{"id":45328,"date":"2023-09-25T08:12:57","date_gmt":"2023-10-27T10:12:14","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/45328-2\/"},"modified":"2024-05-04T01:28:14","modified_gmt":"2024-05-03T17:28:14","slug":"45328-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/45328-2\/","title":{"rendered":""},"content":{"rendered":"<h2>\u306f\u3058\u3081\u306b<\/h2>\n<p>Ruby\u306e\u51e6\u7406\u3092\u9ad8\u901f\u5316\u3059\u308b\u305f\u3081\u306b\u306fC\u8a00\u8a9e\u3067Ruby\u62e1\u5f35\u3092\u66f8\u304f\u65b9\u6cd5\u304c\u6709\u540d\u3067\u3059\u3002<br \/>\n\u5148\u65e5\u3001\u6d77\u5916\u306e\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u63b2\u793a\u677fReddit\u3067\u3001\u300cRust\u3067\u66f8\u304b\u308c\u305fGem\u3092\u30ea\u30ea\u30fc\u30b9\u3057\u305f\u3088\uff01\u300d\u3068\u3044\u3046\u8a18\u4e8b\u3092\u898b\u3064\u3051\u307e\u3057\u305f\u3002<\/p>\n<ul class=\"post-ul\">Github &#8211; StrMetrics<\/ul>\n<p>\u3069\u3046\u3084\u3089Rust\u3067\u51e6\u7406\u304c\u66f8\u304b\u308c\u305fRuby\u306eGem\u3092\u4f5c\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3088\u3046\u3067\u3059\u3002<br \/>\n\u3053\u306eGem\u306e\u4e2d\u8eab\u3092\u89b3\u5bdf\u3057\u3066\u3001Rust\u3067\u30d5\u30a3\u30dc\u30ca\u30c3\u30c1\u6570\u3092\u8a08\u7b97\u3059\u308b\u30b7\u30f3\u30d7\u30eb\u306aGem\u3092\u4f5c\u3063\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n<h2>Gem \u3092\u4f5c\u308b<\/h2>\n<p>bundler\u3067Gem\u306e\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>bundle gem fib <span class=\"nt\">-t<\/span> rspec <span class=\"c\"># RSpec\u306e\u30c6\u30b9\u30c8\u3092\u540c\u6642\u4f5c\u6210<\/span>\r\n<span class=\"nb\">cd <\/span>fib\r\n<\/code><\/pre>\n<p>fib \u306f\u30d5\u30a3\u30dc\u30ca\u30c3\u30c1(Fibonacci)\u306e\u7565\u3067\u3059\u3002<\/p>\n<h2>gemspec \u3092\u7de8\u96c6\u3059\u308b<\/h2>\n<p>fib.gemspec \u3092\u7de8\u96c6\u3057\u307e\u3059\u3002\u4eca\u56de\u306f\u904a\u3073\u306a\u306e\u3067\u3001\u4e0b\u8a18\u306e\u3088\u3046\u306b\u5358\u7d14\u306b\u3057\u307e\u3057\u305f\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nb\">require_relative<\/span> <span class=\"s1\">'lib\/fib\/version'<\/span>\r\n\r\n<span class=\"no\">Gem<\/span><span class=\"o\">::<\/span><span class=\"no\">Specification<\/span><span class=\"p\">.<\/span><span class=\"nf\">new<\/span> <span class=\"k\">do<\/span> <span class=\"o\">|<\/span><span class=\"n\">spec<\/span><span class=\"o\">|<\/span>\r\n  <span class=\"n\">spec<\/span><span class=\"p\">.<\/span><span class=\"nf\">name<\/span>          <span class=\"o\">=<\/span> <span class=\"s2\">\"fib\"<\/span>\r\n  <span class=\"n\">spec<\/span><span class=\"p\">.<\/span><span class=\"nf\">version<\/span>       <span class=\"o\">=<\/span> <span class=\"no\">Fib<\/span><span class=\"o\">::<\/span><span class=\"no\">VERSION<\/span>\r\n  <span class=\"n\">spec<\/span><span class=\"p\">.<\/span><span class=\"nf\">author<\/span>        <span class=\"o\">=<\/span> <span class=\"p\">[<\/span><span class=\"s2\">\"kojix2\"<\/span><span class=\"p\">]<\/span>\r\n  <span class=\"n\">spec<\/span><span class=\"p\">.<\/span><span class=\"nf\">summary<\/span>       <span class=\"o\">=<\/span> <span class=\"s2\">\"Get the fibonacci number\"<\/span>\r\n  <span class=\"n\">spec<\/span><span class=\"p\">.<\/span><span class=\"nf\">files<\/span>         <span class=\"o\">=<\/span> <span class=\"no\">Dir<\/span><span class=\"p\">[<\/span><span class=\"s1\">'lib\/**\/*'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'src\/**\/*.rs'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'Cargo.toml'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'LICENSE'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'README.md'<\/span><span class=\"p\">]<\/span>\r\n  <span class=\"n\">spec<\/span><span class=\"p\">.<\/span><span class=\"nf\">require_paths<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[<\/span><span class=\"s2\">\"lib\"<\/span><span class=\"p\">]<\/span>\r\n<span class=\"k\">end<\/span>\r\n\r\n<\/code><\/pre>\n<h2>cargo init \u3059\u308b<\/h2>\n<p>Cargo.toml\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>cargo init --lib\r\n<\/code><\/pre>\n<h2>Cargo.toml \u3092\u7de8\u96c6\u3059\u308b<\/h2>\n<p>Cargo.toml\u306b\u6b21\u306e2\u884c\u3092\u66f8\u304d\u52a0\u3048\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>[lib]\r\ncrate-type = [\"cdylib\"]\r\n<\/code><\/pre>\n<p>\u5168\u4f53\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nn\">[package]<\/span>\r\n<span class=\"py\">name<\/span> <span class=\"p\">=<\/span> <span class=\"s\">\"fib\"<\/span>\r\n<span class=\"py\">version<\/span> <span class=\"p\">=<\/span> <span class=\"s\">\"0.1.0\"<\/span>\r\n<span class=\"py\">authors<\/span> <span class=\"p\">=<\/span> <span class=\"p\">[<\/span><span class=\"s\">\"author &lt;soda_mail_siyo@mail.com&gt;\"<\/span><span class=\"p\">]<\/span>\r\n<span class=\"py\">edition<\/span> <span class=\"p\">=<\/span> <span class=\"s\">\"2018\"<\/span>\r\n\r\n<span class=\"nn\">[lib]<\/span>\r\n<span class=\"py\">crate-type<\/span> <span class=\"p\">=<\/span> <span class=\"nn\">[\"cdylib\"]<\/span>\r\n\r\n<span class=\"nn\">[dependencies]<\/span>\r\n<\/code><\/pre>\n<ul class=\"post-ul\">\u53c2\u8003\u8cc7\u6599\uff1a Rust \u306e crate_type \u3092\u307e\u3068\u3081\u3066\u307f\u305f<\/ul>\n<p>\u3053\u308c\u3067Gem\u306e\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u304c\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n<h2>\u30d5\u30a3\u30dc\u30ca\u30c3\u30c1\u6570\u5217\u3092\u8a08\u7b97\u3059\u308b Rust \u306e\u30b3\u30fc\u30c9\u3092\u8ffd\u52a0\u3059\u308b<\/h2>\n<ul class=\"post-ul\">Ruby\u304b\u3089Rust\u306e\u95a2\u6570\u3092\u3064\u304b\u3046 \u2192 \u306f\u3084\u3044<\/ul>\n<p>\u3092\u53c2\u7167\u3057\u3066 src\/lib.rs \u3092\u958b\u3044\u3066\u4e0b\u8a18\u306e\u3088\u3046\u306b\u95a2\u6570\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nd\">#[no_mangle]<\/span>\r\n<span class=\"k\">pub<\/span> <span class=\"k\">extern<\/span> <span class=\"k\">fn<\/span> <span class=\"nf\">fib<\/span><span class=\"p\">(<\/span><span class=\"n\">n<\/span><span class=\"p\">:<\/span> <span class=\"nb\">u32<\/span><span class=\"p\">)<\/span> <span class=\"k\">-&gt;<\/span> <span class=\"nb\">u32<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"n\">n<\/span> <span class=\"o\">&lt;=<\/span> <span class=\"mi\">1<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"n\">n<\/span>\r\n    <span class=\"p\">}<\/span> <span class=\"k\">else<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"nf\">fib<\/span><span class=\"p\">(<\/span><span class=\"n\">n<\/span> <span class=\"o\">-<\/span> <span class=\"mi\">1<\/span><span class=\"p\">)<\/span> <span class=\"o\">+<\/span> <span class=\"nf\">fib<\/span><span class=\"p\">(<\/span><span class=\"n\">n<\/span> <span class=\"o\">-<\/span> <span class=\"mi\">2<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<\/code><\/pre>\n<h1>Rakefile\u3092\u7de8\u96c6\u3059\u308b<\/h1>\n<p>Rakefile\u306b rust_build \u30bf\u30b9\u30af\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<br \/>\n\uff08\u5171\u6709\u30e9\u30a4\u30d6\u30e9\u30ea libfib.so \u306e\u62e1\u5f35\u5b50\u306f\u3001Mac\u3067\u306f libfib.dylib Windows\u3067\u306f libfib.dll \u306a\u3069\u624b\u5143\u306e\u74b0\u5883\u306b\u5408\u308f\u305b\u3066\u66f8\u304d\u304b\u3048\u3066\u304f\u3060\u3055\u3044\u3002\uff09<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">task<\/span> <span class=\"ss\">:rust_build<\/span> <span class=\"k\">do<\/span>\r\n  <span class=\"sb\">`cargo rustc --release`<\/span>\r\n  <span class=\"sb\">`mv -f .\/target\/release\/libfib.so .\/lib\/fib`<\/span> <span class=\"c1\"># OS\u306b\u3088\u3063\u3066\u66f8\u304d\u63db\u3048\u308b<\/span>\r\n<span class=\"k\">end<\/span>\r\n\r\n<span class=\"n\">task<\/span> <span class=\"ss\">:build<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"ss\">:rust_build<\/span>\r\n<span class=\"n\">task<\/span> <span class=\"ss\">:spec<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"ss\">:rust_build<\/span>\r\n<\/code><\/pre>\n<p>\u52d5\u4f5c\u78ba\u8a8d\u306e\u305f\u3081 rake rust_build \u3057\u3066\u307f\u307e\u3059\u3002\u30bf\u30fc\u30df\u30ca\u30eb\u306b\u6b21\u306e\u8868\u793a\u304c\u73fe\u308c\u308c\u3070\u6210\u529f\u3067\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>   Compiling fib v0.1.0 (\/home\/kojix2\/Ruby\/fib)\r\n    Finished release [optimized] target(s) in 3.50s\r\n<\/code><\/pre>\n<p>tree \u307e\u305f\u306f exa -T \u30b3\u30de\u30f3\u30c9\u3067\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306e\u69cb\u6210\u3092\u78ba\u304b\u3081\u3066\u307f\u307e\u3059\u3002<br \/>\nlib\/fib\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306blibfib.so\u304c\u914d\u7f6e\u3055\u308c\u3066\u3044\u308b\u306e\u304c\u308f\u304b\u308a\u307e\u3059\u306d\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d5e0037434c4406cf3a62\/31-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u540c\u3058\u3088\u3046\u306bclean\u3092\u8ffd\u52a0\u3057\u3066\u307f\u307e\u3059\uff08\u3053\u308c\u306f\u5fc5\u9808\u3067\u306f\u3042\u308a\u307e\u305b\u3093\uff09\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">task<\/span> <span class=\"ss\">:rust_clean<\/span> <span class=\"k\">do<\/span>\r\n  <span class=\"sb\">`cargo clean`<\/span>\r\n  <span class=\"sb\">`rm -f .\/lib\/fib\/libfib.so`<\/span> <span class=\"c1\"># OS\u306b\u3088\u3063\u3066\u66f8\u304d\u63db\u3048\u308b<\/span>\r\n<span class=\"k\">end<\/span>\r\n\r\n<span class=\"n\">task<\/span> <span class=\"ss\">:clean<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"ss\">:rust_clean<\/span>\r\n<\/code><\/pre>\n<p>rake clean \u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>exa -T<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d5e0037434c4406cf3a62\/36-0.png\" alt=\"image.png\" \/><\/div>\n<p>target\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3068libfib.so\u304c\u524a\u9664\u3055\u308c\u3066\u3044\u308b\u306e\u304c\u308f\u304b\u308b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<h2>FFI<\/h2>\n<p>Ruby\u304b\u3089rust\u3092\u547c\u3076\u65b9\u6cd5\u306fForeign function interface (FFI) \u3092\u4f7f\u3044\u307e\u3059\u3002<br \/>\nRuby\u306b\u306f2\u3064\u306eFFI\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u304c\u3042\u308a\u307e\u3059\u3002fiddle \u3068 ruby-ffi \u3067\u3059\u3002\u4eca\u56de\u306e\u3088\u3046\u306a\u7c21\u5358\u306a\u30b1\u30fc\u30b9\u3067\u306f\u3001\u3069\u3061\u3089\u3067\u3082\u5927\u4e08\u592b\u3067\u3059\u3002<\/p>\n<h3>FFI\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u4f5c\u6210\u3059\u308b<\/h3>\n<p>Fib\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u4e2d\u306b\u3001FFI\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002\u3053\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u306b\u3001rust\u306e\u95a2\u6570\u3092Ruby\u306e\u30e1\u30bd\u30c3\u30c9\u3068\u3057\u3066\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">module<\/span> <span class=\"nn\">Fib<\/span>\r\n  <span class=\"k\">module<\/span> <span class=\"nn\">FFI<\/span>\r\n  <span class=\"k\">end<\/span>\r\n<span class=\"k\">end<\/span>\r\n<\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d5e0037434c4406cf3a62\/43-0.png\" alt=\"image.png\" \/><\/div>\n<h3>fiddle \u3092\u4f7f\u7528\u3059\u308b\u5834\u5408<\/h3>\n<p>fiddle \u306fRuby\u306e\u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u3059\u306e\u3067\u3059\u3050\u4f7f\u3048\u307e\u3059\u3002<\/p>\n<p>lib\/fib\/ffi.rb \u3092\u65b0\u898f\u4f5c\u6210\u3057\u307e\u3059\u3002libfib.so \u306e\u62e1\u5f35\u5b50\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nb\">require<\/span> <span class=\"s1\">'fiddle\/import'<\/span>\r\n\r\n<span class=\"k\">module<\/span> <span class=\"nn\">Fib<\/span>\r\n  <span class=\"k\">module<\/span> <span class=\"nn\">FFI<\/span>\r\n    <span class=\"kp\">extend<\/span> <span class=\"no\">Fiddle<\/span><span class=\"o\">::<\/span><span class=\"no\">Importer<\/span>\r\n    <span class=\"n\">dlload<\/span> <span class=\"no\">File<\/span><span class=\"p\">.<\/span><span class=\"nf\">expand_path<\/span><span class=\"p\">(<\/span><span class=\"s1\">'libfib.so'<\/span><span class=\"p\">,<\/span> <span class=\"n\">__dir__<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"c1\"># Mac \u306f libfib.dylib, Win \u306f libfib.dll \u7b49\u306b\u66f8\u304d\u63db\u3048\u308b\u3002<\/span>\r\n    <span class=\"n\">extern<\/span> <span class=\"s1\">'unsigned int fib(unsigned int n)'<\/span> <span class=\"c1\"># C\u8a00\u8a9e\u306e\u5f62\u5f0f\u3067\u8868\u8a18\u3059\u308b<\/span>\r\n  <span class=\"k\">end<\/span>\r\n<span class=\"k\">end<\/span>\r\n<\/code><\/pre>\n<p>Fiddle\u304cWindows\u3067\u52d5\u4f5c\u3057\u306a\u3044\u5834\u5408\u306f\u3001\u4e0b\u8a18\u306e\u30b9\u30bf\u30c3\u30af\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u306e\u65e5\u672c\u8a9e\u30c8\u30d4\u30c3\u30af\u3092\u53c2\u7167\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Windows \u306e Ruby \u306e fiddle \u3067 lib\u25cb\u25cb.dll \u304c\u8aad\u307f\u8fbc\u3081\u306a\u3044\u6642\u3001\u4f55\u3092\u30c1\u30a7\u30c3\u30af\u3059\u308c\u3070\u3088\u3044\u3067\u3057\u3087\u3046\u304b\uff1f<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">RubyInstaller2 for Windows porting guide for gem developers &#8211; DLL loading<\/ul>\n<h3>ruby-ffi \u3092\u4f7f\u7528\u3059\u308b\u5834\u5408<\/h3>\n<p>ruby-ffi \u306fRuby\u306e\u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u306f\u306a\u3044\u306e\u3067\u3001fib.gemspec\u3092\u7de8\u96c6\u3057\u3066\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">spec<\/span><span class=\"p\">.<\/span><span class=\"nf\">add_dependency<\/span> <span class=\"s2\">\"ffi\"<\/span>\r\n<\/code><\/pre>\n<p>bundle update\u3057\u3066ruby-ffi\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u307e\u3059\u3002<\/p>\n<p>lib\/fib\/ffi.rb \u3092\u65b0\u898f\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nb\">require<\/span> <span class=\"s1\">'ffi'<\/span>\r\n\r\n<span class=\"k\">module<\/span> <span class=\"nn\">Fib<\/span>\r\n  <span class=\"k\">module<\/span> <span class=\"nn\">FFI<\/span>\r\n    <span class=\"kp\">extend<\/span> <span class=\"no\">FFI<\/span><span class=\"o\">::<\/span><span class=\"no\">Library<\/span>\r\n    <span class=\"n\">lib_name<\/span> <span class=\"o\">=<\/span> <span class=\"s2\">\"libfib.<\/span><span class=\"si\">#{<\/span><span class=\"o\">::<\/span><span class=\"no\">FFI<\/span><span class=\"o\">::<\/span><span class=\"no\">Platform<\/span><span class=\"o\">::<\/span><span class=\"no\">LIBSUFFIX<\/span><span class=\"si\">}<\/span><span class=\"s2\">\"<\/span>\r\n    <span class=\"n\">ffi_lib<\/span> <span class=\"no\">File<\/span><span class=\"p\">.<\/span><span class=\"nf\">expand_path<\/span><span class=\"p\">(<\/span><span class=\"n\">lib_name<\/span><span class=\"p\">,<\/span> <span class=\"n\">__dir__<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"n\">attach_function<\/span> <span class=\"ss\">:fib<\/span><span class=\"p\">,<\/span> <span class=\"p\">[<\/span><span class=\"ss\">:uint<\/span><span class=\"p\">],<\/span> <span class=\"ss\">:uint<\/span>\r\n  <span class=\"k\">end<\/span>\r\n<span class=\"k\">end<\/span>\r\n<\/code><\/pre>\n<h2>Ruby\u3089\u3057\u304ffib\u95a2\u6570\u3092\u547c\u3073\u51fa\u305b\u308b\u3088\u3046\u306b\u3059\u308b<\/h2>\n<p>\u6700\u5f8c\u306b\u4f7f\u7528\u611f\u3092Ruby\u3089\u3057\u304f\u5909\u66f4\u3057\u307e\u3059\u3002\u4eca\u56de\u306f<\/p>\n<pre class=\"post-pre\"><code>Fib[3] # =&gt; 2\r\n<\/code><\/pre>\n<p>\u3068\u3044\u3046\u98a8\u306b\u89d2\u62ec\u5f27\u3092\u3064\u304b\u3063\u305f\u30a4\u30c7\u30a3\u30aa\u30e0\u3067\u30d5\u30a3\u30dc\u30ca\u30c3\u30c1\u6570\u3092\u547c\u3073\u51fa\u305b\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<br \/>\nlib\/fib.rb \u3092\u6b21\u306e\u3088\u3046\u306b\u7de8\u96c6\u3057\u3066\u3001Fib\u30e2\u30b8\u30e5\u30fc\u30eb\u306b[]\u30e1\u30bd\u30c3\u30c9\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nb\">require<\/span> <span class=\"s2\">\"fib\/ffi\"<\/span> <span class=\"c1\"># \u8ffd\u52a0<\/span>\r\n<span class=\"nb\">require<\/span> <span class=\"s2\">\"fib\/version\"<\/span>\r\n\r\n<span class=\"k\">module<\/span> <span class=\"nn\">Fib<\/span>\r\n  <span class=\"k\">def<\/span> <span class=\"nc\">self<\/span><span class=\"o\">.<\/span><span class=\"nf\">[]<\/span><span class=\"p\">(<\/span><span class=\"n\">n<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"no\">FFI<\/span><span class=\"p\">.<\/span><span class=\"nf\">fib<\/span><span class=\"p\">(<\/span><span class=\"n\">n<\/span><span class=\"p\">)<\/span>\r\n  <span class=\"k\">end<\/span>\r\n<span class=\"k\">end<\/span>\r\n<\/code><\/pre>\n<p>Fib\u30e2\u30b8\u30e5\u30fc\u30eb\u306b\u76f4\u63a5Rust\u306e\u95a2\u6570\u3092\u8ffd\u52a0\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u307b\u3068\u3093\u3069\u306e\u5834\u5408\u3001Rust\u306e\u3088\u3046\u306a\u4ed6\u306e\u8a00\u8a9e\u3067\u95a2\u6570\u3092\u547c\u3073\u51fa\u3059\u524d\u306b\u3001Ruby\u5074\u3067\u4f55\u304b\u3092\u884c\u3046\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001FFI\u7528\u306e\u7279\u5225\u306a\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u4f5c\u6210\u3057\u3001\u305d\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u9593\u63a5\u7684\u306b\u547c\u3073\u51fa\u3059\u65b9\u304c\u5b89\u5168\u3067\u3059\u3002<\/p>\n<p>\u6700\u521d\u304b\u3089 Fib \u30e2\u30b8\u30e5\u30fc\u30eb\u306brust\u306e\u95a2\u6570\u3092\u8ffd\u52a0\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u4ed6\u8a00\u8a9e\u306e\u95a2\u6570\u3092\u76f4\u63a5\u547c\u3073\u51fa\u3059\u524d\u306b\u3001Ruby\u5074\u3067\u4f55\u304b\u51e6\u7406\u304c\u5fc5\u8981\u306b\u306a\u308b\u30b1\u30fc\u30b9\u304c\u307b\u3068\u3093\u3069\u3060\u3068\u601d\u3044\u307e\u3059\u3002\u3060\u304b\u3089\u4eca\u56de\u306e\u30b1\u30fc\u30b9\u306e\u3088\u3046\u306b\u5c02\u7528\u306e\u30e2\u30b8\u30e5\u30fc\u30eb(\u4eca\u56de\u306fFib::FFI)\u3092\u4f5c\u6210\u3057\u3066\u3001Fib\u30e2\u30b8\u30e5\u30fc\u30eb\u304b\u3089\u306f\u5c02\u7528\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u9593\u63a5\u7684\u306b\u547c\u3073\u51fa\u3059\u3088\u3046\u306b\u3057\u305f\u65b9\u304c\u5b89\u5168\u3067\u3057\u3087\u3046\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d5e0037434c4406cf3a62\/63-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u305d\u308c\u3067\u306f\u3001\u52d5\u304b\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n<p>bundle exec bin\/consle<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d5e0037434c4406cf3a62\/66-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u3046\u307e\u304f\u52d5\u3044\u3066\u3044\u308b\u3088\u3046\u3067\u3059\u3002<\/p>\n<h2>\u30c6\u30b9\u30c8\u3092\u8ffd\u52a0\u3059\u308b<\/h2>\n<p>\uff08\u5c11\u3057\u30bf\u30a4\u30df\u30f3\u30b0\u304c\u9045\u3044\u3068\u611f\u3058\u308b\u4eba\u3082\u3044\u308b\u304b\u3082\u77e5\u308c\u307e\u305b\u3093\u304c\uff09\u3053\u3053\u3067\u30c6\u30b9\u30c8\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n<p>spec\/fib_spec.rb \u3092\u7de8\u96c6\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"no\">RSpec<\/span><span class=\"p\">.<\/span><span class=\"nf\">describe<\/span> <span class=\"no\">Fib<\/span> <span class=\"k\">do<\/span>\r\n  <span class=\"n\">it<\/span> <span class=\"s2\">\"has a version number\"<\/span> <span class=\"k\">do<\/span>\r\n    <span class=\"n\">expect<\/span><span class=\"p\">(<\/span><span class=\"no\">Fib<\/span><span class=\"o\">::<\/span><span class=\"no\">VERSION<\/span><span class=\"p\">).<\/span><span class=\"nf\">not_to<\/span> <span class=\"n\">be<\/span> <span class=\"kp\">nil<\/span>\r\n  <span class=\"k\">end<\/span>\r\n\r\n  <span class=\"n\">it<\/span> <span class=\"s2\">\"calculates fibonatti\"<\/span> <span class=\"k\">do<\/span>\r\n    <span class=\"n\">expect<\/span><span class=\"p\">(<\/span><span class=\"no\">Fib<\/span><span class=\"p\">[<\/span><span class=\"mi\">10<\/span><span class=\"p\">]).<\/span><span class=\"nf\">to<\/span> <span class=\"n\">eq<\/span><span class=\"p\">(<\/span><span class=\"mi\">55<\/span><span class=\"p\">)<\/span>\r\n  <span class=\"k\">end<\/span>\r\n<span class=\"k\">end<\/span>\r\n<\/code><\/pre>\n<h2>\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/h2>\n<p>rake install<\/p>\n<p>bundler\u306a\u3057\u3067\u3082gem\u304c\u52d5\u4f5c\u3059\u308b\u304b\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<h2>\u516c\u958b\u7528Gem\u3092\u4f5c\u308b\u4e0a\u3067\u306e\u6ce8\u610f\u70b9\u306a\u3069<\/h2>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u51e6\u7406\u4e2d\u306e\u5272\u308a\u8fbc\u307f<\/ul>\n<\/li>\n<\/ul>\n<p>\u4eca\u56de\u306e\u30d5\u30a3\u30dc\u30ca\u30c3\u30c1\u6570\u3092\u8a08\u7b97\u3059\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u306f Ctrl+C \u3092\u62bc\u3057\u3066\u3082\u4e2d\u65ad\u304c\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n<p>\u30a8\u30e9\u30fc\u51e6\u7406<\/p>\n<p>rust\u5074\u3067\u767a\u751f\u3057\u305f\u30a8\u30e9\u30fc\u3092\u56de\u53ce\u3059\u308b\u65b9\u6cd5\u3092\u5de5\u592b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u305d\u3046\u3067\u3059\u3002<\/p>\n<p>\u30af\u30ed\u30b9\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u5bfe\u5fdc<\/p>\n<p>\u5b9f\u969b\u306bGem\u3092\u4f5c\u3063\u3066\u914d\u5e03\u3059\u308b\u3068\u306a\u308b\u3068\u3001\u8272\u3005\u306aOS\u3067\u52d5\u4f5c\u3055\u305b\u305f\u308a\u3001\u5171\u6709\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u30d1\u30b9\u3092\u63a2\u3059\u51e6\u7406\u3082\u5fc5\u8981\u306b\u306a\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n<p>Gem\u914d\u5e03\u306e\u3068\u304d\u306b\u5171\u6709\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u542b\u3081\u308b\u304b\u3069\u3046\u304b<\/p>\n<p>\u3053\u308c\u306fRuby\u3068Rust\u3068\u3044\u3046\u3088\u308a\u306f\u3001\u30d0\u30a4\u30f3\u30c7\u30a3\u30f3\u30b0\u5168\u822c\u306e\u554f\u984c\u3067\u3059\u306d\u3002<\/p>\n<p>\u5168\u3066\u306eOS\u306e\u5171\u6709\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u30d0\u30fc\u30b8\u30e7\u30f3\u6c7a\u3081\u6253\u3061\u3067\u6700\u521d\u304b\u3089Gem\u306b\u542b\u3081\u3066\u304a\u304f\u65b9\u6cd5\u3002<br \/>\ngem\u3092\u30ea\u30ea\u30fc\u30b9\u3059\u308b\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u5171\u6709\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u751f\u6210\u3059\u308b\u65b9\u6cd5\u3002<br \/>\nGem\u3092\u30ea\u30ea\u30fc\u30b9\u3059\u308b\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u5171\u6709\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u3069\u3053\u304b\u304b\u3089\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b\u65b9\u6cd5\u3002<br \/>\n\u30e6\u30fc\u30b6\u30fc\u304crust\u3092\u6301\u3063\u3066\u3044\u308b\u306e\u3092\u524d\u63d0\u306b\u3057\u3066\u30e6\u30fc\u30b6\u30fc\u5074\u3067\u30b3\u30f3\u30d1\u30a4\u30eb\u3055\u305b\u308b\u65b9\u6cd5\u3002<br \/>\n\u30e6\u30fc\u30b6\u30fc\u304c\u30d1\u30c3\u30b1\u30fc\u30b8\u30de\u30cd\u30fc\u30b8\u30e3\u30fc\u7b49\u3067\u4e8b\u524d\u306blib.so\u3092\u5165\u624b\u3059\u308b\u3053\u3068\u3092\u524d\u63d0\u306b\u3057\u3066\u3001Ruby\u5074\u3067\u306f\u305d\u308c\u3092\u63a2\u3059\u3060\u3051\u306b\u3059\u308b\u65b9\u6cd5<br \/>\n\u306a\u3069\u306a\u3069\u4ed6\u306b\u3082\u3042\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u76ee\u7684\u3084\u60f3\u5b9a\u5229\u7528\u8005\u306b\u5fdc\u3058\u3066\u9078\u3076\u5fc5\u8981\u304c\u3042\u308a\u305d\u3046\u3067\u3059\u306d\u3002<\/p>\n<p>Github\u306b\u516c\u958b\u3055\u308c\u3066\u3044\u308b\u826f\u4f5c\u306eGem\u306a\u3069\u3092\u3088\u304f\u89b3\u5bdf\u3057\u3066\u3001\u826f\u3055\u305d\u3046\u306a\u65b9\u6cd5\u3092\u5c11\u3057\u305a\u3064\u53d6\u308a\u5165\u308c\u3066\u3044\u304f\u306e\u304c\u3088\u3044\u3068\u601d\u308f\u308c\u307e\u3059\u3002<\/p>\n<h2>\u6700\u5f8c\u306b<\/h2>\n<p>\u601d\u3044\u306e\u307b\u304b\u7c21\u5358\u306bRust\u3092\u7d44\u307f\u8fbc\u3093\u3060Ruby\u306eGem\u304c\u4f5c\u308c\u308b\u6c17\u304c\u3057\u3066\u304d\u307e\u3057\u305f\u3002\u5c11\u3057rust\u306e\u52c9\u5f37\u610f\u6b32\u304c\u308f\u304d\u307e\u3057\u305f\u3002<br \/>\n\u6c17\u304c\u3064\u3044\u305f\u3053\u3068\u306a\u3069\u3042\u3063\u305f\u3089\u3001\u30b3\u30e1\u30f3\u30c8\u6b04\u306a\u3069\u306b\u306a\u3093\u3067\u3082\u3084\u3055\u3057\u304f\u3054\u6307\u6458\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u3053\u306e\u8a18\u4e8b\u306f\u4ee5\u4e0a\u3067\u3059\u3002<\/p>\n<h2>\u53c2\u8003\u6587\u732e<\/h2>\n<ul class=\"post-ul\">Ruby\u304b\u3089Rust\u3092\u547c\u3073\u51fa\u3059\u3044\u304f\u3064\u304b\u306e\u65b9\u6cd5\u306e\u307e\u3068\u3081<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u306f\u3058\u3081\u306b Ruby\u306e\u51e6\u7406\u3092\u9ad8\u901f\u5316\u3059\u308b\u305f\u3081\u306b\u306fC\u8a00\u8a9e\u3067Ruby\u62e1\u5f35\u3092\u66f8\u304f\u65b9\u6cd5\u304c\u6709\u540d\u3067\u3059\u3002 \u5148\u65e5\u3001\u6d77\u5916\u306e\u30a4\u30f3\u30bf\u30fc\u30cd [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-45328","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>- 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\/45328-2\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:description\" content=\"\u306f\u3058\u3081\u306b Ruby\u306e\u51e6\u7406\u3092\u9ad8\u901f\u5316\u3059\u308b\u305f\u3081\u306b\u306fC\u8a00\u8a9e\u3067Ruby\u62e1\u5f35\u3092\u66f8\u304f\u65b9\u6cd5\u304c\u6709\u540d\u3067\u3059\u3002 \u5148\u65e5\u3001\u6d77\u5916\u306e\u30a4\u30f3\u30bf\u30fc\u30cd [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/45328-2\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2023-10-27T10:12:14+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-05-03T17:28:14+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d5e0037434c4406cf3a62\/31-0.png\" \/>\n<meta name=\"author\" content=\"\u6587, \u7fd4\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u6587, \u7fd4\" \/>\n\t<meta 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