{"id":45486,"date":"2023-06-09T03:28:36","date_gmt":"2023-02-20T01:07:43","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/45486-2\/"},"modified":"2024-04-30T08:00:37","modified_gmt":"2024-04-30T00:00:37","slug":"45486-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/45486-2\/","title":{"rendered":""},"content":{"rendered":"

C++\u3068Rust\u3068\u306e\u5b9f\u88c5\u6bd4\u8f03<\/h1>\n

Rust\u306b\u306f\u30af\u30e9\u30b9\u304c\u306a\u3044\u306e\u3067\u3059\u304c\u3001\u7d99\u627f\u7b49\u3092\u8003\u3048\u306a\u3051\u308c\u3070struct\u3068impl\u3067\u540c\u3058\u3053\u3068\u304c\u3067\u304d\u305d\u3046\u306a\u306e\u3067\u3001\u8a66\u3057\u306b\u5b9f\u88c5\u3092\u6bd4\u8f03\u3057\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n

C++ ver.<\/h2>\n

\u9069\u5f53\u306a\u30af\u30e9\u30b9MyStruct\u3092\u4f5c\u3063\u3066main.cpp\u304b\u3089\u53e9\u304f\u3060\u3051\u3002\u307e\u305f\u3001\u7d50\u679c\u3092\u6a19\u6e96\u51fa\u529b\u306b\u66f8\u304d\u51fa\u3057\u307e\u3059\u304c\u3001\u305d\u306e\u305f\u3081\u306boperator<<\u3092\u4f5c\u3063\u3066\u304a\u304d\u307e\u3059\u3002
\n\u3061\u306a\u307f\u306b\u3001\u540d\u524d\u7a7a\u9593mystruct\u3092\u308f\u3056\u308f\u3056\u4f7f\u3063\u3066\u308b\u306e\u3082Rust\u3068\u306e\u6bd4\u8f03\u306e\u305f\u3081\u3067\u3059\u3002<\/p>\n

\u30e1\u30a4\u30f3\u90e8\u5206 (C++)<\/h3>\n
#include \"mystruct.h\"\r\n#include <iostream>\r\n#include <string>\r\n<\/span>\r\nusing<\/span> mystruct<\/span>::<\/span>MyStruct<\/span>;<\/span>\r\nusing<\/span> std<\/span>::<\/span>string<\/span>;<\/span>\r\n\r\nint<\/span> main<\/span>()<\/span> {<\/span>\r\n  const<\/span> string<\/span> name<\/span>(<\/span>\"hoge\"<\/span>);<\/span>\r\n  constexpr<\/span> unsigned<\/span> char<\/span> age<\/span> =<\/span> 8<\/span>;<\/span>\r\n  MyStruct<\/span> m<\/span>(<\/span>name<\/span>,<\/span> age<\/span>);<\/span>\r\n  std<\/span>::<\/span>cout<\/span> <<<\/span> \"Hello, \"<\/span> <<<\/span> m<\/span> <<<\/span> std<\/span>::<\/span>endl<\/span>;<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
MyStruct\u306e\u30d8\u30c3\u30c0\u30fc (C++)<\/h3>\n
\u30a4\u30f3\u30af\u30eb\u30fc\u30c9\u30ac\u30fc\u30c9\u3084namespace\u3092\u5165\u308c\u308b\u3068\u5c11\u3057\u30b4\u30bf\u30b4\u30bf\u3057\u305f\u611f\u3058\u306e\u898b\u305f\u76ee\u306b\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u306d\u3002<\/p>\n
#ifndef _MYSTRUCT_H_\r\n#define _MYSTRUCT_H_\r\n#include <iostream>\r\n#include <string>\r\n<\/span>\r\nnamespace<\/span> mystruct<\/span> {<\/span>\r\n\r\nclass<\/span> MyStruct<\/span> {<\/span>\r\npublic:<\/span>\r\n  MyStruct<\/span>()<\/span> =<\/span> delete<\/span>;<\/span>\r\n  MyStruct<\/span>(<\/span>const<\/span> std<\/span>::<\/span>string<\/span> &<\/span>,<\/span> const<\/span> unsigned<\/span> char<\/span>);<\/span>\r\n\r\n  friend<\/span> std<\/span>::<\/span>ostream<\/span> &<\/span>operator<\/span><<<\/span>(<\/span>std<\/span>::<\/span>ostream<\/span> &<\/span>,<\/span> const<\/span> MyStruct<\/span> &<\/span>);<\/span>\r\n\r\nprivate:<\/span>\r\n  const<\/span> std<\/span>::<\/span>string<\/span> name<\/span>;<\/span>\r\n  const<\/span> unsigned<\/span> char<\/span> age<\/span>;<\/span>\r\n};<\/span>\r\n}<\/span> \/\/ namespace mystruct<\/span>\r\n\r\n#endif\r\n<\/span><\/code><\/pre>\n
MyStruct\u306e\u5b9f\u88c5 (C++)<\/h3>\n
operator<<\u306e\u5b9f\u88c5\u304c\u30c0\u30b5\u3044\u30fb\u30fb\u30fb\u3002<\/p>\n
#include \"mystruct.h\"\r\n<\/span>\r\nnamespace<\/span> mystruct<\/span> {<\/span>\r\nusing<\/span> std<\/span>::<\/span>ostream<\/span>;<\/span>\r\nusing<\/span> std<\/span>::<\/span>string<\/span>;<\/span>\r\n\r\nMyStruct<\/span>::<\/span>MyStruct<\/span>(<\/span>const<\/span> string<\/span> &<\/span>name<\/span>,<\/span> const<\/span> unsigned<\/span> char<\/span> age<\/span>)<\/span>\r\n    :<\/span> name<\/span>(<\/span>name<\/span>),<\/span> age<\/span>(<\/span>age<\/span>){};<\/span>\r\n\r\nostream<\/span> &<\/span>operator<\/span><<<\/span>(<\/span>ostream<\/span> &<\/span>os<\/span>,<\/span> const<\/span> MyStruct<\/span> &<\/span>m<\/span>)<\/span> {<\/span>\r\n  os<\/span> <<<\/span> \"(\"<\/span> <<<\/span> m<\/span>.<\/span>name<\/span> <<<\/span> \", \"<\/span> <<<\/span> static_cast<\/span><<\/span>unsigned<\/span> int<\/span>><\/span>(<\/span>m<\/span>.<\/span>age<\/span>)<\/span> <<<\/span> \")\"<\/span>;<\/span>\r\n  return<\/span> os<\/span>;<\/span>\r\n}<\/span>\r\n\r\n}<\/span> \/\/ namespace mystruct<\/span>\r\n<\/code><\/pre>\n
\u30b3\u30f3\u30d1\u30a4\u30eb\u3068\u5b9f\u884c (C++)<\/h3>\n
$ <\/span>c++ -std<\/span>=<\/span>c++14 -Wall<\/span> -Wextra<\/span> main.cpp mystruct.cpp -o<\/span> a.out \r\n$ <\/span>.\/aout\r\nHello, (<\/span>hoge, 8)<\/span>\r\n<\/code><\/pre>\n
\u30b3\u30fc\u30c9\u306f\u3053\u3061\u3089<\/p>\n
Rust\u306e\u30b3\u30fc\u30c9<\/h2>\n
cargo\u3067\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u4f5c\u6210\u3057\u3066\u8a66\u3057\u3066\u307e\u3057\u305f\u304c\u3001\u3053\u3053\u3067\u306f\u95a2\u9023\u3059\u308b\u6700\u5c0f\u9650\u3060\u3051\u3092\u629c\u304d\u51fa\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n
\u30e1\u30a4\u30f3\u90e8\u5206 (Rust)<\/h3>\n
mod<\/span> mystruct<\/span>;<\/span>\r\nuse<\/span> mystruct<\/span>::<\/span>MyStruct<\/span>;<\/span>\r\n\r\nfn<\/span> main<\/span>()<\/span> {<\/span>\r\n    let<\/span> name<\/span> =<\/span> String<\/span>::<\/span>from<\/span>(<\/span>\"hoge\"<\/span>);<\/span>\r\n    let<\/span> age<\/span> =<\/span> 8<\/span>;<\/span>\r\n    let<\/span> m<\/span> =<\/span> MyStruct<\/span>::<\/span>new<\/span>(<\/span>&<\/span>name<\/span>,<\/span> age<\/span>);<\/span>\r\n    println!<\/span>(<\/span>\"Hello, {}\"<\/span>,<\/span> m<\/span>);<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
MyStruct\u306e\u5b9f\u88c5 (Rust)<\/h3>\n
use<\/span> std<\/span>::<\/span>fmt<\/span>;<\/span>\r\n\r\npub<\/span> struct<\/span> MyStruct<\/span> {<\/span>\r\n    name<\/span>:<\/span> String<\/span>,<\/span>\r\n    age<\/span>:<\/span> u8<\/span>,<\/span>\r\n}<\/span>\r\n\r\nimpl<\/span> fmt<\/span>::<\/span>Display<\/span> for<\/span> MyStruct<\/span> {<\/span>\r\n    fn<\/span> fmt<\/span>(<\/span>&<\/span>self<\/span>,<\/span> f<\/span>:<\/span> &<\/span>mut<\/span> fmt<\/span>::<\/span>Formatter<\/span>)<\/span> -><\/span> fmt<\/span>::<\/span>Result<\/span> {<\/span>\r\n        write!<\/span>(<\/span>f<\/span>,<\/span> \"({}, {})\"<\/span>,<\/span> self<\/span>.name<\/span>,<\/span> self<\/span>.age<\/span>)<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n\r\nimpl<\/span> MyStruct<\/span> {<\/span>\r\n    pub<\/span> fn<\/span> new<\/span>(<\/span>name<\/span>:<\/span> &<\/span>String<\/span>,<\/span> age<\/span>:<\/span> u8<\/span>)<\/span> -><\/span> MyStruct<\/span> {<\/span>\r\n        MyStruct<\/span> {<\/span>\r\n            name<\/span>:<\/span> name<\/span>.clone<\/span>(),<\/span>\r\n            age<\/span>,<\/span>\r\n        }<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u30b3\u30f3\u30d1\u30a4\u30eb\u3068\u5b9f\u884c (Rust)<\/h3>\n
\u6bd4\u8f03\u306e\u305f\u3081\u3001cargo\u306e\u4ee3\u308f\u308a\u306b\u76f4\u63a5rustc\u3092\u4f7f\u3063\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n
$ <\/span>rustic main.rs\r\n$ <\/span>.\/a.out\r\nHello, (<\/span>hoge, 8)<\/span>\r\n<\/code><\/pre>\n
\u30b3\u30f3\u30d1\u30a4\u30eb\u306e\u30b3\u30de\u30f3\u30c9\u77ed\u3044\u30fb\u30fb\u30fb\u3002
\nRust\u306e\u30b3\u30fc\u30c9\u306f\u3053\u3061\u3089<\/p>\n
\u96d1\u611f<\/h2>\n
\u3053\u306e\u4f8b\u3060\u3068\u3001Rust\u306e\u624b\u539a\u3044\u8a00\u8a9e\u4ed5\u69d8\u306e\u30b5\u30dd\u30fc\u30c8\u306e\u304a\u304b\u3052\u3067\u3068\u3066\u3082\u697d\u306b\u66f8\u3051\u307e\u3059\u306d\u3002\u30b3\u30fc\u30c9\u304c\u5c0f\u3055\u3059\u304e\u3066C++\u306e\u304a\u4f5c\u6cd5\u90e8\u5206\u306e\u30b4\u30bf\u30b4\u30bf\u304c\u76ee\u7acb\u3063\u3066\u308b\u3060\u3051\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3002<\/p>\n
\u3084\u3063\u3071\u308a\u6bd4\u8f03\u3067\u304d\u308b\u7a0b\u5ea6\u306b\u6163\u308c\u3066\u304f\u308b\u3068\u697d\u3057\u3044\u3067\u3059\u306d\u3002\u4eca\u5ea6\u306f\u30b9\u30de\u30fc\u30c8\u30dd\u30a4\u30f3\u30bf\u30fc\u306b\u76f8\u5f53\u3059\u308b\u6a5f\u80fd(Box\u3084\u3089Rc\u306a\u3069)\u3092\u6bd4\u3079\u3066\u307f\u305f\u3044\u3067\u3059\u306d\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
C++\u3068Rust\u3068\u306e\u5b9f\u88c5\u6bd4\u8f03 Rust\u306b\u306f\u30af\u30e9\u30b9\u304c\u306a\u3044\u306e\u3067\u3059\u304c\u3001\u7d99\u627f\u7b49\u3092\u8003\u3048\u306a\u3051\u308c\u3070struct\u3068impl\u3067\u540c […]<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-45486","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\/45486-2\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:description\" content=\"C++\u3068Rust\u3068\u306e\u5b9f\u88c5\u6bd4\u8f03 Rust\u306b\u306f\u30af\u30e9\u30b9\u304c\u306a\u3044\u306e\u3067\u3059\u304c\u3001\u7d99\u627f\u7b49\u3092\u8003\u3048\u306a\u3051\u308c\u3070struct\u3068impl\u3067\u540c […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/45486-2\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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