{"id":5623,"date":"2025-09-15T15:11:33","date_gmt":"2025-09-15T15:11:33","guid":{"rendered":"https:\/\/pokecon.jp\/job\/?p=5623"},"modified":"2025-09-15T15:11:33","modified_gmt":"2025-09-15T15:11:33","slug":"c-extension%e3%82%92%e5%90%ab%e3%82%80ruby-gem%e3%81%ae%e4%bd%9c%e3%82%8a%e6%96%b9","status":"publish","type":"post","link":"https:\/\/pokecon.jp\/job\/5623\/","title":{"rendered":"C Extension\u3092\u542b\u3080Ruby Gem\u306e\u4f5c\u308a\u65b9"},"content":{"rendered":"\n<\/p>\n<div>\n<p data-line=\"0\" class=\"code-line\"><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/zenn-user-upload\/9534ecf93be5-20250915.png\" class=\"md-img\" loading=\"lazy\"\/><\/p>\n<p data-line=\"2\" class=\"code-line\">Ruby\u306b\u306f\u6570\u591a\u304f\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\uff08Gem\uff09\u304c\u516c\u958b\u3055\u308c\u3066\u304a\u308a\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u958b\u767a\u3092\u52b9\u7387\u7684\u306b\u9032\u3081\u308b\u3046\u3048\u3067\u6b20\u304b\u305b\u306a\u3044\u5b58\u5728\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u4e2d\u3067\u3082\u3001Ruby\u3060\u3051\u3067\u306f\u8868\u73fe\u3057\u306b\u304f\u3044\u9ad8\u901f\u306a\u51e6\u7406\u3084\u65e2\u5b58\u306eC\u8a00\u8a9e\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u6d3b\u7528\u3059\u308b\u5834\u5408\u306b\u7528\u3044\u3089\u308c\u308b\u306e\u304c C Extension(\u65e5\u672c\u8a9e\u3067C\u8a00\u8a9e\u62e1\u5f35) \u3067\u3059\u3002<\/p>\n<p data-line=\"4\" class=\"code-line\">C Extension\u3092\u542b\u3080Gem\u306e\u4f5c\u6210\u65b9\u6cd5\u306b\u3064\u3044\u3066\u306f\u3001\u3053\u308c\u307e\u3067\u3082\u591a\u304f\u306e\u8a18\u4e8b\u3084\u8cc7\u6599\u304c\u5b58\u5728\u3057\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u691c\u7d22\u3067\u898b\u3064\u304b\u308b\u60c5\u5831\u306e\u591a\u304f\u306f\u53e4\u304f\u3001Ruby\u3084\u30d3\u30eb\u30c9\u30c4\u30fc\u30eb\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u5dee\u7570\u306b\u3088\u308a\u3001\u624b\u9806\u901a\u308a\u306b\u9032\u3081\u3066\u3082\u30a8\u30e9\u30fc\u304c\u51fa\u3066\u3057\u307e\u3046\u30b1\u30fc\u30b9\u304c\u5c11\u306a\u304f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p data-line=\"6\" class=\"code-line\">\u305d\u3053\u3067\u672c\u8a18\u4e8b\u3067\u306f\u30012025\u5e74\u6642\u70b9\u3067\u5b9f\u969b\u306b\u52d5\u4f5c\u78ba\u8a8d\u3067\u304d\u305f\u6700\u65b0\u306e\u624b\u9806\u3092\u307e\u3068\u3081\u307e\u3059\u3002<\/p>\n<h2 id=\"%E5%89%8D%E6%8F%90\" data-line=\"8\" class=\"code-line\">\n \u524d\u63d0<\/h2>\n<p data-line=\"10\" class=\"code-line\">\u6b21\u306e\u30b3\u30de\u30f3\u30c9\u304c\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3002<\/p>\n<div class=\"s_table\"><table data-line=\"12\" class=\"code-line\">\n<thead data-line=\"12\" class=\"code-line\">\n<tr data-line=\"12\" class=\"code-line\">\n<th>\u30b3\u30de\u30f3\u30c9<\/th>\n<th>\u30d0\u30fc\u30b8\u30e7\u30f3<\/th>\n<\/tr>\n<\/thead>\n<tbody data-line=\"14\" class=\"code-line\">\n<tr data-line=\"14\" class=\"code-line\">\n<td>ruby<\/td>\n<td>3.4.5<\/td>\n<\/tr>\n<tr data-line=\"15\" class=\"code-line\">\n<td>gem<\/td>\n<td>3.6.9<\/td>\n<\/tr>\n<tr data-line=\"16\" class=\"code-line\">\n<td>bundler<\/td>\n<td>2.6.9<\/td>\n<\/tr>\n<tr data-line=\"17\" class=\"code-line\">\n<td>gcc<\/td>\n<td>Apple clang version 17.0.0<\/td>\n<\/tr>\n<tr data-line=\"18\" class=\"code-line\">\n<td>make<\/td>\n<td>3.81<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<p data-line=\"20\" class=\"code-line\">\u30d0\u30fc\u30b8\u30e7\u30f3\u306f\u79c1\u304c\u52d5\u4f5c\u78ba\u8a8d\u3057\u305f\u3068\u304d\u306e\u3082\u306e\u3067\u3059\u3002OS\u306fmacOS(Apple Silicon)\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2 id=\"%E3%81%8A%E9%A1%8C\" data-line=\"22\" class=\"code-line\">\n \u304a\u984c<\/h2>\n<p data-line=\"24\" class=\"code-line\">\u4eca\u56de\u306f\u304a\u984c\u3068\u3057\u3066\u30c8\u30e9\u30f3\u30d7\u30ab\u30fc\u30c9(PlayingCard)\u3092\u8868\u73fe\u3059\u308b\u30af\u30e9\u30b9\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n<ul data-line=\"26\" class=\"code-line\">\n<li data-line=\"26\" class=\"code-line\">\u30ab\u30fc\u30c9\u306f\u6570\u5b57\u3068\u30de\u30fc\u30af\u3092\u6301\u3064<\/li>\n<li data-line=\"27\" class=\"code-line\">\n<code>Card#number<\/code> \u3067\u6570\u5b57\u3092\u3001 <code>Card#mark<\/code> \u3067\u30de\u30fc\u30af\u3092\u53d6\u5f97\u53ef\u80fd<\/li>\n<li data-line=\"28\" class=\"code-line\">\n<code>==<\/code> \u306f\u6570\u5b57\u3068\u30de\u30fc\u30af\u304c\u4e00\u81f4\u3059\u308c\u3070 <code>true<\/code> \u3092\u8fd4\u3059<\/li>\n<\/ul>\n<h2 id=\"%E5%AE%9F%E8%A3%85\" data-line=\"30\" class=\"code-line\">\n \u5b9f\u88c5<\/h2>\n<h3 id=\"gem%E3%81%AE%E4%BD%9C%E6%88%90\" data-line=\"32\" class=\"code-line\">\n Gem\u306e\u4f5c\u6210<\/h3>\n<p data-line=\"34\" class=\"code-line\">Ruby Gem\u306e\u96db\u5f62\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002 <code>playing_cards<\/code> \u306f\u4f5c\u6210\u3059\u308bGem\u306e\u540d\u524d\u3067\u3059\u3002 <code>--ext<\/code> \u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u4ed8\u4e0e\u3059\u308b\u3053\u3068\u3067C Extension\u3092\u4f7f\u7528\u3059\u308b\u305f\u3081\u306e\u96db\u5f62\u3082\u751f\u6210\u3057\u3066\u304f\u308c\u307e\u3059\u3002<\/p>\n<div class=\"code-block-container\">\n<pre class=\"language-shell\"><code class=\"language-shell code-line\" data-line=\"36\">$ bundle gem playing_cards <span class=\"token parameter variable\">--ext<\/span>\n$ <span class=\"token builtin class-name\">cd<\/span> playing_cards\n<\/code><\/pre>\n<\/div>\n<p data-line=\"41\" class=\"code-line\">\u3053\u306e\u307e\u307e\u3060\u3068 <code>bundle exec rake build<\/code> \u3057\u305f\u3068\u304d\u306b\u30a8\u30e9\u30fc\u304c\u51fa\u307e\u3059\u3002<\/p>\n<div class=\"code-block-container\">\n<pre class=\"language-shell\"><code class=\"language-shell code-line\" data-line=\"43\">$ bundle <span class=\"token builtin class-name\">exec<\/span> rake build\n\/opt\/homebrew\/bin\/gmake <span class=\"token function\">install<\/span> <span class=\"token assign-left variable\">sitearchdir<\/span><span class=\"token operator\">=<\/span><span class=\"token punctuation\">..<\/span>\/<span class=\"token punctuation\">..<\/span>\/<span class=\"token punctuation\">..<\/span>\/<span class=\"token punctuation\">..<\/span>\/lib\/playing_cards <span class=\"token assign-left variable\">sitelibdir<\/span><span class=\"token operator\">=<\/span><span class=\"token punctuation\">..<\/span>\/<span class=\"token punctuation\">..<\/span>\/<span class=\"token punctuation\">..<\/span>\/<span class=\"token punctuation\">..<\/span>\/lib\/playing_cards <span class=\"token assign-left variable\">target_prefix<\/span><span class=\"token operator\">=<\/span>\n\/usr\/bin\/install <span class=\"token parameter variable\">-c<\/span> <span class=\"token parameter variable\">-m<\/span> 0755 playing_cards.bundle <span class=\"token punctuation\">..<\/span>\/<span class=\"token punctuation\">..<\/span>\/<span class=\"token punctuation\">..<\/span>\/<span class=\"token punctuation\">..<\/span>\/lib\/playing_cards\n<span class=\"token function\">cp<\/span> tmp\/arm64-darwin24\/playing_cards\/3.4.5\/playing_cards.bundle tmp\/arm64-darwin24\/stage\/lib\/playing_cards\/playing_cards.bundle\nrake aborted<span class=\"token operator\">!<\/span>\nRunning <span class=\"token variable\"><span class=\"token variable\">`<\/span>gem build <span class=\"token parameter variable\">-V<\/span> \/Users\/yuhei\/ghq\/github.com\/yuuu\/playing_cards\/playing_cards.gemspec<span class=\"token variable\">`<\/span><\/span> failed with the following output:\n\nWARNING:  See https:\/\/guides.rubygems.org\/specification-reference\/ <span class=\"token keyword\">for<\/span> <span class=\"token builtin class-name\">help<\/span>\nERROR:  While executing gem <span class=\"token punctuation\">..<\/span>. <span class=\"token punctuation\">(<\/span>Gem::InvalidSpecificationException<span class=\"token punctuation\">)<\/span>\n    metadata<span class=\"token punctuation\">[<\/span><span class=\"token string\">'homepage_uri'<\/span><span class=\"token punctuation\">]<\/span> has invalid link: <span class=\"token string\">\"TODO: Put your gem's website or public repo URL here.\"<\/span>\n<\/code><\/pre>\n<\/div>\n<p data-line=\"56\" class=\"code-line\">\u30a8\u30e9\u30fc\u3092\u56de\u907f\u3059\u308b\u305f\u3081 <code>playing_cards.gemspec<\/code> \u3092\u6b21\u306e\u3088\u3046\u306b\u4fee\u6b63\u3057\u307e\u3059\u3002<\/p>\n<div class=\"code-block-container\">\n<p><span class=\"code-block-filename\">playing_cards.gemspec<\/span><\/p>\n<pre class=\"diff-highlight \"><code class=\"diff-highlight  code-line\" data-line=\"58\">diff --git a\/playing_cards.gemspec b\/playing_cards.gemspec\nindex 203fbb9..8f43b11 100644\n<span class=\"token coord\">--- a\/playing_cards.gemspec<\/span>\n<span class=\"token coord\">+++ b\/playing_cards.gemspec<\/span>\n@@ -8,17 +8,17 @@ Gem::Specification.new do |spec|\n<span class=\"token unchanged\"><span class=\"token prefix unchanged\"> <\/span>  spec.authors = [\"Yuhei Okazaki\"]\n<span class=\"token prefix unchanged\"> <\/span>  spec.email = [\"okazaki@fusic.co.jp\"]\n<span class=\"token prefix unchanged\"> <\/span>\n<\/span><span class=\"token deleted-sign deleted\"><span class=\"token prefix deleted\">-<\/span>  spec.summary = \"TODO: Write a short summary, because RubyGems requires one.\"\n<span class=\"token prefix deleted\">-<\/span>  spec.description = \"TODO: Write a longer description or delete this line.\"\n<span class=\"token prefix deleted\">-<\/span>  spec.homepage = \"TODO: Put your gem's website or public repo URL here.\"\n<\/span><span class=\"token inserted-sign inserted\"><span class=\"token prefix inserted\">+<\/span>  spec.summary = \"Write a short summary, because RubyGems requires one.\" # TODO\u3092\u6d88\u3059\n<span class=\"token prefix inserted\">+<\/span>  # spec.description = \"TODO: Write a longer description or delete this line.\" # \u30b3\u30e1\u30f3\u30c8\u30a2\u30a6\u30c8\n<span class=\"token prefix inserted\">+<\/span>  # spec.homepage = \"TODO: Put your gem's website or public repo URL here.\" # \u30b3\u30e1\u30f3\u30c8\u30a2\u30a6\u30c8\n<\/span><span class=\"token unchanged\"><span class=\"token prefix unchanged\"> <\/span>  spec.license = \"MIT\"\n<span class=\"token prefix unchanged\"> <\/span>  spec.required_ruby_version = \"&gt;= 3.1.0\"\n<span class=\"token prefix unchanged\"> <\/span>\n<span class=\"token prefix unchanged\"> <\/span>  spec.metadata[\"allowed_push_host\"] = \"TODO: Set to your gem server 'https:\/\/example.com'\"\n<span class=\"token prefix unchanged\"> <\/span>\n<\/span><span class=\"token deleted-sign deleted\"><span class=\"token prefix deleted\">-<\/span>  spec.metadata[\"homepage_uri\"] = spec.homepage\n<span class=\"token prefix deleted\">-<\/span>  spec.metadata[\"source_code_uri\"] = \"TODO: Put your gem's public repo URL here.\"\n<span class=\"token prefix deleted\">-<\/span>  spec.metadata[\"changelog_uri\"] = \"TODO: Put your gem's CHANGELOG.md URL here.\"\n<\/span><span class=\"token inserted-sign inserted\"><span class=\"token prefix inserted\">+<\/span>  # spec.metadata[\"homepage_uri\"] = spec.homepage # \u30b3\u30e1\u30f3\u30c8\u30a2\u30a6\u30c8\n<span class=\"token prefix inserted\">+<\/span>  # spec.metadata[\"source_code_uri\"] = \"TODO: Put your gem's public repo URL here.\" # \u30b3\u30e1\u30f3\u30c8\u30a2\u30a6\u30c8\n<span class=\"token prefix inserted\">+<\/span>  # spec.metadata[\"changelog_uri\"] = \"TODO: Put your gem's CHANGELOG.md URL here.\" # \u30b3\u30e1\u30f3\u30c8\u30a2\u30a6\u30c8\n<\/span><span class=\"token unchanged\"><span class=\"token prefix unchanged\"> <\/span>\n<span class=\"token prefix unchanged\"> <\/span>  # Specify which files should be added to the gem when it is released.\n<span class=\"token prefix unchanged\"> <\/span>  # The `git ls-files -z` loads the files in the RubyGem that have been added into git.\n<\/span><\/code><\/pre>\n<\/div>\n<p data-line=\"89\" class=\"code-line\">\u3053\u308c\u3067\u30d3\u30eb\u30c9\u304c\u901a\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<div class=\"code-block-container\">\n<pre class=\"language-shell\"><code class=\"language-shell code-line\" data-line=\"91\">$ bundle <span class=\"token builtin class-name\">exec<\/span> rake build\n\/opt\/homebrew\/bin\/gmake <span class=\"token function\">install<\/span> <span class=\"token assign-left variable\">sitearchdir<\/span><span class=\"token operator\">=<\/span><span class=\"token punctuation\">..<\/span>\/<span class=\"token punctuation\">..<\/span>\/<span class=\"token punctuation\">..<\/span>\/<span class=\"token punctuation\">..<\/span>\/lib\/playing_cards <span class=\"token assign-left variable\">sitelibdir<\/span><span class=\"token operator\">=<\/span><span class=\"token punctuation\">..<\/span>\/<span class=\"token punctuation\">..<\/span>\/<span class=\"token punctuation\">..<\/span>\/<span class=\"token punctuation\">..<\/span>\/lib\/playing_cards <span class=\"token assign-left variable\">target_prefix<\/span><span class=\"token operator\">=<\/span>\n\/usr\/bin\/install <span class=\"token parameter variable\">-c<\/span> <span class=\"token parameter variable\">-m<\/span> 0755 playing_cards.bundle <span class=\"token punctuation\">..<\/span>\/<span class=\"token punctuation\">..<\/span>\/<span class=\"token punctuation\">..<\/span>\/<span class=\"token punctuation\">..<\/span>\/lib\/playing_cards\n<span class=\"token function\">cp<\/span> tmp\/arm64-darwin24\/playing_cards\/3.4.5\/playing_cards.bundle tmp\/arm64-darwin24\/stage\/lib\/playing_cards\/playing_cards.bundle\nplaying_cards <span class=\"token number\">0.1<\/span>.0 built to pkg\/playing_cards-0.1.0.gem.\n<\/code><\/pre>\n<\/div>\n<h3 id=\"%E3%82%AF%E3%83%A9%E3%82%B9%E3%82%84%E3%83%A1%E3%82%BD%E3%83%83%E3%83%89%E3%81%AE%E5%AE%9A%E7%BE%A9\" data-line=\"99\" class=\"code-line\">\n \u30af\u30e9\u30b9\u3084\u30e1\u30bd\u30c3\u30c9\u306e\u5b9a\u7fa9<\/h3>\n<p data-line=\"101\" class=\"code-line\"><code>ext\/playing_cards\/playing_cards.c<\/code> \u304cC Extension\u306eC\u8a00\u8a9e\u30bd\u30fc\u30b9\u3067\u3059\u3002\u4eca\u56de\u306f\u6b21\u306e\u3088\u3046\u306b\u8a18\u8ff0\u3059\u308b\u3053\u3068\u3067\u30af\u30e9\u30b9\u3084\u30e1\u30bd\u30c3\u30c9\u3092\u5b9a\u7fa9\u3057\u307e\u3057\u305f\u3002<\/p>\n<div class=\"code-block-container\">\n<p><span class=\"code-block-filename\">ext\/playing_cards\/playing_cards.c<\/span><\/p>\n<pre class=\"language-c\"><code class=\"language-c code-line\" data-line=\"103\"><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">\"playing_cards.h\"<\/span><\/span>\n\n<span class=\"token keyword\">typedef<\/span> <span class=\"token keyword\">struct<\/span> <span class=\"token punctuation\">{<\/span>\n  <span class=\"token keyword\">int<\/span> number<span class=\"token punctuation\">;<\/span>\n  VALUE mark<span class=\"token punctuation\">;<\/span>\n<span class=\"token punctuation\">}<\/span> Card<span class=\"token punctuation\">;<\/span>\n\n<span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">card_mark_func<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span> <span class=\"token operator\">*<\/span>ptr<span class=\"token punctuation\">)<\/span>\n<span class=\"token punctuation\">{<\/span>\n  Card <span class=\"token operator\">*<\/span>c <span class=\"token operator\">=<\/span> <span class=\"token punctuation\">(<\/span>Card <span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span>ptr<span class=\"token punctuation\">;<\/span>\n  <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>c <span class=\"token operator\">&amp;&amp;<\/span> c<span class=\"token operator\">-&gt;<\/span>mark<span class=\"token punctuation\">)<\/span> <span class=\"token function\">rb_gc_mark<\/span><span class=\"token punctuation\">(<\/span>c<span class=\"token operator\">-&gt;<\/span>mark<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n<span class=\"token punctuation\">}<\/span>\n\n<span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">card_free<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span> <span class=\"token operator\">*<\/span>ptr<span class=\"token punctuation\">)<\/span>\n<span class=\"token punctuation\">{<\/span>\n  <span class=\"token function\">xfree<\/span><span class=\"token punctuation\">(<\/span>ptr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n<span class=\"token punctuation\">}<\/span>\n\n<span class=\"token keyword\">static<\/span> <span class=\"token keyword\">const<\/span> <span class=\"token class-name\">rb_data_type_t<\/span> card_type <span class=\"token operator\">=<\/span>\n<span class=\"token punctuation\">{<\/span>\n  <span class=\"token string\">\"Card\"<\/span><span class=\"token punctuation\">,<\/span>\n  <span class=\"token punctuation\">{<\/span>card_mark_func<span class=\"token punctuation\">,<\/span> card_free<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span>\n  <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> RUBY_TYPED_FREE_IMMEDIATELY<span class=\"token punctuation\">,<\/span>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span>\n\n<span class=\"token keyword\">static<\/span> VALUE\n<span class=\"token function\">card_allocate<\/span><span class=\"token punctuation\">(<\/span>VALUE klass<span class=\"token punctuation\">)<\/span>\n<span class=\"token punctuation\">{<\/span>\n  Card <span class=\"token operator\">*<\/span>ptr<span class=\"token punctuation\">;<\/span>\n  <span class=\"token keyword\">return<\/span> <span class=\"token function\">TypedData_Make_Struct<\/span><span class=\"token punctuation\">(<\/span>klass<span class=\"token punctuation\">,<\/span> Card<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>card_type<span class=\"token punctuation\">,<\/span> ptr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n<span class=\"token punctuation\">}<\/span>\n\n<span class=\"token keyword\">static<\/span> VALUE\n<span class=\"token function\">card_initialize<\/span><span class=\"token punctuation\">(<\/span>VALUE self<span class=\"token punctuation\">,<\/span> VALUE number<span class=\"token punctuation\">,<\/span> VALUE mark<span class=\"token punctuation\">)<\/span>\n<span class=\"token punctuation\">{<\/span>\n  Card <span class=\"token operator\">*<\/span>ptr<span class=\"token punctuation\">;<\/span>\n  <span class=\"token function\">TypedData_Get_Struct<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> Card<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>card_type<span class=\"token punctuation\">,<\/span> ptr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n\n  <span class=\"token keyword\">int<\/span> n <span class=\"token operator\">=<\/span> <span class=\"token function\">NUM2INT<\/span><span class=\"token punctuation\">(<\/span>number<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n  <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>n <span class=\"token operator\"> <span class=\"token number\">1<\/span> <span class=\"token operator\">||<\/span> n <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">13<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\n    <span class=\"token function\">rb_raise<\/span><span class=\"token punctuation\">(<\/span>rb_eArgError<span class=\"token punctuation\">,<\/span> <span class=\"token string\">\"number must be between 1 and 13\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n  <span class=\"token punctuation\">}<\/span>\n\n  ptr<span class=\"token operator\">-&gt;<\/span>number <span class=\"token operator\">=<\/span> n<span class=\"token punctuation\">;<\/span>\n  VALUE m <span class=\"token operator\">=<\/span> <span class=\"token function\">StringValue<\/span><span class=\"token punctuation\">(<\/span>mark<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>          \n  <span class=\"token function\">RB_OBJ_WRITE<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>ptr<span class=\"token operator\">-&gt;<\/span>mark<span class=\"token punctuation\">,<\/span> m<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>    \n\n  <span class=\"token keyword\">return<\/span> self<span class=\"token punctuation\">;<\/span>\n<span class=\"token punctuation\">}<\/span>\n\n<span class=\"token keyword\">static<\/span> VALUE\n<span class=\"token function\">card_number<\/span><span class=\"token punctuation\">(<\/span>VALUE self<span class=\"token punctuation\">)<\/span>\n<span class=\"token punctuation\">{<\/span>\n  Card <span class=\"token operator\">*<\/span>ptr<span class=\"token punctuation\">;<\/span>\n  <span class=\"token function\">TypedData_Get_Struct<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> Card<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>card_type<span class=\"token punctuation\">,<\/span> ptr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n  <span class=\"token keyword\">return<\/span> <span class=\"token function\">INT2NUM<\/span><span class=\"token punctuation\">(<\/span>ptr<span class=\"token operator\">-&gt;<\/span>number<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n<span class=\"token punctuation\">}<\/span>\n\n<span class=\"token keyword\">static<\/span> VALUE\n<span class=\"token function\">card_mark<\/span><span class=\"token punctuation\">(<\/span>VALUE self<span class=\"token punctuation\">)<\/span>\n<span class=\"token punctuation\">{<\/span>\n  Card <span class=\"token operator\">*<\/span>ptr<span class=\"token punctuation\">;<\/span>\n  <span class=\"token function\">TypedData_Get_Struct<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> Card<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>card_type<span class=\"token punctuation\">,<\/span> ptr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n  <span class=\"token keyword\">return<\/span> <span class=\"token function\">rb_str_dup<\/span><span class=\"token punctuation\">(<\/span>ptr<span class=\"token operator\">-&gt;<\/span>mark<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n<span class=\"token punctuation\">}<\/span>\n\n<span class=\"token keyword\">static<\/span> VALUE\n<span class=\"token function\">card_equal<\/span><span class=\"token punctuation\">(<\/span>VALUE self<span class=\"token punctuation\">,<\/span> VALUE other<span class=\"token punctuation\">)<\/span>\n<span class=\"token punctuation\">{<\/span>\n  <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token function\">CLASS_OF<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">!=<\/span> <span class=\"token function\">CLASS_OF<\/span><span class=\"token punctuation\">(<\/span>other<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">return<\/span> Qfalse<span class=\"token punctuation\">;<\/span>\n\n  Card <span class=\"token operator\">*<\/span>p1<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">*<\/span>p2<span class=\"token punctuation\">;<\/span>\n  <span class=\"token function\">TypedData_Get_Struct<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> Card<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>card_type<span class=\"token punctuation\">,<\/span> p1<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n  <span class=\"token function\">TypedData_Get_Struct<\/span><span class=\"token punctuation\">(<\/span>other<span class=\"token punctuation\">,<\/span> Card<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>card_type<span class=\"token punctuation\">,<\/span> p2<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n\n  <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>p1<span class=\"token operator\">-&gt;<\/span>number <span class=\"token operator\">==<\/span> p2<span class=\"token operator\">-&gt;<\/span>number <span class=\"token operator\">&amp;&amp;<\/span> <span class=\"token function\">rb_str_equal<\/span><span class=\"token punctuation\">(<\/span>p1<span class=\"token operator\">-&gt;<\/span>mark<span class=\"token punctuation\">,<\/span> p2<span class=\"token operator\">-&gt;<\/span>mark<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\n    <span class=\"token keyword\">return<\/span> Qtrue<span class=\"token punctuation\">;<\/span>\n  <span class=\"token punctuation\">}<\/span>\n  <span class=\"token keyword\">return<\/span> Qfalse<span class=\"token punctuation\">;<\/span>\n<span class=\"token punctuation\">}<\/span>\n\nRUBY_FUNC_EXPORTED <span class=\"token keyword\">void<\/span>\n<span class=\"token function\">Init_playing_cards<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">)<\/span>\n<span class=\"token punctuation\">{<\/span>\n  VALUE cCard <span class=\"token operator\">=<\/span> <span class=\"token function\">rb_define_class<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"Card\"<\/span><span class=\"token punctuation\">,<\/span> rb_cObject<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n  <span class=\"token function\">rb_define_alloc_func<\/span><span class=\"token punctuation\">(<\/span>cCard<span class=\"token punctuation\">,<\/span> card_allocate<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n  <span class=\"token function\">rb_define_method<\/span><span class=\"token punctuation\">(<\/span>cCard<span class=\"token punctuation\">,<\/span> <span class=\"token string\">\"initialize\"<\/span><span class=\"token punctuation\">,<\/span> card_initialize<span class=\"token punctuation\">,<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n  <span class=\"token function\">rb_define_method<\/span><span class=\"token punctuation\">(<\/span>cCard<span class=\"token punctuation\">,<\/span> <span class=\"token string\">\"number\"<\/span><span class=\"token punctuation\">,<\/span> card_number<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n  <span class=\"token function\">rb_define_method<\/span><span class=\"token punctuation\">(<\/span>cCard<span class=\"token punctuation\">,<\/span> <span class=\"token string\">\"mark\"<\/span><span class=\"token punctuation\">,<\/span> card_mark<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n  <span class=\"token function\">rb_define_method<\/span><span class=\"token punctuation\">(<\/span>cCard<span class=\"token punctuation\">,<\/span> <span class=\"token string\">\"==\"<\/span><span class=\"token punctuation\">,<\/span> card_equal<span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n<span class=\"token punctuation\">}<\/span>\n<\/span><\/code><\/pre>\n<\/div>\n<p data-line=\"197\" class=\"code-line\"><code>Init_playing_cards<\/code> \u304c\u809d\u3067\u3001\u6700\u521d\u306b\u3053\u306e\u95a2\u6570\u304c\u547c\u3070\u308c\u308b\u3053\u3068\u3067\u30af\u30e9\u30b9\u304c\u5b9a\u7fa9\u3055\u308c\u3001Ruby\u306e\u30e1\u30bd\u30c3\u30c9\u3068C\u8a00\u8a9e\u306e\u95a2\u6570\u3092\u3064\u306a\u304e\u5408\u308f\u305b\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u4ed5\u7d44\u307f\u3084mruby\u3084mruby\/c(PicoRuby)\u3067\u3082\u540c\u69d8\u3067\u3059\u306d\u3002<\/p>\n<p data-line=\"199\" class=\"code-line\">\u53e4\u3044\u8a18\u4e8b\u3060\u3068 <code>Init_playing_cards<\/code> \u3092\u5b9a\u7fa9\u3059\u308b\u3068\u304d\u306b <code>RUBY_FUNC_EXPORTED<\/code> \u304c\u4f7f\u308f\u308c\u3066\u3044\u306a\u3044\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<code>RUBY_FUNC_EXPORTED<\/code> \u3092\u7701\u7565\u3059\u308b\u3068\u3001\u5b9a\u7fa9\u3057\u305f\u30af\u30e9\u30b9\u3084\u30e1\u30bd\u30c3\u30c9\u304c\u975e\u516c\u958b\u3068\u306a\u308a\u3001\u52d5\u4f5c\u78ba\u8a8d\u6642\u306b\u547c\u3073\u51fa\u305b\u306a\u304f\u306a\u308b\u306e\u3067\u6ce8\u610f\u3067\u3059\u3002<\/p>\n<h2 id=\"%E5%8B%95%E4%BD%9C%E7%A2%BA%E8%AA%8D\" data-line=\"201\" class=\"code-line\">\n \u52d5\u4f5c\u78ba\u8a8d<\/h2>\n<h3 id=\"%E3%83%93%E3%83%AB%E3%83%89\" data-line=\"203\" class=\"code-line\">\n \u30d3\u30eb\u30c9<\/h3>\n<p data-line=\"205\" class=\"code-line\">C Extension\u3092\u542b\u3080Ruby Gem\u306e\u52d5\u4f5c\u78ba\u8a8d\u3092\u3059\u308b\u969b\u306b\u306f\u30b3\u30f3\u30d1\u30a4\u30eb\u304c\u5fc5\u8981\u3067\u3059\u3002<br \/>\u6b21\u306e\u3088\u3046\u306a\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3053\u3068\u3067\u30b3\u30f3\u30d1\u30a4\u30eb\u3057\u307e\u3059\u3002<\/p>\n<div class=\"code-block-container\">\n<pre class=\"language-shell\"><code class=\"language-shell code-line\" data-line=\"208\">$ bundle <span class=\"token builtin class-name\">exec<\/span> rake compile\n\/opt\/homebrew\/bin\/gmake <span class=\"token function\">install<\/span> <span class=\"token assign-left variable\">sitearchdir<\/span><span class=\"token operator\">=<\/span><span class=\"token punctuation\">..<\/span>\/<span class=\"token punctuation\">..<\/span>\/<span class=\"token punctuation\">..<\/span>\/<span class=\"token punctuation\">..<\/span>\/lib\/playing_cards <span class=\"token assign-left variable\">sitelibdir<\/span><span class=\"token operator\">=<\/span><span class=\"token punctuation\">..<\/span>\/<span class=\"token punctuation\">..<\/span>\/<span class=\"token punctuation\">..<\/span>\/<span class=\"token punctuation\">..<\/span>\/lib\/playing_cards <span class=\"token assign-left variable\">target_prefix<\/span><span class=\"token operator\">=<\/span>\n\/usr\/bin\/install <span class=\"token parameter variable\">-c<\/span> <span class=\"token parameter variable\">-m<\/span> 0755 playing_cards.bundle <span class=\"token punctuation\">..<\/span>\/<span class=\"token punctuation\">..<\/span>\/<span class=\"token punctuation\">..<\/span>\/<span class=\"token punctuation\">..<\/span>\/lib\/playing_cards\n<span class=\"token function\">cp<\/span> tmp\/arm64-darwin24\/playing_cards\/3.4.5\/playing_cards.bundle tmp\/arm64-darwin24\/stage\/lib\/playing_cards\/playing_cards.bundle\n<\/code><\/pre>\n<\/div>\n<h3 id=\"%E5%AE%9F%E8%A1%8C\" data-line=\"215\" class=\"code-line\">\n \u5b9f\u884c<\/h3>\n<p data-line=\"217\" class=\"code-line\"><code>irb<\/code> \u3092\u8d77\u52d5\u3057\u3066\u52d5\u4f5c\u78ba\u8a8d\u3092\u3057\u307e\u3057\u3087\u3046\u3002 <code>-I<\/code> \u306f\u6307\u5b9a\u3057\u305f\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3092\u8aad\u307f\u8fbc\u3080\u30aa\u30d7\u30b7\u30e7\u30f3\u3001 <code>-r<\/code> \u306f\u4e88\u3081 <code>require<\/code> \u3092\u3059\u308b\u305f\u3081\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u3059\u3002<\/p>\n<div class=\"code-block-container\">\n<pre class=\"language-shell\"><code class=\"language-shell code-line\" data-line=\"219\">$ irb <span class=\"token parameter variable\">-Ilib<\/span> <span class=\"token parameter variable\">-rplaying_cards<\/span>\nirb<span class=\"token punctuation\">(<\/span>main<span class=\"token punctuation\">)<\/span>:00<span class=\"token operator\"><span class=\"token file-descriptor important\">1<\/span>&gt;<\/span> c1 <span class=\"token operator\">=<\/span> Card.new<span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span>, <span class=\"token string\">'spade'<\/span><span class=\"token punctuation\">)<\/span>\n<span class=\"token operator\">=<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token punctuation\"\/><span class=\"token punctuation\"\/><span class=\"token operator\"><span class=\"token file-descriptor important\"\/><\/span><span class=\"token operator\"\/><span class=\"token punctuation\"\/><span class=\"token number\"\/><span class=\"token string\"\/><span class=\"token punctuation\"\/><span class=\"token operator\"\/><span class=\"token operator\"\/><span class=\"token punctuation\"\/><span class=\"token punctuation\"\/><span class=\"token operator\"><span class=\"token file-descriptor important\"\/><\/span><span class=\"token operator\"\/><span class=\"token operator\"\/><span class=\"token operator\"\/><span class=\"token boolean\"\/><span class=\"token punctuation\"\/><span class=\"token punctuation\"\/><span class=\"token operator\"><span class=\"token file-descriptor important\"\/><\/span><span class=\"token operator\"\/><span class=\"token operator\"\/><span class=\"token operator\"\/><span class=\"token boolean\"\/><span class=\"token punctuation\"\/><span class=\"token punctuation\"\/><span class=\"token operator\"><span class=\"token file-descriptor important\"\/><\/span><span class=\"token operator\"\/><span class=\"token operator\"\/><span class=\"token number\"\/><span class=\"token punctuation\"\/><span class=\"token punctuation\"\/><span class=\"token operator\"><span class=\"token file-descriptor important\"\/><\/span><span class=\"token operator\"\/><span class=\"token operator\"\/><span class=\"token string\"\/><\/code><\/pre>\n<\/div>\n<p data-line=\"235\" class=\"code-line\">\u3082\u3057\u304f\u306f\u6b21\u306e\u3088\u3046\u306a\u30ef\u30f3\u30e9\u30a4\u30ca\u30fc\u3067\u306e\u5b9f\u884c\u3082\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<h2 id=\"%E3%83%87%E3%83%90%E3%83%83%E3%82%B0\" data-line=\"243\" class=\"code-line\">\u30c7\u30d0\u30c3\u30b0<\/h2>\n<h3 id=\"%E6%8B%A1%E5%BC%B5%E6%A9%9F%E8%83%BD%E3%81%AE%E3%82%A4%E3%83%B3%E3%82%B9%E3%83%88%E3%83%BC%E3%83%AB\" data-line=\"245\" class=\"code-line\">\u62e1\u5f35\u6a5f\u80fd\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/h3>\n<p data-line=\"247\" class=\"code-line\">\u30c7\u30d0\u30c3\u30b0\u74b0\u5883\u3092\u69cb\u7bc9\u3059\u308b\u305f\u3081\u306b\u3001\u306e\u62e1\u5f35\u6a5f\u80fd\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u307e\u3059\u3002<\/p>\n<p data-line=\"249\" class=\"code-line\"><span class=\"embed-block zenn-embedded zenn-embedded-card\"><iframe id=\"zenn-embedded__c4f860ec12eca\" src=\"https:\/\/embed.zenn.studio\/card#zenn-embedded__c4f860ec12eca\" data-content=\"https%3A%2F%2Fmarketplace.visualstudio.com%2Fitems%3FitemName%3Dms-vscode.cpptools-extension-pack\" frameborder=\"0\" scrolling=\"no\" loading=\"lazy\"><\/iframe><\/span><a target=\"_blank\" href=\"https:\/\/marketplace.visualstudio.com\/items?itemName=ms-vscode.cpptools-extension-pack\" style=\"display:none\" target=\"_blank\" rel=\"nofollow noopener noreferrer\"\/><\/p>\n<h3 id=\"%E3%82%B3%E3%83%B3%E3%83%91%E3%82%A4%E3%83%AB%E3%82%AA%E3%83%97%E3%82%B7%E3%83%A7%E3%83%B3%E3%81%AE%E8%BF%BD%E5%8A%A0\" data-line=\"251\" class=\"code-line\">\u30b3\u30f3\u30d1\u30a4\u30eb\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u8ffd\u52a0<\/h3>\n<p data-line=\"253\" class=\"code-line\"><code\/>\u306b\u6b21\u306e\u3088\u3046\u306a\u30b3\u30fc\u30c9\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n<p data-line=\"275\" class=\"code-line\">\u3053\u306e\u30b3\u30fc\u30c9\u306f<code\/>\u3068\u3044\u3046\u74b0\u5883\u5909\u6570\u304c\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u308b\u3068\u304d\u306b\u3001\u6700\u9069\u5316\u3092\u7121\u52b9\u5316\u3057\u3001\u30c7\u30d0\u30c3\u30b0\u30d5\u30e9\u30b0\u3092\u6709\u52b9\u5316\u3059\u308b\u3082\u306e\u3067\u3059\u3002<br \/>\u6b21\u306e\u30b3\u30de\u30f3\u30c9\u3067\u30b3\u30f3\u30d1\u30a4\u30eb\u3057\u306a\u304a\u3057\u307e\u3059\u3002<\/p>\n<h3 id=\"%E3%83%87%E3%83%90%E3%83%83%E3%82%AC%E3%82%92%E8%B5%B7%E5%8B%95\" data-line=\"283\" class=\"code-line\">\u30c7\u30d0\u30c3\u30ac\u3092\u8d77\u52d5<\/h3>\n<p data-line=\"285\" 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