{"id":45530,"date":"2023-01-03T00:14:49","date_gmt":"2024-02-25T17:26:34","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/45530-2\/"},"modified":"2024-04-29T08:15:04","modified_gmt":"2024-04-29T00:15:04","slug":"45530-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/45530-2\/","title":{"rendered":""},"content":{"rendered":"

Rust\u306e\u3059\u3054\u3044\u3068\u3053\u308d\u3092\u3001\u30b2\u30fc\u30e0\u958b\u767a\u3092\u4f8b\u3068\u3057\u3066\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n

\u5bfe\u8c61\u8aad\u8005\uff1a
\n– C++ \u4e2d\u7d1a\u8005\u30ec\u30d9\u30eb
\n– Rust \u521d\u5fc3\u8005
\n– Rust \u306b\u8208\u5473\u304c\u3042\u308b\u4eba<\/p>\n

\u3042\u308b\u958b\u767a\u73fe\u5834\u3067\u306e\u4f1a\u8a71<\/h4>\n
\u30c7\u30d0\u30c3\u30b0\u62c5\u5f53\u300c\u30a2\u30d7\u30ea\u304c\u30af\u30e9\u30c3\u30b7\u30e5\u3059\u308b\u3053\u3068\u304c\u3042\u308b\u307f\u305f\u3044\u3067\u3059\u300d\r\n\u30a8\u30f3\u30b8\u30cb\u30a2\u300c\u3048\u3001\u3069\u3046\u3044\u3046\u6642\u306b\u843d\u3061\u308b\u306e\uff1f\u300d\r\n\u30c7\u30d0\u30c3\u30b0\u62c5\u5f53\u300c\u30c7\u30d0\u30c3\u30b0\u3067\u306f\u518d\u73fe\u3057\u307e\u305b\u3093\u3002\u30e6\u30fc\u30b6\u30fc\u3055\u3093\u306e\u58f0\u3092\u898b\u3066\u308b\u3068\u3001\u25cb\u25cb\u30d0\u30c8\u30eb\u306e\u6642\u306b\u843d\u3061\u3084\u3059\u3044\u307f\u305f\u3044\u3067\u3059\u306d\u300d\r\n\u30a8\u30f3\u30b8\u30cb\u30a2\u300c\u3046\u30fc\u3093\u3001\u518d\u73fe\u65b9\u6cd5\u304c\u308f\u304b\u3089\u306a\u3044\u3068\u3001\u8abf\u67fb\u306e\u3057\u3088\u3046\u304c\u7121\u3044\u3093\u3060\u3088\u306d\u30fb\u30fb\u300d\r\n\u30c7\u30d0\u30c3\u30b0\u62c5\u5f53\u300c\u3046\u30fc\u3093\u30fb\u30fb\u300d\r\n\u30a8\u30f3\u30b8\u30cb\u30a2\u300c\u3046\u30fc\u3093\u30fb\u30fb\u300d\r\n\r\n\u305d\u3057\u3066\u6642\u306f\u6d41\u308c\u3066\u3044\u3063\u305f\u3002\r\n\r\n<\/code><\/pre>\n
C++\u3067\u5927\u898f\u6a21\u306a\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u66f8\u3044\u305f\u3053\u3068\u306e\u3042\u308b\u4eba\u306a\u3089\u3001\u3053\u3093\u306a\u7d4c\u9a13\u3001\u3042\u308a\u307e\u3059\u3088\u306d\uff01\uff1f
\n\u3053\u3093\u306a\u72b6\u6cc1\u304c\u8d77\u3053\u3063\u305f\u6642\u3001\u4f55\u304b\u306e\u6761\u4ef6\u3067\u3001\u3069\u3053\u304b\u3067\u30e1\u30e2\u30ea\u7834\u58ca\u304c\u8d77\u3053\u3063\u3066\u3044\u308b\u3001\u3068\u306f\u60f3\u50cf\u3067\u304d\u308b\u306e\u3067\u3059\u304c\u3001\u3069\u3053\u3067\u3001\u3069\u3046\u3084\u3063\u3066\u305d\u308c\u304c\u8d77\u3053\u308b\u306e\u304b\u3001\u8abf\u3079\u308b\u306e\u306f\u3059\u3054\u304f\u5927\u5909\u3067\u3059\u3002<\/p>\n
\u306a\u305c\u30e1\u30e2\u30ea\u7834\u58ca\u304c\u8d77\u3053\u308b\u306e\u304b\u3002\u305d\u308c\u306f\u3001\u3042\u308b\u30e1\u30e2\u30ea\u9818\u57df\u304c\u3001\u3044\u3064\u3069\u3053\u304b\u3089\u5909\u66f4\u3055\u308c\u308b\u306e\u304b\u3092\u3001\u8ab0\u3082\u628a\u63e1\u3067\u304d\u306a\u3044\u304b\u3089\u3060\u3002\uff08\u30c1\u30fc\u30e0\u3067\u958b\u767a\u3059\u308b\u306a\u3089\u306a\u304a\u3055\u3089\uff01\uff09<\/p>\n
\u305d\u308c\u306a\u3089\u3001\u30e1\u30e2\u30ea\u306e\u5909\u66f4\u3092\u30b3\u30f3\u30d1\u30a4\u30e9\u304c\u628a\u63e1\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u3088\u3046\u3001\u3068\u3044\u3046\u306e\u304c\u3001Rust\u3067\u3059\u3002<\/p>\n
\u30e1\u30e2\u30ea\u304c\u5371\u967a\u306a\u30d7\u30ed\u30b0\u30e9\u30e0\u3092C++\u3068Rust\u3067\u66f8\u3044\u3066\u307f\u308b<\/h3>\n
\u4f8b\u3068\u3057\u3066\u3001RPG\u306a\u3069\u3067\u826f\u304f\u3042\u308b\u3001\u3042\u308b\u30ad\u30e3\u30e9\u304c\u4ed6\u306e\u30ad\u30e3\u30e9\u3092\u53ec\u559a\u3059\u308b\u3068\u3044\u3046\u51e6\u7406\u3092\u66f8\u3044\u3066\u307f\u307e\u3059\u3002<\/p>\n
C++<\/h4>\n
\u307e\u305a\u306fC++\u3067\u66f8\u3044\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n
\r\n#pragma once\r\n<\/span>\r\nclass<\/span> GameObjectManager<\/span>;<\/span>\r\n\r\n\/\/\u30b2\u30fc\u30e0\u30ad\u30e3\u30e9\u306a\u3069\u306e\u5404\u7a2e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u8868\u73fe\u3059\u308b\u30af\u30e9\u30b9<\/span>\r\nclass<\/span> GameObject<\/span> {<\/span>\r\npublic:<\/span>\r\n\r\n    GameObject<\/span>();<\/span>\r\n\r\n    \/\/\u4e00\u5b9a\u6642\u9593\u6bce\u306b\u547c\u3070\u308c\u308b\u66f4\u65b0\u51e6\u7406<\/span>\r\n    void<\/span> Update<\/span>(<\/span>GameObjectManager<\/span>*<\/span> manager<\/span>);<\/span>\r\n\r\n    \/\/\u53ec\u559a\u3067\u304d\u308b\u304b\u3092\u5224\u5b9a\u3059\u308b<\/span>\r\n    bool<\/span> CanSummon<\/span>();<\/span>\r\n};<\/span>\r\n<\/code><\/pre>\n
#include \"game_object.hpp\"\r\n#include \"game_object_manager.hpp\"\r\n<\/span>\r\nGameObject<\/span>::<\/span>GameObject<\/span>()<\/span>\r\n{<\/span>\r\n}<\/span>\r\n\r\nvoid<\/span> GameObject<\/span>::<\/span>Update<\/span>(<\/span>GameObjectManager<\/span>*<\/span> manager<\/span>)<\/span>\r\n{<\/span>\r\n    \/\/\u53ec\u559a\u53ef\u80fd\u3060\u3063\u305f\u3089\u3001\u30de\u30cd\u30fc\u30b8\u30e3\u306b\u53ec\u559a\u3092\u4f9d\u983c<\/span>\r\n    if<\/span>(<\/span>CanSummon<\/span>())<\/span> {<\/span>\r\n        manager<\/span>-><\/span>SummonObject<\/span>();<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n\r\nbool<\/span> GameObject<\/span>::<\/span>CanSummon<\/span>()<\/span> {<\/span>\r\n    \/\/\u53ec\u559a\u53ef\u80fd\u304b\u3092\u5224\u5b9a\u3059\u308b\u30ed\u30b8\u30c3\u30af<\/span>\r\n    return<\/span> true<\/span>;<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
#pragma once\r\n<\/span>\r\n#include \"game_object.hpp\"\r\n#include <vector>\r\n<\/span>\r\n\/\/\u30b2\u30fc\u30e0\u5185\u306b\u5b58\u5728\u3059\u308bGameObject\u3092\u7ba1\u7406\u3059\u308b\u30af\u30e9\u30b9<\/span>\r\nclass<\/span> GameObjectManager<\/span> {<\/span>\r\nprivate:<\/span>\r\n    std<\/span>::<\/span>vector<\/span><<\/span>GameObject<\/span>><\/span> _game_objects<\/span>;<\/span>\r\npublic:<\/span>\r\n\r\n    GameObjectManager<\/span>();<\/span>\r\n\r\n    \/\/\u4e00\u5b9a\u6642\u9593\u6bce\u306b\u547c\u3070\u308c\u308b\u66f4\u65b0\u51e6\u7406<\/span>\r\n    void<\/span> Update<\/span>();<\/span>\r\n\r\n    \/\/\u30ad\u30e3\u30e9\u3092\u53ec\u559a\u3059\u308b<\/span>\r\n    void<\/span> SummonObject<\/span>();<\/span>\r\n\r\n};<\/span>\r\n<\/code><\/pre>\n
#include \"game_object_manager.hpp\"\r\n<\/span>\r\nGameObjectManager<\/span>::<\/span>GameObjectManager<\/span>()<\/span>\r\n{<\/span>\r\n}<\/span>\r\n\r\nvoid<\/span> GameObjectManager<\/span>::<\/span>Update<\/span>()<\/span> {<\/span>\r\n    \/\/\u5168\u3066\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092Update<\/span>\r\n    for<\/span>(<\/span>GameObject<\/span>&<\/span> obj<\/span> :<\/span> _game_objects<\/span>)<\/span> {<\/span>\r\n        obj<\/span>.<\/span>Update<\/span>(<\/span>this<\/span>);<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n\r\nvoid<\/span> GameObjectManager<\/span>::<\/span>SummonObject<\/span>()<\/span> {<\/span>\r\n    \/\/\u65b0\u3057\u3044\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u751f\u6210\u3057\u3001vector\u306b\u8ffd\u52a0<\/span>\r\n    _game_objects<\/span>.<\/span>emplace_back<\/span>(<\/span>GameObject<\/span>());<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u3067\u7d20\u76f4\u306b\u66f8\u304f\u3068\u3001\u3053\u3093\u306a\u611f\u3058\u306b\u306a\u308b\u3067\u3057\u3087\u3046\u304b\u3002\u3042\u308b\u30ad\u30e3\u30e9\uff08GameObject\uff09\u304c\u3001\u53ec\u559a\u53ef\u80fd\u3068\u5224\u65ad\u3059\u308b\u3068\u3001\u30de\u30cd\u30fc\u30b8\u30e3\u30fc\u30af\u30e9\u30b9\u3092\u901a\u3058\u3066\u30ad\u30e3\u30e9\u3092\u53ec\u559a\u3001_game_objects\u306b\u8ffd\u52a0\u3059\u308b\u3002\u5b8c\u74a7\u3067\u3059\u306d\uff01<\/p>\n
\u3057\u304b\u3057\u3053\u306e\u30b3\u30fc\u30c9\u3001\u843d\u3068\u3057\u7a74\u304c\u3042\u308b\u306e\u3067\u3059\u3002\u5b9f\u969b\u306b\u52d5\u304b\u3057\u3066\u307f\u308b\u3068\u3001\u30ad\u30e3\u30e9\u304c\u4e00\u5b9a\u6570\u5897\u3048\u305f\u5f8c\u3001\u8ab0\u304b\u304c\u53ec\u559a\u3092\u3059\u308b\u3068\u3001\u3057\u3070\u3089\u304f\u3057\u3066\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u30af\u30e9\u30c3\u30b7\u30e5\u3057\u305f\u308a\u3059\u308b\u306e\u3067\u3059\u3002\u3067\u3082\u3001\u5fc5\u305a\u3053\u3046\u3059\u308c\u3070\u30af\u30e9\u30c3\u30b7\u30e5\u3059\u308b\u3001\u3068\u6c7a\u307e\u3063\u3066\u3044\u306a\u3044\u306e\u3067\u3059\u3002<\/p>\n
\u4e00\u4f53\u3053\u306e\u8b0e\u306e\u30a8\u30e9\u30fc\u306e\u539f\u56e0\u306f\u306a\u3093\u3067\u3057\u3087\u3046\u304b\uff1f\u51e6\u7406\u306e\u6d41\u308c\u3092\u8ffd\u3063\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n
GameObjectManager::Update()\u304c\u547c\u3070\u308c\u308b\r\n  _game_objects\u305d\u308c\u305e\u308c\u306b\u3064\u3044\u3066\r\n  {\r\n\u3000  GameObject::Update()\u3092\u547c\u3076\r\n    \u4e00\u5b9a\u306e\u6761\u4ef6\u3067\u3001GameObjectManager::SummonObject()\u304c\u547c\u3070\u308c\u308b\r\n    _game_objects\u306b\u65b0\u3057\u3044GameObject\u3092\u8ffd\u52a0\u3059\u308b\u3002\r\n  }\r\n<\/code><\/pre>\n
\u3088\u304f\u898b\u308b\u3068\u3001_game_objects\u306e\u30eb\u30fc\u30d7\u4e2d\u306b\u3001_game_objects\u306b\u8ffd\u52a0\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002
\nstd::vector\u306f\u53ef\u5909\u9577\u306e\u914d\u5217\u3067\u3001\u30e1\u30e2\u30ea\u306e\u8a31\u3059\u9650\u308a\u3001\u30c7\u30fc\u30bf\u3092\u8ffd\u52a0\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
vector\u5185\u90e8\u3067\u306f\u3001\u4e00\u5b9a\u6570\u306e\u30e1\u30e2\u30ea\u9818\u57df\u3092\u4e88\u7d04\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u305d\u306e\u4e88\u7d04\u3057\u305f\u9818\u57df\u3092\u8d8a\u3048\u308b\u30c7\u30fc\u30bf\u3092
\n\u8ffd\u52a0\u3057\u3088\u3046\u3068\u3057\u305f\u6642\u3001\u65b0\u305f\u306b\u30e1\u30e2\u30ea\u3092\u78ba\u4fdd\u3057\u306a\u304a\u3057\u3001\u5185\u90e8\u306e\u30c7\u30fc\u30bf\u3092\u5168\u90e8\u305d\u3053\u306b\u79fb\u52d5\u3059\u308b\u3093\u3067\u3059\u306d\u3002<\/p>\n
\u3082\u3057\u3001GameObjectManager::SummonObject()\u306e\u6642\u306b\u3001\u30e1\u30e2\u30ea\u306e\u518d\u914d\u7f6e\u304c\u884c\u308f\u308c\u305f\u5834\u5408\u3001
\nGameObjectManager::Update()\u3067\u4f7f\u3063\u3066\u3044\u305f\u30a4\u30c6\u30ec\u30fc\u30bf\u306f\u3001\u3082\u3046\u7121\u52b9\u306a\u30a2\u30c9\u30ec\u30b9\u3092\u6307\u3059\u3053\u3068\u306b\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n
\u7121\u52b9\u306b\u306a\u3063\u305f\u30a4\u30c6\u30ec\u30fc\u30bf\u306e\u53c2\u7167\u5148\u304c\u3001\u5225\u306e\u51e6\u7406\u306b\u3088\u3063\u3066\u78ba\u4fdd\u3055\u308c\u305f\u3001\u9055\u3046\u7528\u9014\u306e\u30e1\u30e2\u30ea\u9818\u57df\u306b\u306a\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002\u305d\u3046\u3059\u308b\u3068\u30e1\u30e2\u30ea\u7834\u58ca\u304c\u8d77\u3053\u308a\u3001\u4f55\u304b\u306e\u304d\u3063\u304b\u3051\u3067\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u30af\u30e9\u30c3\u30b7\u30e5\u3057\u307e\u3059\u3002<\/p>\n
\u554f\u984c\u306f\u3001\u3053\u306e\u3088\u3046\u306a\u6f5c\u5728\u7684\u306a\u554f\u984c\u306b\u3001\u3042\u308b\u7a0b\u5ea6\u7d4c\u9a13\u306e\u3042\u308b\u30d7\u30ed\u30b0\u30e9\u30de\u3067\u306a\u3051\u308c\u3070\u3001\u6c17\u3065\u3051\u306a\u3044\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002<\/p>\n
Rust\u3067\u66f8\u3044\u3066\u307f\u308b<\/h4>\n
\u3055\u3066\u3001\u4e0a\u8a18\u306e\u3088\u3046\u306a\u30b3\u30fc\u30c9\u3092Rust\u3067\u66f8\u3044\u3066\u307f\u308b\u3068\u3001\u3069\u3046\u306a\u308b\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n
\u672c\u7a3f\u306e\u8aad\u8005\u306e\u65b9\u306f\u3001Rust\u521d\u5fc3\u8005\u3060\u3068\u601d\u3044\u307e\u3059\u306e\u3067\u3001\u30b3\u30fc\u30c9\u4e00\u3064\u4e00\u3064\u306b\u89e3\u8aac\u3092\u3064\u3051\u3066\u3044\u307e\u3059\u3002<\/p>\n
\r\n\/\/Rust\u306b\u306f class \u306f\u306a\u304f struct\u306e\u307f<\/span>\r\nstruct<\/span> GameObject<\/span> {<\/span>\r\n}<\/span>\r\n\r\n\/\/GameObject\u306e\u5b9f\u88c5<\/span>\r\nimpl<\/span> GameObject<\/span> {<\/span>\r\n\r\n    \/\/self\u306fC++\u3067\u8a00\u3046this\u306e\u3053\u3068<\/span>\r\n    \/\/&\u306f\u53c2\u7167\u3092\u610f\u5473\u3059\u308b<\/span>\r\n    \/\/mut\u306f\u30df\u30e5\u30fc\u30bf\u30d6\u30eb\uff08\u5909\u66f4\u53ef\u80fd\uff09\u3067\u3042\u308b\u3053\u3068\u3092\u610f\u5473\u3059\u308b<\/span>\r\n    \/\/GameObject\u306eupdate\u306f\u81ea\u8eab\u306e\u72b6\u614b\u3092\u5909\u5316\u3055\u305b\u308b\u306e\u3067\u3001&mut self \u3068\u3059\u308b<\/span>\r\n    \/\/\u3055\u3089\u306b\u3001\u81ea\u8eab\u3092\u7ba1\u7406\u3059\u308bGameObjectManager\u306b\u5bfe\u3057\u3066\u3001\u4f55\u304b\u5909\u66f4\u3092\u52a0\u3048\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u306e\u3067\u3001&mut GameObjectManager \u3068\u306a\u308b<\/span>\r\n    fn<\/span> update<\/span>(<\/span>&<\/span>mut<\/span> self<\/span>,<\/span> manager<\/span>:<\/span> &<\/span>mut<\/span> GameObjectManager<\/span>)<\/span> {<\/span>\r\n        if<\/span> self<\/span>.can_summon<\/span>()<\/span> {<\/span>\r\n            manager<\/span>.summon_object<\/span>();<\/span>\r\n        }<\/span>\r\n    }<\/span>\r\n\r\n    \/\/\u53ec\u559a\u53ef\u80fd\u304b\u3092\u8fd4\u3059\u95a2\u6570<\/span>\r\n    \/\/self\u306e\u4e2d\u8eab\u3092\u5909\u66f4\u3059\u308b\u3053\u3068\u306f\u306a\u3044\u306e\u3067\u3001mut\u306f\u4ed8\u3051\u306a\u3044<\/span>\r\n    fn<\/span> can_summon<\/span>(<\/span>&<\/span>self<\/span>)<\/span> -><\/span> bool<\/span> {<\/span>\r\n        \/\/self\u3092\u4f7f\u3063\u3066\u4f55\u304b\u72b6\u614b\u3092\u30c1\u30a7\u30c3\u30af<\/span>\r\n        true<\/span>    \/\/\u30bb\u30df\u30b3\u30ed\u30f3\u3092\u4ed8\u3051\u305a\u306b\u66f8\u304f\u3068 return true; \u306e\u610f\u5473\u306b\u306a\u308b<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n\r\nstruct<\/span> GameObjectManager<\/span> {<\/span>\r\n    \/\/Vec\u306fC++\u3067\u8a00\u3046std::vector<\/span>\r\n    game_objects<\/span>:<\/span> Vec<\/span><<\/span>GameObject<\/span>><\/span>\r\n}<\/span>\r\n\r\nimpl<\/span> GameObjectManager<\/span> {<\/span>\r\n\r\n    \/\/\u81ea\u8eab\u306e\u6301\u3064\u5909\u6570\u306b\u5909\u66f4\u3092\u52a0\u3048\u308b\u306e\u3067\u3001&mut self<\/span>\r\n    fn<\/span> update<\/span>(<\/span>&<\/span>mut<\/span> self<\/span>)<\/span> {<\/span>\r\n\r\n        \/\/\u5404GameObject\u306e\u30df\u30e5\u30fc\u30bf\u30d6\u30eb\u306a\u53c2\u7167\u3092\u53d6\u3063\u3066update\u3092\u547c\u3076<\/span>\r\n        \/\/C++\u3068\u9055\u3044\u3001\u53c2\u7167\u3092\u5f97\u308b\u969b\u306b\u3082 & \u304c\u5fc5\u8981<\/span>\r\n        for<\/span> o<\/span> in<\/span> &<\/span>mut<\/span> self<\/span>.game_objects<\/span> {<\/span>\r\n            o<\/span>.update<\/span>(<\/span>self<\/span>);<\/span>\r\n        }<\/span>\r\n    }<\/span>\r\n\r\n    \/\/\u53ec\u559a<\/span>\r\n    \/\/game_objects\u306b\u5909\u66f4\u3092\u52a0\u3048\u308b\u306e\u3067&mut self<\/span>\r\n    fn<\/span> summon_object<\/span>(<\/span>&<\/span>mut<\/span> self<\/span>)<\/span> {<\/span>\r\n        self<\/span>.game_objects<\/span>.push<\/span>(<\/span>GameObject<\/span>{});<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
mut\u3068\u3044\u3046\u898b\u6163\u308c\u306a\u3044\u30ad\u30fc\u30ef\u30fc\u30c9\u304c\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n
mut\u3068\u306fmutable\u306e\u3053\u3068\u3067\u3001\u7c21\u5358\u306b\u8a00\u3046\u3068\u300c\u3053\u308c\u304b\u3089\u3053\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u5909\u66f4\u3059\u308b\u3088\u3001\u3068\u3044\u3046\u610f\u5473\u3067\u3059\u3002C++\u306econst\u306e\u9006\u307f\u305f\u3044\u306a\u3082\u306e\u304b\u3001\u3068\u601d\u3046\u304b\u3082\u77e5\u308c\u307e\u305b\u3093\u304c\u3001\u305d\u3046\u3067\u3082\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n
\u8a73\u3057\u304f\u306f\u5272\u611b\u3057\u307e\u3059\u304c\u3001\u3053\u3053\u3067\u7406\u89e3\u3057\u3066\u3082\u3089\u3044\u305f\u3044\u306e\u306f\u3001 Rust\u3067\u306f\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30df\u30e5\u30fc\u30bf\u30d3\u30ea\u30c6\u30a3\uff08\u5909\u66f4\u3092\u52a0\u3048\u308b\u4e8b\uff09\u3092\u30b3\u30f3\u30d1\u30a4\u30e9\u304c\u7406\u89e3\u3057\u3066\u3001\u5371\u967a\u306a\u5909\u66f4\u306f\u3067\u304d\u306a\u3044\u3088\u3046\u306b\u30c1\u30a7\u30c3\u30af\u3057\u3066\u304f\u308c\u308b \u3001\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002<\/p>\n
\u3053\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u30b3\u30f3\u30d1\u30a4\u30eb\u3057\u3066\u307f\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30a8\u30e9\u30fc\u304c\u51fa\u529b\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n
error[E0499]: cannot borrow `*self` as mutable more than once at a time\r\n  --> src\/main.rs:27:22\r\n   |\r\n26 |         for o in &mut self.game_objects {\r\n   |                  ----------------------\r\n   |                  |\r\n   |                  first mutable borrow occurs here\r\n   |                  first borrow used here, in later iteration of loop\r\n27 |             o.update(self);\r\n   |                      ^^^^ second mutable borrow occurs here\r\n\r\nerror: aborting due to previous error\r\n\r\nFor more information about this error, try `rustc --explain E0499`.\r\n<\/code><\/pre>\n
\u9806\u756a\u306b\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n
error[E0499]: cannot borrow `*self` as mutable more than once at a time\r\n<\/code><\/pre>\n
\u7ffb\u8a33\u3059\u308b\u3068\u3001\u81ea\u8eab\u306e\u30df\u30e5\u30fc\u30bf\u30d6\u30eb\u53c2\u7167\u3092\u4e00\u5ea6\u306b\uff12\u56de\u4ee5\u4e0a\u53d6\u5f97\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002
\n\u3068\u306a\u308b\u3067\u3057\u3087\u3046\u304b\u3002\uff08borrow\u3068\u306f\u3001&\u3092\u4f7f\u3063\u3066\u53c2\u7167\u3092\u5f97\u308b\u3053\u3068\u3067\u3059\uff09<\/p>\n
\u305d\u3057\u3066\u3001\u30a8\u30e9\u30fc\u306e\u8a73\u7d30\u304c\u51fa\u3066\u3044\u307e\u3059\u3002\uff08\u3068\u3063\u3066\u3082\u308f\u304b\u308a\u3084\u3059\u3044\uff01\uff09<\/p>\n
26 |         for o in &mut self.game_objects {\r\n   |                  ----------------------\r\n   |                  |\r\n   |                  first mutable borrow occurs here\r\n<\/code><\/pre>\n
\u307e\u305a\u3053\u3053\u3067\u3001\u6700\u521d\u306e\u30df\u30e5\u30fc\u30bf\u30d6\u30eb\u53c2\u7167\u304c\u8d77\u3053\u3063\u3066\u3044\u308b\u3001\u3068\u306e\u3053\u3068\u3067\u3059\u3002\u81ea\u8eab\u306e\u30e1\u30f3\u30d0\u5909\u6570\u3078\u306e\u30df\u30e5\u30fc\u30bf\u30d6\u30eb\u53c2\u7167\u3092\u5f97\u308b\u3053\u3068\u306f\u3001\u81ea\u8eab\u3078\u306e\u30df\u30e5\u30fc\u30bf\u30d6\u30eb\u53c2\u7167\u3092\u5f97\u308b\u3053\u3068\u306b\u3082\u306a\u308b\u3093\u3067\u3059\u306d\u3002<\/p>\n
\u305d\u3057\u3066\u3001<\/p>\n
27 |             o.update(self);\r\n   |                      ^^^^ second mutable borrow occurs here\r\n<\/code><\/pre>\n
\u3053\u3053\u304c\uff12\u56de\u76ee\u306e\u30df\u30e5\u30fc\u30bf\u30d6\u30eb\u53c2\u7167\u3060\u3068\u3002
\nGameObject::update\u306f\u3001GameObjectManager\u3078\u306e\u30df\u30e5\u30fc\u30bf\u30d6\u30eb\u53c2\u7167\u3092\u53d6\u3063\u3066\u3044\u307e\u3059\u304b\u3089\u306d\u3002<\/p>\n
Rust\u3067\u306f\u3001\u53c2\u7167\u306b\u95a2\u3057\u3066\u3001\u4ee5\u4e0b\u306e\u3069\u3061\u3089\u304b\u306e\u72b6\u614b\u3067\u3042\u308b\u3053\u3068\u3092\u30c1\u30a7\u30c3\u30af\u3057\u307e\u3059\u3002<\/p>\n
    \n
  • \n
      \u30df\u30e5\u30fc\u30bf\u30d6\u30eb\u53c2\u7167\u304c\u3001\uff11\u3064\u3060\u3051\u3042\u308b\u72b6\u614b\u3002\u3053\u306e\u5834\u5408\u306f\u30a4\u30df\u30e5\u30fc\u30bf\u30d6\u30eb\uff08mut\u306e\u4ed8\u304b\u306a\u3044\uff09\u53c2\u7167\u3082\u542b\u3081\u3066\u3001\u4ed6\u306e\u53c2\u7167\u304c\uff11\u3064\u3067\u3082\u3042\u3063\u3066\u306f\u306a\u3089\u306a\u3044\u3002<\/ul>\n<\/li>\n<\/ul>\n
       <\/p>\n
        \u30a4\u30df\u30e5\u30fc\u30bf\u30d6\u30eb\u53c2\u7167\u304c\u3001\u8907\u6570\u3042\u308b\u72b6\u614b\uff08\u30df\u30e5\u30fc\u30bf\u30d6\u30eb\u53c2\u7167\u306f\u306a\u3057\uff09<\/ul>\n
        \u3053\u306e\u6761\u4ef6\u306b\u5408\u308f\u306a\u3044\u53c2\u7167\u304c\u306a\u3055\u308c\u3066\u3044\u305f\u5834\u5408\u306f\u3001\u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc\u3068\u306a\u308b\u3093\u3067\u3059\u306d\u3002
        \n\u3082\u3046\u5c11\u3057\u308f\u304b\u308a\u3084\u3059\u304f\u8a00\u3046\u3068\u3001<\/p>\n
          \n
        • \n
            \u8ab0\u304b\u304c\u66f8\u304d\u8fbc\u3093\u3067\u3044\u308b\u6642\u306f\u3001\u4ed6\u306e\u4eba\u306f\u4e00\u5207\u89e6\u3063\u3061\u3083\u3060\u3081\u3002\u898b\u3066\u3082\u3060\u3081\u3002<\/ul>\n<\/li>\n<\/ul>\n
             <\/p>\n
              \u898b\u308b\u3060\u3051\u306a\u3089\u3001\u8907\u6570\u540c\u6642\u306b\u898b\u308b\u306e\u306fOK<\/ul>\n
              \u3053\u3093\u306a\u611f\u3058\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n
              \u3053\u306e\u5236\u9650\u3092\u8ab2\u3059\u3053\u3068\u3067\u3001\u30e1\u30e2\u30ea\u306e\u5b89\u5168\u6027\u3092\u4fdd\u8a3c\u3057\u3066\u3044\u308b\u8a33\u3067\u3059\u3002<\/p>\n
              \u3055\u3066\u3001\u30b3\u30f3\u30d1\u30a4\u30eb\u304c\u901a\u308a\u307e\u305b\u3093\u3002\u56f0\u308a\u307e\u3057\u305f\u306d\u3002<\/p>\n
              \u8981\u306f\u3001GameObject\u304c\u3001\u81ea\u8eab\u3092\u7ba1\u7406\u3059\u308bGameObjectManager\u306b\u5909\u66f4\u3092\u52a0\u3048\u308b\u3001\u3068\u3044\u3046\u8a2d\u8a08\u304c\u305d\u3082\u305d\u3082\u30c0\u30e1\u306a\u69d8\u3067\u3059\u3002\u5b9f\u969b\u3001\u524d\u8ff0\u306eC++\u306e\u65b9\u3067\u306f\u3001\u3053\u306e\u8a2d\u8a08\u3092\u3057\u305f\u3053\u3068\u3067\u3001\u30e1\u30e2\u30ea\u7834\u58ca\u304c\u8d77\u304d\u3066\u3057\u307e\u3044\u307e\u3057\u305f\u3002<\/p>\n
              \u305d\u3046\u3001C++\u3067\u306f\u30e9\u30f3\u30bf\u30a4\u30e0\u30a8\u30e9\u30fc\u3068\u306a\u308b\u3068\u3053\u308d\u3092\u3001Rust\u3067\u306f\u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc\u306b\u3057\u3066\u304f\u308c\u308b\u306e\u3067\u3059\uff01
              \n\u30e9\u30f3\u30bf\u30a4\u30e0\u30a8\u30e9\u30fc\u3068\u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc\u3001\u30d0\u30b0\u306e\u8abf\u67fb\u304c\u3069\u3061\u3089\u304c\u697d\u304b\u306f\u3001\u660e\u3089\u304b\u3067\u3059\u3088\u306d\uff01
              \nRust\u3059\u3054\u3044\uff01<\/p>\n
              \u3053\u308c\u304c\u3001\u7b46\u8005\u304cRust\u3092\u304a\u52e7\u3081\u3059\u308b\u7406\u7531\u306e\u4e00\u3064\u3067\u3059\u3002<\/p>\n
              Rust\u3092\u52c9\u5f37\u3057\u3066\u3044\u308b\u3068\u3001C++\u3063\u3066\u3069\u3046\u3057\u3066\u3053\u3093\u306a\u306b\u3082\u3001\u306a\u3093\u3067\u3082\u3042\u308a\u306a\u3093\u3060\uff01\u3068\u601d\u3046\u69d8\u306b\u306a\u308a\u307e\u3059\u3002
              \n\u307e\u308b\u3067\u3001\u4fe1\u53f7\u3082\u8eca\u7dda\u3082\u306a\u3044\u9053\u8def\u306e\u69d8\u3002\u6016\u304f\u3066\u8d70\u308c\u307e\u305b\u3093\u3002<\/p>\n
              Rust\u3092\u5b9f\u969b\u306b\u696d\u52d9\u3067\u4f7f\u3046\u3053\u3068\u304c\u306a\u304f\u3066\u3082\u3001Rust\u306e\u8003\u3048\u65b9\u3092\u5b66\u3076\u3053\u3068\u3067\u3001C++\u3084\u4ed6\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u3092\u66f8\u304f\u3068\u304d\u3082\u3001\u30e1\u30e2\u30ea\u5b89\u5168\u6027\u3092\u8003\u616e\u3057\u3066\u66f8\u3051\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
              \u3053\u306e\u6a5f\u4f1a\u306b\u3001Rust\u3092\u52c9\u5f37\u3057\u3066\u307f\u3066\u306f\u3044\u304b\u304c\u3067\u3057\u3087\u3046\u304b\uff1f<\/p>\n","protected":false},"excerpt":{"rendered":"
              Rust\u306e\u3059\u3054\u3044\u3068\u3053\u308d\u3092\u3001\u30b2\u30fc\u30e0\u958b\u767a\u3092\u4f8b\u3068\u3057\u3066\u7d39\u4ecb\u3057\u307e\u3059\u3002 \u5bfe\u8c61\u8aad\u8005\uff1a – C++ \u4e2d\u7d1a\u8005\u30ec\u30d9\u30eb  […]<\/p>\n","protected":false},"author":12,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-45530","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\/45530-2\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:description\" content=\"Rust\u306e\u3059\u3054\u3044\u3068\u3053\u308d\u3092\u3001\u30b2\u30fc\u30e0\u958b\u767a\u3092\u4f8b\u3068\u3057\u3066\u7d39\u4ecb\u3057\u307e\u3059\u3002 \u5bfe\u8c61\u8aad\u8005\uff1a – C++ \u4e2d\u7d1a\u8005\u30ec\u30d9\u30eb […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/45530-2\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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