{"id":45064,"date":"2023-04-22T04:48:45","date_gmt":"2023-05-12T14:13:00","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/45064-2\/"},"modified":"2024-04-30T00:42:00","modified_gmt":"2024-04-29T16:42:00","slug":"45064-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/45064-2\/","title":{"rendered":""},"content":{"rendered":"<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d5cb037434c4406cef263\/0-0.png\" alt=\"Rust Programming Language Forum Summary\" \/><\/div>\n<blockquote><p>rustup \u3060\u3068\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u5185\u306b .rust-toolchain \u30d5\u30a1\u30a4\u30eb\u304c\u7f6e\u3051\u308b\u3088\u3002\u3059\u308b\u3068\u305d\u306e\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3067\u306f\u6307\u5b9a\u3057\u305f\u30d0\u30fc\u30b8\u30e7\u30f3\u306e rustc \/ cargo \u304c\u4f7f\u308f\u308c\u308b\u3088\u3046\u306b\u306a\u308b\u3093\u3060\u3002<\/p><\/blockquote>\n<p>\u3061\u306a\u307f\u306b\u6b63\u3057\u304f\u306f rust-toolchain \u30d5\u30a1\u30a4\u30eb\uff08\u5148\u982d\u306e\u30c9\u30c3\u30c8\u306a\u3057\uff09<\/p>\n<p>\u3053\u3093\u306a\u65b9\u6cd5\u304c\u3042\u308b\u3068\u306f\u77e5\u308a\u307e\u305b\u3093\u3067\u3057\u305f\u3002\u3053\u306e\u3053\u3068\u306f rustup \u306e\u73fe\u5728\u306e README \u306b\u3057\u3063\u304b\u308a\u66f8\u3044\u3066\u3042\u308b\u306e\u3067\u3059\u304c\u3001\u79c1\u304c README \u3092\u6700\u5f8c\u306b\u8aad\u3093\u3060\u306e\u306f\u305f\u3076\u30931\u5e74\u4ee5\u4e0a\u524d\u306e\u3053\u3068\u3002\u305d\u306e\u9803\u306b\u306f\u3053\u306e\u6a5f\u80fd\u306f\u306a\u304b\u3063\u305f\u3088\u3046\u306a\u3002<\/p>\n<p>\u65e9\u901f\u3001\u4f7f\u3063\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u3059\u3067\u306b rustup \u3067 Rust \u30c4\u30fc\u30eb\u30c1\u30a7\u30a4\u30f3\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u7ba1\u7406\u3057\u3066\u3044\u308b \u524d\u63d0\u3067\u9032\u3081\u307e\u3059\u3002<\/p>\n<h2>rust-toolchain \u30d5\u30a1\u30a4\u30eb\u3092\u4f7f\u3063\u3066\u307f\u308b<\/h2>\n<p>Rust \u3067\u958b\u767a\u3057\u3066\u3044\u308b\u3068\u6642\u3005\u30b3\u30f3\u30d1\u30a4\u30e9\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u56fa\u5b9a\u3057\u305f\u304f\u306a\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u4f7f\u7528\u3057\u3066\u3044\u308b\u30af\u30ec\u30fc\u30c8\u304c\u7279\u5b9a\u306e\u65e5\u306b\u30d3\u30eb\u30c9\u3055\u308c\u305f nightly \u3067\u306a\u3044\u3068\u30b3\u30f3\u30d1\u30a4\u30eb\u3067\u304d\u306a\u3044\u3088\u3046\u306a\u6642\u3067\u3059\u3002<\/p>\n<p>\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u56fa\u5b9a\u3059\u308b\u65b9\u6cd5\u3068\u3057\u3066\u3088\u304f\u77e5\u3089\u308c\u3066\u3044\u308b\u306e\u306f\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u30c8\u30c3\u30d7\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\uff08Cargo.toml\u306e\u3042\u308b\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\uff09\u306b\u79fb\u52d5\u3057\u3066\u3001rustup override set &lt;\u30c4\u30fc\u30eb\u30c1\u30a7\u30a4\u30f3\u306e\u30d0\u30fc\u30b8\u30e7\u30f3&gt; \u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u3067\u3082\u3053\u306e\u65b9\u6cd5\u3060\u3068\u3001\u7279\u306b\u30c1\u30fc\u30e0\u3067\u958b\u767a\u3057\u3066\u3044\u308b\u6642\u306a\u3069\u30e1\u30f3\u30d0\u30fc\u9593\u3067\u5fb9\u5e95\u3059\u308b\u306e\u304c\u96e3\u3057\u305d\u3046\u3067\u3059\u3002\u307e\u305f\u3001\u30af\u30ec\u30fc\u30c8\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u4e0a\u3052\u308b\u305f\u3073\u306b\u5168\u54e1\u3067 rustup override \u3057\u306a\u304a\u3059\u306e\u3082\u975e\u52b9\u7387\u3067\u3059\u3002<\/p>\n<p>rust-toolchain \u30d5\u30a1\u30a4\u30eb\u306f\u305d\u3093\u306a\u6642\u306b\u4fbf\u5229\u306b\u4f7f\u3048\u305d\u3046\u3067\u3059\u3002\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u30c8\u30c3\u30d7\u30c7\u30a3\u30ec\u30af\u30c8\u306b\u79fb\u52d5\u3057\u3001rust-toolchain \u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"gp\">$<\/span> rustup <span class=\"nt\">-V<\/span>\r\n<span class=\"go\">rustup 1.11.0 (e751ff9f8 2018-02-13)\r\n\r\n<\/span><span class=\"gp\">#<\/span> \u30c6\u30ad\u30c8\u30fc\u306a\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u308b\u3002\r\n<span class=\"gp\">$<\/span> cargo new <span class=\"nt\">--bin<\/span> hello\r\n<span class=\"gp\">$<\/span> <span class=\"nb\">cd <\/span>hello\r\n\r\n<span class=\"gp\">#<\/span> \u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u3063\u305f\u3070\u304b\u308a\u3060\u3068\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u30c4\u30fc\u30eb\u30c1\u30a7\u30a4\u30f3\u304c\r\n<span class=\"gp\">#<\/span> \u30a2\u30af\u30c6\u30a3\u30d6\u306b\u306a\u308b\u3002\uff08\u4e00\u756a\u4e0b\u306eactive toolchain\u306e\u3068\u3053\u308d\uff09\r\n<span class=\"gp\">$<\/span> rustup show\r\n<span class=\"go\">Default host: x86_64-unknown-freebsd\r\n\r\ninstalled toolchains\r\n--------------------\r\n\r\nstable-x86_64-unknown-freebsd\r\nbeta-x86_64-unknown-freebsd\r\nnightly-x86_64-unknown-freebsd\r\n1.9.0-x86_64-unknown-freebsd\r\n1.10.0-x86_64-unknown-freebsd\r\n<\/span><span class=\"c\">...\r\n<\/span><span class=\"go\">1.23.0-x86_64-unknown-freebsd\r\n1.24.1-x86_64-unknown-freebsd\r\n\r\nactive toolchain\r\n----------------\r\n\r\nstable-x86_64-unknown-freebsd (default)\r\nrustc 1.24.1 (d3ae9a9e0 2018-02-27)\r\n\r\n<\/span><span class=\"gp\">#<\/span> rust-toolchain\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210\u3057\u3001\u7279\u5b9a\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u56fa\u5b9a\u3059\u308b\u3002\r\n<span class=\"gp\">$<\/span> <span class=\"nb\">echo<\/span> <span class=\"s1\">'nightly-2018-03-07'<\/span> <span class=\"o\">&gt;<\/span> rust-toolchain\r\n\r\n<span class=\"gp\">#<\/span> cargo\u3084rustc\u3092\u4f7f\u304a\u3046\u3068\u3059\u308b\u3068\u30c4\u30fc\u30eb\u30c1\u30a7\u30a4\u30f3\u304c\r\n<span class=\"gp\">#<\/span> \u81ea\u52d5\u7684\u306b\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3055\u308c\u308b\u3002\r\n<span class=\"gp\">$<\/span> cargo check\r\n<span class=\"go\">info: syncing channel updates for\r\n  'nightly-2018-03-07-x86_64-unknown-freebsd'\r\ninfo: latest update on 2018-03-07, \r\n  rust version 1.26.0-nightly (2789b067d 2018-03-06)\r\ninfo: downloading component 'rustc'\r\n<\/span><span class=\"c\">...\r\n<\/span><span class=\"go\">info: installing component 'rustc'\r\ninfo: installing component 'rust-std'\r\ninfo: installing component 'cargo'\r\ninfo: installing component 'rust-docs'\r\n   Compiling hello v0.1.0 (file:\/\/\/...\/hello)\r\n    Finished dev [unoptimized + debuginfo] target(s) in 0.14 secs\r\n\r\n<\/span><span class=\"gp\">$<\/span> rustup show\r\n<span class=\"c\">...\r\n<\/span><span class=\"go\">active toolchain\r\n----------------\r\n\r\nnightly-2018-03-07-x86_64-unknown-freebsd (overridden by\r\n  '...\/hello\/rust-toolchain')\r\nrustc 1.26.0-nightly (2789b067d 2018-03-06)\r\n\r\n\r\n<\/span><span class=\"gp\">#<\/span> \u7279\u5b9a\u306estable\u30ea\u30ea\u30fc\u30b9\u306b\u5909\u66f4\u3059\u308b\u3002\r\n<span class=\"gp\">$<\/span> <span class=\"nb\">echo<\/span> <span class=\"s1\">'1.24.1'<\/span> <span class=\"o\">&gt;<\/span> rust-toolchain\r\n\r\n<span class=\"gp\">$<\/span> rustup show\r\n<span class=\"c\">...\r\n<\/span><span class=\"go\">active toolchain\r\n----------------\r\n\r\n1.24.1-x86_64-unknown-freebsd (overridden by\r\n  '...\/hello\/rust-toolchain')\r\nrustc 1.24.1 (d3ae9a9e0 2018-02-27)\r\n<\/span><\/code><\/pre>\n<p>\u3053\u306e\u3088\u3046\u306b rust-toolchain \u30d5\u30a1\u30a4\u30eb\u3092\u4f7f\u3063\u3066 Rust \u30c4\u30fc\u30eb\u30c1\u30a7\u30a4\u30f3\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u6307\u5b9a\u3067\u304d\u307e\u3057\u305f\u3002\u3053\u306e\u30d5\u30a1\u30a4\u30eb\u3092 Cargo.lock \u306a\u3069\u3068\u5171\u306b\u4ed6\u306e\u30e1\u30f3\u30d0\u30fc\u3068\u5171\u6709\u3059\u308c\u3070\u3001\u540c\u4e00\u306e\u74b0\u5883\u3092\u5f97\u3089\u308c\u307e\u3059\u3002<\/p>\n<h2>\u8a2d\u5b9a\u306e\u512a\u5148\u9806\u4f4d<\/h2>\n<p>\u3082\u3057\u3059\u3067\u306b rust-toolchain \u30d5\u30a1\u30a4\u30eb\u304c\u3042\u308b\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u5bfe\u3057\u3066 rustup override set \u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u305f\u3089\u3069\u3046\u306a\u308b\u3067\u3057\u3087\u3046\u304b\uff1f \u305d\u306e\u7b54\u3048\u3082 README \u306b\u66f8\u304b\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u305d\u308c\u305e\u308c\u306e\u8a2d\u5b9a\u306f\u4ee5\u4e0b\u306e\u512a\u5148\u9806\u4f4d\u3067\u4f7f\u308f\u308c\u307e\u3059\uff08\u512a\u5148\u5ea6\u306e\u9ad8\u3044\u3082\u306e\u304b\u3089\u4f4e\u3044\u3082\u306e\u3078\uff09<\/p>\n<p>cargo +beta \u306a\u3069\u306b\u3088\u308b\u660e\u793a\u7684\u306a\u6307\u5b9a<\/p>\n<p>RUSTUP_TOOLCHAIN \u74b0\u5883\u5909\u6570<br \/>\n\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3054\u3068\u306e\u4e0a\u66f8\u304d rustup override set nightly<\/p>\n<p>rust-toolchain \u30d5\u30a1\u30a4\u30eb<br \/>\n\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u30c4\u30fc\u30eb\u30c1\u30a7\u30a4\u30f3<\/p>\n<h2>Rust Epoch\u3000Rust: 2018 Edition<\/h2>\n<p>\u4f59\u8ac7\u3067\u3059\u304c\u3001\u8fd1\u3005\u3001Rust Epoch Edition \u3068\u3044\u3046\u3057\u304f\u307f\u304c\u5c0e\u5165\u3055\u308c\u308b\u3088\u3046\u3067\u3059\uff08RFC 2052\uff09<\/p>\n<p>\uff082018\u5e743\u670813\u65e5\u4fee\u6b63\uff1a3\u670812\u65e5\u306e\u30aa\u30d5\u30a3\u30b7\u30e3\u30eb\u30d6\u30ed\u30b0\u306e\u8a18\u4e8b\u3067\u306f Epoch \u3067\u306f\u306a\u304f\u3001Edition \u3068\u3044\u3046\u547c\u3073\u540d\u304c\u4f7f\u308f\u308c\u3066\u3044\u307e\u3059\u306e\u3067\u3001\u672c\u8a18\u4e8b\u3082\u305d\u308c\u306b\u5408\u308f\u305b\u3066\u4fee\u6b63\u3057\u307e\u3057\u305f\uff09<\/p>\n<p>2015\u5e745\u6708\u306b1.0\u304c\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u3066\u4ee5\u6765\u3001stable \u7248\u306e Rust \u306f\u9ad8\u3044\u30ec\u30d9\u30eb\u3067\u5f8c\u65b9\u4e92\u63db\u6027\u3092\u7dad\u6301\u3057\u3066\u304d\u307e\u3057\u305f\u3002\u904e\u53bb\u306b\u958b\u767a\u3057\u305f\u30d7\u30ed\u30b0\u30e9\u30e0\u306f\u3001Rust \u30b3\u30f3\u30d1\u30a4\u30e9\u3092\u5f53\u6642\u3088\u308a\u65b0\u3057\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u5909\u3048\u305f\u3068\u3057\u3066\u3082\u3001\u307b\u3068\u3093\u3069\u306e\u5834\u5408\u3067\u554f\u984c\u306a\u304f\u30b3\u30f3\u30d1\u30a4\u30eb\u30fb\u5b9f\u884c\u3067\u304d\u307e\u3059\uff08warning \u306f\u51fa\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\uff09<\/p>\n<p>\u305d\u306e\u4e00\u65b9\u3067\u3001\u8a00\u8a9e\u4ed5\u69d8\u3084\u30b3\u30f3\u30d1\u30a4\u30e9\u306e\u8a2d\u8a08\u306f\u7d76\u3048\u9593\u306a\u304f\u6539\u826f\u3055\u308c\u3066\u304a\u308a\u3001\u30ea\u30ea\u30fc\u30b9\u304b\u30893\u5e74\u8fd1\u304f\u305f\u3063\u305f\u4eca\u3067\u306f\u3001\u4e92\u63db\u6027\u306b\u5f71\u97ff\u306e\u3042\u308b\u5909\u66f4\u30fb\u65b0\u6a5f\u80fd\u3082\u4e88\u5b9a\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u3088\u3046\u306a\u975e\u4e92\u63db\u306e\u5909\u66f4\u3092\u6271\u3046\u306e\u304c edition \u3067\u3059\u3002rustc \u306b &#8211;edition\uff08\u306e\u3088\u3046\u306a\uff09\u5f15\u6570\u3092\u5c0e\u5165\u3057\u3066\u30c7\u30d5\u30a9\u30eb\u30c8\u306f 2015 \u306b\u3057\u307e\u3059\u3002\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u307e\u307e\u4f7f\u3063\u3066\u3044\u308b\u9650\u308a\u3001\u4eca\u307e\u3067\u901a\u308a\u5f8c\u65b9\u4e92\u63db\u6027\u304c\u5f97\u3089\u308c\u307e\u3059\u3002<\/p>\n<p>\u975e\u4e92\u63db\u306e\u65b0\u3057\u3044\u6a5f\u80fd\u3092\u4f7f\u3046\u305f\u3081\u306b\u306f &#8211;edition 2018 \u306a\u3069\u3068\u3057\u3066\u660e\u793a\u7684\u306b edition \u3092\u9078\u629e\u3057\u307e\u3059\u3002\u307e\u305f Cargo.toml \u306b\u3082 edition = &#8220;2018&#8221; \u3068\u66f8\u3051\u308b\u3088\u3046\u3057\u3066\u3001\u4f9d\u5b58\u3057\u3066\u3044\u308b\u30af\u30ec\u30fc\u30c8\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u304c\u9078\u629e\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u305f\u308a\u3001IDE\u3001rustfmt\u3001Clippy\u306a\u3069\u306e\u30c4\u30fc\u30eb\u985e\u306e\u632f\u308b\u821e\u3044\u3092\u5909\u3048\u305f\u308a\u3067\u304d\u308b\u3088\u3046\u3067\u3059\u3002<\/p>\n<p>\u73fe\u5728\u306e Rust \u3067\u306f nightly 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