{"id":45440,"date":"2023-06-27T10:59:30","date_gmt":"2024-02-16T06:48:31","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/45440-2\/"},"modified":"2024-04-30T10:55:22","modified_gmt":"2024-04-30T02:55:22","slug":"45440-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/45440-2\/","title":{"rendered":""},"content":{"rendered":"

\u3053\u306e\u8a18\u4e8b\u306f\u9650\u754c\u958b\u767a\u9bd6 Advent Calendar 2022 \u306e 3 \u65e5\u76ee\u3067\u3059.<\/p>\n

\u304d\u3063\u304b\u3051<\/h1>\n

2020 \u5e74 5 \u6708, \u79c1\u306f\u3053\u306e\u9650\u754c\u958b\u767a\u9bd6\u306b\u53c2\u52a0\u3057\u307e\u3057\u305f. \u305d\u306e\u3053\u308d, \u5f53\u6642\u9650\u754c\u958b\u767a\u9bd6\u306e\u30e1\u30f3\u30d0\u30fc\u3060\u3063\u305f loxygen \u304c musical_typer \u3068\u3044\u3046\u30b2\u30fc\u30e0 \u3092\u4f5c\u3063\u3066\u3044\u307e\u3057\u305f. \u3053\u308c\u306f\u6d41\u308c\u308b\u6b4c\u306b\u3042\u308f\u305b\u3066\u6b4c\u8a5e\u3092\u3072\u305f\u3059\u3089\u30bf\u30a4\u30d4\u30f3\u30b0\u3059\u308b\u30b2\u30fc\u30e0\u3067\u3059. pygame \u3092\u7528\u3044\u3066\u4f5c\u3089\u308c\u3066\u3044\u3066, \u975e\u5e38\u306b\u3088\u304f\u3067\u304d\u3066\u3044\u307e\u3057\u305f. \u3057\u304b\u3057, \u809d\u5fc3\u306e\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u304c\u5c11\u3057\u8aad\u307f\u3065\u3089\u304f, \u7279\u306b\u30b2\u30fc\u30e0\u306e\u30b9\u30c6\u30fc\u30c8\u7ba1\u7406\u304c GameInfo \u3068\u3044\u3046 1 \u3064\u306e\u30af\u30e9\u30b9\u306b\u4e00\u4efb\u3055\u308c\u3066\u3044\u3066\u80a5\u5927\u5316\u3057\u3066\u3044\u307e\u3057\u305f (\u3057\u3070\u3089\u304f\u306e\u9593, \u80a5\u5927\u5316\u3057\u305f\u30b9\u30c6\u30fc\u30c8\u306e\u30b3\u30fc\u30c9\u3092\u30b5\u30fc\u30d0\u30fc\u5185\u3067 GameInfo \u306a\u3069\u3068\u63f6\u63c4\u3057\u3066\u3044\u307e\u3057\u305f).<\/p>\n

\u3057\u304b\u3057\u30b2\u30fc\u30e0\u306f\u9762\u767d\u304b\u3063\u305f\u306e\u3067, \u305d\u306e\u30b3\u30fc\u30c9\u306e\u6539\u5584\u3092\u3057\u3066\u307f\u305f\u304f\u306a\u308a\u307e\u3057\u305f. \u305d\u3053\u3067, @kawaemon \u306f Go \u8a00\u8a9e\u3067, \u79c1\u306f Rust \u8a00\u8a9e\u3067\u518d\u5b9f\u88c5\u3057\u59cb\u3081\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3057\u305f. \u7121\u99c4\u306b\u300c\u30b2\u30fc\u30e0\u7528\u30e9\u30a4\u30d6\u30e9\u30ea\/\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3092\u4f7f\u308f\u306a\u3044\u300d\u7e1b\u308a\u3092\u8a2d\u3051\u305f\u305b\u3044\u3067\u5c11\u3057\u9060\u56de\u308a\u306b\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3057\u305f. \u30a6\u30a4\u30f3\u30c9\u30a6\u30b7\u30b9\u30c6\u30e0\u306a\u3069\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u6574\u5099\u3084\u30ed\u30fc\u30ec\u30d9\u30eb\u306a\u90e8\u5206\u306e\u30c7\u30d0\u30c3\u30b0\u306a\u3069\u7d06\u4f59\u66f2\u6298\u3092\u5f97\u3066, 2022 \u5e74 7 \u6708\u306b\u306a\u3063\u3066\u3088\u3046\u3084\u304f\u672c\u5bb6\u3068\u307b\u3068\u3093\u3069\u540c\u3058\u3088\u3046\u306a\u30ec\u30d9\u30eb\u306b\u5230\u9054\u3057\u307e\u3057\u305f.<\/p>\n

\"\u4ed8\u5c5e\u306e\u30b5\u30f3\u30d7\u30eb\u8b5c\u9762\u3067\u904a\u3093\u3067\u3044\u308b\u30b2\u30fc\u30e0\u753b\u9762\"<\/div>\n

\u3053\u3061\u3089\u304c\u518d\u5b9f\u88c5\u3057\u305f\u3082\u306e\u306e\u30ec\u30dd\u30b8\u30c8\u30ea\u306b\u306a\u308a\u307e\u3059. \u30a6\u30a4\u30f3\u30c9\u30a6, \u5165\u529b\u30a4\u30d9\u30f3\u30c8, \u63cf\u753b\u306a\u3069\u306b SDL2 \u3092\u4f7f\u7528\u3057\u3066\u304a\u308a, \u305d\u308c\u3092 Rust \u304b\u3089\u52d5\u304b\u3059\u305f\u3081\u306e\u30d0\u30a4\u30f3\u30c7\u30a3\u30f3\u30b0\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3082\u4f5c\u6210\u3057\u307e\u3057\u305f.<\/p>\n

\u65e2\u5b58\u30e9\u30a4\u30d6\u30e9\u30ea\u3078\u306e\u4e0d\u6e80<\/h2>\n

Rust \u3067 SDL2 \u3092\u5229\u7528\u3059\u308b\u306e\u3067\u3042\u308c\u3070, Rust-SDL2 \u304c\u65e2\u306b\u5b58\u5728\u3057\u3066\u3044\u307e\u3059. \u5f53\u521d\u306f\u3053\u308c\u3092\u7528\u3044\u3066\u4f5c\u6210\u3057\u3088\u3046\u3068\u3057\u307e\u3057\u305f\u304c, \u63cf\u753b\u5468\u308a\u3092\u4f5c\u3063\u305f\u308a\u3057\u3066\u3044\u308b\u3046\u3061\u306b\u5f90\u3005\u306b\u4e0d\u6e80\u70b9\u304c\u6e9c\u307e\u3063\u3066\u304d\u307e\u3057\u305f. \u4f8b\u3048\u3070,<\/p>\n

    \n
  • \n
      \u30e2\u30b8\u30e5\u30fc\u30eb\u304c\u7d30\u5206\u5316\u3055\u308c\u3059\u304e\u3066\u3044\u308b\u306e\u306b\u307e\u3068\u307e\u308a\u304c\u306a\u304f, \u3069\u3053\u306b\u4f55\u304c\u3042\u308b\u306e\u304b\u5206\u304b\u3089\u306a\u304f\u3066\u5229\u7528\u3057\u306b\u304f\u3044.<\/ul>\n<\/li>\n<\/ul>\n

       <\/p>\n

        \n
      • \n
          SDL2 \u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092 Rc \u3067\u7ba1\u7406\u3057\u3066\u3044\u308b\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u304c\u3082\u3063\u305f\u3044\u306a\u3044.<\/ul>\n<\/li>\n<\/ul>\n

           <\/p>\n

            \n
          • \n
              API \u306e\u5f15\u6570\u304c SDL2 \u306e\u3082\u306e\u305d\u306e\u307e\u307e\u904e\u304e\u3066, Rust \u3089\u3057\u3044\u66f8\u304d\u65b9\u304c\u3084\u308a\u3065\u3089\u3044.<\/ul>\n<\/li>\n<\/ul>\n

               <\/p>\n

                \n
              • \n
                  \u30a8\u30e9\u30fc\u306e\u578b\u304c\u3059\u3079\u3066 String \u306b\u306a\u3063\u3066\u304a\u308a, \u30a8\u30e9\u30fc\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0\u3057\u306b\u304f\u3044.<\/ul>\n<\/li>\n<\/ul>\n

                  Canvas \u306b\u3088\u308b\u63cf\u753b\u30b7\u30b9\u30c6\u30e0\u306f\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u3067\u3057\u304b\u547c\u3079\u305a !Send \u306b\u306a\u3063\u3066\u3044\u308b\u306e\u306b, \u63cf\u753b\u51e6\u7406\u306b\u53ef\u5909\u53c2\u7167\u3092\u8981\u6c42\u3055\u308c\u308b\u306e\u3067 Canvas \u306e\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u304c\u53d6\u308a\u56de\u3057\u3065\u3089\u3044.
                  \n\u5165\u529b\u30a4\u30d9\u30f3\u30c8\u306e enum \u304c\u5de8\u5927\u3059\u304e\u3066, \u30a4\u30d9\u30f3\u30c8\u306e\u53d7\u3051\u53d6\u308a\u306e\u30d1\u30bf\u30fc\u30f3\u30de\u30c3\u30c1\u304c\u5927\u5909.
                  \n:<\/p>\n

                  \u3068\u3044\u3046\u3088\u3046\u306a\u5177\u5408\u3067\u3059. \u305b\u3063\u304b\u304f\u306a\u306e\u3067, \u52c9\u5f37\u306b\u306a\u308b\u3060\u308d\u3046\u3068\u30d0\u30a4\u30f3\u30c7\u30a3\u30f3\u30b0\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u81ea\u4f5c\u3057\u3066\u307f\u308b\u3053\u3068\u306b\u3057\u307e\u3057\u305f.<\/p>\n

                  \u76ee\u6307\u3057\u305f\u8a2d\u8a08<\/h1>\n

                  \u5148\u307b\u3069\u306e\u4e0d\u6e80\u70b9\u3092\u8e0f\u307e\u3048\u3066, \u65b0\u3057\u3044\u30e9\u30a4\u30d6\u30e9\u30ea\u306b\u6301\u305f\u305b\u305f\u3044\u7279\u5fb4\u3092\u8003\u3048\u307e\u3057\u305f. \u3059\u306a\u308f\u3061,<\/p>\n

                    \n
                  • \n
                      Rust \u30d5\u30ec\u30f3\u30c9\u30ea\u30fc\u306b, C \u7279\u6709\u306e\u7169\u308f\u3057\u3055\u3092\u3067\u304d\u308b\u9650\u308a\u30e9\u30c3\u30d7\u3059\u308b<\/ul>\n<\/li>\n<\/ul>\n

                       <\/p>\n

                        \n
                      • \n
                          \u5143\u306e API \u3067\u308f\u304b\u308a\u306b\u304f\u3044, \u9593\u9055\u3048\u3084\u3059\u3044, \u975e\u63a8\u5968\u306a\u90e8\u5206\u3092\u89aa\u5207\u306b\u66f8\u304d\u63db\u3048\u308b<\/ul>\n<\/li>\n<\/ul>\n

                           <\/p>\n

                            \u5916\u90e8\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u306b\u3088\u3063\u3066\u62e1\u5f35\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b<\/ul>\n

                            \u3053\u308c\u306f\u4eca\u307e\u3067\u306e\u3088\u308a\u3082\u30ea\u30c3\u30c1\u306a\u3082\u306e\u306a\u306e\u3067, rich-sdl2-rust \u3068\u3044\u3046\u540d\u524d\u306b\u3057\u307e\u3057\u305f. \u3053\u308c\u3089\u306e\u65b9\u91dd\u3092\u5143\u306b, \u3067\u304d\u308b\u9650\u308a\u30c8\u30ec\u30a4\u30c8\u3084\u30e9\u30a4\u30d5\u30bf\u30a4\u30e0\u3092\u99c6\u4f7f\u3057\u3066\u8a2d\u8a08\u3059\u308b\u3053\u3068\u3068\u3057\u307e\u3057\u305f. \u307e\u305f, rust-bindgen \u3092\u7528\u3044\u3066 C \u306e\u30d8\u30c3\u30c0\u304b\u3089\u751f\u306e FFI \u90e8\u5206\u306f\u81ea\u52d5\u751f\u6210\u3057, \u305d\u308c\u3092 rich-sdl2-rust-sys \u30af\u30ec\u30fc\u30c8\u3068\u3057\u3066\u7528\u610f\u3057\u307e\u3057\u305f.<\/p>\n

                            \u5de5\u592b\u306e\u7d39\u4ecb<\/h1>\n

                            \u3057\u304b\u3057, \u3055\u3059\u304c\u306b\u3053\u3053\u3067\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u5168\u8c8c\u3092\u89e3\u8aac\u3059\u308b\u308f\u3051\u306b\u306f\u3044\u304d\u307e\u305b\u3093. \u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306f\u3057\u3063\u304b\u308a\u7528\u610f\u3057\u3066\u3042\u308a\u307e\u3059 \u306e\u3067, \u3053\u3053\u3067\u306f\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u5b9f\u65bd\u3057\u305f\u5de5\u592b\u3092\u3044\u304f\u3064\u304b\u3054\u7d39\u4ecb\u3057\u307e\u3059.<\/p>\n

                            \u30b9\u30ec\u30c3\u30c9\u5b89\u5168\u6027\u3092\u9664\u53bb\u3057\u3066\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u3092\u524a\u6e1b<\/h2>\n

                            \u5143\u3005, SDL \u306e API \u306f\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u304b\u3089\u547c\u3073\u51fa\u3055\u306a\u3044\u3068\u5b89\u5168\u306b\u52d5\u4f5c\u3057\u307e\u305b\u3093. \u305d\u306e\u305f\u3081, \u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u304b\u3089\u3057\u304b\u547c\u3073\u51fa\u305b\u306a\u3044\u3088\u3046\u306a\u8a2d\u8a08\u306b\u3057\u3064\u3064, \u4f59\u5206\u306a\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u3092\u907f\u3051\u307e\u3059. \u305d\u3053\u3067, \u5c02\u7528\u306e struct \u3092\u7528\u610f\u3057\u3066\u3053\u308c\u3092\u4f7f\u308f\u306a\u3044\u3068 API \u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u306a\u3044\u3088\u3046\u306b\u3057\u307e\u3059. \u66f4\u306b Cell \u3092\u30d5\u30a3\u30fc\u30eb\u30c9\u306b\u7f6e\u304f\u3053\u3068\u3067 Send \u3068 Sync \u306e\u81ea\u52d5\u5b9f\u88c5\u304c\u5916\u308c\u308b\u3088\u3046\u306b\u3057\u307e\u3059. \u5b9f\u969b\u306b\u306f PhantomData \u3067\u305d\u3046\u898b\u305b\u304b\u3051\u3066\u3044\u308b\u3060\u3051\u306a\u306e\u3067, \u30e1\u30e2\u30ea\u306f\u6d88\u8cbb\u3057\u307e\u305b\u3093.<\/p>\n

                            \/\/\/ A root controller for SDL2.<\/span>\r\npub<\/span> struct<\/span> Sdl<\/span> {<\/span>\r\n    _phantom<\/span>:<\/span> PhantomData<\/span><<\/span>Cell<\/span><<\/span>u8<\/span>>><\/span>,<\/span>\r\n}<\/span>\r\n\r\nassert_not_impl_all!<\/span>(<\/span>Sdl<\/span>:<\/span> Send<\/span>,<\/span> Sync<\/span>);<\/span>\r\n<\/code><\/pre>\n
                            \u30e9\u30a4\u30d5\u30bf\u30a4\u30e0\u3068 PhantomData \u3067\u3088\u308a\u53b3\u5bc6\u306b<\/h2>\n
                            \u4ed6\u306e API \u306f Sdl \u3092\u501f\u7528\u3059\u308b\u3088\u3046\u306b\u8981\u6c42\u3057\u3066\u304a\u308a, \u3053\u308c\u306b\u3088\u308a SDL \u306e API \u304c\u521d\u671f\u5316\u3055\u308c\u3066\u6709\u52b9\u306a\u9593\u3060\u3051\u5229\u7528\u3067\u304d\u307e\u3059. \u3053\u3061\u3089\u3082\u5b9f\u969b\u306b\u306f PhantomData \u3067\u4fdd\u6301\u3057\u3066\u3044\u308b\u304b\u306e\u3088\u3046\u306b\u6271\u3063\u3066\u3044\u308b\u305f\u3081, \u30e1\u30e2\u30ea\u306e\u6d88\u8cbb\u306f\u6700\u5c0f\u9650\u3067\u3059.<\/p>\n
                            \/\/\/ A video controller by SDL2.<\/span>\r\npub<\/span> struct<\/span> Video<\/span><<\/span>'sdl<\/span>><\/span> {<\/span>\r\n    _phantom<\/span>:<\/span> PhantomData<\/span><&<\/span>'sdl<\/span> Sdl<\/span>><\/span>,<\/span>\r\n}<\/span>\r\n\r\nassert_not_impl_all!<\/span>(<\/span>Video<\/span>:<\/span> Send<\/span>,<\/span> Sync<\/span>);<\/span>\r\n\r\nimpl<\/span><<\/span>'sdl<\/span>><\/span> Video<\/span><<\/span>'sdl<\/span>><\/span> {<\/span>\r\n    \/\/\/ Constructs a video controller from a root controller.<\/span>\r\n    #[must_use]<\/span>\r\n    pub<\/span> fn<\/span> new<\/span>(<\/span>_<\/span>:<\/span> &<\/span>'sdl<\/span> Sdl<\/span>)<\/span> -><\/span> Self<\/span> {<\/span>\r\n        let<\/span> ret<\/span> =<\/span> unsafe<\/span> {<\/span> bind<\/span>::<\/span>SDL_InitSubSystem<\/span>(<\/span>bind<\/span>::<\/span>SDL_INIT_VIDEO<\/span>)<\/span> };<\/span>\r\n        if<\/span> ret<\/span> !=<\/span> 0<\/span> {<\/span>\r\n            Sdl<\/span>::<\/span>error_then_panic<\/span>(<\/span>\"Sdl video\"<\/span>)<\/span>\r\n        }<\/span>\r\n        Self<\/span> {<\/span>\r\n            _phantom<\/span>:<\/span> PhantomData<\/span>,<\/span>\r\n        }<\/span>\r\n    }<\/span>\r\n    \/\/ ...<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                            bitflags \u3084 typed_builder \u306e\u6d3b\u7528<\/h2>\n
                            \u30d3\u30c3\u30c8\u30d5\u30e9\u30b0\u306a\u3089 bitflags \u3092, Builder \u30d1\u30bf\u30fc\u30f3\u306a\u3089 typed_builder \u3092\u6d3b\u7528\u3057\u3066, \u697d\u306b\u5b89\u5168\u306a\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u63d0\u4f9b\u3059\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059.<\/p>\n
                            bitflags!<\/span> {<\/span>\r\n    \/\/\/ A flag to represent what type is used in audio data.<\/span>\r\n    pub<\/span> struct<\/span> AudioFormatFlag<\/span>:<\/span> u8<\/span> {<\/span>\r\n        \/\/\/ Whether a type is floating-point number.<\/span>\r\n        const<\/span> FLOAT<\/span> =<\/span> 1<\/span> <<<\/span> 0<\/span>;<\/span>\r\n        \/\/\/ Whether a type is big endian.<\/span>\r\n        const<\/span> BIG_ENDIAN<\/span> =<\/span> 1<\/span> <<<\/span> 4<\/span>;<\/span>\r\n        \/\/\/ Whether a type is signed.<\/span>\r\n        const<\/span> SIGNED<\/span> =<\/span> 1<\/span> <<<\/span> 7<\/span>;<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n\r\n\/\/\/ A builder for the [`Window`].<\/span>\r\n#[derive(Debug,<\/span> TypedBuilder)]<\/span>\r\npub<\/span> struct<\/span> WindowBuilder<\/span> {<\/span>\r\n    #[builder(default<\/span> =<\/span> \"Untitled\"<\/span>.<\/span>into(),<\/span> setter(into))]<\/span>\r\n    title<\/span>:<\/span> String<\/span>,<\/span>\r\n    #[builder(default<\/span> =<\/span> WindowCoord::centered())]<\/span>\r\n    x<\/span>:<\/span> WindowCoord<\/span>,<\/span>\r\n    #[builder(default<\/span> =<\/span> WindowCoord::centered())]<\/span>\r\n    y<\/span>:<\/span> WindowCoord<\/span>,<\/span>\r\n    #[builder(default<\/span> =<\/span> 640<\/span>)]<\/span>\r\n    width<\/span>:<\/span> u32<\/span>,<\/span>\r\n    #[builder(default<\/span> =<\/span> 480<\/span>)]<\/span>\r\n    height<\/span>:<\/span> u32<\/span>,<\/span>\r\n    \/\/ ...<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                            \u3064\u307e\u3065\u3044\u305f\u70b9<\/h1>\n
                            \u3053\u308c\u306f\u901a\u5e38\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u958b\u767a\u3068\u9055\u3063\u3066\u30d0\u30a4\u30f3\u30c7\u30a3\u30f3\u30b0\u3092\u6271\u3046\u306e\u3067, \u3084\u306f\u308a\u89e3\u6c7a\u3059\u308b\u306e\u306b\u6642\u9593\u304c\u304b\u304b\u3063\u305f\u554f\u984c\u304c\u591a\u3005\u3042\u308a\u307e\u3057\u305f. \u3053\u3053\u3067\u306f\u305d\u3046\u3044\u3063\u305f\u5c11\u3057\u5206\u304b\u308a\u306b\u304f\u3044\u554f\u984c\u3068, \u305d\u306e\u89e3\u6c7a\u306e\u904e\u7a0b\u3092\u89e3\u8aac\u3057\u3066\u304a\u304d\u307e\u3059.<\/p>\n
                            \u524d\u63d0\u77e5\u8b58\u3068\u3057\u3066, \u672a\u5b9a\u7fa9\u52d5\u4f5c (Undefined Behaviour, \u4ee5\u964d UB \u3068\u7565\u3057\u307e\u3059) \u306b\u3064\u3044\u3066\u8a71\u3057\u3066\u304a\u304d\u307e\u3059. Rust \u3067\u306f, \u4e0d\u6b63\u306a\u30c7\u30fc\u30bf\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3084\u7121\u8cac\u4efb\u306a\u64cd\u4f5c\u306e\u3053\u3068\u3092\u8d77\u3053\u3057\u3066\u306f\u3044\u3051\u306a\u3044\u672a\u5b9a\u7fa9\u52d5\u4f5c\u3068\u3057\u3066\u5b9a\u7fa9\u3057\u3066\u3044\u307e\u3059. \u4f8b\u3048\u3070, \u4ee5\u4e0b\u306e\u3088\u3046\u306a\u3082\u306e\u304c UB \u306b\u306a\u308a\u307e\u3059 (\u53c2\u8003\u6587\u732e).<\/p>\n
                              \n
                            • \n
                                \u30c7\u30fc\u30bf\u7af6\u5408. 1 \u3064\u306e\u9818\u57df\u3078\u540c\u6642\u306b\u8907\u6570\u306e CPU \u304c\u66f8\u304d\u8fbc\u3080\u3053\u3068\u304c\u3042\u308b\u3088\u3046\u306a\u51e6\u7406.<\/ul>\n<\/li>\n<\/ul>\n
                                 <\/p>\n
                                  \n
                                • \n
                                    \u30c0\u30f3\u30b0\u30ea\u30f3\u30b0\u30dd\u30a4\u30f3\u30bf\u306e\u53c2\u7167\u5916\u3057. \u89e3\u653e\u6e08\u307f\u306e\u9818\u57df\u3092\u8aad\u307f\u53d6\u308b\u51e6\u7406. \u8aad\u307f\u53d6\u308b\u3060\u3051\u3067\u306a\u304f, \u305d\u306e\u53c2\u7167 &T \u3092\u4f5c\u308b\u3053\u3068\u3082\u542b\u3080.<\/ul>\n<\/li>\n<\/ul>\n
                                     <\/p>\n
                                      \n
                                    • \n
                                        \u30a2\u30e9\u30a4\u30e1\u30f3\u30c8\u3055\u308c\u3066\u3044\u306a\u3044\u30dd\u30a4\u30f3\u30bf\u306e\u53c2\u7167\u5916\u3057. \u8aad\u307f\u53d6\u308b\u3060\u3051\u3067\u306a\u304f, \u305d\u306e\u53c2\u7167 &T \u3092\u4f5c\u308b\u3053\u3068\u3082\u542b\u3080.<\/ul>\n<\/li>\n<\/ul>\n
                                         <\/p>\n
                                          \n
                                        • \n
                                            \u30dd\u30a4\u30f3\u30bf\u306e\u30a8\u30a4\u30ea\u30a2\u30b7\u30f3\u30b0\u30eb\u30fc\u30eb\u3092\u7834\u308b. \u540c\u3058\u9818\u57df\u3078\u306e &T \u3068 &mut T \u304c\u540c\u6642\u306b\u767a\u751f\u3059\u308b\u51e6\u7406.<\/ul>\n<\/li>\n<\/ul>\n
                                             <\/p>\n
                                              \n
                                            • \n
                                                \u9593\u9055\u3063\u305f ABI \u3067\u306e\u95a2\u6570\u547c\u3073\u51fa\u3057. \u5f15\u6570\u306e\u578b\u306e\u30b5\u30a4\u30ba\u304c\u4e00\u81f4\u3057\u306a\u3044\u306a\u3069.<\/ul>\n<\/li>\n<\/ul>\n
                                                 <\/p>\n
                                                  \n
                                                • \n
                                                    \u305d\u306e\u578b\u3068\u3057\u3066\u4e0d\u6b63\u306a\u5024\u304c\u5165\u3063\u305f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c, \u6b63\u5e38\u306a\u5024\u3068\u3057\u3066\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u72b6\u614b\u3067\u5b58\u5728\u3059\u308b\u3053\u3068. \u3064\u307e\u308a\u3053\u308c\u3089\u3092\u7121\u7406\u3084\u308a\u4f5c\u308b\u30b3\u30fc\u30c9\u304c\u5b58\u5728\u3059\u308b\u3060\u3051\u3067\u30a2\u30a6\u30c8.<\/ul>\n<\/li>\n<\/ul>\n
                                                    0 \u3068 1 \u4ee5\u5916\u306e\u5024\u304c\u5165\u3063\u305f bool.
                                                    \n\u5b9a\u7fa9\u306b\u7121\u3044\u5024\u304c\u683c\u7d0d\u3055\u308c\u305f enum.
                                                    \n\u30cc\u30eb\u5024\u306e\u95a2\u6570\u30dd\u30a4\u30f3\u30bf.
                                                    \n\u30b5\u30ed\u30b2\u30fc\u30c8\u307e\u305f\u306f char::MAX \u3088\u308a\u5927\u304d\u3044\u5024\u304c\u5165\u3063\u305f char.
                                                    \n\u672a\u521d\u671f\u5316\u5024\u306e\u6574\u6570, \u6d6e\u52d5\u5c0f\u6570\u70b9\u6570, \u30dd\u30a4\u30f3\u30bf.
                                                    \n\u305d\u306e struct \u3054\u3068\u306e\u6761\u4ef6\u3092\u7834\u3063\u305f\u5024\u304c\u5165\u3063\u305f\u69cb\u9020\u4f53.
                                                    \n:<\/p>\n
                                                    :<\/p>\n
                                                    \u5168\u4f53\u7684\u306b, C\/C++ \u3088\u308a\u3082\u53b3\u3057\u3081\u306b\u306a\u3063\u3066\u3044\u307e\u3059. \u3057\u304b\u3057\u305d\u306e\u304a\u304b\u3052\u3067, Rust \u306f\u30a2\u30b0\u30ec\u30c3\u30b7\u30d6\u306a\u6700\u9069\u5316\u304c\u3067\u304d\u308b\u3088\u3046\u3067\u3059.<\/p>\n
                                                    \u3055\u3066, \u30b3\u30f3\u30d1\u30a4\u30e9\u306f\u3053\u3046\u3044\u3063\u305f UB \u304c\u300c\u7d76\u5bfe\u306b\u8d77\u3053\u3089\u306a\u3044\u3088\u3046\u306b\u300d\u6700\u9069\u5316\u3059\u308b\u3053\u3068\u304c\u8a31\u3055\u308c\u3066\u3044\u307e\u3059. UB \u3092\u8d77\u3053\u3059\u3088\u3046\u306a\u30b3\u30fc\u30c9\u3092\u691c\u77e5\u3057\u305f\u5834\u5408\u306b, \u305d\u306e\u30b3\u30fc\u30c9\u304c\u5b9f\u884c\u3055\u308c\u306a\u3044\u3088\u3046\u524a\u3063\u3066\u3057\u307e\u3046\u3053\u3068\u304c\u3042\u308b\u306e\u3067\u3059.<\/p>\n
                                                    CString \u3068 CStr<\/h2>\n
                                                    SDL \u306e API \u306b C \u6587\u5b57\u5217 (\u30cc\u30eb\u7d42\u7aef\u6587\u5b57\u5217) \u3092\u6e21\u3059\u6a5f\u4f1a\u304c\u3057\u3087\u3063\u3061\u3085\u3046\u3042\u308a\u307e\u3057\u305f. Rust \u306e\u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea\u306b\u306f, \u78ba\u4fdd\u3057\u305f C \u6587\u5b57\u5217\u3067\u3042\u308b CString \u3068 C \u6587\u5b57\u5217\u306e\u30b9\u30e9\u30a4\u30b9\u3067\u3042\u308b CStr \u304c\u3042\u308a\u307e\u3059. \u3053\u3061\u3089\u304b\u3089\u6587\u5b57\u5217\u3092\u6e21\u3059\u5834\u5408\u306f, Rust \u306e &str \u3060\u3068\u30cc\u30eb\u7d42\u7aef\u306e 1 \u500b\u3076\u3093\u304c\u5b58\u5728\u3057\u307e\u305b\u3093. \u305d\u306e\u305f\u3081 CString \u3092\u4f7f\u3063\u3066\u78ba\u4fdd\u3057\u76f4\u3059\u3053\u3068\u306b\u306a\u308a\u307e\u3059.<\/p>\n
                                                    let<\/span> cstr<\/span> =<\/span> CString<\/span>::<\/span>new<\/span>(<\/span>\"Hello\"<\/span>)<\/span>.unwrap<\/span>();<\/span>\r\n<\/code><\/pre>\n
                                                    \u5b9f\u969b\u306b\u6587\u5b57\u5217\u3092\u6e21\u3059\u306b\u306f\u305d\u306e CString \u306e\u30dd\u30a4\u30f3\u30bf\u3092\u6e21\u3059\u308f\u3051\u3067\u3059\u304c, \u4f5c\u3063\u305f\u3042\u3068\u306b\u3059\u3050 as_ptr \u3057\u3066\u3057\u307e\u3046\u3068\u554f\u984c\u304c\u767a\u751f\u3057\u307e\u3059. \u4e00\u6642\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u89e3\u653e\u3055\u308c\u3066\u3057\u307e\u3046\u306e\u3067, \u30c0\u30f3\u30b0\u30ea\u30f3\u30b0\u30dd\u30a4\u30f3\u30bf\u304c\u767a\u751f\u3057\u307e\u3059. \u6b63\u3057\u304f\u306f, CString \u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u5909\u6570\u306b\u4fdd\u6301\u3057\u7d9a\u3051\u305f\u307e\u307e, \u305d\u306e\u30dd\u30a4\u30f3\u30bf\u3092\u53d6\u5f97\u3059\u308b\u3088\u3046\u306b\u66f8\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059.<\/p>\n
                                                    let<\/span> ptr<\/span> =<\/span> CString<\/span>::<\/span>new<\/span>(<\/span>\"Hello\"<\/span>)<\/span>.unwrap<\/span>()<\/span>.as_ptr<\/span>();<\/span>\r\n\/\/ \u3053\u3053\u3067\u65e2\u306b `CString` \u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f drop \u6e08<\/span>\r\nunsafe<\/span> {<\/span>\r\n    \/\/ \u30c0\u30f3\u30b0\u30ea\u30f3\u30b0\u30dd\u30a4\u30f3\u30bf\u3078\u30a2\u30af\u30bb\u30b9\u3057\u3066\u3044\u308b, UB \u3060!<\/span>\r\n    *<\/span>ptr<\/span>;<\/span>\r\n}<\/span>\r\n\r\nlet<\/span> cstr<\/span> =<\/span> CString<\/span>::<\/span>new<\/span>(<\/span>\"Hello\"<\/span>)<\/span>.unwrap<\/span>();<\/span>\r\nlet<\/span> ptr<\/span> =<\/span> cstr<\/span>.as_ptr<\/span>();<\/span>\r\nunsafe<\/span> {<\/span>\r\n    \/\/ ok<\/span>\r\n    *<\/span>ptr<\/span>;<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                                                    \u306a\u304a, CString \u306e Drop \u5b9f\u88c5\u3067\u306f\u5148\u982d\u8981\u7d20\u306b 0 \u3092\u66f8\u304d\u8fbc\u3080 \u3068\u3044\u3046\u5b89\u5168\u63aa\u7f6e\u304c\u65bd\u3055\u308c\u3066\u3044\u307e\u3059. \u3053\u308c\u306e\u304a\u304b\u3052\u3067\u30d0\u30c3\u30d5\u30a1\u30aa\u30fc\u30d0\u30fc\u30e9\u30f3\u306e\u3088\u3046\u306a\u4e8b\u614b\u304c\u672a\u7136\u306b\u9632\u304c\u308c\u3066\u3044\u308b\u306e\u306f\u3042\u308a\u304c\u305f\u304b\u3063\u305f\u3067\u3059.<\/p>\n
                                                    \/\/ Turns this `CString` into an empty string to prevent<\/span>\r\n\/\/ memory-unsafe code from working by accident. Inline<\/span>\r\n\/\/ to prevent LLVM from optimizing it away in debug builds.<\/span>\r\n#[stable(feature<\/span> =<\/span> \"cstring_drop\"<\/span>,<\/span> since<\/span> =<\/span> \"1.13.0\"<\/span>)]<\/span>\r\nimpl<\/span> Drop<\/span> for<\/span> CString<\/span> {<\/span>\r\n    #[inline]<\/span>\r\n    fn<\/span> drop<\/span>(<\/span>&<\/span>mut<\/span> self<\/span>)<\/span> {<\/span>\r\n        unsafe<\/span> {<\/span>\r\n            *<\/span>self<\/span>.inner<\/span>.get_unchecked_mut<\/span>(<\/span>0<\/span>)<\/span> =<\/span> 0<\/span>;<\/span>\r\n        }<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                                                    \u305f\u3060\u3057\u7a7a\u6587\u5b57\u5217\u304c\u6e21\u3055\u308c\u3066\u3044\u308b\u72b6\u614b\u306b\u306a\u308b\u305f\u3081, \u5b9f\u88c5\u30df\u30b9\u306b\u306f\u6c17\u3065\u304d\u306b\u304f\u304b\u3063\u305f\u3067\u3059. \u5b9f\u969b\u306b\u306f, \u30a6\u30a4\u30f3\u30c9\u30a6\u306e\u30bf\u30a4\u30c8\u30eb\u3092\u8a2d\u5b9a\u3059\u308b API \u306e\u30d0\u30a4\u30f3\u30c7\u30a3\u30f3\u30b0\u3092\u5b9f\u88c5\u3057\u3066\u3044\u305f\u3068\u304d\u306b, \u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u74b0\u5883\u5074\u304b\u3089\u300c\u30bf\u30a4\u30c8\u30eb\u306b\u7a7a\u6587\u5b57\u5217\u3092\u8a2d\u5b9a\u3057\u3088\u3046\u3068\u3057\u3066\u3044\u308b\u300d\u3068\u3044\u3046\u8b66\u544a\u304c\u51fa\u305f\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u6c17\u3065\u304d\u307e\u3057\u305f.<\/p>\n
                                                    \u540c\u69d8\u306b, \u4e00\u6642\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30dd\u30a4\u30f3\u30bf\u3092\u5f97\u308b\u884c\u70ba\u306f UB \u3068\u306a\u308b\u306e\u3067\u6ce8\u610f\u3057\u307e\u3057\u3087\u3046. \u30af\u30ed\u30fc\u30b8\u30e3\u306a\u3069\u306e\u95a2\u6570\u3067\u8fd4\u3059\u5024\u3082\u540c\u69d8\u3067\u3059\u306e\u3067\u3054\u6ce8\u610f\u304f\u3060\u3055\u3044.<\/p>\n
                                                    \/\/ area \u306f `Option<Rect>` \u578b\u306e\u5f15\u6570.<\/span>\r\n\/\/ `impl From<Rect> for SDL_Rect` \u304c\u5b58\u5728\u3059\u308b.<\/span>\r\nunsafe<\/span> {<\/span>\r\n    bind<\/span>::<\/span>hoge<\/span>(<\/span>area<\/span>.map_or<\/span>(<\/span>std<\/span>::<\/span>ptr<\/span>::<\/span>null<\/span>(),<\/span> |<\/span>area<\/span>|<\/span> {<\/span>\r\n        \/\/ &SDL_Rect \u304c *const SDL_Rect \u306b\u578b\u5f37\u5236\u3055\u308c\u308b\u304c, \u3053\u308c\u306f\u30c0\u30f3\u30b0\u30ea\u30f3\u30b0\u30dd\u30a4\u30f3\u30bf.<\/span>\r\n        &<\/span>area<\/span>.into<\/span>()<\/span>\r\n    }));<\/span>\r\n    \/\/ \u3088\u3063\u3066 UB \u304c\u767a\u751f\u3059\u308b!<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                                                    MaybeUninit \u306e UB<\/h2>\n
                                                    SDL \u306e API \u306e\u3044\u304f\u3064\u304b\u306f, \u672a\u521d\u671f\u5316\u306e\u69cb\u9020\u4f53\u3092\u78ba\u4fdd\u3057\u3066, \u305d\u306e\u5834\u6240\u306e\u30dd\u30a4\u30f3\u30bf\u3092\u6e21\u3057\u3066\u521d\u671f\u5316\u3057\u3066\u3082\u3089\u3046\u3082\u306e\u304c\u3042\u308a\u307e\u3059. \u3053\u3046\u3044\u3063\u305f\u5834\u5408, \u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea\u306e MaybeUninit \u304c\u4fbf\u5229\u3067\u3059.<\/p>\n
                                                    \/\/\/ Returns the viewport rectangle of the renderer.<\/span>\r\npub<\/span> fn<\/span> viewport<\/span>(<\/span>&<\/span>self<\/span>)<\/span> -><\/span> Rect<\/span> {<\/span>\r\n    let<\/span> mut<\/span> raw_rect<\/span> =<\/span> MaybeUninit<\/span>::<\/span>uninit<\/span>();<\/span>\r\n    unsafe<\/span> {<\/span>\r\n        bind<\/span>::<\/span>SDL_RenderGetViewport<\/span>(<\/span>self<\/span>.as_ptr<\/span>(),<\/span> raw_rect<\/span>.as_mut_ptr<\/span>());<\/span>\r\n        raw_rect<\/span>.assume_init<\/span>()<\/span>.into<\/span>()<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                                                    \u305f\u3060\u3057, \u307e\u3060\u672a\u521d\u671f\u5316\u306e\u3068\u304d\u306b assume_init \u3092\u4f7f\u3046\u30b3\u30fc\u30c9\u306f\u5373 UB \u3068\u306a\u308a\u307e\u3059.<\/p>\n
                                                    build.rs \u306e\u8a2d\u5b9a<\/h2>\n
                                                    \u3053\u3061\u3089\u306f rich-sdl2-rust-sys \u306e\u8a71\u3067\u3059. bindgen \u306f build.rs \u3068\u3044\u3046\u30b3\u30f3\u30d1\u30a4\u30eb\u524d\u306b\u5b9f\u884c\u3055\u308c\u308b\u30d5\u30a1\u30a4\u30eb\u3067\u64cd\u4f5c\u3059\u308b\u3082\u306e\u3068\u306a\u3063\u3066\u3044\u307e\u3059. \u3053\u3053\u3067\u7528\u610f\u3057\u305f wrapper.h \u30d8\u30c3\u30c0\u3092\u8aad\u307f\u8fbc\u307f, \u305d\u308c\u3092 OUT_DIR \u3068\u3044\u3046 cargo \u304b\u3089\u6307\u5b9a\u3055\u308c\u305f\u74b0\u5883\u4e0b\u306b\u51fa\u529b\u3059\u308b\u8a2d\u5b9a\u3092\u7d44\u307f\u307e\u3059.<\/p>\n
                                                    println!<\/span>(<\/span>\"cargo:rerun-if-changed=wrapper.h\"<\/span>);<\/span>\r\n\r\nlet<\/span> mut<\/span> builder<\/span> =<\/span> bindgen<\/span>::<\/span>Builder<\/span>::<\/span>default<\/span>();<\/span>\r\n{<\/span>\r\n    builder<\/span> =<\/span> builder<\/span>\r\n        .header<\/span>(<\/span>\"wrapper.h\"<\/span>)<\/span>\r\n        .clang_args<\/span>(<\/span>&<\/span>includes<\/span>)<\/span>\r\n        .allowlist_function<\/span>(<\/span>\"SDL_.*\"<\/span>)<\/span>\r\n        .allowlist_type<\/span>(<\/span>\"SDL_.*\"<\/span>)<\/span>\r\n        .allowlist_var<\/span>(<\/span>\"SDL_.*\"<\/span>)<\/span>\r\n        .generate_comments<\/span>(<\/span>false<\/span>)<\/span>\r\n        .prepend_enum_name<\/span>(<\/span>false<\/span>)<\/span>\r\n        .parse_callbacks<\/span>(<\/span>Box<\/span>::<\/span>new<\/span>(<\/span>bindgen<\/span>::<\/span>CargoCallbacks<\/span>));<\/span>\r\n}<\/span>\r\n\/\/ \u4ed6\u306b\u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u5206\u5c90\u3067\u306e\u8a2d\u5b9a\u304c\u3042\u308a\u307e\u3059...<\/span>\r\nlet<\/span> bindings<\/span> =<\/span> builder<\/span>.generate<\/span>()<\/span>.expect<\/span>(<\/span>\"bindgen builder was invalid\"<\/span>);<\/span>\r\n\r\nlet<\/span> root_dir<\/span> =<\/span> env<\/span>::<\/span>var<\/span>(<\/span>\"OUT_DIR\"<\/span>)<\/span>.expect<\/span>(<\/span>\"OUT_DIR not found\"<\/span>);<\/span>\r\nlet<\/span> root<\/span> =<\/span> PathBuf<\/span>::<\/span>from<\/span>(<\/span>root_dir<\/span>);<\/span>\r\nbindings<\/span>\r\n    .write_to_file<\/span>(<\/span>root<\/span>.join<\/span>(<\/span>\"bind.rs\"<\/span>))<\/span>\r\n    .expect<\/span>(<\/span>\"writing `bind.rs` failed\"<\/span>);<\/span>\r\n<\/code><\/pre>\n
                                                    \u3053\u3046\u3057\u3066\u751f\u6210\u3057\u305f\u30d5\u30a1\u30a4\u30eb\u3092, \u4eca\u5ea6\u306f src\/lib.rs \u304b\u3089 include! \u30de\u30af\u30ed\u3092\u4f7f\u3063\u3066\u8aad\u307f\u8fbc\u307f\u307e\u3059. \u3053\u308c\u3067\u30d5\u30a1\u30a4\u30eb\u304c\u5c55\u958b\u3055\u308c\u3066, \u30e9\u30a4\u30d6\u30e9\u30ea\u3068\u3057\u3066\u5229\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059.<\/p>\n
                                                    \/\/! Rust FFI to `SDL2\/SDL.h`<\/span>\r\n#![allow(warnings)]<\/span>\r\n\r\ninclude!<\/span>(<\/span>concat!<\/span>(<\/span>env!<\/span>(<\/span>\"OUT_DIR\"<\/span>),<\/span> \"\/bind.rs\"<\/span>));<\/span>\r\n<\/code><\/pre>\n
                                                    \u3057\u304b\u3057, \u3053\u3068\u306f\u305d\u3046\u5358\u7d14\u3067\u306f\u3042\u308a\u307e\u305b\u3093. \u3053\u3046\u3044\u3063\u305f\u30d0\u30a4\u30f3\u30c7\u30a3\u30f3\u30b0\u3059\u308b\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u30af\u30ec\u30fc\u30c8\u3067\u306f, \u30ea\u30f3\u30af\u3059\u308b\u30e9\u30a4\u30d6\u30e9\u30ea\u30d5\u30a1\u30a4\u30eb\u306e\u6e96\u5099\u304c\u5fc5\u8981\u3067\u3059. \u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u30ea\u30f3\u30af\u306b\u306f, \u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30d1\u30bf\u30fc\u30f3\u304c\u8003\u3048\u3089\u308c\u307e\u3059.<\/p>\n
                                                      \n
                                                    1. \n
                                                        pkgconfig \u306a\u3069\u3067\u30d1\u30b9\u304c\u901a\u3063\u3066\u3044\u308b\u30e9\u30a4\u30d6\u30e9\u30ea\u3068\u9759\u7684\/\u52d5\u7684\u30ea\u30f3\u30af\u3059\u308b<\/ol>\n<\/li>\n<\/ol>\n
                                                         <\/p>\n
                                                          \n
                                                        1. \n
                                                            \u30e6\u30fc\u30b6\u304c\u6307\u5b9a\u3057\u305f\u30d1\u30b9\u306e\u9759\u7684\/\u52d5\u7684\u30e9\u30a4\u30d6\u30e9\u30ea\u3068\u30ea\u30f3\u30af\u3059\u308b<\/ol>\n<\/li>\n<\/ol>\n
                                                             <\/p>\n
                                                              \u3053\u3061\u3089\u3067\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3066\u30b3\u30f3\u30d1\u30a4\u30eb\u3057, \u305d\u308c\u3068\u9759\u7684\/\u52d5\u7684\u30ea\u30f3\u30af\u3059\u308b<\/ol>\n
                                                              \u305d\u308c\u305e\u308c\u3092 feature \u3084\u74b0\u5883\u5909\u6570\u3067\u5207\u308a\u66ff\u3048\u3089\u308c\u308b\u3088\u3046\u306b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a, Windows \u3068 macOS \u306e\u4e21\u65b9\u306b\u5bfe\u5fdc\u3055\u305b\u3088\u3046\u3068\u3057\u305f\u306e\u3067\u601d\u3063\u305f\u3088\u308a\u3082\u82e6\u6226\u3057\u307e\u3057\u305f. \u3053\u308c\u306f\u307b\u3068\u3093\u3069\u304c\u30b3\u30de\u30f3\u30c9\u306e\u5f15\u6570, \u30d5\u30a1\u30a4\u30eb\u306e\u914d\u7f6e, \u30b3\u30f3\u30d1\u30a4\u30eb\u306e\u624b\u9806\u3084\u30ea\u30f3\u30af\u3059\u308b\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u6307\u5b9a\u3068\u3044\u3063\u305f\u5730\u9053\u306a\u4f5c\u696d\u306e\u7a4d\u307f\u91cd\u306d\u3067\u3059.<\/p>\n
                                                              \u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u751f\u6210<\/h2>\n
                                                              \u3053\u306e rich-sdl2-rust \u306f, \u307b\u3068\u3093\u3069\u306e\u69cb\u9020\u4f53\u3084\u95a2\u6570\u306b\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u30b3\u30e1\u30f3\u30c8\u3092\u8a18\u8ff0\u3057\u3066\u3044\u307e\u3059. \u3057\u304b\u3057, \u3044\u304f\u3064\u304b\u306e\u6a5f\u80fd\u306f feature \u306b\u3088\u3063\u3066\u5229\u7528\u3067\u304d\u308b\u304b\u3069\u3046\u304b\u304c\u5236\u5fa1\u3055\u308c\u3066\u3044\u307e\u3059. \u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u751f\u6210\u3067\u3053\u308c\u3092\u8ffd\u52a0\u3059\u308b\u305f\u3081\u306b, nightly \u306e\u6a5f\u80fd\u3067\u3042\u308b #![cfg_attr(feature = “nightly”, feature(doc_cfg))] \u3092 lib.rs \u306b\u8a18\u8ff0\u3057\u3066\u3044\u307e\u3059.<\/p>\n
                                                              \u307e\u305f, doc.rs \u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u751f\u6210\u74b0\u5883\u3060\u3068\u30b3\u30f3\u30d1\u30a4\u30eb\u3067\u304d\u307e\u305b\u3093. wrapper.h \u304c #include \u3057\u3066\u3044\u308b SDL \u304a\u3088\u3073\u95a2\u9023\u3059\u308b\u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea\u306a\u3069\u306e\u30d8\u30c3\u30c0\u304c\u5b58\u5728\u3057\u306a\u3044\u304b\u3089\u3067\u3059. \u305d\u306e\u305f\u3081, GitHub Pages \u3092\u7528\u3044\u3066\u81ea\u524d\u3067\u751f\u6210\u3057\u305f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306e\u30a6\u30a7\u30d6\u30da\u30fc\u30b8\u3092\u30c7\u30d7\u30ed\u30a4\u3059\u308b\u3053\u3068\u306b\u3057\u3066\u3044\u307e\u3059.<\/p>\n
                                                              name<\/span>:<\/span> Publish<\/span>\r\n\r\non<\/span>:<\/span>\r\n  push<\/span>:<\/span>\r\n    tags<\/span>:<\/span>\r\n      -<\/span> \"<\/span>v*\"<\/span>\r\n\r\nenv<\/span>:<\/span>\r\n  CARGO_TERM_COLOR<\/span>:<\/span> always<\/span>\r\n  RUST_BACKTRACE<\/span>:<\/span> 1<\/span>\r\n  BUILD_DIR<\/span>:<\/span> \"<\/span>${{<\/span> github.workspace<\/span> }}\/build\/\"<\/span>\r\n\r\njobs<\/span>:<\/span>\r\n  # \u4e2d\u7565<\/span>\r\n  doc<\/span>:<\/span>\r\n    runs-on<\/span>:<\/span> ubuntu-latest<\/span>\r\n    steps<\/span>:<\/span>\r\n      -<\/span> uses<\/span>:<\/span> actions\/checkout@v3<\/span>\r\n      -<\/span> uses<\/span>:<\/span> dawidd6\/action-download-artifact@v2<\/span>\r\n        with<\/span>:<\/span>\r\n          github_token<\/span>:<\/span> ${{ secrets.GITHUB_TOKEN }}<\/span>\r\n          workflow<\/span>:<\/span> rust.yml<\/span>\r\n          name<\/span>:<\/span> doc-artifact<\/span>\r\n\r\n      -<\/span> name<\/span>:<\/span> Deploy docs<\/span>\r\n        uses<\/span>:<\/span> peaceiris\/actions-gh-pages@v3<\/span>\r\n        with<\/span>:<\/span>\r\n          github_token<\/span>:<\/span> ${{ secrets.GITHUB_TOKEN }}<\/span>\r\n          publish_dir<\/span>:<\/span> .<\/span>\r\n<\/code><\/pre>\n
                                                              \u8981\u6539\u5584\u70b9<\/h1>\n
                                                                \n
                                                              • \n
                                                                  \u5168\u304f\u30c6\u30b9\u30c8\u3067\u304d\u3066\u3044\u306a\u3044\u306e\u3067, \u307e\u3060\u6f5c\u5728\u7684\u306a\u30d0\u30b0\u304c\u3042\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093.<\/ul>\n<\/li>\n<\/ul>\n
                                                                   <\/p>\n
                                                                    \n
                                                                  • \n
                                                                      \u5143\u306e API \u3068\u306f\u4f7f\u3044\u65b9\u304c\u5909\u308f\u3063\u3066\u3044\u308b\u90e8\u5206\u304c\u591a\u3044\u3067\u3059.<\/ul>\n<\/li>\n<\/ul>\n
                                                                      \u7279\u306b Renderer, Surface, Texture \u3042\u305f\u308a\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u7684\u306a\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u304c\u5fc5\u8981\u304b\u3082\u3057\u308c\u307e\u305b\u3093.<\/p>\n
                                                                      SDL \u306e\u30ea\u30dd\u30b8\u30c8\u30ea\u69cb\u6210\u306b\u306a\u3089\u3063\u3066\u30af\u30ec\u30fc\u30c8\u3054\u3068\u306b\u30ea\u30dd\u30b8\u30c8\u30ea\u3092\u4f5c\u6210\u3057\u307e\u3057\u305f\u304c, \u540c\u3058\u30ea\u30dd\u30b8\u30c8\u30ea\u5185\u306b [workspace] \u3068\u3057\u3066\u30af\u30ec\u30fc\u30c8\u3092\u307e\u3068\u3081\u3066\u3082\u3088\u304b\u3063\u305f\u304b\u3082\u3057\u308c\u307e\u305b\u3093.<\/p>\n
                                                                      \u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u4e8c\u91cd\u30ea\u30f3\u30af\u306e\u554f\u984c\u306a\u3069\u304c\u3042\u3063\u305f\u305f\u3081, v0.12.1 \u3067\u3059\u3079\u3066 rich-sdl2-rust \u306e\u30af\u30ec\u30fc\u30c8\u306b\u307e\u3068\u3081\u307e\u3057\u305f.<\/p>\n
                                                                      \u611f\u60f3<\/h1>\n
                                                                      Rust \u306e\u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea\u306b\u306f, std::ffi \u914d\u4e0b\u306b C \u4e92\u63db\u5411\u3051\u306e\u4fbf\u5229\u306a\u6a5f\u80fd\u304c\u591a\u304f\u642d\u8f09\u3055\u308c\u3066\u3044\u307e\u3059. \u304a\u304b\u3052\u3055\u307e\u3067\u601d\u3063\u305f\u3088\u308a\u30b9\u30e0\u30fc\u30ba\u306b\u5b9f\u88c5\u304c\u9032\u307f, \u826f\u3044\u958b\u767a\u4f53\u9a13\u304c\u5f97\u3089\u308c\u307e\u3057\u305f. \u7279\u306b\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u304c\u89aa\u5207\u3067, \u3088\u304f\u3042\u308b\u30df\u30b9\u3084\u4ee3\u66ff\u624b\u6bb5, \u6c17\u3092\u3064\u3051\u308b\u3079\u304d\u6761\u4ef6\u306a\u3069\u3092\u78ba\u8a8d\u3057\u3084\u3059\u304f\u306a\u3063\u3066\u3044\u308b\u306e\u306f, \u4e01\u5be7\u306b\u6539\u5584\u304c\u7e70\u308a\u8fd4\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u611f\u3058\u3055\u305b\u307e\u3059.<\/p>\n
                                                                      \u809d\u5fc3\u306e musical-typer-rust \u306f, \u5143\u3005\u512a\u5148\u5ea6\u304c\u4f4e\u304f, \u4ed6\u306b\u8272\u3005\u3068\u3084\u308b\u3053\u3068\u304c\u3042\u3063\u305f\u308a UB \u3092\u8d77\u3053\u3057\u3066\u3044\u308b\u7b87\u6240\u3092\u7279\u5b9a\u3057\u305f\u308a\u3059\u308b\u624b\u9593\u304c\u5165\u3063\u305f\u308a\u3057\u3066, \u304b\u306a\u308a\u958b\u767a\u306b\u9045\u308c\u304c\u51fa\u307e\u3057\u305f. \u305d\u306e\u4ee3\u308f\u308a\u306b\u7c21\u6f54\u306a\u30a2\u30d7\u30ea\/\u30b2\u30fc\u30e0\u958b\u767a\u304c\u3067\u304d\u308b\u30e9\u30a4\u30d6\u30e9\u30ea\u304c\u5b8c\u6210\u3057\u305f\u306e\u3067, \u3060\u3044\u3076\u6e80\u8db3\u3057\u3066\u3044\u307e\u3059.<\/p>\n","protected":false},"excerpt":{"rendered":"
                                                                      \u3053\u306e\u8a18\u4e8b\u306f\u9650\u754c\u958b\u767a\u9bd6 Advent Calendar 2022 \u306e 3 \u65e5\u76ee\u3067\u3059. \u304d\u3063\u304b\u3051 2020 \u5e74 5 […]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-45440","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\/45440-2\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:description\" content=\"\u3053\u306e\u8a18\u4e8b\u306f\u9650\u754c\u958b\u767a\u9bd6 Advent Calendar 2022 \u306e 3 \u65e5\u76ee\u3067\u3059. \u304d\u3063\u304b\u3051 2020 \u5e74 5 […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/45440-2\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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