{"id":45433,"date":"2023-04-06T04:36:03","date_gmt":"2023-05-18T08:38:00","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/45433-2\/"},"modified":"2024-04-29T22:09:28","modified_gmt":"2024-04-29T14:09:28","slug":"45433-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/45433-2\/","title":{"rendered":""},"content":{"rendered":"

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

\u6700\u8fd1\u300cRust\u304c\u3059\u3054\u3044\u300d\u3063\u3066\u8a00\u8449\u3092\u3088\u304f\u805e\u304d\u307e\u3059\u3002\u5b9f\u969b\u50d5\u3082\u4e0a\u53f8\u306b\u300cRust\u306f\u3044\u3044\u305e\u300d\u3063\u3066\u8a00\u308f\u308c\u3066Rust\u306b\u8208\u5473\u3092\u6301\u3061\u307e\u3057\u305f\u3002
\nRust\u306f\u9ad8\u901f\u3067\u5b89\u5168\u3068\u3044\u3046\u3053\u3068\u304c\u3088\u304f\u8a00\u308f\u308c\u307e\u3059\u3002\u3067\u3082\u5b9f\u969b\u306b\u3069\u3046\u3057\u3066\u9ad8\u901f\u3067\u5b89\u5168\u306a\u306e\u304b\u304c\u3044\u307e\u3044\u3061\u3088\u304f\u308f\u304b\u308a\u307e\u305b\u3093\u3002\u305d\u3053\u3067\u4eca\u56de\u306f\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u304c\u88cf\u3067\u3069\u3046\u3044\u3063\u305f\u51e6\u7406\u3092\u3057\u3066\u3044\u308b\u304b\u3092\u898b\u3064\u3064\u3001Rust\u306e\u3069\u3046\u3044\u3063\u305f\u70b9\u304c\u9ad8\u901f\u3067\u5b89\u5168\u306a\u306e\u304b\u8003\u3048\u3066\u307f\u3088\u3046\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n

\u203b1\/16 \u4f8b\u3068\u3057\u3066\u4e0a\u3052\u3066\u3044\u305f\u30b3\u30fc\u30c9\u304c\u52d5\u304b\u306a\u3044\u3082\u306e\u3060\u3063\u305f\u305f\u3081\u4fee\u6b63\u3057\u307e\u3057\u305f\u3002\u3064\u3044\u3067\u306b\u7701\u7565\u3057\u3066\u3044\u305fmain\u95a2\u6570\u3084use\u6587\u3082\u8ffd\u52a0\u3057\u3066\u3044\u307e\u3059<\/p>\n

\u30b9\u30bf\u30c3\u30af\u9818\u57df\u3068\u30d2\u30fc\u30d7\u9818\u57df<\/h2>\n

\u4e00\u822c\u306b\u51e6\u7406\u4e2d\u306b\u5024\u3092\u4fdd\u6301\u3059\u308b\u5834\u6240\u3068\u3057\u3066\u30b9\u30bf\u30c3\u30af\u9818\u57df\u3068\u30d2\u30fc\u30d7\u9818\u57df\u3068\u3044\u3046\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002Rust\u306f\u305d\u306e\u3046\u3061\u30b9\u30bf\u30c3\u30af\u9818\u57df\u3092\u4e3b\u306b\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n

\u30b9\u30bf\u30c3\u30af\u9818\u57df\u306f\u9ad8\u901f\u306b\u51e6\u7406\u304c\u3067\u304d\u308b\u4e00\u65b9\u3067\u3001\u4e8b\u524d\u306b\u5272\u308a\u5f53\u3066\u308b\u9818\u57df\u3092\u6c7a\u5b9a\u3059\u308b(\u9759\u7684\u306a\u5b9a\u7fa9)\u5fc5\u8981\u304c\u3042\u308a\u3001\u878d\u901a\u304c\u52b9\u304d\u306b\u304f\u3044\u3068\u3044\u3046\u9762\u304c\u3042\u308a\u307e\u3059\u3002
\n\u30d2\u30fc\u30d7\u9818\u57df\u306f\u305d\u306e\u9006\u3067\u5b9f\u884c\u6642\u306b\u305d\u306e\u5834\u3067\u9818\u57df\u3092\u5272\u308a\u5f53\u3066\u308b\u3053\u3068(\u52d5\u7684\u306a\u5b9a\u7fa9)\u304c\u3067\u304d\u308b\u4ee3\u308f\u308a\u306b\u5b9f\u884c\u306f\u9045\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n

Rust\u304c\u4ed6\u306e\u8a00\u8a9e\u3068\u6bd4\u3079\u3066\u9ad8\u901f\u3068\u8a00\u308f\u308c\u308b\u306e\u306fRust\u304c\u30b9\u30bf\u30c3\u30af\u9818\u57df\u3092\u4e3b\u306b\u4f7f\u7528\u3057\u3066\u3044\u308b\u304b\u3089\u3067\u3059\u3002\u578b\u306b\u3088\u3063\u3066\u5909\u6570\u306e\u30b5\u30a4\u30ba\u3092\u6c7a\u5b9a\u3057\u3066\u3044\u308b\u305f\u3081\u30b9\u30bf\u30c3\u30af\u9818\u57df\u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u3066\u3044\u307e\u3059\u3002Java, Python, Ruby\u306f\u30d2\u30fc\u30d7\u9818\u57df\u3092\u4e3b\u306b\u4f7f\u7528\u3057\u3066\u3044\u308b\u305f\u3081Rust\u3068\u6bd4\u3079\u3066\u51e6\u7406\u304c\u9045\u304f\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002C\u3082\u30b9\u30bf\u30c3\u30af\u9818\u57df\u3092\u6d3b\u7528\u3057\u3066\u3044\u308b\u305f\u3081Rust\u3068\u540c\u3058\u304f\u3089\u3044\u65e9\u3044\u3067\u3059\u304c\u3001C\u306f\u30d2\u30fc\u30d7\u9818\u57df\u3092\u6271\u3046\u3068\u304d\u306bmalloc\u3068free\u3092\u66f8\u304f\u5fc5\u8981\u304c\u3042\u308a\u3001\u7ba1\u7406\u304c\u96e3\u3057\u3044\u3067\u3059\u3002<\/p>\n

\u30bc\u30ed\u30b3\u30b9\u30c8\u62bd\u8c61\u5316<\/h2>\n

Rust\u306e\u7279\u5fb4\u306e\uff11\u3064\u306b\u30bc\u30ed\u30b3\u30b9\u30c8\u62bd\u8c61\u5316\u3068\u3044\u3046\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u62bd\u8c61\u5316\u3057\u305f\u30b3\u30fc\u30c9\u3092\u306a\u308b\u3079\u304f\u30b3\u30f3\u30d1\u30a4\u30eb\u306e\u6bb5\u968e\u3067\u5177\u4f53\u5316\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u5b9f\u884c\u6642\u306e\u51e6\u7406\u3092\u8efd\u304f\u3059\u308b\u3068\u3044\u3046\u3082\u306e\u3067\u3059\u3002<\/p>\n

\u62bd\u8c61\u5316\u3068\u306f\uff1f<\/h4>\n

\u62bd\u8c61\u5316\u306f\u8907\u96d1\u306a\u30b7\u30b9\u30c6\u30e0\u3092\u5206\u5272\u3057\u3066\u500b\u3005\u306e\u51e6\u7406\u3092\u3072\u3068\u307e\u3068\u3081\u306b\u3059\u308b\u3053\u3068\u3067\u5168\u4f53\u306e\u5185\u5bb9\u3092\u628a\u63e1\u3057\u3084\u3059\u304f\u3059\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n

\u4f8b\u3048\u3070\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u5143\u306e\u6570\u5b57\u306b1\u3092\u8db3\u3057\u3066\u305d\u308c\u3092\u51fa\u529b\u3059\u308b\u51e6\u7406\u304c\u3042\u3063\u305f\u3068\u3057\u307e\u3059\u3002<\/p>\n

fn<\/span> increment_print<\/span>(<\/span>mut<\/span> i<\/span>:<\/span> i32<\/span>)<\/span> -><\/span> i32<\/span> {<\/span>\r\n  i<\/span> +=<\/span> 1<\/span>;<\/span>\r\n  println!<\/span>(<\/span>\"{}\"<\/span>,<\/span> i<\/span>);<\/span>\r\n  i<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u3053\u306e\u51e6\u7406\u3092\u666e\u901a\u306b\u8907\u6570\u66f8\u304f\u3068\u30b3\u30fc\u30c9\u306f\u5197\u9577\u306b\u306a\u308a\u3001\u4f55\u3092\u3057\u3066\u3044\u308b\u306e\u304b\u304c\u3064\u304b\u307f\u306b\u304f\u304f\u306a\u308a\u307e\u3059<\/p>\n
fn<\/span> main<\/span>()<\/span> {<\/span>\r\n  let<\/span> mut<\/span> i<\/span> =<\/span> 0<\/span>;<\/span>\r\n  i<\/span> +=<\/span> 1<\/span>;<\/span>\r\n  println!<\/span>(<\/span>\"{}\"<\/span>,<\/span> i<\/span>);<\/span>\r\n  i<\/span> +=<\/span> 1<\/span>;<\/span>\r\n  println!<\/span>(<\/span>\"{}\"<\/span>,<\/span> i<\/span>);<\/span>\r\n  i<\/span> +=<\/span> 1<\/span>;<\/span>\r\n  println!<\/span>(<\/span>\"{}\"<\/span>,<\/span> i<\/span>);<\/span>\r\n  println!<\/span>(<\/span>\"{}\"<\/span>,<\/span> i<\/span>);<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u305d\u3053\u3067\u51e6\u7406\u3092\u307e\u3068\u307e\u308a\u3068\u3057\u3066\u8a18\u8ff0\u3059\u308b\u3053\u3068\u3067\u4f55\u3092\u3057\u3066\u3044\u308b\u304b\u3092\u308f\u304b\u308a\u3084\u3059\u304f\u3059\u308b\u306e\u304c\u62bd\u8c61\u5316\u3067\u3059\u3002
\n(\u3053\u306e\u4f8b\u3067\u306f\u52b9\u679c\u306f\u4f1d\u308f\u308a\u306b\u304f\u3044\u3067\u3059\u304c\u5b9f\u969b\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3082\u3063\u3068\u9577\u3044\u51e6\u7406\u3092\u62bd\u8c61\u5316\u3059\u308b\u306e\u3067\u52b9\u679c\u304c\u304a\u304a\u304d\u304f\u306a\u308a\u307e\u3059)<\/p>\n
fn<\/span> main<\/span>()<\/span> {<\/span>\r\n  let<\/span> mut<\/span> i<\/span> =<\/span> 0<\/span>;<\/span>\r\n  i<\/span> =<\/span> increment_print<\/span>(<\/span>i<\/span>);<\/span>\r\n  i<\/span> =<\/span> increment_print<\/span>(<\/span>i<\/span>);<\/span>\r\n  i<\/span> =<\/span> increment_print<\/span>(<\/span>i<\/span>);<\/span>\r\n  println!<\/span>(<\/span>\"{}\"<\/span>,<\/span> i<\/span>);<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u30bc\u30ed\u30b3\u30b9\u30c8\u62bd\u8c61\u5316\u3068\u306f<\/h4>\n
\u901a\u5e38\u3001\u62bd\u8c61\u5316\u3057\u305f\u30b3\u30fc\u30c9\u3092\u8aad\u307f\u8fbc\u3080\u3068\u304d\u306f\u5b9f\u884c\u6642\u306b\u62bd\u8c61\u5316\u3057\u305f\u30af\u30e9\u30b9\u306e\u30b3\u30fc\u30c9\u3092\u53c2\u7167\u3057\u306b\u3044\u304d\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u305d\u306e\u53c2\u7167\u306e\u969b\u306b\u6642\u9593\u304c\u304b\u304b\u3063\u3066\u3057\u307e\u3063\u305f\u308a\u53c2\u7167\u7d50\u679c\u3092\u4fdd\u5b58\u3057\u3088\u3046\u3068\u3057\u3066\u30e1\u30e2\u30ea\u304c\u4f7f\u308f\u308c\u3066\u3057\u307e\u3063\u305f\u308a\u3057\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n
\u305d\u3053\u3067Rust\u3067\u306f\u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u306b\u306a\u308b\u3079\u304f\u8aad\u307f\u8fbc\u307f\u3092\u884c\u3046\u3053\u3068\u306b\u3088\u3063\u3066\u62bd\u8c61\u5316\u306b\u3088\u308b\u901f\u5ea6\u3001\u30e1\u30e2\u30ea\u7684\u306a\u30b3\u30b9\u30c8\u3092\u6700\u5c0f\u9650\u306b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u305f\u3060\u3057\u3001\u3053\u306e\u65b9\u6cd5\u306b\u306f\uff11\u3064\u554f\u984c\u304c\u3042\u308a\u307e\u3059\u3002\u62bd\u8c61\u5316\u3057\u305f\u30b3\u30fc\u30c9\u306e\u5185\u5bb9\u304c\u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u306b\u5224\u660e\u3057\u3066\u306a\u3044\u5834\u5408\u8aad\u307f\u8fbc\u307f\u304c\u3067\u304d\u306a\u304f\u306a\u3063\u3066\u3057\u307e\u3046\u306e\u3067\u3059\u3002<\/p>\n
\uff11\u3064\u4f8b\u3092\u8003\u3048\u3066\u307f\u307e\u3059\u3002<\/p>\n
trait<\/span> Human<\/span> {<\/span>\r\n  fn<\/span> put_gender<\/span>(<\/span>&<\/span>self<\/span>);<\/span>\r\n}<\/span>\r\n\r\nstruct<\/span> Man<\/span>;<\/span>\r\nstruct<\/span> Woman<\/span>;<\/span>\r\n\r\nimpl<\/span> Human<\/span> for<\/span> Man<\/span> {<\/span>\r\n  fn<\/span> put_gender<\/span>(<\/span>&<\/span>self<\/span>)<\/span> {<\/span>\r\n    println!<\/span>(<\/span>\"male\"<\/span>);<\/span>\r\n  }<\/span>\r\n}<\/span>\r\n\r\nimpl<\/span> Human<\/span> for<\/span> Woman<\/span> {<\/span>\r\n  fn<\/span> put_gender<\/span>(<\/span>&<\/span>self<\/span>)<\/span> {<\/span>\r\n    println!<\/span>(<\/span>\"female\"<\/span>);<\/span>\r\n  }<\/span>\r\n}<\/span>\r\n\r\nfn<\/span> main<\/span>()<\/span> {<\/span>\r\n  let<\/span> human_vec<\/span>:<\/span> Vec<\/span><<\/span>Human<\/span>><\/span> =<\/span> vec!<\/span>[<\/span>Man<\/span>,<\/span> Woman<\/span>];<\/span>\r\n  for<\/span> human<\/span> in<\/span> human_vec<\/span> {<\/span>\r\n    human<\/span>.put_gender<\/span>();<\/span>\r\n  }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u3053\u306e\u30b3\u30fc\u30c9\u3067\u306fHuman\u30c8\u30ec\u30a4\u30c8\u306bMan, Woman\u3068\u3044\u3046\u69cb\u9020\u4f53\u3092\u4f5c\u3063\u3066\u3044\u307e\u3059\u3002
\n(\u30c8\u30ec\u30a4\u30c8\u306f\u30af\u30e9\u30b9\u3084\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306b\u8fd1\u3044\u3082\u306e\u3060\u3068\u8003\u3048\u3066\u304f\u3060\u3055\u3044)
\n\u6700\u5f8c\u306bHuman\u306e\u914d\u5217\u3092\u4f5c\u308a\u3001\u305d\u308c\u305e\u308c\u3067put_gender\u3092\u8aad\u3093\u3067\u3044\u307e\u3059\u304c\u3053\u308c\u306f\u3046\u307e\u304f\u3044\u304d\u307e\u305b\u3093\u3002\u305d\u308c\u306f\u30b3\u30f3\u30d1\u30a4\u30eb\u6bb5\u968e\u3067human_vec\u306b\u3042\u308b\u500b\u3005\u306ehuman\u304cman\u304bwoman\u304b\u5224\u65ad\u3067\u304d\u3066\u3044\u306a\u3044\u305f\u3081\u3067\u3059\u3002\u3053\u306e\u3088\u3046\u306a\u5834\u5408\u3001Rust\u3067\u306f\u3053\u306e\u3088\u3046\u306b\u578b\u3092\u5b9a\u7fa9\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
let<\/span> human_vec<\/span>:<\/span> Vec<\/span><<\/span>Box<\/span><<\/span>dyn<\/span> Human<\/span>>><\/span> =<\/span> vec!<\/span>[<\/span>Box<\/span>::<\/span>new<\/span>(<\/span>Man<\/span>),<\/span> Box<\/span>::<\/span>new<\/span>(<\/span>Woman<\/span>)];<\/span>\r\n<\/code><\/pre>\n
Box\u306f\u5148\u7a0b\u8ff0\u3079\u305f\u30d2\u30fc\u30d7\u9818\u57df\u3092\u4f7f\u3046\u305f\u3081\u306e\u5ba3\u8a00\u3067\u3059\u3002\u3053\u308c\u306b\u3088\u3063\u3066Human\u306e\u4e2d\u8eab\u306b\u95a2\u308f\u3089\u305a\u30e1\u30e2\u30ea\u3092\u52d5\u7684\u306b\u78ba\u4fdd\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002dyn\u3092\u4f7f\u3046\u3053\u3068\u306b\u3088\u3063\u3066\u578b\u306e\u5185\u5bb9\u3082\u52d5\u7684\u306b\u6c7a\u5b9a\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u3053\u306e\u3088\u3046\u306b\u30bc\u30ed\u30b3\u30b9\u30c8\u62bd\u8c61\u5316\u3067\u306f\u57fa\u672c\u7684\u306b\u62bd\u8c61\u5316\u306b\u3088\u308b\u901f\u5ea6\u306e\u4f4e\u4e0b\u306a\u3069\u306f\u5c11\u306a\u304f\u306a\u308a\u3001\u7d50\u679c\u7684\u306b\u51e6\u7406\u306f\u9ad8\u901f\u306b\u306a\u308a\u307e\u3059\u304c\u3001\u4e00\u65b9\u3067\u578b\u3092\u52d5\u7684\u306b\u6c7a\u5b9a\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3068\u304d\u306fdyn\u306a\u3069\u306e\u8a18\u8ff0\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
\u5024\u306e\u6240\u6709\u6a29<\/h2>\n
Rust\u306b\u306f\u6240\u6709\u6a29\u3068\u3044\u3046\u6982\u5ff5\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u6240\u6709\u6a29\u3068\u3044\u3046\u8003\u3048\u65b9\u306b\u3088\u3063\u3066\u30e1\u30e2\u30ea\u306e\u78ba\u4fdd\u3001\u958b\u653e\u3092\u5b89\u5168\u306b\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u30b3\u30d4\u30fc\u30bb\u30de\u30f3\u30c6\u30a3\u30af\u30b9\u3068\u30e0\u30fc\u30d6\u30bb\u30de\u30f3\u30c6\u30a3\u30af\u30b9<\/h4>\n
\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u30b3\u30fc\u30c9\u306b\u306f\u51e6\u7406\u3054\u3068\u306b\u69d8\u3005\u306a\u610f\u5473\u304c\u8fbc\u3081\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u8fbc\u3081\u3089\u308c\u305f\u610f\u5473\u306e\u3053\u3068\u3092\u30bb\u30de\u30f3\u30c6\u30a3\u30c3\u30af\u30b9\u3068\u3044\u3044\u307e\u3059\u3002<\/p>\n
\u4e00\u822c\u7684\u306a\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u3067\u306f\u30b3\u30d4\u30fc\u30bb\u30de\u30f3\u30c6\u30a3\u30af\u30b9\u304c\u4f7f\u308f\u308c\u3066\u3044\u307e\u3059\u304c\u3001Rust\u3067\u306f\u30e0\u30fc\u30d6\u30bb\u30de\u30f3\u30c6\u30a3\u30af\u30b9\u304c\u4f7f\u308f\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n
a = b\r\n<\/code><\/pre>\n
\u4e0a\u306e\u5f0f\u3092\u5143\u306b\u3053\u308c\u3089\u306e\u9055\u3044\u3092\u8003\u3048\u3066\u307f\u307e\u3059\u3002
\n\u30b3\u30d4\u30fc\u30bb\u30de\u30f3\u30c6\u30a3\u30af\u30b9\u3067\u306f\u4e0a\u306e\u5f0f\u306fb\u306e\u5024\u304ca\u306b\u30b3\u30d4\u30fc\u3055\u308c\u308b\u3068\u8003\u3048\u307e\u3059\u3002
\n\u4e00\u65b9\u3001\u30e0\u30fc\u30d6\u30bb\u30de\u30f3\u30c6\u30a3\u30af\u30b9\u3067\u306fb\u306e\u5024\u306e\u6240\u6709\u6a29\u304ca\u306b\u79fb\u3063\u305f\u3068\u8003\u3048\u307e\u3059\u3002<\/p>\n
\u3053\u308c\u3089\u306f\u4e00\u898b\u7d50\u679c\u7684\u306b\u540c\u3058\u3053\u3068\u3092\u6307\u3057\u3066\u308b\u3088\u3046\u306b\u601d\u3048\u307e\u3059\u304c\u3001\u7d30\u304b\u3044\u3068\u3053\u308d\u3067\u51e6\u7406\u304c\u7570\u306a\u3063\u3066\u304d\u307e\u3059\u3002<\/p>\n
\u4f8b\u3048\u3070\u30b3\u30d4\u30fc\u30bb\u30de\u30f3\u30c6\u30a3\u30af\u30b9\u3060\u3068\u5de6\u8fba\u306b\u5024\u3092\u30b3\u30d4\u30fc\u3059\u308b\u306e\u3067\u7b49\u5f0f\u306e\u5b9f\u73fe\u306b\u5143\u306e\u5024\u306e\uff12\u500d\u306e\u30e1\u30e2\u30ea\u306e\u78ba\u4fdd\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u304c\u3001\u30e0\u30fc\u30d6\u30bb\u30de\u30f3\u30c6\u30a3\u30af\u30b9\u3060\u3068\u5024\u3092\u305d\u306e\u307e\u307e\u8b72\u6e21\u3059\u308b\u306e\u3067\u30e1\u30e2\u30ea\u306e\u78ba\u4fdd\u306f\u5143\u306e\u5024\u306e\u5206\u3067\u5341\u5206\u3067\u3059\u3002\u305d\u306e\u305f\u3081\u30b3\u30d4\u30fc\u30bb\u30de\u30f3\u30c6\u30a3\u30af\u30b9\u3060\u3068\u5024\u306e\u30b5\u30a4\u30ba\u304c\u5927\u304d\u3044\u3068\u304d\u30e1\u30e2\u30ea\u3092\u5727\u8feb\u3059\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
\u5024\u306e\u501f\u7528<\/h4>\n
Rust\u306f\u30e0\u30fc\u30d6\u30bb\u30de\u30f3\u30c6\u30a3\u30af\u30b9\u3092\u4f7f\u3063\u3066\u5024\u306e\u6240\u6709\u6a29\u3092\u7ba1\u7406\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3057\u305f\u3002\u305f\u3060\u3057\u3001\u3053\u306e\u6240\u6709\u6a29\u3068\u3044\u3046\u8003\u3048\u65b9\u3092\u53b3\u683c\u306b\u5f53\u3066\u306f\u3081\u3088\u3046\u3068\u3059\u308b\u3068\u95a2\u6570\u306e\u51e6\u7406\u304c\u8907\u96d1\u306b\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n
\u4f8b\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n
fn<\/span> b<\/span>(<\/span>a<\/span>:<\/span> i32<\/span>)<\/span> -><\/span> i32<\/span> {<\/span>\r\n  println!<\/span>(<\/span>\"{}\"<\/span>,<\/span> a<\/span>);<\/span>\r\n  return<\/span> a<\/span>;<\/span>\r\n}<\/span>\r\n\r\nfn<\/span> main<\/span>()<\/span> {<\/span>\r\n  let<\/span> mut<\/span> a<\/span> =<\/span> 0<\/span>;<\/span>\r\n  a<\/span> =<\/span> b<\/span>(<\/span>a<\/span>);<\/span> \/\/ b(a)\u3068\u306f\u3067\u304d\u306a\u3044<\/span>\r\n  println!<\/span>(<\/span>\"{}\"<\/span>,<\/span> a<\/span>);<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u3053\u306e\u3068\u304d\u3001a = b(a)\u3068\u3044\u3046\u51e6\u7406\u3067\u306fb\u3068\u3044\u3046\u95a2\u6570\u306ba\u3092\u6e21\u3057\u3001\u305d\u306e\u7d50\u679c\u3092\u307e\u305fa\u306b\u6e21\u3057\u3066\u3044\u307e\u3059\u3002\u95a2\u6570\u306ba\u3092\u6e21\u3057\u305f\u3068\u304d\u306b\u6240\u6709\u6a29\u304c\u79fb\u3063\u3066\u3057\u307e\u3063\u3066\u3044\u308b\u305f\u3081\u7d50\u679c\u3092\u8fd4\u3057\u3066\u3082\u3089\u3046\u3053\u3068\u3067\u307e\u305f\u6240\u6709\u6a29\u3092\u53d6\u308a\u623b\u3055\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u306e\u3067\u3059\u3002\u3053\u308c\u3067\u306f\u6bce\u56de\u95a2\u6570\u306f\u5024\u3092\u8fd4\u3059\u3053\u3068\u306b\u306a\u308a\u9762\u5012\u3067\u3059\u3002<\/p>\n
\u305d\u3053\u3067\u4f7f\u308f\u308c\u308b\u306e\u304c\u501f\u7528\u3067\u3059\u3002\u501f\u7528\u306f\u7c21\u5358\u306b\u8a00\u3046\u3068\u5024\u306e\u30a2\u30af\u30bb\u30b9\u6a29(\u53c2\u7167\u3068\u3044\u3044\u307e\u3059)\u3060\u3051\u3092\u6e21\u3059\u65b9\u6cd5\u3067\u3059\u3002\u5b9f\u969b\u306e\u30b3\u30fc\u30c9\u3092\u898b\u3066\u307f\u307e\u3059\u3002<\/p>\n
fn<\/span> b<\/span>(<\/span>a<\/span>:<\/span> &<\/span>i32<\/span>)<\/span> {<\/span>\r\n  println!<\/span>(<\/span>\"{}\"<\/span>,<\/span> a<\/span>);<\/span>\r\n}<\/span>\r\n\r\nfn<\/span> main<\/span>()<\/span> {<\/span>\r\n  let<\/span> a<\/span> =<\/span> 0<\/span>;<\/span>\r\n  b<\/span>(<\/span>&<\/span>a<\/span>);<\/span> \/\/ \u6240\u6709\u6a29\u3092\u6e21\u3057\u3066\u3044\u306a\u3044\u306e\u3067\u5024\u3092\u8fd4\u3059\u5fc5\u8981\u304c\u306a\u3044<\/span>\r\n  println!<\/span>(<\/span>\"{}\"<\/span>,<\/span> a<\/span>);<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
b(&a);\u3068\u3044\u3046\u306e\u304c\u501f\u7528\u3067\u3059\u3002&a\u3068\u3044\u3046\u90e8\u5206\u3067\u5024\u306e\u53c2\u7167\u306e\u307f\u3092\u6e21\u3057\u3066\u3044\u308b\u306e\u3067\u95a2\u6570\u306f\u5024\u3092\u8fd4\u3059\u5fc5\u8981\u304c\u3042\u308a\u307e\u305b\u3093\u3002\u95a2\u6570\u306e\u4e2d\u3067a\u306e\u5024\u3092\u53c2\u7167\u3057\u3066\u51e6\u7406\u3092\u884c\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u501f\u7528\u306e\u5834\u5408\u5024\u306e\u30a2\u30af\u30bb\u30b9\u6a29\u3092\u3082\u3089\u3046\u3060\u3051\u306a\u306e\u3067\u901a\u5e38\u5024\u3092\u5909\u66f4\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002\u3064\u307e\u308a\u3001b(&a)\u306e\u51e6\u7406\u306e\u4e2d\u3067a\u306e\u5024\u3092\u5909\u66f4\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002\u3057\u304b\u3057\u3001b(mut &a)\u3068\u3059\u308c\u3070a\u306e\u5024\u3092\u5909\u66f4\u3059\u308b\u51e6\u7406\u3082\u66f8\u304f\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002(\u53ef\u5909\u306a\u53c2\u7167)<\/p>\n
\u53c2\u7167\u306b\u304a\u3051\u308bRust\u306e\u5b89\u5168\u6027<\/h4>\n
Rust\u3067\u306f\u53ef\u5909\u306a\u53c2\u7167\u306f\uff11\u3064\u3057\u304b\u4f7f\u3046\u3053\u3068\u304c\u3067\u304d\u305a\u3001\u307e\u305f\u3001\u53ef\u5909\u306a\u53c2\u7167\u3068\u901a\u5e38\u306e\u53c2\u7167\u3092\u540c\u6642\u306b\u4f7f\u3046\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002
\n\u3053\u306e\u30eb\u30fc\u30eb\u304cRust\u306e\u5b89\u5168\u6027\u3092\u62c5\u4fdd\u3059\u308b\u5927\u304d\u306a\u8981\u7d20\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u3053\u306e\u30eb\u30fc\u30eb\u304c\u306a\u3044\u3068\u8907\u6570\u306e\u53ef\u5909\u306a\u53c2\u7167\u3092\u4f5c\u6210\u3057\u305f\u3068\u304d\u306b\u5024\u304c\u540c\u6642\u306b\u66f4\u65b0\u3055\u308c\u3066\u3057\u307e\u3046\u53ef\u80fd\u6027\u304c\u3042\u308a\u3001\u52d5\u304b\u3057\u305f\u3068\u304d\u306b\u91cd\u5927\u306a\u4e0d\u5177\u5408\u306b\u3064\u306a\u304c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002Rust\u304c\u5b89\u5168\u3068\u8a00\u308f\u308c\u308b\u6240\u4ee5\u306f\u3053\u3046\u3084\u3063\u3066\u30eb\u30fc\u30eb\u3092\u3057\u3063\u304b\u308a\u6c7a\u3081\u3066\u5371\u967a\u306a\u30b3\u30fc\u30c9\u3092\u3059\u3079\u3066\u30b3\u30f3\u30d1\u30a4\u30eb\u6bb5\u968e\u3067\u30a8\u30e9\u30fc\u306b\u3057\u3066\u3044\u308b\u3068\u3053\u308d\u306b\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u3063\u3066\u5b9f\u969b\u306b\u52d5\u304b\u3059\u30b3\u30fc\u30c9\u3067\u306f\u4e0d\u5177\u5408\u304c\u8d77\u3053\u308a\u306b\u304f\u304f\u306a\u3063\u3066\u3044\u307e\u3059\u3002(\u3082\u3061\u308d\u3093\u30b3\u30f3\u30d1\u30a4\u30eb\u3092\u901a\u3059\u306e\u306f\u305d\u306e\u5206\u5927\u5909\u3067\u3059\u304c…\u7b11)<\/p>\n
\u30b9\u30ec\u30c3\u30c9\u5b89\u5168\u6027<\/h2>\n
\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u3067\u306e\u51e6\u7406\u306f\u5024\u306e\u7af6\u5408\u306a\u3069\u304c\u767a\u751f\u3057\u3084\u3059\u304f\u96e3\u3057\u3044\u51e6\u7406\u3067\u3059\u3002Rust\u306f\u3053\u3053\u3067\u3082\u53b3\u5bc6\u306b\u30eb\u30fc\u30eb\u3092\u5b9a\u3081\u308b\u3053\u3068\u3067\u5b9f\u884c\u6642\u306b\u30a8\u30e9\u30fc\u304c\u51fa\u306b\u304f\u3044\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u901a\u5e38\u306e\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u51e6\u7406<\/h4>\n
Rust\u3067\u306f\u30b9\u30ec\u30c3\u30c9\u51e6\u7406\u306b\u306fthread\u3092\u4f7f\u3044\u307e\u3059\u3002\u4ee5\u4e0b\u306b\u7c21\u5358\u306a\u4f8b\u3092\u793a\u3057\u307e\u3059\u3002
\n(\u5b9f\u8df5Rust\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u5165\u9580\u3088\u308a\u5f15\u7528)<\/p>\n
use<\/span> std<\/span>::<\/span>thread<\/span>;<\/span>\r\n\r\nfn<\/span> main<\/span>()<\/span> {<\/span>\r\n  let<\/span> mut<\/span> handles<\/span> =<\/span> Vec<\/span>::<\/span>new<\/span>();<\/span>\r\n\r\n  for<\/span> x<\/span> in<\/span> 0<\/span>..<\/span>10<\/span> {<\/span>\r\n    handles<\/span>.push<\/span>(<\/span>thread<\/span>::<\/span>spawn<\/span>(<\/span>move<\/span> ||<\/span> {<\/span>\r\n      println!<\/span>(<\/span>\"{}\"<\/span>,<\/span> x<\/span>);<\/span>\r\n    }));<\/span>\r\n  }<\/span>\r\n\r\n  for<\/span> handle<\/span> in<\/span> handles<\/span> {<\/span>\r\n    let<\/span> _<\/span> =<\/span> handle<\/span>.join<\/span>();<\/span>\r\n  }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
thread::spawn\u306b\u3088\u308a\u30d6\u30ed\u30c3\u30af\u5185\u306e\u5185\u5bb9\u3092\u30b9\u30ec\u30c3\u30c9\u3067\u51e6\u7406\u3057\u307e\u3059\u3002\u3053\u3053\u3067\u6ce8\u610f\u3059\u308b\u306e\u306f\u4ee5\u4e0b\u306e\u70b9\u3067\u3059\u3002<\/p>\n
    \n
  • \n
      \u30b9\u30ec\u30c3\u30c9\u306e\u7d42\u4e86\u30bf\u30a4\u30df\u30f3\u30b0\u306f\u78ba\u5b9a\u3057\u306a\u3044\u306e\u3067x\u306e\u30e1\u30e2\u30ea\u304c\u9014\u4e2d\u3067\u958b\u653e\u3055\u308c\u306a\u3044\u3088\u3046move\u3067\u6240\u6709\u6a29\u3092\u79fb\u3059<\/ul>\n<\/li>\n<\/ul>\n
       <\/p>\n
        \u30b9\u30ec\u30c3\u30c9\u306e\u51e6\u7406\u304c\u7d42\u308f\u308b\u524d\u306b\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u7d42\u4e86\u3057\u306a\u3044\u3088\u3046\u306bhandle\u3067\u7d42\u4e86\u5f8c\u306e\u30cf\u30f3\u30c9\u30eb\u3092\u53d7\u3051\u53d6\u308a\u3001handle.join()\u3067\u30b9\u30ec\u30c3\u30c9\u306e\u7d42\u4e86\u3092\u5f85\u3064<\/ul>\n
        \u5171\u6709\u30e1\u30e2\u30ea\u3092\u4f7f\u3046\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u51e6\u7406<\/h4>\n
        \u6b21\u306b\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u5185\u3067\u5171\u901a\u306e\u5024\u3092\u6271\u3046\u5834\u5408\u3092\u8003\u3048\u307e\u3059\u3002\u901a\u5e38Rust\u3067\u306f\u3001\u6240\u6709\u6a29\u304c\u53b3\u3057\u304f\u30c1\u30a7\u30c3\u30af\u3055\u308c\u308b\u305f\u3081\u5171\u901a\u306e\u5024\u3092\u6271\u3046\u3053\u3068\u304c\u3067\u304d\u305a\u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc\u306b\u306a\u308a\u307e\u3059\u3002\u305d\u308c\u3092\u4e57\u308a\u8d8a\u3048\u3066\u6271\u3048\u308b\u3088\u3046\u306b\u3059\u308b\u306b\u306fRc, Arc\u3068\u3044\u3063\u305f\u578b\u3092\u4f7f\u3046\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u307e\u305f\u3001\u5024\u306e\u66f4\u65b0\u3092\u542b\u3080\u5834\u5408\u306b\u306f\u5225\u9014\u6392\u4ed6\u5236\u5fa1\u3092\u884c\u3046Mutex\u3068\u3044\u3046\u578b\u3092\u4f7f\u3046\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
        \u305d\u308c\u305e\u308c
        \nRc \u30fb\u30fb\u30fb\u30b7\u30f3\u30b0\u30eb\u30b9\u30ec\u30c3\u30c9
        \nArc \u30fb\u30fb\u30fb\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9
        \nArc + Mutex \u30fb\u30fb\u30fb\u5024\u306e\u66f4\u65b0\u3092\u542b\u3080\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9
        \n\u3068\u3044\u3046\u3088\u3046\u306b\u4f7f\u3044\u5206\u3051\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n
        Mutex\u306b\u306flock\u3068\u3044\u3046\u95a2\u6570\u304c\u3042\u308a\u3001\u3053\u308c\u3092\u4f7f\u3046\u3053\u3068\u3067\u5024\u3078\u306e\u30a2\u30af\u30bb\u30b9\u304c\u5e38\u306b\uff11\u3064\u306e\u30b9\u30ec\u30c3\u30c9\u304b\u3089\u3057\u304b\u884c\u308f\u308c\u3066\u3044\u306a\u3044\u3053\u3068\u3092\u4fdd\u8a3c\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
        Arc\u3068Mutex\u3092\u4f7f\u3063\u305f\u5834\u5408\u306e\u30b3\u30fc\u30c9\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002
        \n(\u5b9f\u8df5Rust\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u5165\u9580\u3088\u308a\u5f15\u7528)<\/p>\n
        use<\/span> std<\/span>::<\/span>sync<\/span>::{<\/span>Arc<\/span>,<\/span> Mutex<\/span>};<\/span>\r\nuse<\/span> std<\/span>::<\/span>thread<\/span>;<\/span>\r\n\r\nfn<\/span> main<\/span>()<\/span> {<\/span>\r\n  let<\/span> mut<\/span> handles<\/span> =<\/span> Vec<\/span>::<\/span>new<\/span>();<\/span>\r\n  let<\/span> data<\/span> =<\/span> Arc<\/span>::<\/span>new<\/span>(<\/span>Mutex<\/span>::<\/span>new<\/span>(<\/span>vec!<\/span>[<\/span>1<\/span>;<\/span> 10<\/span>]));<\/span>\r\n\r\n  for<\/span> x<\/span> in<\/span> 0<\/span>..<\/span>10<\/span> {<\/span>\r\n    let<\/span> data_ref<\/span> =<\/span> data<\/span>.clone<\/span>();<\/span>\r\n    handles<\/span>.push<\/span>(<\/span>thread<\/span>::<\/span>spawn<\/span>(<\/span>move<\/span> ||<\/span> {<\/span>\r\n      let<\/span> mut<\/span> data<\/span> =<\/span> data_ref<\/span>.lock<\/span>()<\/span>.unwrap<\/span>();<\/span>\r\n      data<\/span>[<\/span>x<\/span>]<\/span> +=<\/span> 1<\/span>;<\/span>\r\n    }));<\/span>\r\n  }<\/span>\r\n\r\n  for<\/span> handle<\/span> in<\/span> handles<\/span> {<\/span>\r\n    let<\/span> _<\/span> =<\/span> handle<\/span>.join<\/span>();<\/span>\r\n  }<\/span>\r\n\r\n  dbg!<\/span>(<\/span>data<\/span>);<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
        data.clone()\u306b\u3088\u308a\u5024\u306e\u6240\u6709\u6a29\u3092\u5f97\u3066\u3044\u308b\u30b9\u30ec\u30c3\u30c9\u306e\u6570\u3092\u7ba1\u7406\u3057\u307e\u3059\u3002\u305d\u306e\u5f8c\u306flock()\u306b\u3088\u308a\u5024\u3092\u66f4\u65b0\u3059\u308b\u30b9\u30ec\u30c3\u30c9\u3092\uff11\u3064\u306b\u5236\u9650\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
        \u30c7\u30fc\u30bf\u901a\u4fe1\u3092\u4f34\u3046\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u51e6\u7406<\/h4>\n
        \u6700\u5f8c\u306b\u30b9\u30ec\u30c3\u30c9\u9593\u3067\u30c7\u30fc\u30bf\u3092\u8ee2\u9001\u3059\u308b\u5834\u5408\u3092\u8003\u3048\u307e\u3059\u3002\u3053\u306e\u5834\u5408\u306fmpsc::channel()\u306b\u3088\u3063\u3066\u9001\u4fe1\u3001\u53d7\u4fe1\u7528\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u4f5c\u6210\u3057\u305d\u308c\u306b\u3088\u3063\u3066\u901a\u4fe1\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n
        use<\/span> std<\/span>::<\/span>sync<\/span>::<\/span>mpsc<\/span>;<\/span>\r\nuse<\/span> std<\/span>::<\/span>thread<\/span>;<\/span>\r\n\r\nfn<\/span> main<\/span>()<\/span> {<\/span>\r\n  let<\/span> (<\/span>tx<\/span>,<\/span> rx<\/span>)<\/span> =<\/span> mpsc<\/span>::<\/span>channel<\/span>();<\/span>\r\n  let<\/span> handle<\/span> =<\/span> thread<\/span>::<\/span>spawn<\/span>(<\/span>move<\/span> ||<\/span> {<\/span>\r\n    let<\/span> data<\/span> =<\/span> rx<\/span>.recv<\/span>()<\/span>.unwrap<\/span>();<\/span>\r\n    println!<\/span>(<\/span>\"{}\"<\/span>,<\/span> data<\/span>);<\/span>\r\n  });<\/span>\r\n\r\n  let<\/span> _<\/span> =<\/span> tx<\/span>.send<\/span>(<\/span>\"data\"<\/span>);<\/span>\r\n  let<\/span> _<\/span> =<\/span> handle<\/span>.join<\/span>();<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
        tx.send()\u306b\u3088\u3063\u3066\u30c7\u30fc\u30bf\u3092\u9001\u308a\u3001rx.recv()\u306b\u3088\u3063\u3066\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
        \u30c8\u30ec\u30a4\u30c8\u306b\u3088\u308b\u30b9\u30ec\u30c3\u30c9\u5b89\u5168\u6027<\/h4>\n
        \u3053\u3053\u307e\u3067\u3067\u30b9\u30ec\u30c3\u30c9\u306e\u51e6\u7406\u306e\u65b9\u6cd5\u3068\u305d\u306e\u969b\u306e\u5236\u7d04\u306b\u3064\u3044\u3066\u898b\u3066\u304d\u3066\u3001Rust\u306f\u51e6\u7406\u306b\u53b3\u3057\u304f\u5236\u7d04\u304c\u304b\u304b\u3063\u3066\u3044\u308b\u3053\u3068\u306b\u3088\u308a\u5b9f\u884c\u6642\u306e\u5b89\u5168\u6027\u304c\u62c5\u4fdd\u3055\u308c\u308b\u3068\u3044\u3046\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3057\u305f\u304c\u3001\u5b9f\u306f\u3053\u308c\u4ee5\u5916\u306b\u3082\u30c8\u30ec\u30a4\u30c8\u306b\u3088\u308b\u5236\u7d04\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
        \u5b9f\u306f\u30c8\u30ec\u30a4\u30c8\u306b\u306fSend\u3084Sync\u3068\u3044\u3046\u3082\u306e\u304c\u3042\u308a\u3001\u3053\u308c\u3089\u3092\u5b9f\u88c5\u3057\u3066\u3044\u306a\u3044\u578b\u3092\u8ee2\u9001\u3001\u5171\u6709\u3057\u3088\u3046\u3068\u3059\u308b\u3068\u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u308c\u304c\u30c8\u30ec\u30a4\u30c8\u306b\u3088\u308b\u5236\u7d04\u3067\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u30b9\u30ec\u30c3\u30c9\u3092\u5229\u7528\u3059\u308b\u3068\u304d\u306f\u4e0b\u624b\u306bSend\u3084Sync\u3092\u5b9f\u88c5\u3057\u3088\u3046\u3068\u3057\u306a\u3044\u9650\u308a\u3061\u3083\u3093\u3068\u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u306b\u5b89\u5168\u6027\u3092\u5224\u65ad\u3057\u3066\u3082\u3089\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
        \u975e\u540c\u671f\u51e6\u7406<\/h2>\n
        \u6700\u5f8c\u306b\u975e\u540c\u671f\u51e6\u7406\u306b\u3064\u3044\u3066\u898b\u3066\u3044\u304d\u307e\u3059\u3002\u975e\u540c\u671f\u51e6\u7406\u306fFuture\u3068\u3044\u3046\u30c8\u30ec\u30a4\u30c8\u306b\u3088\u3063\u3066\u5b9f\u88c5\u3055\u308c\u3001async\u306b\u3088\u3063\u3066\u5236\u5fa1\u3055\u308c\u3001await\u306b\u3088\u3063\u3066\u5024\u304c\u53d7\u3051\u53d6\u3089\u308c\u307e\u3059\u3002<\/p>\n
        Future\u30c8\u30ec\u30a4\u30c8\u306b\u306fPoll\u3068\u3044\u3046\u30e1\u30bd\u30c3\u30c9\u304c\u3042\u308b\u3053\u3068\u304c\u4fdd\u8a3c\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306ePoll\u306f\u51e6\u7406\u306e\u7d50\u679c\u307e\u305f\u306f\u5b9f\u884c\u4e2d\u3067\u3042\u308b\u3053\u3068\u3092\u793a\u3059\u5024Pending\u3092\u8fd4\u3057\u307e\u3059\u3002\u3064\u307e\u308aFuture\u306b\u3088\u3063\u3066\u51e6\u7406\u304c\u7d42\u308f\u3063\u3066\u3044\u308c\u3070\u305d\u306e\u7d50\u679c\u3092\u3001\u7d42\u308f\u3063\u3066\u306a\u3051\u308c\u3070Penging\u3092\u8fd4\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306f\u975e\u540c\u671f\u51e6\u7406\u3067\u3084\u308a\u305f\u3044\u3053\u3068\u305d\u306e\u3082\u306e\u3067\u3059\u3002<\/p>\n
        \u3053\u306eFuture\u3092\u6271\u3046\u306b\u306fasync\u3092\u4f7f\u3044\u307e\u3059\u3002async\u306fFuture\u30c8\u30ec\u30a4\u30c8\u3092\u5b9f\u88c5\u3057\u305f\u578b\u3092\u8fd4\u3059\u51e6\u7406\u3092\u8868\u73fe\u3057\u307e\u3059\u3002<\/p>\n
        async\u306f\u30d6\u30ed\u30c3\u30af\u3068\u3057\u3066\u7528\u3044\u308b\u5834\u5408\u3068\u95a2\u6570\u306e\u982d\u3067\u5ba3\u8a00\u3059\u308b\u5834\u5408\u306e\uff12\u901a\u308a\u306e\u8868\u73fe\u304c\u3042\u308a\u307e\u3059\u3002\u4ee5\u4e0b\u306e\uff12\u3064\u306e\u4f8b\u306f\u540c\u3058\u5185\u5bb9\u3092\u8868\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
        async<\/span> fn<\/span> async_method<\/span>(<\/span>a<\/span>:<\/span> i32<\/span>)<\/span> -><\/span> i32<\/span> {<\/span>\r\n  ...<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
        fn<\/span> async_method<\/span>(<\/span>a<\/span>:<\/span> i32<\/span>)<\/span> -><\/span> impl<\/span> Future<\/span><<\/span>Output<\/span> =<\/span> i32<\/span>><\/span> {<\/span>\r\n  async<\/span> {<\/span>\r\n    ...<\/span>\r\n  }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
        async\u69cb\u6587\u306e\u4e2d\u3067\u7d50\u679c\u304c\u8fd4\u3063\u3066\u304f\u308b\u306e\u3092\u5f85\u3064\u5834\u5408\u306fawait\u3092\u4f7f\u3044\u307e\u3059\u3002\u3053\u306eawait\u306f\u975e\u540c\u671f\u51e6\u7406\u306e\u7d50\u679c\u3092\u53d7\u3051\u53d6\u308b\u305f\u3081\u306e\u3082\u306e\u306a\u306e\u3067async\u69cb\u6587\u306e\u5916\u3067\u66f8\u304f\u3068\u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
        \u975e\u540c\u671f\u51e6\u7406\u3067\u306f\u3053\u306e\u3088\u3046\u306bFuture\u3067\u5b9f\u884c\u4e2d\u304b\u5b8c\u4e86\u3057\u3066\u3044\u308b\u304b\u3092\u5224\u5b9a\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u3001async\u3067\u975e\u540c\u671f\u51e6\u7406\u306e\u7bc4\u56f2\u3092\u660e\u78ba\u306b\u3057\u3001await\u3067\u5024\u306e\u53d6\u5f97\u30bf\u30a4\u30df\u30f3\u30b0\u3092\u660e\u78ba\u306b\u3057\u3066\u3044\u307e\u3059\u3002\u305d\u3057\u3066\u3001\u3053\u306e\u5f62\u3092\u5916\u308c\u308b\u3068\u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc\u306b\u306a\u308b\u306e\u3067\u51e6\u7406\u304c\u8907\u96d1\u306b\u306a\u3063\u3066\u3082\u51e6\u7406\u3067\u30df\u30b9\u304c\u767a\u751f\u3059\u308b\u3053\u3068\u3092\u672a\u7136\u306b\u9632\u3044\u3067\u304f\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n
        \u307e\u3068\u3081<\/h2>\n
        Rust\u306f\u53b3\u5bc6\u306a\u578b\u5b9a\u7fa9\u306b\u3088\u308a\u30b9\u30bf\u30c3\u30af\u9818\u57df\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u9ad8\u901f\u6027\u3092\u5b9f\u73fe\u3057\u3001\u305d\u308c\u305e\u308c\u306e\u51e6\u7406\u3067\u30af\u30ec\u30a4\u30c8\u3092\u5143\u306b\u3057\u305f\u53b3\u683c\u306a\u30eb\u30fc\u30eb\u3092\u5b9a\u3081\u308b\u3053\u3068\u3067\u30df\u30b9\u3092\u30b3\u30f3\u30d1\u30a4\u30eb\u6bb5\u968e\u3067\u5f3e\u3051\u308b\u3088\u3046\u306b\u306a\u308a\u5b89\u5168\u6027\u3092\u5b9f\u73fe\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306eRust\u306e\u7279\u5fb4\u306f\u4eba\u306b\u3088\u3063\u3066\u306f\u5236\u7d04\u304c\u591a\u3044\u305f\u3081\u4e0d\u81ea\u7531\u306b\u611f\u3058\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u8907\u96d1\u306a\u51e6\u7406\u3092\u8a18\u8ff0\u3059\u308b\u3068\u304d\u306a\u3069\u306f\u4e8b\u524d\u306b\u30a8\u30e9\u30fc\u3092\u691c\u77e5\u3057\u3066\u304f\u308c\u308b\u306e\u3067\u975e\u5e38\u306b\u5fc3\u5f37\u3044\u5473\u65b9\u306b\u306a\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n
        \u304a\u308f\u308a\u306b<\/h2>\n
        \u307f\u3093\u306a\u3082Rust\u4f7f\u3044\u307e\u3057\u3087\u3046\uff01<\/p>\n
        \u53c2\u8003\u56f3\u66f8\u3001\u53c2\u8003\u30da\u30fc\u30b8<\/h2>\n
        \u5b9f\u8df5Rust\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u5165\u9580
        \n\u30e1\u30e2\u30ea\u3068\u30b9\u30bf\u30c3\u30af\u3068\u30d2\u30fc\u30d7\u3068\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e
        \nC++ \u30e0\u30fc\u30d6\u30bb\u30de\u30f3\u30c6\u30a3\u30af\u30b9\u3068\u53f3\u8fba\u5024\u306e\u6982\u5ff5\u3092\u521d\u5fc3\u8005\u5411\u3051\u306b<\/p>\n","protected":false},"excerpt":{"rendered":"
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