{"id":2065,"date":"2025-03-24T08:48:25","date_gmt":"2025-03-23T23:48:25","guid":{"rendered":"https:\/\/dexall.co.jp\/articles\/?p=2065"},"modified":"2025-03-24T08:48:50","modified_gmt":"2025-03-23T23:48:50","slug":"c%e9%96%a2%e6%95%b0%e3%83%9d%e3%82%a4%e3%83%b3%e3%82%bf%e5%ae%8c%e5%85%a8%e3%83%9e%e3%82%b9%e3%82%bf%e3%83%bc%ef%bc%9a%e5%ae%9f%e8%b7%b5%e3%81%a7%e4%bd%bf%e3%81%88%e3%82%8b7%e3%81%a4%e3%81%ae","status":"publish","type":"post","link":"https:\/\/dexall.co.jp\/articles\/?p=2065","title":{"rendered":"C++\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u5b8c\u5168\u30de\u30b9\u30bf\u30fc\uff1a\u5b9f\u8df5\u3067\u4f7f\u3048\u308b7\u3064\u306e\u6838\u5fc3\u30c6\u30af\u30cb\u30c3\u30af"},"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\">\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u3068\u306f\uff1f\u521d\u5fc3\u8005\u3067\u3082\u308f\u304b\u308b\u57fa\u790e\u6982\u5ff5<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-1\">\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u304c\u751f\u307e\u308c\u305f\u80cc\u666f\u3068\u91cd\u8981\u6027<\/a>      <\/li>      <li>        <a href=\"#i-2\">\u901a\u5e38\u306e\u95a2\u6570\u3068\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u306e\u9055\u3044\u3092\u56f3\u89e3\u3067\u7406\u89e3\u3059\u308b<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-5\">\u91cd\u8981\u306a\u6982\u5ff5\u306e\u307e\u3068\u3081<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-6\">\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u306e\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\u3092\u30de\u30b9\u30bf\u30fc\u3057\u3088\u3046<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-7\">\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u306e\u6b63\u3057\u3044\u5ba3\u8a00\u65b9\u6cd5<\/a>      <\/li>      <li>        <a href=\"#i-9\">\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u3078\u306e\u4ee3\u5165\u3068\u547c\u3073\u51fa\u3057\u65b9<\/a>      <\/li>      <li>        <a href=\"#i-10\">\u3088\u304f\u3042\u308b\u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc\u3068\u89e3\u6c7a\u65b9\u6cd5<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-12\">\u5b9f\u88c5\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-13\">\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u3092\u4f7f\u3044\u3053\u306a\u3059\u305f\u3081\u306e7\u3064\u306e\u6838\u5fc3\u30c6\u30af\u30cb\u30c3\u30af<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-14\">\u914d\u5217\u306e\u8981\u7d20\u3068\u3057\u3066\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u3092\u4f7f\u3046<\/a>      <\/li>      <li>        <a href=\"#i-15\">\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u95a2\u6570\u3067\u306e\u6d3b\u7528\u65b9\u6cd5<\/a>      <\/li>      <li>        <a href=\"#i-16\">\u30e1\u30f3\u30d0\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u306e\u4f7f\u3044\u65b9<\/a>      <\/li>      <li>        <a href=\"#i-17\">\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u3068\u578b\u30a8\u30a4\u30ea\u30a2\u30b9\u306e\u7d44\u307f\u5408\u308f\u305b<\/a>      <\/li>      <li>        <a href=\"#i-18\">std::function\u3068\u306e\u4f7f\u3044\u5206\u3051<\/a>      <\/li>      <li>        <a href=\"#i-19\">\u30e9\u30e0\u30c0\u5f0f\u3068\u306e\u9023\u643a\u30c6\u30af\u30cb\u30c3\u30af<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-20\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u8003\u616e\u3057\u305f\u6700\u9069\u306a\u4f7f\u7528\u65b9\u6cd5<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-21\">\u73fe\u5834\u3067\u4f7f\u3048\u308b\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u306e\u5b9f\u8df5\u7684\u306a\u6d3b\u7528\u4f8b<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-22\">\u30d7\u30e9\u30b0\u30a4\u30f3\u6a5f\u69cb\u306e\u5b9f\u88c5\u4f8b<\/a>      <\/li>      <li>        <a href=\"#i-23\">\u30a4\u30d9\u30f3\u30c8\u99c6\u52d5\u578b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3067\u306e\u6d3b\u7528\u4f8b<\/a>      <\/li>      <li>        <a href=\"#i-24\">\u72b6\u614b\u30d1\u30bf\u30fc\u30f3\u3067\u306e\u653b\u7565\u30c6\u30af\u30cb\u30c3\u30af<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-25\">\u5b9f\u88c5\u6642\u306e\u91cd\u8981\u30dd\u30a4\u30f3\u30c8<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-26\">\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u306e\u30c7\u30d0\u30c3\u30b0\u3068\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-27\">\u30e1\u30e2\u30ea\u30ea\u30fc\u30af\u3092\u9632\u3050\u305f\u3081\u306e\u6ce8\u610f\u70b9<\/a>      <\/li>      <li>        <a href=\"#i-28\">\u30b9\u30ec\u30c3\u30c9\u30bb\u30fc\u30d5\u306a\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u306e\u4f7f\u3044\u65b9<\/a>      <\/li>      <li>        <a href=\"#i-29\">\u30c7\u30d0\u30c3\u30ac\u30fc\u3092\u4f7f\u3063\u305f\u52b9\u7387\u7684\u306a\u30c7\u30d0\u30c3\u30b0\u65b9\u6cd5<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-30\">\u30c7\u30d0\u30c3\u30b0\u3068\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/a>      <\/li>    <\/ul>  <\/li>  <li class=\"last\">    <a href=\"#i-31\">\u30e2\u30c0\u30f3C++\u6642\u4ee3\u306e\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u306e\u5c55\u671b<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-32\">\u95a2\u6570\u30dd\u30a4\u30f3\u30bfvs\u65b0\u3057\u3044\u4ee3\u66ff\u6a5f\u80fd\u306e\u6bd4\u8f03<\/a>      <\/li>      <li>        <a href=\"#i-33\">\u3053\u308c\u304b\u3089\u3082\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u304c\u5fc5\u8981\u306a\u7406\u7531<\/a>      <\/li>      <li>        <a href=\"#i-34\">\u5c06\u6765\u7684\u306a\u5c55\u671b\u3068\u4ee3\u66ff\u624b\u6bb5\u306e\u691c\u8a0e<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-35\">\u5b9f\u88c5\u9078\u629e\u306e\u6307\u91dd<\/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\">\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u3068\u306f\uff1f\u521d\u5fc3\u8005\u3067\u3082\u308f\u304b\u308b\u57fa\u790e\u6982\u5ff5<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-1\">\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u304c\u751f\u307e\u308c\u305f\u80cc\u666f\u3068\u91cd\u8981\u6027<\/h3>\n\n\n\n<p>C++\u306b\u304a\u3051\u308b\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u306f\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u5b9f\u884c\u6642\u306b\u547c\u3073\u51fa\u3059\u95a2\u6570\u3092\u52d5\u7684\u306b\u5207\u308a\u66ff\u3048\u305f\u3044\u3068\u3044\u3046\u9700\u8981\u304b\u3089\u751f\u307e\u308c\u307e\u3057\u305f\u30021980\u5e74\u4ee3\u521d\u982d\u306eC\u8a00\u8a9e\u6642\u4ee3\u304b\u3089\u5b58\u5728\u3059\u308b\u3053\u306e\u6a5f\u80fd\u306f\u3001\u4ee5\u4e0b\u306e\u91cd\u8981\u306a\u5f79\u5272\u3092\u62c5\u3063\u3066\u304d\u307e\u3057\u305f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5b9f\u884c\u6642\u306e\u67d4\u8edf\u6027\u78ba\u4fdd<\/strong>: \u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u5b9f\u884c\u4e2d\u306b\u7570\u306a\u308b\u95a2\u6570\u3092\u547c\u3073\u51fa\u305b\u308b<\/li>\n\n\n\n<li><strong>\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u6a5f\u69cb\u306e\u5b9f\u73fe<\/strong>: \u30a4\u30d9\u30f3\u30c8\u99c6\u52d5\u578b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u57fa\u790e\u3068\u306a\u308b<\/li>\n\n\n\n<li><strong>\u30d7\u30e9\u30b0\u30a4\u30f3\u6a5f\u69cb\u306e\u5b9f\u88c5<\/strong>: \u5b9f\u884c\u6642\u306b\u6a5f\u80fd\u3092\u8ffd\u52a0\u30fb\u5909\u66f4\u3067\u304d\u308b<\/li>\n\n\n\n<li><strong>\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306e\u62bd\u8c61\u5316<\/strong>: \u51e6\u7406\u65b9\u6cd5\u3092\u5b9f\u884c\u6642\u306b\u5207\u308a\u66ff\u3048\u53ef\u80fd<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-2\">\u901a\u5e38\u306e\u95a2\u6570\u3068\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u306e\u9055\u3044\u3092\u56f3\u89e3\u3067\u7406\u89e3\u3059\u308b<\/h3>\n\n\n\n<p>\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u306e\u672c\u8cea\u3092\u7406\u89e3\u3059\u308b\u305f\u3081\u306b\u3001\u307e\u305a\u901a\u5e38\u306e\u95a2\u6570\u547c\u3073\u51fa\u3057\u3068\u306e\u9055\u3044\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\uff1a<\/p>\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=\"\">\/\/ \u901a\u5e38\u306e\u95a2\u6570\u5b9a\u7fa9\nint add(int a, int b) {\n    return a + b;\n}\n\nint main() {\n    \/\/ \u901a\u5e38\u306e\u95a2\u6570\u547c\u3073\u51fa\u3057\n    int result1 = add(5, 3);  \/\/ \u76f4\u63a5\u95a2\u6570\u3092\u547c\u3073\u51fa\u3057\n\n    \/\/ \u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u3092\u4f7f\u7528\u3057\u305f\u547c\u3073\u51fa\u3057\n    int (*func_ptr)(int, int) = add;  \/\/ \u95a2\u6570\u306e\u30a2\u30c9\u30ec\u30b9\u3092\u4fdd\u6301\n    int result2 = func_ptr(5, 3);     \/\/ \u30dd\u30a4\u30f3\u30bf\u7d4c\u7531\u3067\u95a2\u6570\u3092\u547c\u3073\u51fa\u3057\n}<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-3\">\u30e1\u30e2\u30ea\u4e0a\u3067\u306e\u9055\u3044<\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u901a\u5e38\u306e\u95a2\u6570\u547c\u3073\u51fa\u3057<\/strong>:<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u306b\u95a2\u6570\u306e\u30a2\u30c9\u30ec\u30b9\u304c\u6c7a\u5b9a<\/li>\n\n\n\n<li>\u76f4\u63a5\u7684\u306a\u30b8\u30e3\u30f3\u30d7\u547d\u4ee4\u3067\u95a2\u6570\u3092\u5b9f\u884c<\/li>\n\n\n\n<li>\u6700\u9069\u5316\u306e\u4f59\u5730\u304c\u5927\u304d\u3044<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u3092\u4f7f\u7528\u3057\u305f\u547c\u3073\u51fa\u3057<\/strong>:<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5b9f\u884c\u6642\u306b\u547c\u3073\u51fa\u3059\u95a2\u6570\u306e\u30a2\u30c9\u30ec\u30b9\u3092\u6c7a\u5b9a<\/li>\n\n\n\n<li>\u30dd\u30a4\u30f3\u30bf\u3092\u4ecb\u3057\u3066\u9593\u63a5\u7684\u306b\u95a2\u6570\u3092\u5b9f\u884c<\/li>\n\n\n\n<li>\u82e5\u5e72\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u304c\u767a\u751f<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-4\">\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u306e\u30e1\u30ea\u30c3\u30c8<\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u52d5\u7684\u306a\u632f\u308b\u821e\u3044\u306e\u5b9f\u73fe<\/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=\"\">   \/\/ \u8a08\u7b97\u65b9\u6cd5\u3092\u5b9f\u884c\u6642\u306b\u5207\u308a\u66ff\u3048\u53ef\u80fd\n   int (*operation)(int, int);\n   if (user_choice == \"add\") {\n       operation = add;\n   } else {\n       operation = multiply;\n   }\n   int result = operation(5, 3);  \/\/ \u9078\u629e\u3055\u308c\u305f\u6f14\u7b97\u3092\u5b9f\u884c<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u95a2\u6570\u306e\u5b9f\u88c5<\/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 process_data(int* data, int size, int (*processor)(int)) {\n       for(int i = 0; i &lt; size; i++) {\n           data[i] = processor(data[i]);  \/\/ \u4efb\u610f\u306e\u51e6\u7406\u3092\u9069\u7528\n       }\n   }<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>\u95a2\u6570\u30c6\u30fc\u30d6\u30eb\u306e\u4f5c\u6210<\/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=\"\">   \/\/ \u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u306e\u914d\u5217\n   int (*operations[])(int, int) = {add, subtract, multiply, divide};\n   int result = operations[user_choice](5, 3);  \/\/ \u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3067\u95a2\u6570\u3092\u9078\u629e<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-5\">\u91cd\u8981\u306a\u6982\u5ff5\u306e\u307e\u3068\u3081<\/h3>\n\n\n\n<p>\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u3092\u7406\u89e3\u3059\u308b\u4e0a\u3067\u62bc\u3055\u3048\u308b\u3079\u304d\u91cd\u8981\u306a\u30dd\u30a4\u30f3\u30c8\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u306e\u672c\u8cea<\/strong>:<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u95a2\u6570\u306e\u30e1\u30e2\u30ea\u30a2\u30c9\u30ec\u30b9\u3092\u4fdd\u6301\u3059\u308b\u5909\u6570<\/li>\n\n\n\n<li>\u578b\u5b89\u5168\u6027\u304c\u4fdd\u8a3c\u3055\u308c\u308b\uff08\u5f15\u6570\u3068\u623b\u308a\u5024\u306e\u578b\u304c\u4e00\u81f4\u5fc5\u8981\uff09<\/li>\n\n\n\n<li>\u5b9f\u884c\u6642\u306e\u67d4\u8edf\u6027\u3092\u63d0\u4f9b<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u4f7f\u7528\u6642\u306e\u6ce8\u610f\u70b9<\/strong>:<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6b63\u3057\u3044\u95a2\u6570\u30b7\u30b0\u30cd\u30c1\u30e3\u306e\u6307\u5b9a\u304c\u5fc5\u8981<\/li>\n\n\n\n<li>null\u30dd\u30a4\u30f3\u30bf\u306e\u30c1\u30a7\u30c3\u30af\u3092\u5fd8\u308c\u306a\u3044<\/li>\n\n\n\n<li>const\u4fee\u98fe\u5b50\u306e\u6271\u3044\u306b\u6ce8\u610f<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u4e3b\u306a\u7528\u9014<\/strong>:<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0<\/li>\n\n\n\n<li>\u30d7\u30e9\u30b0\u30a4\u30f3\u30b7\u30b9\u30c6\u30e0<\/li>\n\n\n\n<li>\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306e\u52d5\u7684\u5207\u308a\u66ff\u3048<\/li>\n\n\n\n<li>\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u6a5f\u69cb\u306e\u5b9f\u88c5<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u306e\u3088\u3046\u306b\u3001\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u306f\u9759\u7684\u306a\u95a2\u6570\u547c\u3073\u51fa\u3057\u306b\u52d5\u7684\u306a\u7279\u6027\u3092\u52a0\u3048\u308b\u5f37\u529b\u306a\u6a5f\u80fd\u3067\u3059\u3002\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u3053\u308c\u3089\u306e\u57fa\u790e\u77e5\u8b58\u3092\u6d3b\u304b\u3057\u305f\u5177\u4f53\u7684\u306a\u5b9f\u88c5\u65b9\u6cd5\u3092\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-6\">\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u306e\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\u3092\u30de\u30b9\u30bf\u30fc\u3057\u3088\u3046<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-7\">\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u306e\u6b63\u3057\u3044\u5ba3\u8a00\u65b9\u6cd5<\/h3>\n\n\n\n<p>\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u306e\u5ba3\u8a00\u306f\u3001\u521d\u898b\u3067\u306f\u5c11\u3057\u8907\u96d1\u306b\u898b\u3048\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u4ee5\u4e0b\u306e\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3067\u9806\u3092\u8ffd\u3063\u3066\u89e3\u8aac\u3057\u3066\u3044\u304d\u307e\u3059\uff1a<\/p>\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=\"\">\/\/ \u57fa\u672c\u5f62\u5f0f\n\u623b\u308a\u5024\u306e\u578b (*\u30dd\u30a4\u30f3\u30bf\u540d)(\u5f15\u6570\u30ea\u30b9\u30c8);\n\n\/\/ \u5177\u4f53\u4f8b\nint (*func_ptr)(int, int);  \/\/ int\u578b\u5f15\u65702\u3064\u3001int\u578b\u3092\u8fd4\u3059\u95a2\u6570\u3078\u306e\u30dd\u30a4\u30f3\u30bf<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-8\">\u3055\u307e\u3056\u307e\u306a\u5ba3\u8a00\u30d1\u30bf\u30fc\u30f3<\/h4>\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=\"\">\/\/ 1. \u5f15\u6570\u306a\u3057\u306e\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\nvoid (*simple_func)();\n\n\/\/ 2. const\u53c2\u7167\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\ndouble (*calc_ptr)(const int&amp;, const double&amp;);\n\n\/\/ 3. \u30af\u30e9\u30b9\u306e\u30e1\u30f3\u30d0\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\nclass MyClass {\npublic:\n    void memberFunc(int x);\n};\nvoid (MyClass::*member_ptr)(int) = &amp;MyClass::memberFunc;\n\n\/\/ 4. using\u5ba3\u8a00\u3092\u4f7f\u3063\u305f\u578b\u30a8\u30a4\u30ea\u30a2\u30b9\uff08\u63a8\u5968\uff09\nusing MathFunc = int (*)(int, int);\nMathFunc operation = nullptr;  \/\/ \u3088\u308a\u8aad\u307f\u3084\u3059\u3044\u5ba3\u8a00<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-9\">\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u3078\u306e\u4ee3\u5165\u3068\u547c\u3073\u51fa\u3057\u65b9<\/h3>\n\n\n\n<p>\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u306e\u4ee3\u5165\u3068\u547c\u3073\u51fa\u3057\u306b\u306f\u3001\u3044\u304f\u3064\u304b\u306e\u91cd\u8981\u306a\u30d1\u30bf\u30fc\u30f3\u304c\u3042\u308a\u307e\u3059\uff1a<\/p>\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=\"\">\/\/ \u30b5\u30f3\u30d7\u30eb\u95a2\u6570\u306e\u5b9a\u7fa9\nint add(int a, int b) { return a + b; }\nint subtract(int a, int b) { return a - b; }\n\nint main() {\n    \/\/ 1. \u57fa\u672c\u7684\u306a\u4ee3\u5165\n    int (*operation)(int, int) = add;  \/\/ \u95a2\u6570\u540d\u3092\u76f4\u63a5\u4ee3\u5165\n\n    \/\/ 2. \u30a2\u30c9\u30ec\u30b9\u6f14\u7b97\u5b50\u3092\u4f7f\u7528\u3057\u305f\u4ee3\u5165\uff08\u540c\u3058\u7d50\u679c\uff09\n    operation = &amp;add;  \/\/ &amp;\u3092\u4f7f\u7528\u3057\u3066\u3082\u540c\u3058\n\n    \/\/ 3. \u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u306e\u547c\u3073\u51fa\u3057\u65b9\u6cd5\n    int result1 = operation(5, 3);      \/\/ \u76f4\u63a5\u547c\u3073\u51fa\u3057\n    int result2 = (*operation)(5, 3);   \/\/ \u30c7\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u6f14\u7b97\u5b50\u3092\u4f7f\u7528\n\n    \/\/ 4. nullptr\u5224\u5b9a\u4ed8\u304d\u306e\u5b89\u5168\u306a\u547c\u3073\u51fa\u3057\n    if (operation != nullptr) {\n        int result3 = operation(5, 3);\n    }\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-10\">\u3088\u304f\u3042\u308b\u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc\u3068\u89e3\u6c7a\u65b9\u6cd5<\/h3>\n\n\n\n<p>\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u3092\u4f7f\u7528\u3059\u308b\u969b\u306b\u3088\u304f\u906d\u9047\u3059\u308b\u30a8\u30e9\u30fc\u3068\u305d\u306e\u89e3\u6c7a\u65b9\u6cd5\u3092\u7d39\u4ecb\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u578b\u306e\u4e0d\u4e00\u81f4\u306b\u3088\u308b\u30a8\u30e9\u30fc<\/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 print_int(int x) { cout &lt;&lt; x &lt;&lt; endl; }\nint (*func_ptr)(int) = print_int;  \/\/ \u30a8\u30e9\u30fc\uff1a\u623b\u308a\u5024\u306e\u578b\u304c\u4e0d\u4e00\u81f4\n\n\/\/ \u89e3\u6c7a\u65b9\u6cd5\nvoid (*correct_ptr)(int) = print_int;  \/\/ \u6b63\u3057\u3044\u578b\u3067\u5ba3\u8a00<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>const\u4fee\u98fe\u5b50\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=\"\">\/\/ \u30a8\u30e9\u30fc\u306e\u4f8b\nvoid process(const int&amp; x) { \/* ... *\/ }\nvoid (*func_ptr)(int&amp;) = process;  \/\/ \u30a8\u30e9\u30fc\uff1aconst\u4fee\u98fe\u5b50\u306e\u4e0d\u4e00\u81f4\n\n\/\/ \u89e3\u6c7a\u65b9\u6cd5\nvoid (*correct_ptr)(const int&amp;) = process;  \/\/ const\u3092\u6b63\u3057\u304f\u6307\u5b9a<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>\u30e1\u30f3\u30d0\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u306e\u8aa4\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=\"\">\/\/ \u30a8\u30e9\u30fc\u306e\u4f8b\nclass MyClass {\n    void method(int x) { \/* ... *\/ }\n};\nvoid (*func_ptr)(int) = &amp;MyClass::method;  \/\/ \u30a8\u30e9\u30fc\uff1a\u30e1\u30f3\u30d0\u95a2\u6570\u306f\u901a\u5e38\u306e\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u306b\u4ee3\u5165\u4e0d\u53ef\n\n\/\/ \u89e3\u6c7a\u65b9\u6cd5\nvoid (MyClass::*correct_ptr)(int) = &amp;MyClass::method;  \/\/ \u6b63\u3057\u3044\u30e1\u30f3\u30d0\u95a2\u6570\u30dd\u30a4\u30f3\u30bf<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-11\">\u30c7\u30d0\u30c3\u30b0\u306e\u305f\u3081\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u578b\u30a8\u30a4\u30ea\u30a2\u30b9\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=\"\">\/\/ \u8907\u96d1\u306a\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u306e\u578b\u3092\u7c21\u6f54\u306b\nusing ErrorHandler = void (*)(const std::string&amp;, int);\nErrorHandler handler = nullptr;<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u521d\u671f\u5316\u6642\u306enullptr\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=\"\">\/\/ \u660e\u793a\u7684\u306a\u521d\u671f\u5316\u3067\u672a\u5b9a\u7fa9\u52d5\u4f5c\u3092\u9632\u3050\nint (*func_ptr)(int) = nullptr;\nif (condition) {\n    func_ptr = some_function;\n}<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>\u95a2\u6570\u30b7\u30b0\u30cd\u30c1\u30e3\u306e\u78ba\u8a8d<\/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\u30e1\u30f3\u30c8\u3067\u671f\u5f85\u3059\u308b\u578b\u3092\u660e\u8a18\n\/\/ Signature: int(int, int)\nint (*operation)(int, int) = nullptr;<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-12\">\u5b9f\u88c5\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u578b\u5b89\u5168\u6027\u306e\u78ba\u4fdd<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u9069\u5207\u306a\u578b\u30a8\u30a4\u30ea\u30a2\u30b9\u306e\u4f7f\u7528<\/li>\n\n\n\n<li>const\u4fee\u98fe\u5b50\u306e\u9069\u5207\u306a\u6307\u5b9a<\/li>\n\n\n\n<li>nullptr\u521d\u671f\u5316\u306e\u5fb9\u5e95<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30a8\u30e9\u30fc\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>nullptr\u30c1\u30a7\u30c3\u30af\u306e\u5b9f\u65bd<\/li>\n\n\n\n<li>\u4f8b\u5916\u5b89\u5168\u306a\u547c\u3073\u51fa\u3057<\/li>\n\n\n\n<li>\u578b\u30c1\u30a7\u30c3\u30af\u306e\u5fb9\u5e95<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u53ef\u8aad\u6027\u306e\u5411\u4e0a<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u610f\u56f3\u306e\u660e\u78ba\u306a\u547d\u540d<\/li>\n\n\n\n<li>\u9069\u5207\u306a\u30b3\u30e1\u30f3\u30c8<\/li>\n\n\n\n<li>\u4e00\u8cab\u3057\u305f\u547c\u3073\u51fa\u3057\u898f\u7d04<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u57fa\u672c\u3092\u62bc\u3055\u3048\u308b\u3053\u3068\u3067\u3001\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u3092\u52b9\u679c\u7684\u306b\u6d3b\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u3088\u308a\u9ad8\u5ea6\u306a\u30c6\u30af\u30cb\u30c3\u30af\u3092\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-13\">\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u3092\u4f7f\u3044\u3053\u306a\u3059\u305f\u3081\u306e7\u3064\u306e\u6838\u5fc3\u30c6\u30af\u30cb\u30c3\u30af<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-14\">\u914d\u5217\u306e\u8981\u7d20\u3068\u3057\u3066\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u3092\u4f7f\u3046<\/h3>\n\n\n\n<p>\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u306e\u914d\u5217\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u8907\u6570\u306e\u64cd\u4f5c\u3092\u30c6\u30fc\u30d6\u30eb\u3068\u3057\u3066\u7ba1\u7406\u3067\u304d\u307e\u3059\uff1a<\/p>\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=\"\">\/\/ \u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u306e\u914d\u5217\u3092\u4f7f\u7528\u3057\u305f\u547d\u4ee4\u30c6\u30fc\u30d6\u30eb\u306e\u5b9f\u88c5\nclass Calculator {\nprivate:\n    \/\/ \u6f14\u7b97\u95a2\u6570\u306e\u5b9a\u7fa9\n    static double add(double a, double b) { return a + b; }\n    static double subtract(double a, double b) { return a - b; }\n    static double multiply(double a, double b) { return a * b; }\n    static double divide(double a, double b) { return b != 0 ? a \/ b : 0; }\n\n    \/\/ \u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u306e\u914d\u5217\n    using Operation = double (*)(double, double);\n    static Operation operations[4];\n\npublic:\n    static double calculate(char op, double a, double b) {\n        switch(op) {\n            case '+': return operations[0](a, b);\n            case '-': return operations[1](a, b);\n            case '*': return operations[2](a, b);\n            case '\/': return operations[3](a, b);\n            default: return 0;\n        }\n    }\n};\n\n\/\/ static \u30e1\u30f3\u30d0\u306e\u521d\u671f\u5316\nCalculator::Operation Calculator::operations[] = {add, subtract, multiply, divide};<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-15\">\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u95a2\u6570\u3067\u306e\u6d3b\u7528\u65b9\u6cd5<\/h3>\n\n\n\n<p>\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u30d1\u30bf\u30fc\u30f3\u3092\u4f7f\u7528\u3057\u3066\u3001\u67d4\u8edf\u306a\u51e6\u7406\u306e\u5b9f\u88c5\u304c\u53ef\u80fd\u3067\u3059\uff1a<\/p>\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\u30fc\u30eb\u30d0\u30c3\u30af\u95a2\u6570\u3092\u4f7f\u7528\u3057\u305f\u30a4\u30d9\u30f3\u30c8\u51e6\u7406\nclass EventHandler {\npublic:\n    using Callback = void (*)(const std::string&amp;, void*);\n\n    void registerCallback(Callback cb, void* userData) {\n        callback = cb;\n        this-&gt;userData = userData;\n    }\n\n    void triggerEvent(const std::string&amp; event) {\n        if (callback) {\n            callback(event, userData);\n        }\n    }\n\nprivate:\n    Callback callback = nullptr;\n    void* userData = nullptr;\n};\n\n\/\/ \u4f7f\u7528\u4f8b\nvoid handleEvent(const std::string&amp; event, void* userData) {\n    std::cout &lt;&lt; \"Event received: \" &lt;&lt; event &lt;&lt; std::endl;\n}\n\nint main() {\n    EventHandler handler;\n    handler.registerCallback(handleEvent, nullptr);\n    handler.triggerEvent(\"Button clicked\");\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-16\">\u30e1\u30f3\u30d0\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u306e\u4f7f\u3044\u65b9<\/h3>\n\n\n\n<p>\u30af\u30e9\u30b9\u306e\u30e1\u30f3\u30d0\u95a2\u6570\u3092\u30dd\u30a4\u30f3\u30bf\u3068\u3057\u3066\u6271\u3046\u65b9\u6cd5\uff1a<\/p>\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 Widget {\npublic:\n    void process(int value) {\n        std::cout &lt;&lt; \"Processing: \" &lt;&lt; value &lt;&lt; std::endl;\n    }\n\n    int calculate(int x, int y) const {\n        return x + y;\n    }\n};\n\n\/\/ \u30e1\u30f3\u30d0\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u306e\u4f7f\u7528\u4f8b\nvoid useMembers() {\n    \/\/ \u30e1\u30f3\u30d0\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u306e\u5ba3\u8a00\n    void (Widget::*processPtr)(int) = &amp;Widget::process;\n    int (Widget::*calcPtr)(int, int) const = &amp;Widget::calculate;\n\n    Widget w;\n    \/\/ \u30e1\u30f3\u30d0\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u306e\u547c\u3073\u51fa\u3057\n    (w.*processPtr)(42);\n    int result = (w.*calcPtr)(10, 20);\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-17\">\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u3068\u578b\u30a8\u30a4\u30ea\u30a2\u30b9\u306e\u7d44\u307f\u5408\u308f\u305b<\/h3>\n\n\n\n<p>\u578b\u30a8\u30a4\u30ea\u30a2\u30b9\u3092\u4f7f\u7528\u3057\u3066\u8907\u96d1\u306a\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u306e\u578b\u3092\u7c21\u6f54\u306b\u8868\u73fe\uff1a<\/p>\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=\"\">\/\/ \u8907\u96d1\u306a\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u306e\u578b\u3092\u7c21\u6f54\u306b\ntemplate&lt;typename T&gt;\nclass SignalHandler {\npublic:\n    using ErrorCallback = void (*)(const std::string&amp;, T*);\n    using SuccessCallback = void (*)(T*, int);\n\n    void setCallbacks(ErrorCallback onError, SuccessCallback onSuccess) {\n        errorCallback = onError;\n        successCallback = onSuccess;\n    }\n\n    void process(T* data, bool success) {\n        if (!success &amp;&amp; errorCallback) {\n            errorCallback(\"Error occurred\", data);\n        } else if (successCallback) {\n            successCallback(data, 0);\n        }\n    }\n\nprivate:\n    ErrorCallback errorCallback = nullptr;\n    SuccessCallback successCallback = nullptr;\n};<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-18\">std::function\u3068\u306e\u4f7f\u3044\u5206\u3051<\/h3>\n\n\n\n<p>std::function\u3068\u306e\u9069\u5207\u306a\u4f7f\u3044\u5206\u3051\u3092\u7406\u89e3\u3059\u308b\uff1a<\/p>\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=\"\">#include &lt;functional&gt;\n\nclass CommandProcessor {\npublic:\n    \/\/ \u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u7248\uff08\u8efd\u91cf\u3060\u304c\u5236\u9650\u3042\u308a\uff09\n    using SimpleCommand = void (*)(void);\n\n    \/\/ std::function\u7248\uff08\u67d4\u8edf\u3060\u304c\u82e5\u5e72\u306e\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\uff09\n    using FlexibleCommand = std::function&lt;void(void)&gt;;\n\n    \/\/ \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u91cd\u8981\u306a\u5834\u5408\u306f\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u3092\u4f7f\u7528\n    void registerFastCommand(SimpleCommand cmd) {\n        fastCommand = cmd;\n    }\n\n    \/\/ \u67d4\u8edf\u6027\u304c\u5fc5\u8981\u306a\u5834\u5408\u306fstd::function\u3092\u4f7f\u7528\n    void registerFlexibleCommand(FlexibleCommand cmd) {\n        flexibleCommand = cmd;\n    }\n\nprivate:\n    SimpleCommand fastCommand = nullptr;\n    FlexibleCommand flexibleCommand;\n};<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-19\">\u30e9\u30e0\u30c0\u5f0f\u3068\u306e\u9023\u643a\u30c6\u30af\u30cb\u30c3\u30af<\/h3>\n\n\n\n<p>\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u3068\u30e9\u30e0\u30c0\u5f0f\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u4f7f\u7528\uff1a<\/p>\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=\"\">\/\/ \u30ad\u30e3\u30d7\u30c1\u30e3\u306a\u3057\u30e9\u30e0\u30c0\u306f\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u306b\u5909\u63db\u53ef\u80fd\nvoid processWithCallback(void (*callback)(int)) {\n    callback(42);\n}\n\nint main() {\n    \/\/ \u30ad\u30e3\u30d7\u30c1\u30e3\u306a\u3057\u30e9\u30e0\u30c0\u3092\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u3068\u3057\u3066\u4f7f\u7528\n    processWithCallback([](int x) {\n        std::cout &lt;&lt; \"Value: \" &lt;&lt; x &lt;&lt; std::endl;\n    });\n\n    \/\/ \u30ad\u30e3\u30d7\u30c1\u30e3\u3042\u308a\u30e9\u30e0\u30c0\u306fstd::function\u3092\u4f7f\u7528\n    int multiplier = 2;\n    std::function&lt;int(int)&gt; func = [multiplier](int x) {\n        return x * multiplier;\n    };\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-20\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u8003\u616e\u3057\u305f\u6700\u9069\u306a\u4f7f\u7528\u65b9\u6cd5<\/h3>\n\n\n\n<p>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u6700\u5927\u5316\u3059\u308b\u305f\u3081\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\uff1a<\/p>\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 PerformanceOptimizer {\npublic:\n    \/\/ 1. \u30a4\u30f3\u30e9\u30a4\u30f3\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u306e\u4f7f\u7528\n    using FastFunc = void (*)(void);\n    __forceinline void executeFast(FastFunc func) {\n        if (func) func();\n    }\n\n    \/\/ 2. \u95a2\u6570\u30c6\u30fc\u30d6\u30eb\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u6700\u9069\u5316\n    template&lt;size_t N&gt;\n    class FunctionCache {\n        using CacheFunc = int (*)(int);\n        CacheFunc funcs[N];\n\n    public:\n        void setFunction(size_t index, CacheFunc func) {\n            if (index &lt; N) funcs[index] = func;\n        }\n\n        int execute(size_t index, int value) {\n            \/\/ \u914d\u5217\u5883\u754c\u30c1\u30a7\u30c3\u30af\u3068nullptr\u30c1\u30a7\u30c3\u30af\u30921\u56de\u3067\n            return (index &lt; N &amp;&amp; funcs[index]) ? funcs[index](value) : 0;\n        }\n    };\n};\n\n\/\/ \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u306e\u305f\u3081\u306e\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\uff1a\n\/\/ 1. \u4eee\u60f3\u95a2\u6570\u306e\u4ee3\u308f\u308a\u306b\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u306f\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u30df\u30b9\u3092\u8003\u616e\n\/\/ 2. \u983b\u7e41\u306b\u547c\u3073\u51fa\u3055\u308c\u308b\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u306f\u914d\u5217\u306b\u307e\u3068\u3081\u3066\u30ad\u30e3\u30c3\u30b7\u30e5\u30e9\u30a4\u30f3\u3092\u52b9\u7387\u5316\n\/\/ 3. nullptr \u30c1\u30a7\u30c3\u30af\u306f\u6761\u4ef6\u5206\u5c90\u4e88\u6e2c\u3092\u8003\u616e\u3057\u3066\u6700\u9069\u5316\n\/\/ 4. \u30a4\u30f3\u30e9\u30a4\u30f3\u5c55\u958b\u53ef\u80fd\u306a\u5834\u6240\u3067\u306f__forceinline\u3092\u691c\u8a0e<\/pre>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u6838\u5fc3\u30c6\u30af\u30cb\u30c3\u30af\u3092\u4f7f\u3044\u3053\u306a\u3059\u3053\u3068\u3067\u3001\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u3092\u52b9\u679c\u7684\u306b\u6d3b\u7528\u3067\u304d\u307e\u3059\u3002\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u3053\u308c\u3089\u306e\u30c6\u30af\u30cb\u30c3\u30af\u3092\u5b9f\u969b\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u3069\u306e\u3088\u3046\u306b\u6d3b\u7528\u3059\u308b\u304b\u3092\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-21\">\u73fe\u5834\u3067\u4f7f\u3048\u308b\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u306e\u5b9f\u8df5\u7684\u306a\u6d3b\u7528\u4f8b<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-22\">\u30d7\u30e9\u30b0\u30a4\u30f3\u6a5f\u69cb\u306e\u5b9f\u88c5\u4f8b<\/h3>\n\n\n\n<p>\u30d7\u30e9\u30b0\u30a4\u30f3\u30b7\u30b9\u30c6\u30e0\u306f\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u306e\u4ee3\u8868\u7684\u306a\u6d3b\u7528\u4f8b\u3067\u3059\u3002\u4ee5\u4e0b\u306b\u3001\u30b7\u30f3\u30d7\u30eb\u306a\u30d7\u30e9\u30b0\u30a4\u30f3\u6a5f\u69cb\u306e\u5b9f\u88c5\u3092\u793a\u3057\u307e\u3059\uff1a<\/p>\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\nstruct Plugin {\n    const char* name;\n    void (*initialize)(void);\n    void (*shutdown)(void);\n    void (*process)(const char* data);\n};\n\n\/\/ \u30d7\u30e9\u30b0\u30a4\u30f3\u30de\u30cd\u30fc\u30b8\u30e3\u30fc\nclass PluginManager {\nprivate:\n    static const size_t MAX_PLUGINS = 16;\n    Plugin* plugins[MAX_PLUGINS];\n    size_t pluginCount = 0;\n\npublic:\n    bool registerPlugin(Plugin* plugin) {\n        if (pluginCount &gt;= MAX_PLUGINS) return false;\n        if (!plugin || !plugin-&gt;initialize || !plugin-&gt;shutdown || !plugin-&gt;process) {\n            return false;\n        }\n\n        plugins[pluginCount++] = plugin;\n        plugin-&gt;initialize();\n        return true;\n    }\n\n    void processAll(const char* data) {\n        for (size_t i = 0; i &lt; pluginCount; ++i) {\n            plugins[i]-&gt;process(data);\n        }\n    }\n\n    ~PluginManager() {\n        for (size_t i = 0; i &lt; pluginCount; ++i) {\n            if (plugins[i]-&gt;shutdown) {\n                plugins[i]-&gt;shutdown();\n            }\n        }\n    }\n};\n\n\/\/ \u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u5b9f\u88c5\u4f8b\nPlugin loggerPlugin = {\n    \"Logger\",\n    []() { std::cout &lt;&lt; \"Logger initialized\\n\"; },\n    []() { std::cout &lt;&lt; \"Logger shutdown\\n\"; },\n    [](const char* data) { std::cout &lt;&lt; \"Log: \" &lt;&lt; data &lt;&lt; \"\\n\"; }\n};\n\nPlugin encryptPlugin = {\n    \"Encryptor\",\n    []() { std::cout &lt;&lt; \"Encryptor initialized\\n\"; },\n    []() { std::cout &lt;&lt; \"Encryptor shutdown\\n\"; },\n    [](const char* data) {\n        std::cout &lt;&lt; \"Encrypted: \";\n        while (*data) std::cout &lt;&lt; (char)(*data++ + 1);\n        std::cout &lt;&lt; \"\\n\";\n    }\n};<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-23\">\u30a4\u30d9\u30f3\u30c8\u99c6\u52d5\u578b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3067\u306e\u6d3b\u7528\u4f8b<\/h3>\n\n\n\n<p>\u30a4\u30d9\u30f3\u30c8\u51e6\u7406\u30b7\u30b9\u30c6\u30e0\u306b\u304a\u3051\u308b\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u306e\u6d3b\u7528\u4f8b\u3092\u793a\u3057\u307e\u3059\uff1a<\/p>\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\u30d9\u30f3\u30c8\u30b7\u30b9\u30c6\u30e0\u306e\u5b9f\u88c5\nclass EventSystem {\npublic:\n    using EventHandler = void (*)(const std::string&amp;, void*);\n\n    struct Subscription {\n        std::string eventType;\n        EventHandler handler;\n        void* userData;\n    };\n\nprivate:\n    static const size_t MAX_SUBSCRIPTIONS = 32;\n    Subscription subscriptions[MAX_SUBSCRIPTIONS];\n    size_t subscriptionCount = 0;\n\npublic:\n    bool subscribe(const std::string&amp; eventType, EventHandler handler, void* userData = nullptr) {\n        if (subscriptionCount &gt;= MAX_SUBSCRIPTIONS) return false;\n\n        subscriptions[subscriptionCount++] = {eventType, handler, userData};\n        return true;\n    }\n\n    void emit(const std::string&amp; eventType, const std::string&amp; eventData) {\n        for (size_t i = 0; i &lt; subscriptionCount; ++i) {\n            if (subscriptions[i].eventType == eventType) {\n                subscriptions[i].handler(eventData, subscriptions[i].userData);\n            }\n        }\n    }\n};\n\n\/\/ \u4f7f\u7528\u4f8b\nvoid onButtonClick(const std::string&amp; data, void* userData) {\n    std::cout &lt;&lt; \"Button clicked: \" &lt;&lt; data &lt;&lt; std::endl;\n}\n\nvoid onWindowResize(const std::string&amp; data, void* userData) {\n    std::cout &lt;&lt; \"Window resized: \" &lt;&lt; data &lt;&lt; std::endl;\n}\n\nint main() {\n    EventSystem events;\n    events.subscribe(\"click\", onButtonClick);\n    events.subscribe(\"resize\", onWindowResize);\n\n    events.emit(\"click\", \"Submit button\");\n    events.emit(\"resize\", \"800x600\");\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-24\">\u72b6\u614b\u30d1\u30bf\u30fc\u30f3\u3067\u306e\u653b\u7565\u30c6\u30af\u30cb\u30c3\u30af<\/h3>\n\n\n\n<p>\u72b6\u614b\u30d1\u30bf\u30fc\u30f3\u3092\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u3067\u5b9f\u88c5\u3059\u308b\u4f8b\u3092\u793a\u3057\u307e\u3059\uff1a<\/p>\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=\"\">\/\/ \u72b6\u614b\u30de\u30b7\u30f3\u306e\u5b9f\u88c5\nclass StateMachine {\npublic:\n    using StateFunction = void (*)(StateMachine*);\n\nprivate:\n    StateFunction currentState;\n    int stateData;\n\npublic:\n    StateMachine() : currentState(nullptr), stateData(0) {}\n\n    void setState(StateFunction newState) {\n        currentState = newState;\n    }\n\n    void update() {\n        if (currentState) {\n            currentState(this);\n        }\n    }\n\n    void setStateData(int data) { stateData = data; }\n    int getStateData() const { return stateData; }\n};\n\n\/\/ \u72b6\u614b\u95a2\u6570\u306e\u5b9f\u88c5\nnamespace States {\n    void idle(StateMachine* machine) {\n        std::cout &lt;&lt; \"Idle state\\n\";\n        if (machine-&gt;getStateData() &gt; 5) {\n            machine-&gt;setState(States::active);\n        }\n    }\n\n    void active(StateMachine* machine) {\n        std::cout &lt;&lt; \"Active state\\n\";\n        if (machine-&gt;getStateData() &lt;= 0) {\n            machine-&gt;setState(States::idle);\n        }\n        machine-&gt;setStateData(machine-&gt;getStateData() - 1);\n    }\n}\n\n\/\/ \u4f7f\u7528\u4f8b\nint main() {\n    StateMachine machine;\n    machine.setState(States::idle);\n    machine.setStateData(10);\n\n    \/\/ \u72b6\u614b\u30de\u30b7\u30f3\u306e\u66f4\u65b0\n    for (int i = 0; i &lt; 15; ++i) {\n        machine.update();\n    }\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-25\">\u5b9f\u88c5\u6642\u306e\u91cd\u8981\u30dd\u30a4\u30f3\u30c8<\/h3>\n\n\n\n<ol 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>\u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u89e3\u653e\u30bf\u30a4\u30df\u30f3\u30b0\u3092\u9069\u5207\u306b\u7ba1\u7406<\/li>\n\n\n\n<li>\u30ea\u30bd\u30fc\u30b9\u30ea\u30fc\u30af\u3092\u9632\u3050\u305f\u3081\u306e\u9069\u5207\u306a\u30af\u30ea\u30fc\u30f3\u30a2\u30c3\u30d7<\/li>\n\n\n\n<li>\u30b9\u30de\u30fc\u30c8\u30dd\u30a4\u30f3\u30bf\u306e\u6d3b\u7528\u691c\u8a0e<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30a8\u30e9\u30fc\u51e6\u7406<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7121\u52b9\u306a\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u306e\u30c1\u30a7\u30c3\u30af<\/li>\n\n\n\n<li>\u5883\u754c\u30c1\u30a7\u30c3\u30af\u306e\u5b9f\u88c5<\/li>\n\n\n\n<li>\u4f8b\u5916\u5b89\u5168\u306a\u8a2d\u8a08<\/li>\n<\/ul>\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>\u95a2\u6570\u30c6\u30fc\u30d6\u30eb\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u52b9\u7387\u3092\u8003\u616e<\/li>\n\n\n\n<li>\u4e0d\u8981\u306a\u30dd\u30a4\u30f3\u30bf\u9593\u63a5\u53c2\u7167\u3092\u524a\u6e1b<\/li>\n\n\n\n<li>\u30db\u30c3\u30c8\u30d1\u30b9\u3067\u306e\u5206\u5c90\u4e88\u6e2c\u306e\u6700\u9069\u5316<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u62e1\u5f35\u6027<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5c06\u6765\u306e\u6a5f\u80fd\u8ffd\u52a0\u3092\u8003\u616e\u3057\u305f\u8a2d\u8a08<\/li>\n\n\n\n<li>\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u4e00\u8cab\u6027\u7dad\u6301<\/li>\n\n\n\n<li>\u30d0\u30fc\u30b8\u30e7\u30f3\u7ba1\u7406\u306e\u8003\u616e<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u5b9f\u8df5\u4f8b\u306f\u3001\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u306e\u5f37\u529b\u3055\u3068\u67d4\u8edf\u6027\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u3053\u308c\u3089\u306e\u5b9f\u88c5\u306b\u304a\u3051\u308b\u30c7\u30d0\u30c3\u30b0\u3068\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306b\u3064\u3044\u3066\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-26\">\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u306e\u30c7\u30d0\u30c3\u30b0\u3068\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-27\">\u30e1\u30e2\u30ea\u30ea\u30fc\u30af\u3092\u9632\u3050\u305f\u3081\u306e\u6ce8\u610f\u70b9<\/h3>\n\n\n\n<p>\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u3092\u4f7f\u7528\u3059\u308b\u969b\u306e\u30e1\u30e2\u30ea\u30ea\u30fc\u30af\u5bfe\u7b56\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\uff1a<\/p>\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\u57fa\u672c\u30d1\u30bf\u30fc\u30f3\nclass ResourceManager {\nprivate:\n    void* resource;\n    void (*cleanupFunc)(void*);\n\npublic:\n    ResourceManager() : resource(nullptr), cleanupFunc(nullptr) {}\n\n    \/\/ \u30ea\u30bd\u30fc\u30b9\u8a2d\u5b9a\u6642\u306b\u30af\u30ea\u30fc\u30f3\u30a2\u30c3\u30d7\u95a2\u6570\u3082\u8a2d\u5b9a\n    void setResource(void* res, void (*cleanup)(void*)) {\n        \/\/ \u65e2\u5b58\u30ea\u30bd\u30fc\u30b9\u306e\u30af\u30ea\u30fc\u30f3\u30a2\u30c3\u30d7\n        if (resource &amp;&amp; cleanupFunc) {\n            cleanupFunc(resource);\n        }\n        resource = res;\n        cleanupFunc = cleanup;\n    }\n\n    \/\/ \u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u3067\u306e\u9069\u5207\u306a\u30af\u30ea\u30fc\u30f3\u30a2\u30c3\u30d7\n    ~ResourceManager() {\n        if (resource &amp;&amp; cleanupFunc) {\n            cleanupFunc(resource);\n        }\n    }\n};\n\n\/\/ \u30b9\u30de\u30fc\u30c8\u30dd\u30a4\u30f3\u30bf\u3092\u4f7f\u7528\u3057\u305f\u5b89\u5168\u306a\u5b9f\u88c5\nclass SafeCallback {\nprivate:\n    std::shared_ptr&lt;void&gt; userData;\n    std::function&lt;void(void*)&gt; callback;\n\npublic:\n    template&lt;typename T&gt;\n    void setCallback(T* data, void (*func)(T*)) {\n        \/\/ \u578b\u5b89\u5168\u306a\u30ea\u30bd\u30fc\u30b9\u7ba1\u7406\n        userData = std::shared_ptr&lt;void&gt;(data, [](void* p) {\n            delete static_cast&lt;T*&gt;(p);\n        });\n        callback = [func](void* p) {\n            func(static_cast&lt;T*&gt;(p));\n        };\n    }\n\n    void execute() {\n        if (callback &amp;&amp; userData) {\n            callback(userData.get());\n        }\n    }\n};<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-28\">\u30b9\u30ec\u30c3\u30c9\u30bb\u30fc\u30d5\u306a\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u306e\u4f7f\u3044\u65b9<\/h3>\n\n\n\n<p>\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u74b0\u5883\u3067\u306e\u5b89\u5168\u306a\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u306e\u4f7f\u7528\u65b9\u6cd5\uff1a<\/p>\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 ThreadSafeCallbackManager {\nprivate:\n    std::mutex mutex;\n    std::unordered_map&lt;std::string, std::function&lt;void()&gt;&gt; callbacks;\n\npublic:\n    \/\/ \u30b9\u30ec\u30c3\u30c9\u30bb\u30fc\u30d5\u306a\u767b\u9332\n    void registerCallback(const std::string&amp; name, void (*callback)()) {\n        std::lock_guard&lt;std::mutex&gt; lock(mutex);\n        callbacks[name] = callback;\n    }\n\n    \/\/ \u30b9\u30ec\u30c3\u30c9\u30bb\u30fc\u30d5\u306a\u5b9f\u884c\n    void executeCallback(const std::string&amp; name) {\n        std::function&lt;void()&gt; callback;\n        {\n            std::lock_guard&lt;std::mutex&gt; lock(mutex);\n            auto it = callbacks.find(name);\n            if (it != callbacks.end()) {\n                callback = it-&gt;second;\n            }\n        }\n        \/\/ \u30ed\u30c3\u30af\u3092\u89e3\u653e\u3057\u305f\u72b6\u614b\u3067\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u3092\u5b9f\u884c\n        if (callback) {\n            callback();\n        }\n    }\n};\n\n\/\/ \u30a2\u30c8\u30df\u30c3\u30af\u64cd\u4f5c\u3092\u4f7f\u7528\u3057\u305f\u6700\u9069\u5316\nclass LockFreeCallbackExecutor {\nprivate:\n    std::atomic&lt;void (*)()&gt; callback{nullptr};\n\npublic:\n    void setCallback(void (*newCallback)()) {\n        callback.store(newCallback);\n    }\n\n    void execute() {\n        auto func = callback.load();\n        if (func) {\n            func();\n        }\n    }\n};<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-29\">\u30c7\u30d0\u30c3\u30ac\u30fc\u3092\u4f7f\u3063\u305f\u52b9\u7387\u7684\u306a\u30c7\u30d0\u30c3\u30b0\u65b9\u6cd5<\/h3>\n\n\n\n<p>\u30c7\u30d0\u30c3\u30ac\u30fc\u3092\u6d3b\u7528\u3057\u305f\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u306e\u30c7\u30d0\u30c3\u30b0\u624b\u6cd5\uff1a<\/p>\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 DebuggableCallback {\npublic:\n    using CallbackType = void (*)(void*);\n\nprivate:\n    CallbackType callback;\n    void* userData;\n    const char* debugName;  \/\/ \u30c7\u30d0\u30c3\u30b0\u7528\u306e\u540d\u524d\n\n    \/\/ \u30c7\u30d0\u30c3\u30b0\u7528\u306e\u95a2\u6570\u30e9\u30c3\u30d1\u30fc\n    static void debugWrapper(CallbackType originalCallback, void* data, const char* name) {\n        std::cout &lt;&lt; \"Executing callback: \" &lt;&lt; name &lt;&lt; std::endl;\n        #ifdef _DEBUG\n            try {\n                originalCallback(data);\n            } catch (const std::exception&amp; e) {\n                std::cerr &lt;&lt; \"Exception in callback \" &lt;&lt; name &lt;&lt; \": \" &lt;&lt; e.what() &lt;&lt; std::endl;\n                throw;\n            }\n        #else\n            originalCallback(data);\n        #endif\n    }\n\npublic:\n    DebuggableCallback(CallbackType cb, void* data, const char* name)\n        : callback(cb), userData(data), debugName(name) {}\n\n    void execute() {\n        #ifdef _DEBUG\n            debugWrapper(callback, userData, debugName);\n        #else\n            callback(userData);\n        #endif\n    }\n};\n\n\/\/ \u30c7\u30d0\u30c3\u30b0\u60c5\u5831\u4ed8\u304d\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u7ba1\u7406\nclass DebugCallbackManager {\nprivate:\n    struct CallbackInfo {\n        void (*func)();\n        const char* location;  \/\/ \u767b\u9332\u3055\u308c\u305f\u5834\u6240\n        std::chrono::system_clock::time_point registrationTime;\n    };\n    std::vector&lt;CallbackInfo&gt; callbacks;\n\npublic:\n    void registerCallback(void (*func)(), const char* location) {\n        callbacks.push_back({\n            func,\n            location,\n            std::chrono::system_clock::now()\n        });\n    }\n\n    \/\/ \u30c7\u30d0\u30c3\u30b0\u60c5\u5831\u306e\u51fa\u529b\n    void dumpDebugInfo() {\n        for (const auto&amp; info : callbacks) {\n            std::cout &lt;&lt; \"Callback at: \" &lt;&lt; info.location &lt;&lt; \"\\n\"\n                     &lt;&lt; \"Registered: \" &lt;&lt; std::chrono::system_clock::to_time_t(info.registrationTime)\n                     &lt;&lt; std::endl;\n        }\n    }\n};<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-30\">\u30c7\u30d0\u30c3\u30b0\u3068\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30c7\u30d0\u30c3\u30b0\u6642\u306e\u6ce8\u610f\u70b9<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30d6\u30ec\u30fc\u30af\u30dd\u30a4\u30f3\u30c8\u306e\u9069\u5207\u306a\u8a2d\u5b9a<\/li>\n\n\n\n<li>\u30b3\u30fc\u30eb\u30b9\u30bf\u30c3\u30af\u306e\u78ba\u8a8d<\/li>\n\n\n\n<li>\u30e1\u30e2\u30ea\u30c0\u30f3\u30d7\u306e\u6d3b\u7528<\/li>\n\n\n\n<li>\u30c7\u30d0\u30c3\u30b0\u30ed\u30b0\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=\"\">\/\/ \u30c7\u30d0\u30c3\u30b0\u30ed\u30b0\u306e\u5b9f\u88c5\u4f8b\nclass DebugLogger {\npublic:\n    static void log(const char* format, ...) {\n        #ifdef _DEBUG\n            va_list args;\n            va_start(args, format);\n            vprintf(format, args);\n            va_end(args);\n        #endif\n    }\n};\n\n\/\/ \u4f7f\u7528\u4f8b\nvoid someFunction(void* data) {\n    DebugLogger::log(\"Function called with data: %p\\n\", data);\n}<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u4e00\u822c\u7684\u306a\u30c8\u30e9\u30d6\u30eb\u3068\u305d\u306e\u89e3\u6c7a\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=\"\">\/\/ \u554f\u984c: \u7121\u52b9\u306a\u30dd\u30a4\u30f3\u30bf\u30a2\u30af\u30bb\u30b9\nclass SafePointerManager {\nprivate:\n    void (*funcPtr)() = nullptr;\n    bool isValid = false;\n\npublic:\n    void setFunction(void (*func)()) {\n        funcPtr = func;\n        isValid = (func != nullptr);\n    }\n\n    bool execute() {\n        if (!isValid) {\n            DebugLogger::log(\"Attempted to call invalid function pointer\\n\");\n            return false;\n        }\n        funcPtr();\n        return true;\n    }\n};\n\n\/\/ \u554f\u984c: \u578b\u306e\u4e0d\u4e00\u81f4\ntemplate&lt;typename T&gt;\nclass TypeSafeCallback {\n    using CallbackType = void (*)(T);\n    CallbackType callback;\n\npublic:\n    void setCallback(CallbackType cb) {\n        static_assert(std::is_same&lt;T, std::remove_pointer_t&lt;decltype(cb)&gt;&gt;::value,\n                     \"Type mismatch in callback\");\n        callback = cb;\n    }\n};<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u306e\u305f\u3081\u306e\u30c7\u30d0\u30c3\u30b0<\/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 PerformanceTracker {\nprivate:\n    using TimePoint = std::chrono::high_resolution_clock::time_point;\n    std::unordered_map&lt;void(*)(), std::vector&lt;double&gt;&gt; executionTimes;\n\npublic:\n    void trackExecution(void (*func)()) {\n        auto start = std::chrono::high_resolution_clock::now();\n        func();\n        auto end = std::chrono::high_resolution_clock::now();\n\n        double duration = std::chrono::duration&lt;double, std::milli&gt;(end - start).count();\n        executionTimes[func].push_back(duration);\n    }\n\n    void printStats(void (*func)()) {\n        auto&amp; times = executionTimes[func];\n        if (times.empty()) return;\n\n        double avg = std::accumulate(times.begin(), times.end(), 0.0) \/ times.size();\n        std::cout &lt;&lt; \"Average execution time: \" &lt;&lt; avg &lt;&lt; \"ms\\n\";\n    }\n};<\/pre>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u30c7\u30d0\u30c3\u30b0\u6280\u8853\u3068\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u624b\u6cd5\u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u3092\u4f7f\u7528\u3057\u305f\u30b3\u30fc\u30c9\u306e\u54c1\u8cea\u3068\u4fe1\u983c\u6027\u3092\u9ad8\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u30e2\u30c0\u30f3C++\u6642\u4ee3\u306b\u304a\u3051\u308b\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u306e\u5f79\u5272\u306b\u3064\u3044\u3066\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-31\">\u30e2\u30c0\u30f3C++\u6642\u4ee3\u306e\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u306e\u5c55\u671b<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-32\">\u95a2\u6570\u30dd\u30a4\u30f3\u30bfvs\u65b0\u3057\u3044\u4ee3\u66ff\u6a5f\u80fd\u306e\u6bd4\u8f03<\/h3>\n\n\n\n<p>\u30e2\u30c0\u30f3C++\u3067\u306f\u3001\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u306b\u4ee3\u308f\u308b\u69d8\u3005\u306a\u9078\u629e\u80a2\u304c\u63d0\u4f9b\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u305d\u308c\u305e\u308c\u306e\u7279\u5fb4\u3092\u6bd4\u8f03\u3057\u3066\u307f\u307e\u3057\u3087\u3046\uff1a<\/p>\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=\"\">#include &lt;functional&gt;\n#include &lt;memory&gt;\n#include &lt;chrono&gt;\n#include &lt;iostream&gt;\n\n\/\/ \u6027\u80fd\u6bd4\u8f03\u306e\u305f\u3081\u306e\u30d9\u30f3\u30c1\u30de\u30fc\u30af\u95a2\u6570\nclass BenchmarkTest {\npublic:\n    static void runBenchmark(const char* name, auto&amp;&amp; func) {\n        auto start = std::chrono::high_resolution_clock::now();\n        for(int i = 0; i &lt; 1000000; ++i) {\n            func(i);\n        }\n        auto end = std::chrono::high_resolution_clock::now();\n        auto duration = std::chrono::duration_cast&lt;std::chrono::microseconds&gt;(end - start);\n        std::cout &lt;&lt; name &lt;&lt; \": \" &lt;&lt; duration.count() &lt;&lt; \"us\\n\";\n    }\n};\n\n\/\/ 1. \u5f93\u6765\u306e\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\nvoid traditionalCallback(int x) {\n    volatile int result = x * x;\n}\n\n\/\/ 2. std::function\nclass ModernExample {\npublic:\n    void setup() {\n        \/\/ \u95a2\u6570\u30dd\u30a4\u30f3\u30bf\n        void (*fp)(int) = traditionalCallback;\n        BenchmarkTest::runBenchmark(\"Function Pointer\", fp);\n\n        \/\/ std::function\n        std::function&lt;void(int)&gt; func = traditionalCallback;\n        BenchmarkTest::runBenchmark(\"std::function\", func);\n\n        \/\/ \u30e9\u30e0\u30c0\u5f0f\uff08\u30ad\u30e3\u30d7\u30c1\u30e3\u306a\u3057\uff09\n        auto lambda = [](int x) {\n            volatile int result = x * x;\n        };\n        BenchmarkTest::runBenchmark(\"Lambda\", lambda);\n    }\n};\n\n\/\/ \u6bd4\u8f03\u8868\n\/*\n\u6a5f\u80fd\u6bd4\u8f03\uff1a\n+-------------------+------------------+------------------+------------------+\n| \u7279\u5fb4             | \u95a2\u6570\u30dd\u30a4\u30f3\u30bf     | std::function    | \u30e9\u30e0\u30c0\u5f0f         |\n+-------------------+------------------+------------------+------------------+\n| \u30e1\u30e2\u30ea\u30aa\u30fc\u30d0\u30fc   | \u306a\u3057             | \u3042\u308a             | \u306a\u3057\uff08\u30ad\u30e3\u30d7\u30c1\u30e3 |\n| \u30d8\u30c3\u30c9           |                  |                  | \u306a\u3057\u306e\u5834\u5408\uff09     |\n+-------------------+------------------+------------------+------------------+\n| \u578b\u306e\u67d4\u8edf\u6027       | \u4f4e               | \u9ad8               | \u9ad8               |\n+-------------------+------------------+------------------+------------------+\n| \u72b6\u614b\u306e\u4fdd\u6301       | \u4e0d\u53ef             | \u53ef\u80fd             | \u53ef\u80fd\uff08\u30ad\u30e3\u30d7\u30c1\u30e3 |\n|                  |                  |                  | \u3042\u308a\u306e\u5834\u5408\uff09     |\n+-------------------+------------------+------------------+------------------+\n| \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9   | \u6700\u9ad8             | \u82e5\u5e72\u306e           | \u30ad\u30e3\u30d7\u30c1\u30e3\u306a\u3057   |\n|                  |                  | \u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9   | \u306e\u5834\u5408\u306f\u9ad8       |\n+-------------------+------------------+------------------+------------------+\n*\/<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-33\">\u3053\u308c\u304b\u3089\u3082\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u304c\u5fc5\u8981\u306a\u7406\u7531<\/h3>\n\n\n\n<p>\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u304c\u73fe\u4ee3\u3067\u3082\u91cd\u8981\u3067\u3042\u308b\u7406\u7531\u3092\u3001\u5177\u4f53\u7684\u306a\u4f7f\u7528\u4f8b\u3067\u793a\u3057\u307e\u3059\uff1a<\/p>\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=\"\">\/\/ 1. C\u8a00\u8a9e\u3068\u306e\u4e92\u63db\u6027\u304c\u5fc5\u8981\u306a\u5834\u5408\nextern \"C\" {\n    typedef void (*CallbackFunc)(void*);\n    void registerCallback(CallbackFunc func, void* userData);\n}\n\n\/\/ 2. \u6975\u9650\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u5fc5\u8981\u306a\u5834\u5408\nclass HighPerformanceSystem {\nprivate:\n    void (*fastCallback)(void*);\n\npublic:\n    void setCallback(void (*func)(void*)) {\n        fastCallback = func;\n    }\n\n    void execute(void* data) {\n        \/\/ \u76f4\u63a5\u7684\u306a\u95a2\u6570\u547c\u3073\u51fa\u3057\uff08\u6700\u5c0f\u306e\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\uff09\n        if (fastCallback) {\n            fastCallback(data);\n        }\n    }\n};\n\n\/\/ 3. \u7d44\u307f\u8fbc\u307f\u30b7\u30b9\u30c6\u30e0\u3067\u306e\u30e1\u30e2\u30ea\u5236\u7d04\nclass EmbeddedSystem {\nprivate:\n    static const size_t MAX_CALLBACKS = 8;\n    void (*callbacks[MAX_CALLBACKS])(void);\n    size_t callbackCount = 0;\n\npublic:\n    bool addCallback(void (*func)(void)) {\n        if (callbackCount &lt; MAX_CALLBACKS) {\n            callbacks[callbackCount++] = func;\n            return true;\n        }\n        return false;\n    }\n};<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-34\">\u5c06\u6765\u7684\u306a\u5c55\u671b\u3068\u4ee3\u66ff\u624b\u6bb5\u306e\u691c\u8a0e<\/h3>\n\n\n\n<p>\u30e2\u30c0\u30f3C++\u306e\u9032\u5316\u306b\u4f34\u3046\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u306e\u4f4d\u7f6e\u3065\u3051\u3068\u3001\u9069\u5207\u306a\u4f7f\u7528\u5224\u65ad\u57fa\u6e96\u3092\u793a\u3057\u307e\u3059\uff1a<\/p>\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=\"\">\/\/ 1. \u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u591a\u614b\u6027\u3068\u306e\u7d44\u307f\u5408\u308f\u305b\ntemplate&lt;typename Callable&gt;\nclass ModernCallbackSystem {\n    \/\/ \u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u306e\u578b\u30c1\u30a7\u30c3\u30af\n    static_assert(std::is_invocable_v&lt;Callable&gt;,\n                 \"Callable must be invocable without arguments\");\n\nprivate:\n    Callable callback;\n\npublic:\n    ModernCallbackSystem(Callable cb) : callback(std::move(cb)) {}\n\n    void execute() {\n        if constexpr (std::is_pointer_v&lt;Callable&gt;) {\n            \/\/ \u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u306e\u5834\u5408\u306e\u7279\u5225\u306a\u51e6\u7406\n            if (callback) callback();\n        } else {\n            \/\/ \u305d\u306e\u4ed6\u306e\u547c\u3073\u51fa\u3057\u53ef\u80fd\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\n            callback();\n        }\n    }\n};\n\n\/\/ 2. \u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\u30a2\u30d7\u30ed\u30fc\u30c1\nclass HybridSystem {\nprivate:\n    \/\/ \u9ad8\u6027\u80fd\u304c\u5fc5\u8981\u306a\u90e8\u5206\u306b\u306f\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u3092\u4f7f\u7528\n    void (*criticalCallback)(void) = nullptr;\n\n    \/\/ \u67d4\u8edf\u6027\u304c\u5fc5\u8981\u306a\u90e8\u5206\u306b\u306fstd::function\u3092\u4f7f\u7528\n    std::function&lt;void()&gt; flexibleCallback;\n\npublic:\n    template&lt;typename F&gt;\n    void setCallback(F&amp;&amp; func) {\n        if constexpr (std::is_same_v&lt;std::remove_pointer_t&lt;F&gt;, void(void)&gt;) {\n            criticalCallback = func;\n        } else {\n            flexibleCallback = std::forward&lt;F&gt;(func);\n        }\n    }\n};\n\n\/\/ 3. \u5c06\u6765\u3092\u898b\u636e\u3048\u305f\u8a2d\u8a08\u30d1\u30bf\u30fc\u30f3\nclass FutureProofDesign {\npublic:\n    \/\/ \u57fa\u672c\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\uff08\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\uff09\n    using BasicCallback = void (*)(void);\n\n    \/\/ \u62e1\u5f35\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\n    template&lt;typename... Args&gt;\n    using ExtendedCallback = std::function&lt;void(Args...)&gt;;\n\n    \/\/ \u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u306e\u6a5f\u80fd\u691c\u51fa\n    template&lt;typename T&gt;\n    static constexpr bool supportsModernFeatures() {\n        return std::is_invocable_v&lt;T&gt;;\n    }\n};<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-35\">\u5b9f\u88c5\u9078\u629e\u306e\u6307\u91dd<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u3092\u9078\u629e\u3059\u3079\u304d\u5834\u5408<\/strong>:<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>C\u8a00\u8a9e\u3068\u306e\u4e92\u63db\u6027\u304c\u5fc5\u8981\u306a\u5834\u5408<\/li>\n\n\n\n<li>\u6975\u9650\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u8981\u6c42\u3055\u308c\u308b\u5834\u5408<\/li>\n\n\n\n<li>\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u306e\u5236\u7d04\u304c\u53b3\u3057\u3044\u5834\u5408<\/li>\n\n\n\n<li>\u30b7\u30f3\u30d7\u30eb\u306a\u95a2\u6570\u547c\u3073\u51fa\u3057\u3067\u5341\u5206\u306a\u5834\u5408<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>std::function\u3092\u9078\u629e\u3059\u3079\u304d\u5834\u5408<\/strong>:<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u72b6\u614b\u3092\u6301\u3064\u95a2\u6570\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u5fc5\u8981\u306a\u5834\u5408<\/li>\n\n\n\n<li>\u578b\u306e\u67d4\u8edf\u6027\u304c\u91cd\u8981\u306a\u5834\u5408<\/li>\n\n\n\n<li>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3088\u308a\u3082\u6a5f\u80fd\u6027\u3092\u91cd\u8996\u3059\u308b\u5834\u5408<\/li>\n\n\n\n<li>\u8907\u96d1\u306a\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u30b7\u30b9\u30c6\u30e0\u3092\u5b9f\u88c5\u3059\u308b\u5834\u5408<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30e9\u30e0\u30c0\u5f0f\u3092\u9078\u629e\u3059\u3079\u304d\u5834\u5408<\/strong>:<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30ed\u30fc\u30ab\u30eb\u30b9\u30b3\u30fc\u30d7\u3067\u306e\u4e00\u6642\u7684\u306a\u95a2\u6570\u304c\u5fc5\u8981\u306a\u5834\u5408<\/li>\n\n\n\n<li>\u30ad\u30e3\u30d7\u30c1\u30e3\u306b\u3088\u308b\u72b6\u614b\u7ba1\u7406\u304c\u5fc5\u8981\u306a\u5834\u5408<\/li>\n\n\n\n<li>\u30b3\u30fc\u30c9\u306e\u53ef\u8aad\u6027\u3092\u91cd\u8996\u3059\u308b\u5834\u5408<\/li>\n\n\n\n<li>\u30e2\u30c0\u30f3\u306aC++\u6a5f\u80fd\u3092\u6700\u5927\u9650\u6d3b\u7528\u3057\u305f\u3044\u5834\u5408<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u9078\u629e\u80a2\u3092\u9069\u5207\u306b\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u30e2\u30c0\u30f3C++\u3067\u3082\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u3092\u52b9\u679c\u7684\u306b\u6d3b\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u306f\u3001\u305d\u306e\u5358\u7d14\u3055\u3068\u52b9\u7387\u6027\u304b\u3089\u3001\u7279\u5b9a\u306e\u7528\u9014\u3067\u306f\u4eca\u5f8c\u3082\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u7d9a\u3051\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Warning: Undefined array key &#8220;is_admin&#8221; in \/home\/xs392991\/dexall.co.jp\/public_html\/articles\/wp-content\/themes\/ &#8230; <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":{"0":"post-2065","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-cpp","7":"nothumb"},"_links":{"self":[{"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/posts\/2065","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2065"}],"version-history":[{"count":1,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/posts\/2065\/revisions"}],"predecessor-version":[{"id":2066,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/posts\/2065\/revisions\/2066"}],"wp:attachment":[{"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2065"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2065"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2065"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}