{"id":45710,"date":"2023-03-15T14:10:31","date_gmt":"2023-11-21T01:01:48","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/45710-2\/"},"modified":"2024-04-29T19:00:15","modified_gmt":"2024-04-29T11:00:15","slug":"45710-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/45710-2\/","title":{"rendered":""},"content":{"rendered":"

\u3053\u3068\u306e\u767a\u7aef<\/h2>\n

\u6700\u8fd1\u3001Rust\u306b\u5165\u9580\u3057\u307e\u3057\u305f\u3002
\n\u3069\u3093\u306a\u8a00\u8a9e\u3082\u8ab2\u984c\u304c\u3042\u308b\u3068\u7fd2\u5f97\u3082\u65e9\u3044\u3060\u308d\u3046\u3063\u3066\u3053\u3068\u3067\u3001\u307e\u305a\u306fReactiveX\u3092Rust\u3067\u5b9f\u88c5\u3057\u3066\u307f\u307e\u3057\u305f\u30021
\nReactiveX\u306f\u95a2\u6570\u578b\u3084\u975e\u540c\u671f\u3092\u6271\u3046\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u3001\u307b\u307c\u3059\u3079\u3066\u304c\u30b8\u30a7\u30cd\u30ea\u30af\u30b9\u3067\u69cb\u6210\u3055\u308c\u307e\u3059\u3002
\n\u305d\u306e\u4e2d\u3067\u3001\u306a\u304b\u306a\u304b\u30b9\u30f3\u30ca\u30ea\u5165\u3063\u3066\u3053\u306a\u304b\u3063\u305f\u306e\u304c static \u3067\u3057\u305f\u3002<\/p>\n

\u3067\u3001\u500b\u4eba\u7684\u306b\u8272\u3005\u3068\u3084\u3063\u3066\u307f\u3066\u3001\u300c\u306a\u308b\u307b\u3069\u300d\u3068\u306a\u3063\u305f\u306e\u3067\u8a18\u4e8b\u306b\u3057\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n

Rust \u306e static<\/h2>\n

\u307e\u305a\u3001C++\u306estatic\u3068\u306f\u4f3c\u3066\u975e\u306a\u308b\u3082\u306e\u3067\u3059\u3002
\n\u7f6a\u60aa\u611f\u3092\u62b1\u3048\u306a\u304c\u3089\u300c\u4eca\u65e5\u3082static\uff08\u30b0\u30ed\u30fc\u30d0\u30eb\u30b9\u30c6\u30fc\u30c8\uff09\u3092\u5897\u3084\u3057\u3066\u3057\u307e\u3063\u305f\u3002\u3002\u3002\u300d\u7684\u306a\u300c\u3042\u306estatic\u300d\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n

\u307e\u305a\u3001Rust \u306e static \u306b\u306f\uff12\u7a2e\u985e\u3042\u308a\u307e\u3059\u3002<\/p>\n

    \n
  1. \n
      static\u30e9\u30a4\u30d5\u30bf\u30a4\u30e0<\/ol>\n<\/li>\n<\/ol>\n

       <\/p>\n

        static\u30e9\u30a4\u30d5\u30bf\u30a4\u30e0\u5883\u754c<\/ol>\n

        static\u30e9\u30a4\u30d5\u30bf\u30a4\u30e0\u306f C++ \u306e static \u3068\u540c\u3058\u3067\u3059\u3002
        \n\u304c\u3001\u3057\u304b\u3057\u3001Rust\u3067\u306f\u30d7\u30ea\u30df\u30c6\u30a3\u30d6\u578b\u3084\u30ea\u30c6\u30e9\u30eb\u3060\u3051\u304c static \u5b9a\u7fa9\u3067\u304d\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f\u3000static \u30e9\u30a4\u30d5\u30bf\u30a4\u30e0\u304c\u4f7f\u3048\u307e\u305b\u3093\u3002Singleton\u30d1\u30bf\u30fc\u30f3\u3092\u4f7f\u3063\u3066\u30b0\u30ed\u30fc\u30d0\u30eb\u30b9\u30c6\u30fc\u30c8\u3092\u5b9f\u88c5\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u3059\u304c\u3001static\u30e9\u30a4\u30d5\u30bf\u30a4\u30e0\u306a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f\u4f5c\u308c\u307e\u305b\u3093\u3002<\/p>\n

        \u307b\u3044\u3067\u3001\u6b21\u306e static\u30e9\u30a4\u30d5\u30bf\u30a4\u30e0\u5883\u754c \u304c\u66f2\u8005\u3067\u3059\u3002<\/p>\n

        static\u30e9\u30a4\u30d5\u30bf\u30a4\u30e0\u5883\u754c \u3068\u306f<\/h2>\n

        \u3056\u3063\u304f\u308a\u3044\u3046\u3068\u3001<\/p>\n

        \u300c \u53c2 \u7167 \u304c \u542b \u307e \u308c \u306a \u3044 \u3082 \u306e \u300d<\/p>\n

        \u3067\u3059\u3002<\/p>\n

        \u53c2\u7167\u306f\u6240\u6709\u8005\u304c\u5c45\u3066\u305d\u306e\u6240\u6709\u8005\u304c\u624b\u653e\u3059\u307e\u3067\u304c\u751f\u5b58\u671f\u9593\uff08\u30e9\u30a4\u30d5\u30bf\u30a4\u30e0\uff09\u306b\u306a\u308a\u307e\u3059\u304c\u3001\u305d\u306e\u53c2\u7167\u304c\u542b\u307e\u308c\u3066\u3044\u306a\u3051\u308c\u3070\u5168\u3066static\u30e9\u30a4\u30d5\u30bf\u30a4\u30e0\u5883\u754c\u3067\u3059\u3002\uff08\u3082\u3046\u306d\u301c\u3001\u4f55\u3068\u3044\u3046\u304b\u3001\u8a00\u3044\u65b9\u5909\u3048\u3066\u6b32\u3057\u3044\u3002\u3002\u3002\uff09<\/p>\n

        \u5177\u4f53\u7684\u306b\u30b3\u30fc\u30c9\u3067\u5b9f\u8a3c\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n

        static\u30e9\u30a4\u30d5\u30bf\u30a4\u30e0\u5883\u754c \u3092\u611f\u3058\u308b<\/h2>\n

        \u6e96\u5099<\/h3>\n

        \u307e\u305a\u3001\u3053\u3093\u306a\u30b3\u30fc\u30c9\u3092\u66f8\u304d\u307e\u3059\u3002<\/p>\n

        fn<\/span> is_static<\/span><<\/span>T<\/span>><\/span>(<\/span>_<\/span>:<\/span> T<\/span>)<\/span>\r\nwhere<\/span>\r\n  T<\/span>:<\/span> 'static<\/span>,<\/span>  \/\/ <-- \u3053\u308c\u304c \u300csattic\u30e9\u30a4\u30d5\u30bf\u30a4\u30e0\u5883\u754c\u300d\u3000\u3068\u3044\u3046\u30e4\u30c4\u3067\u3059\u3002<\/span>\r\n{}<\/span>\r\n<\/code><\/pre>\n
        \u3053\u308c\u306fstatic\u30e9\u30a4\u30d5\u30bf\u30a4\u30e0\u5883\u754c\u306e\u5909\u6570\u3092\u6e21\u3055\u306a\u3044\u3068\u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc\u306b\u306a\u308b\u95a2\u6570\u3067\u3059\u3002
        \n\u3053\u306e\u95a2\u6570\u306b\u8272\u3005\u3068\u5024\u3092\u6e21\u3057\u3066\u307f\u308b\u3068\u7406\u89e3\u304c\u65e9\u3044\u304b\u3082\u3067\u3059\u3002<\/p>\n
        \u30ea\u30c6\u30e9\u30eb<\/h3>\n
        C++er\u306f\u3001\u3053\u306e\u6642\u70b9\u3067\u300c\uff1f\uff1f\u300d\u3067\u3059\u304c\u3001\u3053\u308c\u304c\u5148\u8ff0\u306estatic\u30e9\u30a4\u30d5\u30bf\u30a4\u30e0\u5883\u754c\u3067\u3059\u3002<\/p>\n
          is_static<\/span>(<\/span>123<\/span>);<\/span>\r\n<\/code><\/pre>\n
        \u5b9f\u4f53\u3092move<\/h3>\n
          let<\/span> x<\/span> =<\/span> 0<\/span>;<\/span>\r\n  is_static<\/span>(<\/span>x<\/span>);<\/span>\r\n<\/code><\/pre>\n
        \u53c2\u7167<\/h3>\n
        \u300c\u53c2\u7167\u304c\u542b\u307e\u308c\u308b\u3082\u306e\u300d\u3068\u3044\u3046\u304b\u3001\u53c2\u7167\u305d\u306e\u3082\u306e\u3082NG\u3067\u3059\u3002<\/p>\n
          let<\/span> x<\/span> =<\/span> 0<\/span>;<\/span>\r\n  is_static<\/span>(<\/span>&<\/span>x<\/span>);<\/span>\r\n<\/code><\/pre>\n
        \u30af\u30ed\u30fc\u30b8\u30e3\u30fc(\u5916\u90e8\u5909\u6570\u306e\u30ad\u30e3\u30d7\u30c1\u30e3\u306a\u3057)<\/h3>\n
        C++ \u3067\u306f\u30e9\u30e0\u30c0\u5f0f\u3067\u3059\u3002<\/p>\n
          let<\/span> f<\/span> =<\/span> ||<\/span> {};<\/span>\r\n  is_static<\/span>(<\/span>f<\/span>);<\/span>\r\n<\/code><\/pre>\n
        \u30af\u30ed\u30fc\u30b8\u30e3\u30fc\uff08\u53c2\u7167\u3067\u30ad\u30e3\u30d7\u30c1\u30e3\uff09<\/h3>\n
        \u30af\u30ed\u30fc\u30b8\u30e3\u30fc\u306f\u5916\u90e8\u5909\u6570\u306e\u30ad\u30e3\u30d7\u30c1\u30e3\u3057\u3066\u3044\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u3059\u3002
        \n\u3053\u306e\u30ad\u30e3\u30d7\u30c1\u30e3\u3057\u3066\u3044\u308b\u5909\u6570\u306f\u3000move \u3092\u6307\u5b9a\u3057\u306a\u3044\u3068\u53c2\u7167\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
          let<\/span> x<\/span> =<\/span> 0<\/span>;<\/span>\r\n  let<\/span> f<\/span> =<\/span> ||<\/span> println!<\/span>(<\/span>\"{}\"<\/span>,<\/span> x<\/span>);<\/span>\r\n  is_static<\/span>(<\/span>f<\/span>);<\/span>\r\n<\/code><\/pre>\n
        \u30af\u30ed\u30fc\u30b8\u30e3\u30fc\uff08move\u3067\u30ad\u30e3\u30d7\u30c1\u30e3\uff09<\/h3>\n
        move \u3059\u308c\u3070\u30af\u30ed\u30fc\u30b8\u30e3\u30fc\u5185\u306f\u5b9f\u4f53\u3092\u6240\u6709\u3059\u308b\u3053\u3068\u306b\u306a\u308b\u306e\u3067\u3001\u7121\u554f\u984c\u3002<\/p>\n
          let<\/span> x<\/span> =<\/span> 0<\/span>;<\/span>\r\n  let<\/span> f<\/span> =<\/span> move<\/span> ||<\/span> println!<\/span>(<\/span>\"{}\"<\/span>,<\/span> x<\/span>);<\/span>\r\n  is_static<\/span>(<\/span>f<\/span>);<\/span>\r\n<\/code><\/pre>\n
        ‘static str&<\/h3>\n
        static\u30e9\u30a4\u30d5\u30bf\u30a4\u30e0\u306e\u53c2\u7167\u306f\u8a31\u3055\u308c\u307e\u3059\u3002<\/p>\n
          let<\/span> a<\/span> =<\/span> \"abc\"<\/span>;<\/span>  \/\/ <--  &'static str<\/span>\r\n  is_static<\/span>(<\/span>a<\/span>);<\/span>\r\n<\/code><\/pre>\n
        \u6240\u611f<\/h2>\n
        \u3084\u3063\u3071\u308a\u3000static \u3068\u66f8\u304f\u306e\u306f\u62b5\u6297\u304c\u3042\u308b\u3002\u3002\uff57<\/p>\n
        \u3061\u3087\u3063\u3068\u3060\u3051\u672c\u6c17\u3067\u4f5c\u3063\u3066\u307f\u305f -> another-rxrust \u21a9<\/p>\n<\/section>\n","protected":false},"excerpt":{"rendered":"
        \u3053\u3068\u306e\u767a\u7aef \u6700\u8fd1\u3001Rust\u306b\u5165\u9580\u3057\u307e\u3057\u305f\u3002 \u3069\u3093\u306a\u8a00\u8a9e\u3082\u8ab2\u984c\u304c\u3042\u308b\u3068\u7fd2\u5f97\u3082\u65e9\u3044\u3060\u308d\u3046\u3063\u3066\u3053\u3068\u3067\u3001\u307e\u305a\u306fReac […]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-45710","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\/45710-2\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:description\" content=\"\u3053\u3068\u306e\u767a\u7aef \u6700\u8fd1\u3001Rust\u306b\u5165\u9580\u3057\u307e\u3057\u305f\u3002 \u3069\u3093\u306a\u8a00\u8a9e\u3082\u8ab2\u984c\u304c\u3042\u308b\u3068\u7fd2\u5f97\u3082\u65e9\u3044\u3060\u308d\u3046\u3063\u3066\u3053\u3068\u3067\u3001\u307e\u305a\u306fReac […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/45710-2\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2023-11-21T01:01:48+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-04-29T11:00:15+00:00\" \/>\n<meta name=\"author\" content=\"\u79d1, \u96c5\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u79d1, \u96c5\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 \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\/45710-2\/\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/45710-2\/\",\"name\":\"- Blog - Silicon Cloud\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#website\"},\"datePublished\":\"2023-11-21T01:01:48+00:00\",\"dateModified\":\"2024-04-29T11:00:15+00:00\",\"author\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/41e222757cdd2a3365361328bd79970a\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.silicloud.com\/zh\/blog\/45710-2\/\"]}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#website\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/\",\"name\":\"Blog - 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