<\/span>i<\/span>)<\/span> =<\/span> x<\/span>{<\/span>\r\n \tprintln!<\/span>(<\/span>\"{i}\"<\/span>);<\/span>\r\n }<\/span>\r\n \r\n \/\/\u53ef\u5909\u501f\u7528\u3092\u8981\u6c42\u3059\u308b<\/span>\r\n if<\/span> let<\/span> Some<\/span>(<\/span>ref<\/span> mut<\/span> i<\/span>)<\/span> =<\/span> x<\/span>{<\/span>\r\n  \t*<\/span>i<\/span> =<\/span> 30<\/span>;<\/span>\r\n }<\/span>\r\n println!<\/span>(<\/span>\"{}\"<\/span>,<\/span>x<\/span>.unwrap<\/span>());<\/span>\r\n \r\n \/\/\u6570\u5024\u3082\u30de\u30c3\u30c1\u3067\u304d\u308b(\u306a\u305c\u304b)<\/span>\r\n let<\/span> x<\/span> =<\/span> 10<\/span>;<\/span>\r\n match<\/span> x<\/span>{<\/span>\r\n \t1<\/span>..=<\/span>5<\/span> =><\/span> (),<\/span>\/\/\u4f55\u3082\u3057\u306a\u3044<\/span>\r\n \t6<\/span>..=<\/span>10<\/span> =><\/span> x<\/span>*=<\/span>2<\/span>,<\/span>\r\n   \t_<\/span> =><\/span> x<\/span> =<\/span> 0<\/span>,<\/span>\r\n }<\/span>\r\n println!<\/span>(<\/span>\"{x}\"<\/span>);<\/span>\r\n \r\n let<\/span> student<\/span> =<\/span> Student<\/span>::<\/span>new<\/span>(<\/span>\"umehara\"<\/span>.to_string<\/span>(),<\/span>2620211026<\/span>);<\/span>\r\n \/\/\u5b9f\u306flet\u306f\u5909\u6570\u5b9a\u7fa9\u3067\u306f\u306a\u304f\u30d1\u30bf\u30fc\u30f3\u30de\u30c3\u30c1\u30f3\u30b0\u3092\u3059\u308b\u7269\u3060\u3063\u305f\u3002<\/span>\r\n let<\/span> Student<\/span>{<\/span>id<\/span>:<\/span>i<\/span>,<\/span>name<\/span>:<\/span>n<\/span>}<\/span> =<\/span> student<\/span>;<\/span>\r\n println!<\/span>(<\/span>\"{i},{n}\"<\/span>);<\/span>\r\n<\/code><\/pre>\n
\u30af\u30ed\u30fc\u30b8\u30e3<\/h1>\n
 let<\/span> f<\/span> =<\/span> |<\/span>lhs<\/span>,<\/span>rhs<\/span>|{<\/span>lhs<\/span>*<\/span>rhs<\/span>};<\/span>\r\n println!<\/span>(<\/span>\"{}\"<\/span>,<\/span>f<\/span>(<\/span>1<\/span>,<\/span>2<\/span>));<\/span>\r\n<\/code><\/pre>\n
\u5f15\u6570\u306e\u578b\u3068\u304b\u623b\u308a\u5024\u3068\u304b\u304c\u578b\u63a8\u8ad6\u3067\u6c7a\u5b9a\u3055\u308c\u308b\u3002<\/p>\n
\u7df4\u7fd2\u554f\u984c<\/h1>\n
\u884c\u5217\u306e\u8a08\u7b97\u3092\u884c\u3046\u69cb\u9020\u4f53\u3092\u4f5c\u3063\u3066\u307f\u3088\u3046\u3002
\n\u8db3\u3057\u7b97\u3001\u639b\u3051\u7b97\u3001\u30b9\u30ab\u30e9\u30fc\u500d\u3001\u884c\u5217\u5f0f\u3001\u8ee2\u7f6e\u3001\u9006\u884c\u5217\u3092\u5b9a\u7fa9\u51fa\u6765\u305f\u3089\u5b8c\u6210\u3002<\/p>\n
\u3061\u306a\u307f\u306b\u30c8\u30ec\u30a4\u30c8\u306e\u5b9f\u88c5\u3068\u3044\u3046\u5f62\u3067\u6f14\u7b97\u5b50\u306e\u3075\u308b\u307e\u3044\u3092\u5b9a\u7fa9\u3067\u304d\u308b\u3002
\n\u53c2\u8003<\/p>\n
\u30b8\u30a7\u30cd\u30ea\u30af\u30b9<\/h1>\n
 struct<\/span> Pair<\/span><<\/span>T<\/span>><\/span> {<\/span>\r\n    first<\/span>:<\/span>T<\/span>,<\/span>\r\n    second<\/span>:<\/span>T<\/span>,<\/span>\r\n\t}<\/span>\r\n\t\r\n\timpl<\/span><<\/span>T<\/span>><\/span> Pair<\/span><<\/span>T<\/span>><\/span>{<\/span>\r\n\t\tfn<\/span> new<\/span>(<\/span>fitst<\/span>:<\/span>T<\/span>,<\/span>second<\/span>:<\/span>T<\/span>)<\/span>->Self<\/span>{<\/span>\r\n\t\t\tPair<\/span><<\/span>T<\/span>><\/span>{<\/span>\r\n\t\t\t\tfirst<\/span>,<\/span>\r\n\t\t\t\tsecond<\/span>,<\/span>\r\n\t\t\t}<\/span>\r\n\t\t}<\/span>\r\n\t}<\/span>\r\n\t\r\n\t\/\/Debug\u30c8\u30ec\u30a4\u30c8(+\u6f14\u7b97)\u3092\u5b9f\u88c5\u3057\u3066\u3044\u308b\u578b\u3060\u3051\u306b\u9650\u5b9a\u3059\u308b<\/span>\r\n\timpl<\/span><<\/span>T<\/span>:<\/span>Debug<\/span>><\/span> Pair<\/span><<\/span>T<\/span>><\/span>{<\/span>\r\n \t\tfn<\/span> print<\/span>(<\/span>fitst<\/span>:<\/span>T<\/span>,<\/span>second<\/span>:<\/span>T<\/span>){<\/span>\r\n \t\t\tprintln!<\/span>(<\/span>\"({first:?},{second:?})\"<\/span>);<\/span>\r\n \t\t}<\/span>\r\n \t}<\/span>\r\n\t\r\n\t\/\/\u578b\u3060\u3051\u3067\u306f\u306a\u304f\u6570\u5024\u3082\u6271\u3048\u308b\u3002<\/span>\r\n\tstruct<\/span> arr<\/span><<\/span>const<\/span> i<\/span>:<\/span>usize<\/span>><\/span>{<\/span>\r\n    item<\/span>:[<\/span>i32<\/span>;<\/span>i<\/span>],<\/span>\r\n\t}<\/span>\r\n<\/code><\/pre>\n
\u6700\u7d42\u554f\u984c(\u6ca1)<\/h1>\n
\u554f\u984c\u4f5c\u3063\u305f\u306f\u3044\u3044\u3051\u3069\u96e3\u3057\u3059\u304e\u308b\u306e\u3067\u6ca1\u306b\u3057\u305f\u3002\u3084\u3063\u3066\u307f\u308b\u4eba\u306f\u8aac\u660e\u3057\u3066\u306a\u3044\u3051\u3069\u30e9\u30a4\u30d5\u30bf\u30a4\u30e0\u6ce8\u91c8\u3068\u3044\u3046\u6982\u5ff5\u304c\u51fa\u3066\u304f\u308b\u306e\u3067\u9811\u5f35\u3063\u3066\u3002<\/p>\n
i32\u3092\u683c\u7d0d\u3059\u308b\u7247\u65b9\u5411\u7dda\u5f62\u30ea\u30b9\u30c8\u3092\u5b9f\u88c5\u3057\u3066\u307f\u3088\u3046\u3002
\n\u7247\u65b9\u5411\u7dda\u5f62\u30ea\u30b9\u30c8\u3068\u306f…
\nhttps:\/\/ja.wikipedia.org\/wiki\/\u9023\u7d50\u30ea\u30b9\u30c8#:~:text=%5B\u7de8\u96c6%5D-,\u7dda\u5f62\u30ea\u30b9\u30c8,-%5B\u7de8\u96c6%5D<\/p>\n
\u672b\u5c3e\u3078\u306e\u30c7\u30fc\u30bf\u306e\u8ffd\u52a0\u3001\u524a\u9664\u3068\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u3066\u3001\u6a19\u6e96\u51fa\u529b\u306b\u51fa\u305b\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u3089\u5b8c\u6210\u3002<\/p>\n
\u767a\u5c55<\/h3>\n
\u2460i32\u3060\u3051\u3067\u306f\u306a\u304f\u5168\u90e8\u306e\u578b\u306b\u5bfe\u5fdc\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u3066\u307f\u3088\u3046
\n\u2461\u30a4\u30c6\u30ec\u30fc\u30bf\u3092\u751f\u6210\u3059\u308b\u95a2\u6570\u3092\u4f5c\u3063\u3066for\u6587\u3067\u4f7f\u3048\u308b\u3088\u3046\u306b\u3057\u3066\u307f\u3088\u3046
\nhttps:\/\/doc.rust-lang.org\/std\/iter\/trait.Iterator.html \u3053\u308c\u306enext\u3060\u3051\u5b9f\u88c5\u3059\u308c\u3070\u826f\u3044\u3002
\n\u2462\u672b\u5c3e\u4ee5\u5916\u306b\u3082\u8ffd\u52a0\u3001\u524a\u9664\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u3066\u307f\u3088\u3046<\/p>\n
\u30d2\u30f3\u30c8<\/h1>\n
struct<\/span> Node<\/span><<\/span>'a<\/span>><\/span>{<\/span>\r\n   item<\/span>:<\/span>i32<\/span>,<\/span>\r\n   next<\/span>:<\/span>&<\/span>'a<\/span> mut<\/span> Node<\/span><<\/span>'a<\/span>><\/span>,<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
\u4e0b\u6e96\u5099 Rust\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb https:\/\/www.rust-lang.org\/ja\/learn\/get- […]<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-45705","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\/45705-2\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:description\" content=\"\u4e0b\u6e96\u5099 Rust\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb https:\/\/www.rust-lang.org\/ja\/learn\/get- […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/45705-2\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-21T04:57:43+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-04-28T16:22:33+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d606537434c4406cfadd4\/3-0.png\" \/>\n<meta name=\"author\" content=\"\u5b87, \u534e\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u5b87, \u534e\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/45705-2\/\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/45705-2\/\",\"name\":\"- Blog - Silicon Cloud\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#website\"},\"datePublished\":\"2023-07-21T04:57:43+00:00\",\"dateModified\":\"2024-04-28T16:22:33+00:00\",\"author\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/513018e4e121d3add1b7c5de8be21458\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.silicloud.com\/zh\/blog\/45705-2\/\"]}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#website\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/\",\"name\":\"Blog - 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