{"id":45602,"date":"2023-01-01T04:54:33","date_gmt":"2023-02-24T01:43:59","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/45602-2\/"},"modified":"2024-04-29T07:54:26","modified_gmt":"2024-04-28T23:54:26","slug":"45602-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/45602-2\/","title":{"rendered":""},"content":{"rendered":"

\u4eca\u5e74\u306e\u8a00\u8a9e\u306fRust \u305d\u306e\uff18<\/h1>\n

Rust\u3092\u5b66\u3073\u307e\u3059<\/p>\n

\u52c9\u5f37\u30da\u30fc\u30b8\u306f\u65e5\u672c\u8a9e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8<\/p>\n

\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9eRust<\/p>\n

Rust\u306e\u65e5\u672c\u8a9e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8 2nd Edition
\nhttps:\/\/doc.rust-jp.rs\/book\/second-edition\/<\/p>\n

\u30aa\u30ea\u30b8\u30ca\u30eb
\nhttps:\/\/doc.rust-lang.org\/book\/<\/p>\n

5. \u69cb\u9020\u4f53<\/h2>\n

5.2 \u69cb\u9020\u4f53\u3092\u4f7f\u7528\u3057\u305f\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u4f8b<\/h3>\n
#[derive(Debug)]<\/span>\r\nstruct<\/span> Rectangle<\/span>{<\/span>\r\n    width<\/span>:<\/span> u32<\/span>,<\/span>\r\n    height<\/span>:<\/span> u32<\/span>,<\/span>\r\n}<\/span>\r\n\r\n\r\nfn<\/span> main<\/span>(){<\/span>\r\n    let<\/span> rect1<\/span> =<\/span> Rectangle<\/span>{<\/span> width<\/span>:<\/span>32<\/span>,<\/span> height<\/span>:<\/span>50<\/span>};<\/span>\r\n\r\n    println!<\/span>(<\/span>\"{}\"<\/span>,<\/span> area<\/span>(<\/span>&<\/span>rect1<\/span>));<\/span>\r\n    println!<\/span>(<\/span>\"{:#?}\"<\/span>,<\/span> rect1<\/span>);<\/span>\r\n}<\/span>\r\n\r\nfn<\/span> area<\/span>(<\/span>rect<\/span>:<\/span> &<\/span>Rectangle<\/span>)<\/span> -><\/span> u32<\/span>{<\/span>\r\n    rect<\/span>.width<\/span> *<\/span> rect<\/span>.height<\/span>\r\n}<\/span>\r\n\r\n==<\/span>\u6210\u5f62\u3055\u308c\u308b<\/span>\r\nRectangle<\/span> {<\/span>\r\n    width<\/span>:<\/span> 32<\/span>,<\/span>\r\n    height<\/span>:<\/span> 50<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
5.3 \u30e1\u30bd\u30c3\u30c9\u8a18\u6cd5<\/h3>\n
#[derive(Debug)]<\/span>\r\nstruct<\/span> Rectangle<\/span>{<\/span>\r\n    width<\/span>:<\/span> u32<\/span>,<\/span>\r\n    height<\/span>:<\/span> u32<\/span>,<\/span>\r\n}<\/span>\r\n\r\n\r\nimpl<\/span> Rectangle<\/span>{<\/span>\r\n\r\n    fn<\/span> area<\/span>(<\/span>&<\/span>self<\/span>)<\/span> -><\/span> u32<\/span>{<\/span>\r\n        self<\/span>.width<\/span> *<\/span> self<\/span>.height<\/span>\r\n    }<\/span>\r\n\r\n    fn<\/span> can_hold<\/span>(<\/span>&<\/span>self<\/span>,<\/span> other<\/span>:<\/span> &<\/span>Rectangle<\/span>)<\/span> -><\/span> bool<\/span>{<\/span>\r\n\r\n        self<\/span>.width<\/span> ><\/span> other<\/span>.width<\/span> &&<\/span> self<\/span>.height<\/span> ><\/span> other<\/span>.height<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n\r\n\r\n\r\nfn<\/span> main<\/span>(){<\/span>\r\n\r\n    let<\/span> rect1<\/span> =<\/span> Rectangle<\/span>{<\/span> width<\/span>:<\/span>30<\/span>,<\/span> height<\/span>:<\/span>50<\/span>};<\/span>\r\n    let<\/span> rect2<\/span> =<\/span> Rectangle<\/span>{<\/span> width<\/span>:<\/span>10<\/span>,<\/span> height<\/span>:<\/span>40<\/span>};<\/span>\r\n    let<\/span> rect3<\/span> =<\/span> Rectangle<\/span>{<\/span> width<\/span>:<\/span>60<\/span>,<\/span> height<\/span>:<\/span>45<\/span>};<\/span>\r\n\r\n\r\n    println!<\/span>(<\/span>\"Can rect1 hold rect2? {}\"<\/span>,<\/span> rect1<\/span>.can_hold<\/span>(<\/span>&<\/span>rect2<\/span>));<\/span>\r\n    println!<\/span>(<\/span>\"Can rect1 hold rect3? {}\"<\/span>,<\/span> rect1<\/span>.can_hold<\/span>(<\/span>&<\/span>rect3<\/span>));<\/span>\r\n\r\n}<\/span>\r\n\r\n\r\n<\/code><\/pre>\n
impl\u306f\u8907\u6570\u306b\u5206\u3051\u3066\u3082OK.
\n\u95a2\u9023\u95a2\u6570\u3068\u3057\u3066static\u95a2\u6570\u306e\u3088\u3046\u306b\u6271\u3063\u3066\u3082oK<\/p>\n
impl<\/span> Rectangle<\/span>{<\/span>\r\n\r\n    fn<\/span> square<\/span>(<\/span>size<\/span>:<\/span> u32<\/span>)<\/span> -><\/span> Rectangle<\/span>{<\/span>\r\n        Rectangle<\/span>{<\/span>\r\n            width<\/span>:<\/span>size<\/span>,<\/span>\r\n            height<\/span>:<\/span>size<\/span>\r\n        }<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n\r\nfn<\/span> main<\/span>(){<\/span>\r\n\r\n    let<\/span> square<\/span> =<\/span> Rectangle<\/span>::<\/span>square<\/span>(<\/span>30<\/span>);<\/span>\r\n\r\n    println!<\/span>(<\/span>\"Can rect1 hold rect3? {:#?}\"<\/span>,<\/span> square<\/span>);<\/span>\r\n\r\n}<\/span>\r\n\r\n<\/code><\/pre>\n
\u7406\u89e3\u3057\u305f\uff01<\/p>\n
\u6b21\u56de\uff01<\/p>\n
\u30a4\u30a8\u30b9\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4eca\u5e74\u306e\u8a00\u8a9e\u306fRust \u305d\u306e\uff18 Rust\u3092\u5b66\u3073\u307e\u3059 \u52c9\u5f37\u30da\u30fc\u30b8\u306f\u65e5\u672c\u8a9e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8 \u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9eRust  […]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-45602","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\/45602-2\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:description\" content=\"\u4eca\u5e74\u306e\u8a00\u8a9e\u306fRust \u305d\u306e\uff18 Rust\u3092\u5b66\u3073\u307e\u3059 \u52c9\u5f37\u30da\u30fc\u30b8\u306f\u65e5\u672c\u8a9e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8 \u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9eRust […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/45602-2\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2023-02-24T01:43:59+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-04-28T23:54:26+00:00\" \/>\n<meta name=\"author\" content=\"\u6e05, \u626c\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u6e05, \u626c\" \/>\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\/45602-2\/\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/45602-2\/\",\"name\":\"- Blog - Silicon Cloud\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#website\"},\"datePublished\":\"2023-02-24T01:43:59+00:00\",\"dateModified\":\"2024-04-28T23:54:26+00:00\",\"author\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/cb5556d2501da73d864cac945e8d9461\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.silicloud.com\/zh\/blog\/45602-2\/\"]}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#website\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/\",\"name\":\"Blog - 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