{"id":44899,"date":"2023-01-23T03:01:25","date_gmt":"2023-02-13T03:19:52","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/44899-2\/"},"modified":"2024-04-29T11:00:44","modified_gmt":"2024-04-29T03:00:44","slug":"44899-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/44899-2\/","title":{"rendered":""},"content":{"rendered":"

\u80cc\u666f<\/h2>\n

Rust\u306e\u6982\u89b3\u3092\u8aac\u660e\u3059\u308b\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3067\u3042\u308bthe book\u306e\u975e\u516c\u5f0f\u306e\u65e5\u672c\u8a9e\u8a33\u3092\u8aad\u3093\u3067\u3044\u308b\u969b\u306b\u3001 2.\u6570\u5f53\u3066\u30b2\u30fc\u30e0\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u7ae0\u306e\u4e2d\u3067\u4e0b\u8a18\u306e\u8a18\u8ff0\u304c\u898b\u3064\u3051\u6c17\u306b\u306a\u3063\u305f\u306e\u3067\u3001\u500b\u4eba\u7684\u306a\u30e1\u30e2\u306e\u305f\u3081\u306b\u3082\u307e\u3068\u3081\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n

Rust\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u3001\u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u308b\u30a2\u30a4\u30c6\u30e0\u306e\u4e2d\u306e\u3044\u304f\u3064\u304b\u3092\u3001\u3059\u3079\u3066\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u30b9\u30b3\u30fc\u30d7\u306b\u53d6\u308a\u8fbc\u307f\u307e\u3059\u3002 \u3053\u306e\u30bb\u30c3\u30c8\u306fprelude\uff08\u30d7\u30ec\u30ea\u30e5\u30fc\u30c9\uff09\u3068\u547c\u3070\u308c\u3001\u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3067\u305d\u306e\u4e2d\u306e\u3059\u3079\u3066\u3092\u898b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p><\/blockquote>\n

Q. Rust \u306e Prelude \u3063\u3066\u4f55?<\/h2>\n

\u3067\u306f\u516c\u5f0f\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u78ba\u8a8d\u3057\u3066\u307f\u308b\u3068\u4e0b\u8a18\u306e\u69d8\u306a\u8a18\u8f09\u304c\u3042\u308b\u3088\u3046\u306b\u3001\u307b\u3068\u3093\u3069\u5168\u3066\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u4ed5\u69d8\u3055\u308c\u308b\u3088\u3046\u306a\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u30ea\u30b9\u30c8\u3067\u3001\u3053\u306e\u30ea\u30b9\u30c8\u306b\u3042\u308b\u30e9\u30a4\u30d6\u30e9\u30ea\u306f\u81ea\u52d5\u7684\u306b\u30a4\u30f3\u30dd\u30fc\u30c8\u3055\u308c\u307e\u3059\u3002<\/p>\n

The prelude is the list of things that Rust automatically imports into every Rust program. It\u2019s kept as small as possible, and is focused on things, particularly traits, which are used in almost every single Rust program.<\/p><\/blockquote>\n

\u3053\u308c\u3092DeepL\u3067\u610f\u8a33\u3059\u308b\u3068\u4e0b\u8a18\u3067\u3059<\/p>\n

\u30d7\u30ec\u30ea\u30e5\u30fc\u30c9\u306f\u3001Rust\u304c\u3059\u3079\u3066\u306eRust\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u81ea\u52d5\u7684\u306b\u30a4\u30f3\u30dd\u30fc\u30c8\u3059\u308b\u3082\u306e\u306e\u30ea\u30b9\u30c8\u3067\u3059\u3002\u3067\u304d\u308b\u9650\u308a\u5c0f\u3055\u304f\u3057\u3001Rust\u306e\u307b\u3068\u3093\u3069\u3059\u3079\u3066\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u4f7f\u7528\u3055\u308c\u308b\u3082\u306e\u3001\u7279\u306btrait\u306b\u7126\u70b9\u3092\u5f53\u3066\u3066\u3044\u307e\u3059\u3002<\/p><\/blockquote>\n

Q. Prelude \u306f\u306a\u305c\u5fc5\u8981\uff1f<\/h2>\n

A. Rust\u306e\u307b\u3068\u3093\u3069\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u5fc5\u8981\u306b\u306a\u308b\u3088\u3046\u306a\u30e9\u30a4\u30d6\u30e9\u30ea\u30921\u3064\u305a\u3064\u6307\u5b9a\u3059\u308b\u306e\u306f\u5927\u5909\u3060\u304b\u3089\u3002<\/p>\n

Q. \u3067\u306f\u5168\u3066\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u8aad\u307f\u8fbc\u307e\u305b\u3066\u306f\uff1f<\/h2>\n

A. \u30d3\u30eb\u30c9\u6642\u9593\u306e\u5897\u52a0\u306a\u3069\u30ea\u30bd\u30fc\u30b9\u554f\u984c\u304c\u3042\u308b\u306e\u3067\u3001\u5168\u3066\u3092\u8aad\u307f\u8fbc\u3080\u308f\u3051\u306b\u306f\u306a\u3044\u304b\u306a\u3044\u306e\u3067\u3001\u30d0\u30e9\u30f3\u30b9\u3092\u53d6\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002<\/p>\n

Q. Prelude\u306f\u4ed6\u306b\u3082\u5b58\u5728\u3059\u308b\uff1f<\/h2>\n

std::io::prelude \u306a\u3069\u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea\u3084\u4efb\u610f\u306e\u30a8\u30b3\u30b7\u30b9\u30c6\u30e0\u306b\u3082\u5b58\u5728\u3059\u308b\u304c\u3001\u81ea\u52d5\u3067\u306f\u8aad\u307f\u8fbc\u307e\u308c\u307e\u305b\u3093\u3002<\/p>\n

Q. Prelude\u306b\u306f\u4f55\u304c\u542b\u307e\u308c\u308b\uff1f<\/h2>\n

Rust 2015 \u3068 Rust 2018\u3067\u306f \u4e3b\u306b\u4e0b\u8a18 (std::prelude::v1)<\/p>\n

std::marker::{Copy, Send, Sized, Sync, Unpin}\r\nstd::ops::{Drop, Fn, FnMut, FnOnce}\r\nstd::mem::drop\r\nstd::boxed::Box\r\nstd::borrow::ToOwned\r\nstd::clone::Clone\r\nstd::cmp::{PartialEq, PartialOrd, Eq, Ord}\r\nstd::convert::{AsRef, AsMut, Into, From}\r\nstd::iter::{Iterator, Extend, IntoIterator, DoubleEndedIterator, ExactSizeIterator}\r\nstd::option::Option::{self, Some, None}\r\nstd::result::Result::{self, Ok, Err}\r\nstd::vec::Vec\r\n<\/code><\/pre>\n
Rust 2021 \u3067\u306f 2015 \u53ca\u3073 2018 \u306e\u5bfe\u8c61(std::prelude::v1)\u306b\u4e0b\u8a18\u3092\u8ffd\u52a0<\/p>\n
std::convert::{TryFrom, TryInto}\r\nstd::iter::FromIterator\r\n<\/code><\/pre>\n
Q. \u5b9f\u969b\u306b\u30bd\u30fc\u30b9\u4e0a\u3067\u3071\u3063\u3068\u78ba\u8a8d\u3059\u308b\u306b\u306f\uff1f<\/h2>\n
\u5404\u30a8\u30c7\u30a3\u30b7\u30e7\u30f3\u3067\u306e\u9055\u3044\u3092\u78ba\u8a8d\u3059\u308b\u5834\u5408\u306f\u3053\u3061\u3089 (Rust2015 ~ 2024)<\/p>\n
    https:\/\/github.com\/rust-lang\/rust\/blob\/ea1e5cc91f413224741011cbd3c2ed380d3d3129\/library\/std\/src\/prelude\/mod.rs#L102-L144<\/ul>\n
    Rust2015 \u3068 Rust2018 \u304c\u898b\u3066\u3044\u308bstd::prelude::v1\u306f\u3053\u3061\u3089<\/p>\n
      https:\/\/github.com\/rust-lang\/rust\/blob\/master\/library\/core\/src\/prelude\/v1.rs<\/ul>\n
      \u5f8c\u66f8\u304d<\/h2>\n
      ~prelude\u304c\u5897\u3048\u308b\u3053\u3068\u306f\u3081\u3063\u305f\u306b\u306a\u3044\u3068\u601d\u3046\u306e\u3067\u6c38\u9060\u306bv2\u3053\u306a\u3044\u3084\u3064\u3067\u306f\u2026~
      \n\u76ee\u4e0bRust\u3092\u52c9\u5f37\u4e2d\u306a\u306e\u3067\u3001\u540c\u3058\u52c9\u5f37\u4e2d\u306e\u65b9\u306e\u53c2\u8003\u306b\u306a\u308c\u3070\u5e78\u3044\u3067\u3059\u3002<\/p>\n
      \u53c2\u8003\u30ea\u30f3\u30af<\/h2>\n
        \n
      • \n
          https:\/\/doc.rust-jp.rs\/book-ja\/ch02-00-guessing-game-tutorial.html<\/ul>\n<\/li>\n<\/ul>\n
           <\/p>\n
            \n
          • \n
              https:\/\/doc.rust-lang.org\/std\/prelude\/index.html<\/ul>\n<\/li>\n<\/ul>\n
               <\/p>\n
                \n
              • \n
                  https:\/\/doc.rust-lang.org\/std\/io\/prelude\/index.html<\/ul>\n<\/li>\n<\/ul>\n
                   <\/p>\n
                    \n
                  • \n
                      https:\/\/github.com\/rust-lang\/rust\/blob\/master\/library\/core\/src\/prelude\/mod.rs<\/ul>\n<\/li>\n<\/ul>\n
                       <\/p>\n
                        https:\/\/github.com\/rust-lang\/rust\/blob\/master\/library\/core\/src\/prelude\/v1.rs<\/ul>\n","protected":false},"excerpt":{"rendered":"
                        \u80cc\u666f Rust\u306e\u6982\u89b3\u3092\u8aac\u660e\u3059\u308b\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3067\u3042\u308bthe book\u306e\u975e\u516c\u5f0f\u306e\u65e5\u672c\u8a9e\u8a33\u3092\u8aad\u3093\u3067\u3044\u308b\u969b\u306b\u3001 2.\u6570\u5f53 […]<\/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-44899","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\/44899-2\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:description\" content=\"\u80cc\u666f Rust\u306e\u6982\u89b3\u3092\u8aac\u660e\u3059\u308b\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3067\u3042\u308bthe book\u306e\u975e\u516c\u5f0f\u306e\u65e5\u672c\u8a9e\u8a33\u3092\u8aad\u3093\u3067\u3044\u308b\u969b\u306b\u3001 2.\u6570\u5f53 […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/44899-2\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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