{"id":2193,"date":"2025-03-24T08:48:03","date_gmt":"2025-03-23T23:48:03","guid":{"rendered":"https:\/\/dexall.co.jp\/articles\/?p=2193"},"modified":"2025-03-24T08:48:28","modified_gmt":"2025-03-23T23:48:28","slug":"c%e3%81%aevoid%e5%ae%8c%e5%85%a8%e3%82%ac%e3%82%a4%e3%83%89%ef%bc%9a%e5%88%9d%e5%bf%83%e8%80%85%e3%81%a7%e3%82%82%e3%82%8f%e3%81%8b%e3%82%8b5%e3%81%a4%e3%81%ae%e9%87%8d%e8%a6%81%e3%81%aa%e4%bd%bf","status":"publish","type":"post","link":"https:\/\/dexall.co.jp\/articles\/?p=2193","title":{"rendered":"C++\u306evoid\u5b8c\u5168\u30ac\u30a4\u30c9\uff1a\u521d\u5fc3\u8005\u3067\u3082\u308f\u304b\u308b5\u3064\u306e\u91cd\u8981\u306a\u4f7f\u3044\u65b9"},"content":{"rendered":"\n<div class=\"toc\"><br \/>\n<b>Warning<\/b>:  Undefined array key \"is_admin\" in <b>\/home\/xs392991\/dexall.co.jp\/public_html\/articles\/wp-content\/themes\/sango-theme\/library\/gutenberg\/dist\/classes\/Toc.php<\/b> on line <b>116<\/b><br \/>\n<br \/>\n<b>Warning<\/b>:  Undefined array key \"is_category_top\" in <b>\/home\/xs392991\/dexall.co.jp\/public_html\/articles\/wp-content\/themes\/sango-theme\/library\/gutenberg\/dist\/classes\/Toc.php<\/b> on line <b>121<\/b><br \/>\n<br \/>\n<b>Warning<\/b>:  Undefined array key \"is_top\" in <b>\/home\/xs392991\/dexall.co.jp\/public_html\/articles\/wp-content\/themes\/sango-theme\/library\/gutenberg\/dist\/classes\/Toc.php<\/b> on line <b>128<\/b><br \/>\n    <div id=\"toc_container\" class=\"sgb-toc--bullets js-smooth-scroll\" data-dialog-title=\"\u76ee\u6b21\">\n      <p class=\"toc_title\">\u76ee\u6b21 <\/p>\n      <ul class=\"toc_list\">  <li class=\"first\">    <a href=\"#i-0\">void\u3068\u306f\uff1fC++\u3067\u306e\u5f79\u5272\u3068\u57fa\u672c\u6982\u5ff5<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-1\">\u306a\u305cC++\u3067void\u3092\u4f7f\u3046\u5fc5\u8981\u304c\u3042\u308b\u306e\u304b<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-2\">void\u306e\u610f\u5473\uff1a\u300c\u4f55\u3082\u306a\u3044\u300d\u304c\u6301\u3064\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u7684\u4fa1\u5024<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-3\">void\u306e\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\u30de\u30b9\u30bf\u30fc\u30ac\u30a4\u30c9<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-4\">\u623b\u308a\u5024\u3068\u3057\u3066\u306evoid\uff1a\u95a2\u6570\u304c\u4f55\u3082\u8fd4\u3055\u306a\u3044\u5834\u5408\u306e\u6b63\u3057\u3044\u4f7f\u3044\u65b9<\/a>      <\/li>      <li>        <a href=\"#i-5\">\u5f15\u6570\u3068\u3057\u3066\u306evoid\uff1a\u7a7a\u306e\u5f15\u6570\u30ea\u30b9\u30c8\u3092\u8868\u73fe\u3059\u308b\u65b9\u6cd5<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-6\">\u30dd\u30a4\u30f3\u30bf\u3068void\uff1a\u6c4e\u7528\u30dd\u30a4\u30f3\u30bf\u306e\u6d3b\u7528\u8853<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-7\">\u3088\u304f\u3042\u308bvoid\u95a2\u9023\u306e\u30a8\u30e9\u30fc\u3068\u89e3\u6c7a\u6cd5<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-8\">\u300cvoid value not ignored as it ought to be\u300d\u306e\u610f\u5473\u3068\u5bfe\u51e6\u6cd5<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-9\">void\u30dd\u30a4\u30f3\u30bf\u306e\u30ad\u30e3\u30b9\u30c8\u6642\u306b\u767a\u751f\u3059\u308b\u554f\u984c\u306e\u89e3\u6c7a\u65b9\u6cd5<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-10\">void\u3092\u4f7f\u7528\u3059\u308b\u969b\u306e\u5b9f\u8df5\u7684\u306a\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-11\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u8003\u616e\u3057\u305fvoid\u306e\u4f7f\u7528\u65b9\u6cd5<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-12\">\u53ef\u8aad\u6027\u306e\u9ad8\u3044\u30b3\u30fc\u30c9\u3092\u66f8\u304f\u305f\u3081\u306evoid\u306e\u6d3b\u7528\u30c6\u30af\u30cb\u30c3\u30af<\/a>      <\/li>    <\/ul>  <\/li>  <li class=\"last\">    <a href=\"#i-13\">\u4ed6\u306e\u8a00\u8a9e\u3068\u306e\u9055\u3044\u304b\u3089\u5b66\u3076void\u306e\u7279\u5fb4<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-14\">Java\u3084TypeScript\u3068\u306e\u6bd4\u8f03\u3067\u7406\u89e3\u3059\u308bvoid\u306e\u7279\u6027<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-15\">\u30e2\u30c0\u30f3C++\u3067\u306e\u65b0\u3057\u3044void\u306e\u4f7f\u308f\u308c\u65b9<\/a>      <\/li>    <\/ul>  <\/li><\/ul>\n      <a href=\"#\" class=\"sgb-toc-button js-toc-button\" rel=\"nofollow\" data-open-dialog=\"true\"><i class=\"fa fa-list\"><\/i><span class=\"sgb-toc-button__text\">\u76ee\u6b21\u3078<\/span><\/a>\n    <\/div><\/div><h2 class=\"wp-block-heading\" id=\"i-0\">void\u3068\u306f\uff1fC++\u3067\u306e\u5f79\u5272\u3068\u57fa\u672c\u6982\u5ff5<\/h2>\n\n\n\n<p>\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306b\u304a\u3044\u3066\u3001\u300cvoid\uff08\u30dc\u30a4\u30c9\uff09\u300d\u3068\u3044\u3046\u8a00\u8449\u306f\u300c\u7a7a\u300d\u3084\u300c\u7121\u52b9\u300d\u3092\u610f\u5473\u3057\u307e\u3059\u3002C++\u8a00\u8a9e\u306b\u304a\u3044\u3066\u3001void\u306f\u7279\u5225\u306a\u578b\u3068\u3057\u3066\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001void\u306e\u57fa\u672c\u7684\u306a\u6982\u5ff5\u3068\u3001\u306a\u305cC++\u3067void\u304c\u5fc5\u8981\u3068\u3055\u308c\u3066\u3044\u308b\u306e\u304b\u3092\u8a73\u3057\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-1\">\u306a\u305cC++\u3067void\u3092\u4f7f\u3046\u5fc5\u8981\u304c\u3042\u308b\u306e\u304b<\/h3>\n\n\n\n<p>C++\u3067void\u3092\u4f7f\u7528\u3059\u308b\u4e3b\u306a\u7406\u7531\u306f\u4ee5\u4e0b\u306e3\u3064\u3067\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u95a2\u6570\u306e\u623b\u308a\u5024\u306e\u578b\u3092\u660e\u793a\u3059\u308b<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u95a2\u6570\u304c\u5024\u3092\u8fd4\u3055\u306a\u3044\u3053\u3068\u3092\u660e\u78ba\u306b\u793a\u3059<\/li>\n\n\n\n<li>\u30b3\u30fc\u30c9\u306e\u610f\u56f3\u3092\u4ed6\u306e\u958b\u767a\u8005\u306b\u4f1d\u3048\u308b<\/li>\n\n\n\n<li>\u30b3\u30f3\u30d1\u30a4\u30e9\u306b\u3088\u308b\u578b\u30c1\u30a7\u30c3\u30af\u3092\u53ef\u80fd\u306b\u3059\u308b<\/li>\n<\/ul>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u5024\u3092\u8fd4\u3055\u306a\u3044\u95a2\u6570\u306e\u4f8b\nvoid printMessage() {\n    std::cout &lt;&lt; \"Hello, World!\" &lt;&lt; std::endl;\n    \/\/ return\u6587\u306f\u5fc5\u8981\u306a\u3044\n}<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u95a2\u6570\u306e\u5f15\u6570\u304c\u5b58\u5728\u3057\u306a\u3044\u3053\u3068\u3092\u793a\u3059<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5f15\u6570\u3092\u53d6\u3089\u306a\u3044\u95a2\u6570\u3067\u3042\u308b\u3053\u3068\u3092\u660e\u793a\u3059\u308b<\/li>\n\n\n\n<li>C\u8a00\u8a9e\u3068\u306e\u4e92\u63db\u6027\u3092\u7dad\u6301\u3059\u308b<\/li>\n<\/ul>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u5f15\u6570\u306e\u306a\u3044\u95a2\u6570\u306e\u5ba3\u8a00\uff08\u4e21\u65b9\u3068\u3082\u540c\u3058\u610f\u5473\uff09\nvoid sayHello(void);  \/\/ C\u8a00\u8a9e\u30b9\u30bf\u30a4\u30eb\nvoid sayHello();      \/\/ \u30e2\u30c0\u30f3C++\u30b9\u30bf\u30a4\u30eb<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>\u6c4e\u7528\u30dd\u30a4\u30f3\u30bf\u3068\u3057\u3066\u306e\u4f7f\u7528<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3069\u3093\u306a\u578b\u306e\u30dd\u30a4\u30f3\u30bf\u3067\u3082\u683c\u7d0d\u3067\u304d\u308b<\/li>\n\n\n\n<li>\u30e1\u30e2\u30ea\u64cd\u4f5c\u3084\u30e9\u30a4\u30d6\u30e9\u30ea\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3067\u6d3b\u7528<\/li>\n<\/ul>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ void*\u3092\u4f7f\u7528\u3057\u305f\u6c4e\u7528\u30dd\u30a4\u30f3\u30bf\u306e\u4f8b\nvoid* genericPtr;\nint number = 42;\ngenericPtr = &amp;number;  \/\/ int\u306e\u30dd\u30a4\u30f3\u30bf\u3092void*\u306b\u4ee3\u5165<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-2\">void\u306e\u610f\u5473\uff1a\u300c\u4f55\u3082\u306a\u3044\u300d\u304c\u6301\u3064\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u7684\u4fa1\u5024<\/h3>\n\n\n\n<p>void\u304c\u300c\u4f55\u3082\u306a\u3044\u300d\u3053\u3068\u3092\u8868\u73fe\u3067\u304d\u308b\u80fd\u529b\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5834\u9762\u3067\u91cd\u8981\u306a\u4fa1\u5024\u3092\u6301\u3061\u307e\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u5236\u5fa1\u30d5\u30ed\u30fc\u7ba1\u7406<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u51e6\u7406\u306e\u5b9f\u884c\u306e\u307f\u3092\u76ee\u7684\u3068\u3059\u308b\u95a2\u6570\u306e\u5b9a\u7fa9<\/li>\n\n\n\n<li>\u30a8\u30e9\u30fc\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0\u3084\u30ed\u30b0\u51fa\u529b\u306a\u3069\u306e\u526f\u4f5c\u7528\u3092\u6301\u3064\u51e6\u7406<\/li>\n<\/ul>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u30a8\u30e9\u30fc\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0\u306e\u4f8b\nvoid handleError(const std::string&amp; errorMessage) {\n    std::cerr &lt;&lt; \"Error: \" &lt;&lt; errorMessage &lt;&lt; std::endl;\n    \/\/ \u30a8\u30e9\u30fc\u30ed\u30b0\u306e\u51fa\u529b\u306e\u307f\u3092\u884c\u3044\u3001\u5024\u306f\u8fd4\u3055\u306a\u3044\n}<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u8a2d\u8a08<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u62bd\u8c61\u30af\u30e9\u30b9\u3084\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u30e1\u30bd\u30c3\u30c9\u5b9a\u7fa9<\/li>\n\n\n\n<li>\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u95a2\u6570\u306e\u5b9a\u7fa9<\/li>\n<\/ul>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u4f8b\nclass Interface {\npublic:\n    virtual void initialize() = 0;  \/\/ \u7d14\u7c8b\u4eee\u60f3\u95a2\u6570\n    virtual void cleanup() = 0;     \/\/ \u5024\u3092\u8fd4\u3055\u306a\u3044\u30e1\u30bd\u30c3\u30c9\n};<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>\u30e1\u30e2\u30ea\u7ba1\u7406<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4f4e\u30ec\u30d9\u30eb\u30e1\u30e2\u30ea\u64cd\u4f5c<\/li>\n\n\n\n<li>\u30ab\u30b9\u30bf\u30e0\u30e1\u30e2\u30ea\u30a2\u30ed\u30b1\u30fc\u30bf\u306e\u5b9f\u88c5<\/li>\n<\/ul>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u30e1\u30e2\u30ea\u7ba1\u7406\u306e\u4f8b\nvoid* customAlloc(size_t size) {\n    void* ptr = malloc(size);  \/\/ \u6c4e\u7528\u30dd\u30a4\u30f3\u30bf\u3092\u8fd4\u3059\n    return ptr;\n}\n\nvoid customFree(void* ptr) {   \/\/ \u6c4e\u7528\u30dd\u30a4\u30f3\u30bf\u3092\u53d7\u3051\u53d6\u308b\n    free(ptr);\n    \/\/ \u623b\u308a\u5024\u306f\u4e0d\u8981\n}<\/pre>\n\n\n\n<p>void\u306e\u4f7f\u7528\u306f\u3001C++\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306b\u304a\u3044\u3066\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5229\u70b9\u3092\u3082\u305f\u3089\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30b3\u30fc\u30c9\u306e\u610f\u56f3\u306e\u660e\u78ba\u5316<\/strong>\uff1a\u95a2\u6570\u304c\u5024\u3092\u8fd4\u3055\u306a\u3044\u3053\u3068\u3092\u660e\u793a\u7684\u306b\u793a\u3059<\/li>\n\n\n\n<li><strong>\u578b\u5b89\u5168\u6027\u306e\u5411\u4e0a<\/strong>\uff1a\u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u306e\u578b\u30c1\u30a7\u30c3\u30af\u3092\u53ef\u80fd\u306b\u3059\u308b<\/li>\n\n\n\n<li><strong>\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u7c21\u7d20\u5316<\/strong>\uff1a\u5fc5\u8981\u306e\u306a\u3044\u623b\u308a\u5024\u3092\u6392\u9664<\/li>\n\n\n\n<li><strong>\u30e1\u30e2\u30ea\u64cd\u4f5c\u306e\u67d4\u8edf\u6027<\/strong>\uff1a\u578b\u306b\u4f9d\u5b58\u3057\u306a\u3044\u30dd\u30a4\u30f3\u30bf\u64cd\u4f5c\u3092\u53ef\u80fd\u306b\u3059\u308b<\/li>\n<\/ul>\n\n\n\n<p>\u521d\u5fc3\u8005\u30d7\u30ed\u30b0\u30e9\u30de\u30fc\u306b\u3068\u3063\u3066\u3001void\u306f\u300c\u4f55\u3082\u306a\u3044\u300d\u3068\u3044\u3046\u62bd\u8c61\u7684\u306a\u6982\u5ff5\u3092\u7406\u89e3\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u6700\u521d\u306e\u8ab2\u984c\u306e\u4e00\u3064\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u3057\u304b\u3057\u3001\u4e0a\u8a18\u306e\u4f8b\u3067\u793a\u3057\u305f\u3088\u3046\u306b\u3001void\u306f\u5b9f\u8df5\u7684\u306a\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306b\u304a\u3044\u3066\u975e\u5e38\u306b\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-3\">void\u306e\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\u30de\u30b9\u30bf\u30fc\u30ac\u30a4\u30c9<\/h2>\n\n\n\n<p>C++\u306b\u304a\u3044\u3066void\u306f3\u3064\u306e\u4e3b\u8981\u306a\u7528\u9014\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u305d\u308c\u305e\u308c\u306e\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3001\u5b9f\u8df5\u7684\u306a\u4f8b\u3092\u4ea4\u3048\u3066\u8aac\u660e\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-4\">\u623b\u308a\u5024\u3068\u3057\u3066\u306evoid\uff1a\u95a2\u6570\u304c\u4f55\u3082\u8fd4\u3055\u306a\u3044\u5834\u5408\u306e\u6b63\u3057\u3044\u4f7f\u3044\u65b9<\/h3>\n\n\n\n<p>\u623b\u308a\u5024\u306e\u578b\u3068\u3057\u3066void\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u3001\u4ee5\u4e0b\u306e\u30dd\u30a4\u30f3\u30c8\u306b\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u5358\u7d14\u306a void \u95a2\u6570\u306e\u4f8b\nvoid logMessage(const std::string&amp; message) {\n    std::cout &lt;&lt; \"Log: \" &lt;&lt; message &lt;&lt; std::endl;\n    \/\/ return; \u306f\u7701\u7565\u53ef\u80fd\n}\n\n\/\/ \u30af\u30e9\u30b9\u30e1\u30bd\u30c3\u30c9\u3067\u306e\u4f7f\u7528\u4f8b\nclass DataProcessor {\npublic:\n    void initialize() {\n        \/\/ \u521d\u671f\u5316\u51e6\u7406\n        initialized = true;\n    }\nprivate:\n    bool initialized = false;\n};<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u623b\u308a\u5024\u3092\u8fd4\u3055\u306a\u3044\u95a2\u6570\u306e\u8a2d\u8a08\u30d1\u30bf\u30fc\u30f3<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u30b3\u30de\u30f3\u30c9\u30d1\u30bf\u30fc\u30f3\u306e\u4f8b\nclass Command {\npublic:\n    virtual void execute() = 0;  \/\/ \u623b\u308a\u5024\u306e\u306a\u3044\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\n};\n\nclass PrintCommand : public Command {\npublic:\n    void execute() override {\n        std::cout &lt;&lt; \"Executing print command\" &lt;&lt; std::endl;\n    }\n};<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-5\">\u5f15\u6570\u3068\u3057\u3066\u306evoid\uff1a\u7a7a\u306e\u5f15\u6570\u30ea\u30b9\u30c8\u3092\u8868\u73fe\u3059\u308b\u65b9\u6cd5<\/h3>\n\n\n\n<p>void\u3092\u5f15\u6570\u3068\u3057\u3066\u4f7f\u7528\u3059\u308b\u5834\u5408\u306e\u6ce8\u610f\u70b9\u3068\u4f8b\u3092\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>C\u8a00\u8a9e\u30b9\u30bf\u30a4\u30eb\u3068C++\u30b9\u30bf\u30a4\u30eb<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ C\u8a00\u8a9e\u30b9\u30bf\u30a4\u30eb\uff08\u660e\u793a\u7684\u306avoid\uff09\nvoid function1(void) {\n    \/\/ \u51e6\u7406\n}\n\n\/\/ C++\u30b9\u30bf\u30a4\u30eb\uff08\u7a7a\u306e\u5f15\u6570\u30ea\u30b9\u30c8\uff09\nvoid function2() {\n    \/\/ \u51e6\u7406\n}\n\n\/\/ \u3069\u3061\u3089\u3082\u540c\u3058\u610f\u5473\u3060\u304c\u3001C++\u3067\u306f\u5f8c\u8005\u304c\u63a8\u5968\u3055\u308c\u308b<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u3067\u306e\u4f7f\u7528<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ void\u5f15\u6570\u306e\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\ntypedef void (*CallbackFunc)(void);\n\nclass EventHandler {\npublic:\n    void registerCallback(CallbackFunc callback) {\n        m_callback = callback;\n    }\n\n    void triggerCallback() {\n        if (m_callback) {\n            m_callback();\n        }\n    }\nprivate:\n    CallbackFunc m_callback = nullptr;\n};<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-6\">\u30dd\u30a4\u30f3\u30bf\u3068void\uff1a\u6c4e\u7528\u30dd\u30a4\u30f3\u30bf\u306e\u6d3b\u7528\u8853<\/h3>\n\n\n\n<p>void*\uff08\u30dc\u30a4\u30c9\u30dd\u30a4\u30f3\u30bf\uff09\u306f\u3001\u578b\u3092\u554f\u308f\u306a\u3044\u30dd\u30a4\u30f3\u30bf\u3068\u3057\u3066\u4f7f\u7528\u3067\u304d\u307e\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u57fa\u672c\u7684\u306a\u4f7f\u7528\u65b9\u6cd5<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ void*\u306e\u57fa\u672c\u7684\u306a\u4f7f\u7528\u4f8b\nvoid* genericPointer;\nint number = 42;\ndouble pi = 3.14;\n\ngenericPointer = &amp;number;  \/\/ int*\u304b\u3089void*\u3078\nint* intPtr = static_cast&lt;int*&gt;(genericPointer);  \/\/ void*\u304b\u3089int*\u3078\n\ngenericPointer = &amp;pi;      \/\/ double*\u304b\u3089void*\u3078\ndouble* doublePtr = static_cast&lt;double*&gt;(genericPointer);  \/\/ void*\u304b\u3089double*\u3078<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u30e1\u30e2\u30ea\u7ba1\u7406\u3067\u306e\u6d3b\u7528<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u30ab\u30b9\u30bf\u30e0\u30e1\u30e2\u30ea\u30a2\u30ed\u30b1\u30fc\u30bf\u306e\u4f8b\nclass CustomAllocator {\npublic:\n    void* allocate(size_t size) {\n        void* ptr = std::malloc(size);\n        if (!ptr) throw std::bad_alloc();\n        return ptr;\n    }\n\n    void deallocate(void* ptr) {\n        std::free(ptr);\n    }\n};<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>\u30d7\u30e9\u30b0\u30a4\u30f3\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3067\u306e\u4f7f\u7528<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u30d7\u30e9\u30b0\u30a4\u30f3\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u4f8b\nclass Plugin {\npublic:\n    virtual void* createInstance() = 0;\n    virtual void destroyInstance(void* instance) = 0;\n};\n\nclass ConcretePlugin : public Plugin {\npublic:\n    void* createInstance() override {\n        return new MyClass();  \/\/ MyClass\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092void*\u3068\u3057\u3066\u8fd4\u3059\n    }\n\n    void destroyInstance(void* instance) override {\n        delete static_cast&lt;MyClass*&gt;(instance);\n    }\n};<\/pre>\n\n\n\n<p>\u5b9f\u8df5\u7684\u306a\u30d2\u30f3\u30c8\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>void\u95a2\u6570\u306e\u8a2d\u8a08<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u95a2\u6570\u306e\u526f\u4f5c\u7528\u3092\u660e\u78ba\u306b\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u5316\u3059\u308b<\/li>\n\n\n\n<li>\u4f8b\u5916\u51e6\u7406\u3092\u9069\u5207\u306b\u5b9f\u88c5\u3059\u308b<\/li>\n\n\n\n<li>\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u30a8\u30e9\u30fc\u72b6\u614b\u3092\u4f1d\u3048\u308b\u65b9\u6cd5\u3092\u63d0\u4f9b\u3059\u308b<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>void*\u306e\u4f7f\u7528\u306b\u95a2\u3059\u308b\u6ce8\u610f\u70b9<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u578b\u5b89\u5168\u6027\u304c\u5931\u308f\u308c\u308b\u305f\u3081\u3001\u5fc5\u8981\u306a\u5834\u5408\u306e\u307f\u4f7f\u7528<\/li>\n\n\n\n<li>\u30ad\u30e3\u30b9\u30c8\u6642\u306f\u5fc5\u305astatic_cast\u3092\u4f7f\u7528<\/li>\n\n\n\n<li>\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u304c\u4f7f\u7528\u3067\u304d\u308b\u5834\u5408\u306f\u3001\u305d\u308c\u3092\u512a\u5148\u3059\u308b<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u8003\u616e<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>void\u95a2\u6570\u3067\u3082\u3001\u30b3\u30f3\u30d1\u30a4\u30e9\u306e\u6700\u9069\u5316\u306f\u6709\u52b9<\/li>\n\n\n\n<li>void*\u306e\u30ad\u30e3\u30b9\u30c8\u306b\u306f\u308f\u305a\u304b\u306a\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u304c\u767a\u751f<\/li>\n\n\n\n<li>\u983b\u7e41\u306a\u30ad\u30e3\u30b9\u30c8\u304c\u5fc5\u8981\u306a\u5834\u5408\u306f\u3001\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u306e\u4f7f\u7528\u3092\u691c\u8a0e<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u4f7f\u7528\u30d1\u30bf\u30fc\u30f3\u3092\u7406\u89e3\u3057\u3001\u9069\u5207\u306b\u4f7f\u3044\u5206\u3051\u308b\u3053\u3068\u3067\u3001\u3088\u308a\u5805\u7262\u3067\u4fdd\u5b88\u6027\u306e\u9ad8\u3044\u30b3\u30fc\u30c9\u3092\u66f8\u304f\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-7\">\u3088\u304f\u3042\u308bvoid\u95a2\u9023\u306e\u30a8\u30e9\u30fc\u3068\u89e3\u6c7a\u6cd5<\/h2>\n\n\n\n<p>C++\u3067void\u3092\u4f7f\u7528\u3059\u308b\u969b\u306b\u906d\u9047\u3059\u308b\u53ef\u80fd\u6027\u306e\u3042\u308b\u4e00\u822c\u7684\u306a\u30a8\u30e9\u30fc\u3068\u305d\u306e\u89e3\u6c7a\u65b9\u6cd5\u306b\u3064\u3044\u3066\u3001\u5177\u4f53\u7684\u306b\u89e3\u8aac\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-8\">\u300cvoid value not ignored as it ought to be\u300d\u306e\u610f\u5473\u3068\u5bfe\u51e6\u6cd5<\/h3>\n\n\n\n<p>\u3053\u306e\u30a8\u30e9\u30fc\u306f\u3001void\u578b\u306e\u95a2\u6570\u306e\u623b\u308a\u5024\u3092\u4f7f\u7528\u3057\u3088\u3046\u3068\u3057\u305f\u969b\u306b\u767a\u751f\u3059\u308b\u4e00\u822c\u7684\u306a\u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc\u3067\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3059\u308b\u5178\u578b\u7684\u306a\u30b1\u30fc\u30b9<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u30a8\u30e9\u30fc\u306e\u4f8b\nvoid printMessage() {\n    std::cout &lt;&lt; \"Hello\" &lt;&lt; std::endl;\n}\n\nint main() {\n    int x = printMessage();  \/\/ \u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc\n    if (printMessage()) {}   \/\/ \u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc\n    return 0;\n}<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u6b63\u3057\u3044\u4fee\u6b63\u65b9\u6cd5<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u6b63\u3057\u3044\u4f7f\u7528\u65b9\u6cd5\nvoid printMessage() {\n    std::cout &lt;&lt; \"Hello\" &lt;&lt; std::endl;\n}\n\nint main() {\n    printMessage();  \/\/ \u5358\u72ec\u3067\u547c\u3073\u51fa\u3059\n\n    \/\/ \u6761\u4ef6\u5206\u5c90\u304c\u5fc5\u8981\u306a\u5834\u5408\u306f\u3001\u5225\u306e\u65b9\u6cd5\u3092\u4f7f\u7528\n    bool success = true;\n    printMessage();\n    if (success) {\n        \/\/ \u51e6\u7406\n    }\n    return 0;\n}<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>\u95a2\u9023\u3059\u308b\u4e00\u822c\u7684\u306a\u9593\u9055\u3044<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u3088\u304f\u3042\u308b\u9593\u9055\u3044\u30d1\u30bf\u30fc\u30f3\nclass Logger {\n    void log(const std::string&amp; message);  \/\/ \u30e1\u30f3\u30d0\u95a2\u6570\u306e\u5ba3\u8a00\npublic:\n    bool hasError() {\n        return log(\"checking\");  \/\/ \u30a8\u30e9\u30fc: void\u5024\u3092\u8fd4\u305d\u3046\u3068\u3057\u3066\u3044\u308b\n    }\n};\n\n\/\/ \u6b63\u3057\u3044\u5b9f\u88c5\nclass Logger {\n    void log(const std::string&amp; message);\npublic:\n    bool hasError() {\n        log(\"checking\");\n        return checkErrorState();  \/\/ \u5225\u306e\u65b9\u6cd5\u3067\u30a8\u30e9\u30fc\u72b6\u614b\u3092\u78ba\u8a8d\n    }\n};<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-9\">void\u30dd\u30a4\u30f3\u30bf\u306e\u30ad\u30e3\u30b9\u30c8\u6642\u306b\u767a\u751f\u3059\u308b\u554f\u984c\u306e\u89e3\u6c7a\u65b9\u6cd5<\/h3>\n\n\n\n<p>void*\u306b\u95a2\u9023\u3059\u308b\u554f\u984c\u306f\u4e3b\u306b\u30ad\u30e3\u30b9\u30c8\u306e\u969b\u306b\u767a\u751f\u3057\u307e\u3059\u3002\u4ee5\u4e0b\u306b\u4e3b\u306a\u554f\u984c\u3068\u305d\u306e\u89e3\u6c7a\u65b9\u6cd5\u3092\u793a\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u4e0d\u9069\u5207\u306a\u30ad\u30e3\u30b9\u30c8\u306b\u3088\u308b\u554f\u984c<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u5371\u967a\u306a\u30ad\u30e3\u30b9\u30c8\u306e\u4f8b\nvoid* ptr = malloc(sizeof(int));\nint value = (int)ptr;  \/\/ \u6df1\u523b\u306a\u554f\u984c: \u30dd\u30a4\u30f3\u30bf\u3092\u6574\u6570\u306b\u5909\u63db\u3057\u3066\u3044\u308b\n\n\/\/ \u6b63\u3057\u3044\u30ad\u30e3\u30b9\u30c8\nvoid* ptr = malloc(sizeof(int));\nint* intPtr = static_cast&lt;int*&gt;(ptr);\n*intPtr = 42;  \/\/ \u5b89\u5168\u306b\u5024\u3092\u4ee3\u5165<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u30a2\u30e9\u30a4\u30e1\u30f3\u30c8\u9055\u53cd\u306e\u554f\u984c<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u554f\u984c\u306e\u3042\u308b\u30b3\u30fc\u30c9\nstruct alignas(8) AlignedStruct {\n    double value;\n};\n\nvoid* memory = malloc(sizeof(AlignedStruct));\nAlignedStruct* obj = new(memory) AlignedStruct();  \/\/ \u30a2\u30e9\u30a4\u30e1\u30f3\u30c8\u9055\u53cd\u306e\u53ef\u80fd\u6027\n\n\/\/ \u6b63\u3057\u3044\u5b9f\u88c5\nvoid* memory = std::aligned_alloc(8, sizeof(AlignedStruct));\nAlignedStruct* obj = new(memory) AlignedStruct();  \/\/ \u30a2\u30e9\u30a4\u30e1\u30f3\u30c8\u304c\u4fdd\u8a3c\u3055\u308c\u308b<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>\u578b\u5b89\u5168\u6027\u306e\u55aa\u5931\u306b\u3088\u308b\u554f\u984c<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u5371\u967a\u306a\u30b3\u30fc\u30c9\u4f8b\nvoid* data = new int(42);\ndouble* doublePtr = static_cast&lt;double*&gt;(data);  \/\/ \u578b\u5909\u63db\u306f\u6210\u529f\u3059\u308b\u304c\u3001\u672a\u5b9a\u7fa9\u52d5\u4f5c\n\n\/\/ \u5b89\u5168\u306a\u5b9f\u88c5\u65b9\u6cd5\ntemplate&lt;typename T&gt;\nclass TypeSafeContainer {\n    void* data;\n    std::type_info const&amp; type;\npublic:\n    template&lt;typename U&gt;\n    U* get() {\n        if (typeid(U) == type) {\n            return static_cast&lt;U*&gt;(data);\n        }\n        throw std::bad_cast();\n    }\n};<\/pre>\n\n\n\n<p>\u30a8\u30e9\u30fc\u9632\u6b62\u306e\u305f\u3081\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>void\u95a2\u6570\u306e\u8a2d\u8a08<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u623b\u308a\u5024\u304c\u4e0d\u8981\u306a\u5834\u5408\u306e\u307fvoid\u3092\u4f7f\u7528<\/li>\n\n\n\n<li>\u30a8\u30e9\u30fc\u72b6\u614b\u306f\u4f8b\u5916\u304b\u5225\u306e\u30e1\u30ab\u30cb\u30ba\u30e0\u3067\u901a\u77e5<\/li>\n\n\n\n<li>\u95a2\u6570\u306e\u76ee\u7684\u3092\u660e\u78ba\u306b\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u5316<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>void*\u306e\u4f7f\u7528<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u53ef\u80fd\u306a\u9650\u308a\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u3092\u512a\u5148<\/li>\n\n\n\n<li>\u30ad\u30e3\u30b9\u30c8\u6642\u306f\u5fc5\u305astatic_cast\u3092\u4f7f\u7528<\/li>\n\n\n\n<li>\u30e1\u30e2\u30ea\u30a2\u30e9\u30a4\u30e1\u30f3\u30c8\u306b\u6ce8\u610f<\/li>\n\n\n\n<li>\u578b\u60c5\u5831\u306e\u8ffd\u8de1\u3092\u5fd8\u308c\u306a\u3044<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30c7\u30d0\u30c3\u30b0\u306e\u30d2\u30f3\u30c8<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30a2\u30c9\u30ec\u30b9\u30b5\u30cb\u30bf\u30a4\u30b6\u30fc\u3092\u6d3b\u7528<\/li>\n\n\n\n<li>\u30e1\u30e2\u30ea\u30ea\u30fc\u30af\u30c1\u30a7\u30c3\u30ab\u30fc\u3092\u4f7f\u7528<\/li>\n\n\n\n<li>\u9759\u7684\u89e3\u6790\u30c4\u30fc\u30eb\u3067\u30b3\u30fc\u30c9\u3092\u30c1\u30a7\u30c3\u30af<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u30a8\u30e9\u30fc\u30d1\u30bf\u30fc\u30f3\u3068\u89e3\u6c7a\u65b9\u6cd5\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u3067\u3001void\u306b\u95a2\u9023\u3059\u308b\u554f\u984c\u3092\u52b9\u679c\u7684\u306b\u9632\u304e\u3001\u89e3\u6c7a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-10\">void\u3092\u4f7f\u7528\u3059\u308b\u969b\u306e\u5b9f\u8df5\u7684\u306a\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/h2>\n\n\n\n<p>void\u3092\u52b9\u679c\u7684\u306b\u6d3b\u7528\u3057\u3001\u9ad8\u54c1\u8cea\u306a\u30b3\u30fc\u30c9\u3092\u66f8\u304f\u305f\u3081\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u306b\u3064\u3044\u3066\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u53ef\u8aad\u6027\u306e\u4e21\u9762\u304b\u3089\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-11\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u8003\u616e\u3057\u305fvoid\u306e\u4f7f\u7528\u65b9\u6cd5<\/h3>\n\n\n\n<p>void\u306e\u4f7f\u7528\u304c\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u4e0e\u3048\u308b\u5f71\u97ff\u3068\u3001\u6700\u9069\u5316\u306e\u30c6\u30af\u30cb\u30c3\u30af\u3092\u898b\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u95a2\u6570\u306e\u30a4\u30f3\u30e9\u30a4\u30f3\u5316\u306e\u6700\u9069\u5316<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u8003\u616e\u3057\u305fvoid\u95a2\u6570\u306e\u4f8b\nclass DataProcessor {\npublic:\n    \/\/ \u983b\u7e41\u306b\u547c\u3073\u51fa\u3055\u308c\u308b\u5c0f\u3055\u306a\u95a2\u6570\u306finline\u3092\u691c\u8a0e\n    inline void reset() {\n        currentIndex = 0;\n        isProcessing = false;\n    }\n\n    \/\/ \u5927\u304d\u306a\u95a2\u6570\u306finline\u3092\u907f\u3051\u308b\n    void processData() {\n        \/\/ \u8907\u96d1\u306a\u51e6\u7406\n    }\n\nprivate:\n    int currentIndex = 0;\n    bool isProcessing = false;\n};<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>void*\u306e\u52b9\u7387\u7684\u306a\u4f7f\u7528<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u30e1\u30e2\u30ea\u30d7\u30fc\u30eb\u306e\u5b9f\u88c5\u4f8b\nclass MemoryPool {\npublic:\n    \/\/ \u30a2\u30e9\u30a4\u30e1\u30f3\u30c8\u3092\u8003\u616e\u3057\u305f\u30e1\u30e2\u30ea\u78ba\u4fdd\n    void* allocate(size_t size, size_t alignment = alignof(std::max_align_t)) {\n        void* ptr = std::aligned_alloc(alignment, size);\n        allocatedBlocks.push_back(ptr);\n        return ptr;\n    }\n\n    \/\/ \u4e00\u62ec\u89e3\u653e\u306b\u3088\u308b\u52b9\u7387\u5316\n    void releaseAll() {\n        for (void* ptr : allocatedBlocks) {\n            std::free(ptr);\n        }\n        allocatedBlocks.clear();\n    }\n\nprivate:\n    std::vector&lt;void*&gt; allocatedBlocks;\n};<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-12\">\u53ef\u8aad\u6027\u306e\u9ad8\u3044\u30b3\u30fc\u30c9\u3092\u66f8\u304f\u305f\u3081\u306evoid\u306e\u6d3b\u7528\u30c6\u30af\u30cb\u30c3\u30af<\/h3>\n\n\n\n<p>\u30b3\u30fc\u30c9\u306e\u53ef\u8aad\u6027\u3068\u4fdd\u5b88\u6027\u3092\u5411\u4e0a\u3055\u305b\u308b\u305f\u3081\u306evoid\u306e\u4f7f\u7528\u65b9\u6cd5\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u610f\u56f3\u3092\u660e\u78ba\u306b\u4f1d\u3048\u308b\u547d\u540d\u898f\u5247<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class UserManager {\npublic:\n    \/\/ \u52d5\u8a5e\u3067\u59cb\u307e\u308b\u540d\u524d\u3067\u52d5\u4f5c\u3092\u660e\u78ba\u306b\n    void initializeUser(const std::string&amp; username) {\n        \/\/ \u521d\u671f\u5316\u51e6\u7406\n    }\n\n    \/\/ \u72b6\u614b\u5909\u66f4\u3092\u793a\u3059\u660e\u78ba\u306a\u540d\u524d\n    void markUserAsActive() {\n        isActive = true;\n    }\n\n    \/\/ \u526f\u4f5c\u7528\u3092\u793a\u5506\u3059\u308b\u540d\u524d\n    void logUserActivity(const std::string&amp; activity) {\n        \/\/ \u30ed\u30b0\u8a18\u9332\u51e6\u7406\n    }\n\nprivate:\n    bool isActive = false;\n};<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u30a8\u30e9\u30fc\u51e6\u7406\u30d1\u30bf\u30fc\u30f3<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class FileHandler {\npublic:\n    \/\/ \u4f8b\u5916\u3092\u4f7f\u7528\u3057\u305f\u30a8\u30e9\u30fc\u51e6\u7406\n    void writeData(const std::vector&lt;char&gt;&amp; data) {\n        if (!isOpen) {\n            throw std::runtime_error(\"File not open\");\n        }\n        \/\/ \u30c7\u30fc\u30bf\u66f8\u304d\u8fbc\u307f\u51e6\u7406\n    }\n\n    \/\/ \u72b6\u614b\u78ba\u8a8d\u7528\u306e\u88dc\u52a9\u95a2\u6570\n    [[nodiscard]] bool isFileOpen() const {\n        return isOpen;\n    }\n\nprivate:\n    bool isOpen = false;\n};<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u8a2d\u8a08<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u660e\u78ba\u306a\u8cac\u4efb\u3092\u6301\u3064\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\nclass ILogger {\npublic:\n    virtual void logInfo(const std::string&amp; message) = 0;\n    virtual void logError(const std::string&amp; error) = 0;\n    virtual void logWarning(const std::string&amp; warning) = 0;\n    virtual ~ILogger() = default;\n};\n\n\/\/ \u5b9f\u88c5\u4f8b\nclass ConsoleLogger : public ILogger {\npublic:\n    void logInfo(const std::string&amp; message) override {\n        std::cout &lt;&lt; \"[INFO] \" &lt;&lt; message &lt;&lt; std::endl;\n    }\n\n    void logError(const std::string&amp; error) override {\n        std::cerr &lt;&lt; \"[ERROR] \" &lt;&lt; error &lt;&lt; std::endl;\n    }\n\n    void logWarning(const std::string&amp; warning) override {\n        std::cout &lt;&lt; \"[WARNING] \" &lt;&lt; warning &lt;&lt; std::endl;\n    }\n};<\/pre>\n\n\n\n<p>\u5b9f\u8df5\u7684\u306a\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5c0f\u3055\u306avoid\u95a2\u6570\u306finline\u5316\u3092\u691c\u8a0e<\/li>\n\n\n\n<li>void*\u306e\u4f7f\u7528\u306f\u5fc5\u8981\u6700\u5c0f\u9650\u306b<\/li>\n\n\n\n<li>\u30e1\u30e2\u30ea\u30a2\u30e9\u30a4\u30e1\u30f3\u30c8\u3092\u610f\u8b58<\/li>\n\n\n\n<li>\u4e0d\u5fc5\u8981\u306a\u30b3\u30d4\u30fc\u3092\u907f\u3051\u308b<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30b3\u30fc\u30c9\u53ef\u8aad\u6027<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u95a2\u6570\u540d\u306f\u52d5\u4f5c\u3092\u660e\u78ba\u306b\u793a\u3059<\/li>\n\n\n\n<li>\u30b3\u30e1\u30f3\u30c8\u3067\u526f\u4f5c\u7528\u3092\u8aac\u660e<\/li>\n\n\n\n<li>\u4e00\u8cab\u3057\u305f\u547d\u540d\u898f\u5247\u306e\u4f7f\u7528<\/li>\n\n\n\n<li>\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306f\u6700\u5c0f\u9650\u306b\u4fdd\u3064<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30c1\u30fc\u30e0\u958b\u767a\u3067\u306e\u898f\u7d04<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>void\u306e\u4f7f\u7528\u57fa\u6e96\u3092\u660e\u78ba\u306b<\/li>\n\n\n\n<li>\u30b3\u30fc\u30c9\u30ec\u30d3\u30e5\u30fc\u30dd\u30a4\u30f3\u30c8\u306e\u8a2d\u5b9a<\/li>\n\n\n\n<li>\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u5316\u306e\u5fb9\u5e95<\/li>\n\n\n\n<li>\u9759\u7684\u89e3\u6790\u30c4\u30fc\u30eb\u306e\u6d3b\u7528<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3092\u9069\u5207\u306b\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u4fdd\u5b88\u6027\u304c\u9ad8\u304f\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u826f\u3044\u30b3\u30fc\u30c9\u3092\u66f8\u304f\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-13\">\u4ed6\u306e\u8a00\u8a9e\u3068\u306e\u9055\u3044\u304b\u3089\u5b66\u3076void\u306e\u7279\u5fb4<\/h2>\n\n\n\n<p>C++\u306evoid\u306e\u7279\u5fb4\u3092\u3088\u308a\u6df1\u304f\u7406\u89e3\u3059\u308b\u305f\u3081\u3001\u4ed6\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u3068\u306e\u6bd4\u8f03\u3092\u884c\u3044\u3001\u30e2\u30c0\u30f3C++\u3067\u306e\u65b0\u3057\u3044\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-14\">Java\u3084TypeScript\u3068\u306e\u6bd4\u8f03\u3067\u7406\u89e3\u3059\u308bvoid\u306e\u7279\u6027<\/h3>\n\n\n\n<p>\u4e3b\u8981\u306a\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u306b\u304a\u3051\u308bvoid\u306e\u6271\u3044\u306e\u9055\u3044\u3092\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Java \u3068\u306e\u6bd4\u8f03<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ C++\u3067\u306e\u5b9f\u88c5\nvoid processData() {\n    \/\/ \u51e6\u7406\n}\n\nvoid* genericPtr = nullptr;  \/\/ \u6c4e\u7528\u30dd\u30a4\u30f3\u30bf<\/pre>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ Java\u3067\u306e\u5b9f\u88c5\nvoid processData() {\n    \/\/ \u51e6\u7406\n}\n\nObject genericRef = null;  \/\/ \u6c4e\u7528\u53c2\u7167\u578b\n\/\/ Java\u3067\u306fvoid*\u306b\u76f8\u5f53\u3059\u308b\u6982\u5ff5\u306f\u306a\u3044<\/pre>\n\n\n\n<p>\u4e3b\u306a\u9055\u3044\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Java\u3067\u306fvoid\u30dd\u30a4\u30f3\u30bf\u306e\u6982\u5ff5\u304c\u306a\u3044<\/li>\n\n\n\n<li>Java\u306evoid\u306f\u623b\u308a\u5024\u306e\u578b\u3068\u3057\u3066\u306e\u307f\u4f7f\u7528\u53ef\u80fd<\/li>\n\n\n\n<li>Java\u3067\u306f<code>Object<\/code>\u304c\u6c4e\u7528\u578b\u3068\u3057\u3066\u4f7f\u7528\u3055\u308c\u308b<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>TypeScript\u3068\u306e\u6bd4\u8f03<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ TypeScript\u3067\u306e\u5b9f\u88c5\nfunction processData(): void {\n    \/\/ \u51e6\u7406\n}\n\ntype VoidFunction = () =&gt; void;<\/pre>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ C++\u3067\u306e\u76f8\u5f53\u3059\u308b\u5b9f\u88c5\nvoid processData() {\n    \/\/ \u51e6\u7406\n}\n\nusing VoidFunction = std::function&lt;void()&gt;;<\/pre>\n\n\n\n<p>\u7279\u5fb4\u7684\u306a\u9055\u3044\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>TypeScript\u3067\u306fvoid\u304c\u578b\u30b7\u30b9\u30c6\u30e0\u306e\u4e00\u90e8\u3068\u3057\u3066\u6271\u308f\u308c\u308b<\/li>\n\n\n\n<li>\u95a2\u6570\u578b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3067\u306e\u53d6\u308a\u6271\u3044\u304c\u7570\u306a\u308b<\/li>\n\n\n\n<li>TypeScript\u3067\u306fundefined\u3068\u306e\u95a2\u4fc2\u304c\u91cd\u8981<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-15\">\u30e2\u30c0\u30f3C++\u3067\u306e\u65b0\u3057\u3044void\u306e\u4f7f\u308f\u308c\u65b9<\/h3>\n\n\n\n<p>C++17\u4ee5\u964d\u3067\u5c0e\u5165\u3055\u308c\u305f\u65b0\u6a5f\u80fd\u3068void\u306e\u95a2\u4fc2\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u69cb\u9020\u5316\u675f\u7e1b\u3068\u306e\u95a2\u4fc2<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u30e2\u30c0\u30f3C++\u3067\u306e\u4f7f\u7528\u4f8b\nclass DataProcessor {\n    std::tuple&lt;void*, size_t&gt; getMemoryBlock() {\n        void* ptr = std::malloc(1024);\n        return {ptr, 1024};\n    }\n\npublic:\n    void processData() {\n        auto [ptr, size] = getMemoryBlock();  \/\/ \u69cb\u9020\u5316\u675f\u7e1b\n        \/\/ ptr\u306fvoid*\u578b\u3068\u3057\u3066\u63a8\u8ad6\u3055\u308c\u308b\n\n        std::free(ptr);\n    }\n};<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u30e9\u30e0\u30c0\u5f0f\u3067\u306e\u6d3b\u7528<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u30e2\u30c0\u30f3C++\u3067\u306e\u30e9\u30e0\u30c0\u5f0f\u4f7f\u7528\u4f8b\nclass EventHandler {\npublic:\n    void registerCallback(std::function&lt;void()&gt; callback) {\n        callbacks.push_back(callback);\n    }\n\n    void notify() {\n        for (const auto&amp; callback : callbacks) {\n            callback();\n        }\n    }\n\nprivate:\n    std::vector&lt;std::function&lt;void()&gt;&gt; callbacks;\n};\n\n\/\/ \u4f7f\u7528\u4f8b\nEventHandler handler;\nhandler.registerCallback([]() -&gt; void {\n    std::cout &lt;&lt; \"Event occurred!\" &lt;&lt; std::endl;\n});<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>\u30b3\u30f3\u30bb\u30d7\u30c8\u3068void<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ C++20\u306e\u30b3\u30f3\u30bb\u30d7\u30c8\u3092\u4f7f\u7528\u3057\u305f\u4f8b\n#include &lt;concepts&gt;\n\ntemplate&lt;typename T&gt;\nconcept HasVoidProcess = requires(T t) {\n    { t.process() } -&gt; std::same_as&lt;void&gt;;\n};\n\ntemplate&lt;HasVoidProcess T&gt;\nclass ProcessWrapper {\npublic:\n    void executeProcess(T&amp; processor) {\n        processor.process();  \/\/ void\u3092\u8fd4\u3059process()\u306e\u5b58\u5728\u304c\u4fdd\u8a3c\u3055\u308c\u308b\n    }\n};<\/pre>\n\n\n\n<p>\u5b9f\u8df5\u7684\u306a\u79fb\u884c\u306e\u30d2\u30f3\u30c8\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u4ed6\u8a00\u8a9e\u304b\u3089C++\u3078\u306e\u79fb\u884c\u6642\u306e\u6ce8\u610f\u70b9<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>void*\u306e\u9069\u5207\u306a\u4f7f\u7528<\/li>\n\n\n\n<li>\u4f8b\u5916\u51e6\u7406\u3068\u306e\u7d44\u307f\u5408\u308f\u305b<\/li>\n\n\n\n<li>\u30e1\u30e2\u30ea\u7ba1\u7406\u306e\u9055\u3044\u3078\u306e\u5bfe\u5fdc<\/li>\n\n\n\n<li>\u578b\u5b89\u5168\u6027\u306e\u78ba\u4fdd<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30e2\u30c0\u30f3C++\u3067\u306e\u63a8\u5968\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>std::function<\/code>\u306e\u6d3b\u7528<\/li>\n\n\n\n<li>\u30e9\u30e0\u30c0\u5f0f\u3068\u306e\u7d44\u307f\u5408\u308f\u305b<\/li>\n\n\n\n<li>\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u306e\u6d3b\u7528<\/li>\n\n\n\n<li>\u30b3\u30f3\u30bb\u30d7\u30c8\u306b\u3088\u308b\u5236\u7d04\u306e\u6d3b\u7528<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u5c06\u6765\u306e\u767a\u5c55\u3068\u4e92\u63db\u6027<\/strong><\/li>\n<\/ol>\n\n\n\n<ul 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