{"id":44965,"date":"2023-04-12T09:20:10","date_gmt":"2023-02-24T21:55:04","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/44965-2\/"},"modified":"2024-04-29T23:07:15","modified_gmt":"2024-04-29T15:07:15","slug":"44965-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/44965-2\/","title":{"rendered":""},"content":{"rendered":"

\u524d\u56de\u306e\u8a18\u4e8b
\nhttps:\/\/qiita.com\/on_c98\/items\/db88c333d2e78f30bd8f<\/p>\n

Rust\u306e\u95a2\u6570<\/h1>\n

\u5ba3\u8a00<\/h2>\n

Rust\u3067\u95a2\u6570\u3092\u5ba3\u8a00\u3059\u308b\u969b\u306ffn\u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u7528\u3044\u307e\u3059\u3002<\/p>\n

fn<\/span> main<\/span>(){<\/span>\r\n\tfoo<\/span>();<\/span>\r\n}<\/span>\r\n\r\nfn<\/span> foo<\/span>(){<\/span>\r\n\tprintln!<\/span>(<\/span>\"fooo!!\"<\/span>);<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
Rust\u3067\u306f\u3001\u95a2\u6570\u306e\u5b9a\u7fa9\u3059\u308b\u9806\u756a\uff08\u4f4d\u7f6e\uff09\u306f\u6c17\u306b\u3057\u307e\u305b\u3093\u3002\u4e0a\u8a18\u306e\u5834\u5408\u3001foo\u95a2\u6570\u306fmain\u95a2\u6570\u3088\u308a\u5f8c\u306b\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001main\u5185\u3067\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u51fa\u6765\u307e\u3059\u3002<\/p>\n
Rust\u3067\u306f\u3001\u95a2\u6570\u306e\u540d\u524d\u306f\u30b9\u30cd\u30fc\u30af\u30b1\u30fc\u30b9(\u5168\u3066\u5c0f\u6587\u5b57\u3067\u5358\u8a9e\u3092\u30a2\u30f3\u30c0\u30fc\u30d0\u30fc\u3067\u3064\u306a\u3052\u308b\u66f8\u304d\u65b9)\u3092\u4f7f\u3046\u306e\u304c\u6163\u7fd2\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n
fn<\/span> snake_case_naming<\/span>(){}<\/span>\r\n<\/code><\/pre>\n
Rust\u306e\u95a2\u6570\u306f\u3001\u5f15\u6570\u3092\u53d7\u3051\u53d6\u308b\u3053\u3068\u304c\u51fa\u6765\u307e\u3059\u3002\u95a2\u6570\u540d\u306e\u30ab\u30c3\u30b3\u5185\u306b(\u5f15\u6570\u540d: \u578b)\u306e\u3088\u3046\u306b\u8a18\u8ff0\u3057\u307e\u3059\u3002<\/p>\n
fn<\/span> main<\/span>(){<\/span>\r\n\thello<\/span>(<\/span>\"\u4f50\u85e4\"<\/span>);<\/span>\r\n}<\/span>\r\n\r\nfn<\/span> hello<\/span>(<\/span>name<\/span>:<\/span> &<\/span>str<\/span>)<\/span> {<\/span>\r\n\tprintln!<\/span>(<\/span>\"Hello {}\"<\/span>,<\/span> name<\/span>);<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
Rust\u3067\u306f\u3001\u300c\u30c7\u30d5\u30a9\u30eb\u30c8\u5f15\u6570\u300d\u300c\u30aa\u30d7\u30b7\u30e7\u30f3\u5f15\u6570\u300d\u3068\u547c\u3070\u308c\u308b\u3088\u3046\u306a\u3001\u7701\u7565\u3055\u308c\u305f\u5834\u5408\u306b\u65e2\u5b9a\u306e\u5024\u3092\u30bb\u30c3\u30c8\u3059\u308b\u3088\u3046\u306a\u6a5f\u80fd\u306f\u3001\u4eca\u306e\u3068\u3053\u308d\u5b9f\u88c5\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n
\u307e\u305f\u3001\u300c\u53ef\u5909\u5f15\u6570\u300d\u306e\u3088\u3046\u306a\u53ef\u5909\u9577\u306e\u5f15\u6570\u3092\u53d7\u3051\u53d6\u308b\u95a2\u6570\u3092\u5b9a\u7fa9\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u305b\u3093\u3002\u305d\u306e\u3088\u3046\u306a\u5834\u5408\u306f\u3001println!\u306e\u3088\u3046\u306b\u30de\u30af\u30ed\u3068\u3057\u3066\u5b9f\u88c5\u3059\u308b\u304b\u3001Vec\u578b\u3068\u3057\u3066\u53d7\u3051\u53d6\u308b\u3053\u3068\u3067\u7591\u4f3c\u7684\u306b\u53ef\u5909\u9577\u306e\u5f15\u6570\u3092\u5b9f\u73fe\u51fa\u6765\u307e\u3059\u3002<\/p>\n
fn<\/span> main<\/span>(){<\/span>\r\n\t\/\/ `vec!`\u306f\u624b\u8efd\u306bVec\u3092\u4f5c\u6210\u3059\u308b\u30de\u30af\u30ed\u3067\u3059\u3002<\/span>\r\n\tfoo<\/span>(<\/span>\"aa\"<\/span>,<\/span> \"ii\"<\/span>,<\/span> vec!<\/span>[<\/span>\"uu\"<\/span>,<\/span> \"ee\"<\/span>,<\/span> \"oo\"<\/span>]);<\/span>\r\n}<\/span>\r\n\r\nfn<\/span> foo<\/span>(<\/span>first<\/span>:<\/span> &<\/span>str<\/span>,<\/span> second<\/span>:<\/span> &<\/span>str<\/span>,<\/span> etc<\/span>:<\/span> Vec<\/span><&<\/span>str<\/span>><\/span>)<\/span> {<\/span>\r\n\tprintln!<\/span>(<\/span>\"first: {}\"<\/span>,<\/span> first<\/span>);<\/span>\r\n\tprintln!<\/span>(<\/span>\"second: {}\"<\/span>,<\/span> second<\/span>);<\/span>\r\n\tfor<\/span> (<\/span>i<\/span>,<\/span> v<\/span>)<\/span> in<\/span> etc<\/span>.into_iter<\/span>()<\/span>.enumerate<\/span>()<\/span> {<\/span>\r\n\t\tprintln!<\/span>(<\/span>\"etc{}: {}\"<\/span>,<\/span> i<\/span>,<\/span> v<\/span>);<\/span>\r\n\t}<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u623b\u308a\u5024\u3092\u8fd4\u3057\u305f\u3044\u5834\u5408\u306f\u3001->\u3092\u7528\u3044\u3066\u4e0b\u8a18\u306e\u3088\u3046\u306b\u8a18\u8ff0\u3057\u307e\u3059\u3002<\/p>\n
fn<\/span> bar<\/span>(<\/span>arg<\/span>:<\/span> i32<\/span>)<\/span> -><\/span> i32<\/span> {<\/span>\r\n\targ<\/span> *<\/span> 2<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u4e0a\u8a18\u306e\u95a2\u6570bar\u306f\u3001\u5f15\u6570\u3067\u53d7\u3051\u53d6\u3063\u305f\u5024\u30922\u500d\u306b\u3057\u3066\u8fd4\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u672b\u5c3e\u306b\u30bb\u30df\u30b3\u30ed\u30f3\u3092\u4ed8\u3051\u306a\u3044\u3068\u305d\u308c\u306f\u5f0f\uff08Expression\uff09\u3068\u3057\u3066\u6271\u308f\u308c\u307e\u3059\u3002Rust\u3067\u306f\u51e6\u7406\u4e2d\u306b\u5f0f\u304c\u73fe\u308c\u305f\u5834\u5408\u3001\u305d\u308c\u3092\u623b\u308a\u5024\u3068\u3057\u3066\u8fd4\u3057\u307e\u3059\u3002\u672b\u5c3e\u306b\u30bb\u30df\u30b3\u30ed\u30f3\u304c\u3064\u3044\u3066\u3044\u308b\u5834\u5408\u305d\u308c\u306f\u6587\uff08statement\uff09\u3068\u3057\u3066\u6271\u308f\u308c\u307e\u3059\u3002<\/p>\n
Rust\u306b\u304a\u3044\u3066\u3001\u5f0f\u3068\u306f\u300c\u5024\u3092\u8fd4\u3059\u3082\u306e\u300d\u3001\u6587\u306f\u300c\u51e6\u7406\u3092\u5b9f\u884c\u3059\u308b\u304c\u5024\u3092\u8fd4\u3055\u306a\u3044\u3082\u306e\u300d\u3001\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n
fn<\/span> foo<\/span>()<\/span> -><\/span> i32<\/span> {<\/span>\r\n\r\n\t\/\/ \u30b3\u30e1\u30f3\u30c8\u306f\u5f0f\u3067\u3082\u6587\u3067\u3082\u306a\u3044<\/span>\r\n\tlet<\/span> z<\/span> =<\/span> 4<\/span>;<\/span> \/\/ \u6587 statement<\/span>\r\n\tlet<\/span> x<\/span> =<\/span> 1<\/span> +<\/span> z<\/span>;<\/span> \/\/ \u6587 statement<\/span>\r\n\r\n\tbar<\/span>();<\/span> \/\/ \u6587 <\/span>\r\n\r\n\tx<\/span> +<\/span> 1<\/span>;<\/span> \/\/ \u672b\u5c3e\u306b\u30bb\u30df\u30b3\u30ed\u30f3\u304c\u4ed8\u3044\u3066\u3044\u308b\u306e\u3067\u6587\u3068\u3057\u3066\u6271\u308f\u308c\u308b\u3002<\/span>\r\n\r\n\tx<\/span> +<\/span> 1<\/span> \/\/ \u3053\u3061\u3089\u306f\u30bb\u30df\u30b3\u30ed\u30f3\u304c\u306a\u3044\u306e\u3067\u5f0f expression \u3068\u3057\u3066\u6271\u308f\u308c\u308b\u3002 foo()\u95a2\u6570\u306e\u623b\u308a\u5024\u3068\u3057\u3066\u8fd4\u3055\u308c\u308b\u3002<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u6700\u5f8c\u306b<\/h2>\n
\u6b21\u56de\u306fif\u3001for\u3001while\u3001loop\u306b\u3064\u3044\u3066\u66f8\u3044\u3066\u3044\u3053\u3046\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u524d\u56de\u306e\u8a18\u4e8b https:\/\/qiita.com\/on_c98\/items\/db88c333d2e78f30bd […]<\/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-44965","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\/44965-2\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:description\" content=\"\u524d\u56de\u306e\u8a18\u4e8b https:\/\/qiita.com\/on_c98\/items\/db88c333d2e78f30bd […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/44965-2\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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