{"id":1892,"date":"2025-03-24T08:49:42","date_gmt":"2025-03-23T23:49:42","guid":{"rendered":"https:\/\/dexall.co.jp\/articles\/?p=1892"},"modified":"2025-03-24T08:49:42","modified_gmt":"2025-03-23T23:49:42","slug":"c-virtual%e3%81%ae%e5%ae%8c%e5%85%a8%e3%82%ac%e3%82%a4%e3%83%89%ef%bc%9a%e5%ae%9f%e8%b7%b5%e7%9a%84%e3%81%aa%e4%bd%bf%e3%81%84%e6%96%b9%e3%81%a8%e8%a8%ad%e8%a8%88%e3%83%91%e3%82%bf%e3%83%bc%e3%83%b3","status":"publish","type":"post","link":"https:\/\/dexall.co.jp\/articles\/?p=1892","title":{"rendered":"C++ virtual\u306e\u5b8c\u5168\u30ac\u30a4\u30c9\uff1a\u5b9f\u8df5\u7684\u306a\u4f7f\u3044\u65b9\u3068\u8a2d\u8a08\u30d1\u30bf\u30fc\u30f37\u9078"},"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\">C++ virtual\u30ad\u30fc\u30ef\u30fc\u30c9\u306e\u57fa\u790e\u77e5\u8b58<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-1\">virtual\u30ad\u30fc\u30ef\u30fc\u30c9\u304c\u89e3\u6c7a\u3059\u308b\u7d99\u627f\u306e\u554f\u984c<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-2\">\u4eee\u60f3\u95a2\u6570\u30c6\u30fc\u30d6\u30eb\u306e\u4ed5\u7d44\u307f\u3068\u52d5\u4f5c\u539f\u7406<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-3\">virtual\u30ad\u30fc\u30ef\u30fc\u30c9\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3078\u306e\u5f71\u97ff<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-4\">\u4eee\u60f3\u95a2\u6570\u547c\u3073\u51fa\u3057\u306e\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-5\">\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u3078\u306e\u5f71\u97ff\u3068\u6700\u9069\u5316\u30c6\u30af\u30cb\u30c3\u30af<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-6\">\u5b9f\u8df5\u7684\u306avirtual\u95a2\u6570\u306e\u4f7f\u3044\u65b9<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-7\">\u7d14\u7c8b\u4eee\u60f3\u95a2\u6570\u3068\u901a\u5e38\u306e\u4eee\u60f3\u95a2\u6570\u306e\u4f7f\u7528<\/a>      <\/li>      <li>        <a href=\"#i-8\">\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u3092\u4eee\u60f3\u306b\u3059\u3079\u304d\u5834\u5408\u306e\u5224\u65ad\u57fa\u6e96<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-9\">\u4eee\u60f3\u95a2\u6570\u306e\u30aa\u30fc\u30d0\u30fc\u30e9\u30a4\u30c9\u6642\u306e\u6ce8\u610f\u70b9<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-10\">virtual\u3092\u6d3b\u7528\u3057\u305f\u8a2d\u8a08\u30d1\u30bf\u30fc\u30f37\u9078<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-11\">\u6226\u7565\u30d1\u30bf\u30fc\u30f3\u306b\u3088\u308b\u884c\u52d5\u306e\u8ee2\u63db<\/a>      <\/li>      <li>        <a href=\"#i-12\">\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u30e1\u30bd\u30c3\u30c9\u30d1\u30bf\u30fc\u30f3\u306b\u3088\u308b\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306e\u62bd\u8c61\u5316<\/a>      <\/li>      <li>        <a href=\"#i-13\">\u30aa\u30d6\u30b6\u30fc\u30d0\u30fc\u30d1\u30bf\u30fc\u30f3\u306b\u3088\u308b\u30a4\u30d9\u30f3\u30c8\u901a\u77e5\u306e\u5b9f\u88c5<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-14\">\u305d\u306e\u4ed6\u5b9f\u7528\u7684\u306a4\u3064\u306e\u30d1\u30bf\u30fc\u30f3\u3068\u5b9f\u88c5\u4f8b<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-15\">\u4eee\u60f3\u306e\u4f7f\u7528\u3092\u907f\u3051\u308b\u3079\u304d\u30b1\u30fc\u30b9<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-16\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u306a\u5834\u9762\u3067\u306e\u4ee3\u66ff\u624b\u6cd5<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-17\">\u8a2d\u8a08\u4e0avirtual\u304c\u30a2\u30f3\u30c1\u30d1\u30bf\u30fc\u30f3\u3068\u306a\u308b\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3<\/a>      <\/li>    <\/ul>  <\/li>  <li class=\"last\">    <a href=\"#i-18\">C++20\u4ee5\u964d\u306evirtual\u306e\u65b0\u6a5f\u80fd\u3068\u5c06\u6765\u5c55\u671b<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-19\">concepts\u6a5f\u80fd\u3068\u306e\u7d44\u307f\u5408\u308f\u305b\u306b\u3088\u308b\u578b\u5b89\u5168\u6027\u306e\u5411\u4e0a<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-20\">\u30e2\u30b8\u30e5\u30fc\u30eb\u5316\u306b\u304a\u3051\u308b\u4eee\u60f3\u95a2\u6570\u306e\u6271\u3044\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\">C++ virtual\u30ad\u30fc\u30ef\u30fc\u30c9\u306e\u57fa\u790e\u77e5\u8b58<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-1\">virtual\u30ad\u30fc\u30ef\u30fc\u30c9\u304c\u89e3\u6c7a\u3059\u308b\u7d99\u627f\u306e\u554f\u984c<\/h3>\n\n\n\n<p>C++\u306b\u304a\u3051\u308b\u7d99\u627f\u3067\u306f\u3001\u57fa\u5e95\u30af\u30e9\u30b9\u3078\u306e\u30dd\u30a4\u30f3\u30bf\u3084\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u3092\u4f7f\u3063\u3066\u6d3e\u751f\u30af\u30e9\u30b9\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u6271\u3046\u5834\u5408\u306b\u3001\u9759\u7684\u30d0\u30a4\u30f3\u30c7\u30a3\u30f3\u30b0\u3068\u52d5\u7684\u30d0\u30a4\u30f3\u30c7\u30a3\u30f3\u30b0\u306e\u9055\u3044\u304c\u91cd\u8981\u306b\u306a\u308a\u307e\u3059\u3002virtual\u30ad\u30fc\u30ef\u30fc\u30c9\u304c\u306a\u3044\u5834\u5408\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u554f\u984c\u304c\u767a\u751f\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=\"\">class Animal {\npublic:\n    void makeSound() {\n        std::cout &lt;&lt; \"Some generic sound\" &lt;&lt; std::endl;\n    }\n};\n\nclass Dog : public Animal {\npublic:\n    void makeSound() {\n        std::cout &lt;&lt; \"Woof!\" &lt;&lt; std::endl;\n    }\n};\n\nint main() {\n    Animal* animal = new Dog();\n    animal-&gt;makeSound(); \/\/ \u51fa\u529b: \"Some generic sound\" (\u671f\u5f85\u3057\u305f \"Woof!\" \u306f\u51fa\u529b\u3055\u308c\u306a\u3044)\n    delete animal;\n    return 0;\n}<\/pre>\n\n\n\n<p>\u3053\u306e\u554f\u984c\u3092\u89e3\u6c7a\u3059\u308b\u305f\u3081\u306b\u3001virtual\u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u4f7f\u7528\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=\"\">class Animal {\npublic:\n    virtual void makeSound() {  \/\/ \u57fa\u5e95\u30af\u30e9\u30b9\u3067virtual\u3092\u5ba3\u8a00\n        std::cout &lt;&lt; \"Some generic sound\" &lt;&lt; std::endl;\n    }\n    virtual ~Animal() {}  \/\/ \u4eee\u60f3\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u3082\u91cd\u8981\n};\n\nclass Dog : public Animal {\npublic:\n    void makeSound() override {  \/\/ override\u6307\u5b9a\u5b50\u3067\u610f\u56f3\u3092\u660e\u78ba\u306b\n        std::cout &lt;&lt; \"Woof!\" &lt;&lt; std::endl;\n    }\n};\n\nint main() {\n    Animal* animal = new Dog();\n    animal-&gt;makeSound(); \/\/ \u6b63\u3057\u304f \"Woof!\" \u304c\u51fa\u529b\u3055\u308c\u308b\n    delete animal;\n    return 0;\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-2\">\u4eee\u60f3\u95a2\u6570\u30c6\u30fc\u30d6\u30eb\u306e\u4ed5\u7d44\u307f\u3068\u52d5\u4f5c\u539f\u7406<\/h3>\n\n\n\n<p>\u4eee\u60f3\u95a2\u6570\u306e\u5b9f\u73fe\u306b\u306f\u3001\u4eee\u60f3\u95a2\u6570\u30c6\u30fc\u30d6\u30eb\uff08vtable\uff09\u3068\u3044\u3046\u30e1\u30ab\u30cb\u30ba\u30e0\u304c\u4f7f\u7528\u3055\u308c\u307e\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30af\u30e9\u30b9\u306e\u30e1\u30e2\u30ea\u30ec\u30a4\u30a2\u30a6\u30c8<\/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\u30ec\u30a4\u30a2\u30a6\u30c8\u306e\u6982\u5ff5\u56f3\nclass Base {\n    void* vptr;       \/\/ \u4eee\u60f3\u95a2\u6570\u30c6\u30fc\u30d6\u30eb\u3078\u306e\u30dd\u30a4\u30f3\u30bf\n    int data;         \/\/ \u5b9f\u30c7\u30fc\u30bf\u30e1\u30f3\u30d0\n    \/\/ \u305d\u306e\u4ed6\u306e\u30e1\u30f3\u30d0...\n};<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>vtable\u306e\u69cb\u9020<\/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\u30f3\u30d1\u30a4\u30e9\u304c\u751f\u6210\u3059\u308b\u4eee\u60f3\u95a2\u6570\u30c6\u30fc\u30d6\u30eb\u306e\u30a4\u30e1\u30fc\u30b8\nstruct VTable {\n    void (*makeSound)(Base*);    \/\/ \u95a2\u6570\u30dd\u30a4\u30f3\u30bf\n    void (*destructor)(Base*);   \/\/ \u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u3078\u306e\u30dd\u30a4\u30f3\u30bf\n    \/\/ \u305d\u306e\u4ed6\u306e\u4eee\u60f3\u95a2\u6570\u30dd\u30a4\u30f3\u30bf...\n};<\/pre>\n\n\n\n<p>\u4eee\u60f3\u95a2\u6570\u30c6\u30fc\u30d6\u30eb\u306e\u52d5\u4f5c\u306e\u7279\u5fb4\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u751f\u6210\u6642\u306e\u51e6\u7406<\/li>\n\n\n\n<li>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u751f\u6210\u6642\u306b\u3001\u9069\u5207\u306avtable\u3078\u306e\u30dd\u30a4\u30f3\u30bf\u304c\u8a2d\u5b9a\u3055\u308c\u308b<\/li>\n\n\n\n<li>\u6d3e\u751f\u30af\u30e9\u30b9\u306f\u72ec\u81ea\u306evtable\u3092\u6301\u3064<\/li>\n\n\n\n<li>\u95a2\u6570\u547c\u3073\u51fa\u3057\u6642\u306e\u51e6\u7406<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306evptr\u3092\u53c2\u7167<\/li>\n\n\n\n<li>vtable\u304b\u3089\u9069\u5207\u306a\u95a2\u6570\u30dd\u30a4\u30f3\u30bf\u3092\u53d6\u5f97<\/li>\n\n\n\n<li>\u5b9f\u969b\u306e\u95a2\u6570\u3092\u547c\u3073\u51fa\u3057<\/li>\n<\/ol>\n\n\n\n<p>\u4f8b\u3048\u3070\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u7d99\u627f\u968e\u5c64\u3067\u306f\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 Shape {\npublic:\n    virtual double area() const = 0;  \/\/ \u7d14\u7c8b\u4eee\u60f3\u95a2\u6570\n    virtual ~Shape() {}\n};\n\nclass Circle : public Shape {\n    double radius;\npublic:\n    Circle(double r) : radius(r) {}\n    double area() const override {\n        return 3.14159 * radius * radius;\n    }\n};\n\nclass Rectangle : public Shape {\n    double width, height;\npublic:\n    Rectangle(double w, double h) : width(w), height(h) {}\n    double area() const override {\n        return width * height;\n    }\n};<\/pre>\n\n\n\n<p>\u5404\u30af\u30e9\u30b9\u306f\u72ec\u81ea\u306evtable\u3092\u6301\u3061\u3001\u9069\u5207\u306a\u95a2\u6570\u5b9f\u88c5\u3078\u306e\u30dd\u30a4\u30f3\u30bf\u3092\u4fdd\u6301\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5b9f\u884c\u6642\u306e\u67d4\u8edf\u6027\u304c\u78ba\u4fdd\u3055\u308c\u308b<\/li>\n\n\n\n<li>\u578b\u5b89\u5168\u6027\u304c\u7dad\u6301\u3055\u308c\u308b<\/li>\n\n\n\n<li>\u591a\u614b\u6027\uff08\u30dd\u30ea\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\uff09\u304c\u5b9f\u73fe\u3055\u308c\u308b<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u306e\u30e1\u30ab\u30cb\u30ba\u30e0\u306b\u3088\u308a\u3001C++\u306f\u52b9\u7387\u7684\u306a\u52d5\u7684\u30c7\u30a3\u30b9\u30d1\u30c3\u30c1\u3092\u5b9f\u73fe\u3057\u306a\u304c\u3089\u3001\u578b\u5b89\u5168\u6027\u3082\u78ba\u4fdd\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-3\">virtual\u30ad\u30fc\u30ef\u30fc\u30c9\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3078\u306e\u5f71\u97ff<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-4\">\u4eee\u60f3\u95a2\u6570\u547c\u3073\u51fa\u3057\u306e\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9<\/h3>\n\n\n\n<p>\u4eee\u60f3\u95a2\u6570\u306e\u547c\u3073\u51fa\u3057\u306f\u3001\u901a\u5e38\u306e\u95a2\u6570\u547c\u3073\u51fa\u3057\u3068\u6bd4\u8f03\u3057\u3066\u82e5\u5e72\u306e\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u304c\u767a\u751f\u3057\u307e\u3059\u3002\u5177\u4f53\u7684\u306a\u5f71\u97ff\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=\"\">#include &lt;chrono&gt;\n#include &lt;iostream&gt;\n#include &lt;vector&gt;\n\n\/\/ \u901a\u5e38\u306e\u95a2\u6570\u547c\u3073\u51fa\u3057\nclass NormalClass {\npublic:\n    int calculate(int x) { return x * 2; }\n};\n\n\/\/ \u4eee\u60f3\u95a2\u6570\u547c\u3073\u51fa\u3057\nclass VirtualClass {\npublic:\n    virtual int calculate(int x) { return x * 2; }\n    virtual ~VirtualClass() {}\n};\n\n\/\/ \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6e2c\u5b9a\u7528\u95a2\u6570\ntemplate&lt;typename T&gt;\ndouble measurePerformance(int iterations) {\n    T obj;\n    auto start = std::chrono::high_resolution_clock::now();\n\n    volatile int result = 0;  \/\/ \u6700\u9069\u5316\u3092\u9632\u3050\n    for (int i = 0; i &lt; iterations; ++i) {\n        result = obj.calculate(i);\n    }\n\n    auto end = std::chrono::high_resolution_clock::now();\n    std::chrono::duration&lt;double, std::milli&gt; duration = end - start;\n    return duration.count();\n}<\/pre>\n\n\n\n<p>\u5b9f\u969b\u306e\u6e2c\u5b9a\u7d50\u679c\u306e\u4f8b\uff08100\u4e07\u56de\u306e\u547c\u3073\u51fa\u3057\uff09\uff1a<\/p>\n\n\n<div id=\"id-7b3d4f7f-4094-4367-8b38-25a1b1a6e322\">\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u95a2\u6570\u30bf\u30a4\u30d7<\/th><th>\u5b9f\u884c\u6642\u9593(ms)<\/th><th>\u76f8\u5bfe\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9<\/th><\/tr><\/thead><tbody><tr><td>\u901a\u5e38\u95a2\u6570<\/td><td>0.85<\/td><td>1.0x<\/td><\/tr><tr><td>\u4eee\u60f3\u95a2\u6570<\/td><td>1.23<\/td><td>1.45x<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n<p>\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u304c\u767a\u751f\u3059\u308b\u4e3b\u306a\u7406\u7531\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>vtable\u30eb\u30c3\u30af\u30a2\u30c3\u30d7\u306e\u30b3\u30b9\u30c8<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30dd\u30a4\u30f3\u30bf\u306e\u9593\u63a5\u53c2\u7167\u304c\u5fc5\u8981<\/li>\n\n\n\n<li>\u30ad\u30e3\u30c3\u30b7\u30e5\u30df\u30b9\u306e\u53ef\u80fd\u6027<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30a4\u30f3\u30e9\u30a4\u30f3\u5316\u306e\u5236\u9650<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30b3\u30f3\u30d1\u30a4\u30e9\u306e\u6700\u9069\u5316\u304c\u5236\u9650\u3055\u308c\u308b<\/li>\n\n\n\n<li>\u95a2\u6570\u547c\u3073\u51fa\u3057\u306e\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u304c\u5fc5\u9808<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-5\">\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u3078\u306e\u5f71\u97ff\u3068\u6700\u9069\u5316\u30c6\u30af\u30cb\u30c3\u30af<\/h3>\n\n\n\n<p>virtual\u30ad\u30fc\u30ef\u30fc\u30c9\u306e\u4f7f\u7528\u306f\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u306b\u3082\u5f71\u97ff\u3092\u4e0e\u3048\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\u4f7f\u7528\u91cf\u306e\u6bd4\u8f03\n#include &lt;iostream&gt;\n\nclass NormalBase {\n    int data;\npublic:\n    int getData() { return data; }\n};\n\nclass VirtualBase {\n    int data;\npublic:\n    virtual int getData() { return data; }\n    virtual ~VirtualBase() {}\n};\n\nint main() {\n    std::cout &lt;&lt; \"NormalBase size: \" &lt;&lt; sizeof(NormalBase) &lt;&lt; \" bytes\\n\";\n    std::cout &lt;&lt; \"VirtualBase size: \" &lt;&lt; sizeof(VirtualBase) &lt;&lt; \" bytes\\n\";\n    return 0;\n}<\/pre>\n\n\n\n<p>\u4e00\u822c\u7684\u306a\u5b9f\u884c\u7d50\u679c\uff0864\u30d3\u30c3\u30c8\u30b7\u30b9\u30c6\u30e0\uff09\uff1a<\/p>\n\n\n<div id=\"id-ea14919d-7f8b-4345-8c45-74dea7cf9333\">\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u30af\u30e9\u30b9\u30bf\u30a4\u30d7<\/th><th>\u30b5\u30a4\u30ba(\u30d0\u30a4\u30c8)<\/th><th>\u8ffd\u52a0\u30e1\u30e2\u30ea<\/th><\/tr><\/thead><tbody><tr><td>\u901a\u5e38\u30af\u30e9\u30b9<\/td><td>4<\/td><td>\u2013<\/td><\/tr><tr><td>\u4eee\u60f3\u30af\u30e9\u30b9<\/td><td>16<\/td><td>+12<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n<p>\u6700\u9069\u5316\u30c6\u30af\u30cb\u30c3\u30af\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u4eee\u60f3\u95a2\u6570\u306e\u4f7f\u7528\u3092\u6700\u5c0f\u9650\u306b<\/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 OptimizedBase {\npublic:\n    \/\/ \u983b\u7e41\u306b\u547c\u3073\u51fa\u3055\u308c\u308b\u975e\u4eee\u60f3\u95a2\u6570\n    inline int fastOperation() { return commonCalculation(); }\n\n    \/\/ \u672c\u5f53\u306b\u5fc5\u8981\u306a\u5834\u5408\u306e\u307f\u4eee\u60f3\u95a2\u6570\u3092\u4f7f\u7528\n    virtual void rareOperation() = 0;\n\nprotected:\n    \/\/ \u5171\u901a\u306e\u5b9f\u88c5\u306f\u975e\u4eee\u60f3\u306e\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u95a2\u6570\u3068\u3057\u3066\u5b9a\u7fa9\n    int commonCalculation() { return 42; }\n};<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>Empty Base Optimization (EBO)\u306e\u6d3b\u7528<\/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=\"\">\/\/ EBO\u3092\u6d3b\u7528\u3057\u305f\u6700\u9069\u5316\u4f8b\ntemplate&lt;typename Interface&gt;\nclass OptimizedImplementation : public Interface {\n    \/\/ \u5b9f\u88c5\n};<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li>\u30c7\u30fc\u30bf\u6307\u5411\u8a2d\u8a08\u306e\u63a1\u7528<\/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=\"\">\/\/ \u4eee\u60f3\u95a2\u6570\u306e\u4ee3\u308f\u308a\u306b\u30c7\u30fc\u30bf\u99c6\u52d5\u30a2\u30d7\u30ed\u30fc\u30c1\u3092\u4f7f\u7528\nstruct Behavior {\n    using CalculationFunc = int(*)(int);\n    CalculationFunc calc;\n};\n\nclass OptimizedClass {\n    Behavior* behavior;\npublic:\n    int calculate(int x) { return behavior-&gt;calc(x); }\n};<\/pre>\n\n\n\n<p>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30db\u30c3\u30c8\u30d1\u30b9\u3067\u306e\u4eee\u60f3\u95a2\u6570\u4f7f\u7528\u3092\u907f\u3051\u308b<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30d7\u30ed\u30d5\u30a1\u30a4\u30ea\u30f3\u30b0\u3067\u983b\u7e41\u306b\u547c\u3073\u51fa\u3055\u308c\u308b\u7b87\u6240\u3092\u7279\u5b9a<\/li>\n\n\n\n<li>\u4ee3\u66ff\u8a2d\u8a08\u30d1\u30bf\u30fc\u30f3\u306e\u691c\u8a0e<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u9069\u5207\u306a\u30e1\u30e2\u30ea\u30a2\u30e9\u30a4\u30e1\u30f3\u30c8<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30c7\u30fc\u30bf\u30e1\u30f3\u30d0\u306e\u914d\u7f6e\u3092\u6700\u9069\u5316<\/li>\n\n\n\n<li>\u30d1\u30c7\u30a3\u30f3\u30b0\u306e\u6700\u5c0f\u5316<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30ad\u30e3\u30c3\u30b7\u30e5\u52b9\u7387\u306e\u8003\u616e<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30c7\u30fc\u30bf\u306e\u5c40\u6240\u6027\u3092\u7dad\u6301<\/li>\n\n\n\n<li>\u95a2\u9023\u3059\u308bvtable\u30a8\u30f3\u30c8\u30ea\u306e\u8fd1\u63a5\u914d\u7f6e<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u5f71\u97ff\u3092\u7406\u89e3\u3057\u305f\u4e0a\u3067\u3001\u8a2d\u8a08\u4e0a\u306e\u5229\u70b9\u3068\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u30c8\u30ec\u30fc\u30c9\u30aa\u30d5\u3092\u9069\u5207\u306b\u5224\u65ad\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-6\">\u5b9f\u8df5\u7684\u306avirtual\u95a2\u6570\u306e\u4f7f\u3044\u65b9<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-7\">\u7d14\u7c8b\u4eee\u60f3\u95a2\u6570\u3068\u901a\u5e38\u306e\u4eee\u60f3\u95a2\u6570\u306e\u4f7f\u7528<\/h3>\n\n\n\n<p>\u7d14\u7c8b\u4eee\u60f3\u95a2\u6570\u3068\u901a\u5e38\u306e\u4eee\u60f3\u95a2\u6570\u306f\u3001\u7570\u306a\u308b\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u3067\u4f7f\u7528\u3055\u308c\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=\"\">class Interface {\npublic:\n    \/\/ \u7d14\u7c8b\u4eee\u60f3\u95a2\u6570: \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u5b9a\u7fa9\n    virtual void mustImplement() = 0;\n\n    \/\/ \u901a\u5e38\u306e\u4eee\u60f3\u95a2\u6570: \u30c7\u30d5\u30a9\u30eb\u30c8\u5b9f\u88c5\u306e\u63d0\u4f9b\n    virtual void canOverride() {\n        std::cout &lt;&lt; \"Default implementation\" &lt;&lt; std::endl;\n    }\n\n    virtual ~Interface() = default;\n};\n\nclass Implementation : public Interface {\npublic:\n    \/\/ \u7d14\u7c8b\u4eee\u60f3\u95a2\u6570\u306e\u5b9f\u88c5\u306f\u5fc5\u9808\n    void mustImplement() override {\n        std::cout &lt;&lt; \"Implemented required method\" &lt;&lt; std::endl;\n    }\n\n    \/\/ \u30c7\u30d5\u30a9\u30eb\u30c8\u5b9f\u88c5\u306e\u4e0a\u66f8\u304d\u306f\u4efb\u610f\n    void canOverride() override {\n        std::cout &lt;&lt; \"Custom implementation\" &lt;&lt; std::endl;\n    }\n};<\/pre>\n\n\n\n<p>\u4f7f\u3044\u5206\u3051\u306e\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u7d14\u7c8b\u4eee\u60f3\u95a2\u6570\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u5b9a\u7fa9\u3059\u308b<\/li>\n\n\n\n<li>\u5b9f\u88c5\u306e\u5f37\u5236\u304c\u5fc5\u8981<\/li>\n\n\n\n<li>\u30c7\u30d5\u30a9\u30eb\u30c8\u5b9f\u88c5\u304c\u610f\u5473\u3092\u306a\u3055\u306a\u3044<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u901a\u5e38\u306e\u4eee\u60f3\u95a2\u6570\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5171\u901a\u306e\u5b9f\u88c5\u304c\u5b58\u5728\u3059\u308b<\/li>\n\n\n\n<li>\u30aa\u30d7\u30b7\u30e7\u30ca\u30eb\u306a\u30ab\u30b9\u30bf\u30de\u30a4\u30ba<\/li>\n\n\n\n<li>\u6bb5\u968e\u7684\u306a\u5b9f\u88c5\u306e\u5909\u66f4<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-8\">\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u3092\u4eee\u60f3\u306b\u3059\u3079\u304d\u5834\u5408\u306e\u5224\u65ad\u57fa\u6e96<\/h3>\n\n\n\n<p>\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u306e\u4eee\u60f3\u5316\u306f\u91cd\u8981\u306a\u8a2d\u8a08\u5224\u65ad\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=\"\">\/\/ \u554f\u984c\u306e\u3042\u308b\u4f8b\nclass Resource {\npublic:\n    ~Resource() { cleanup(); }  \/\/ \u975e\u4eee\u60f3\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\nprotected:\n    virtual void cleanup() { \/* \u30ea\u30bd\u30fc\u30b9\u89e3\u653e *\/ }\n};\n\nclass SpecialResource : public Resource {\nprivate:\n    void* additionalResource;\npublic:\n    SpecialResource() : additionalResource(malloc(1000)) {}\n    void cleanup() override {\n        free(additionalResource);\n        \/\/ \u57fa\u5e95\u30af\u30e9\u30b9\u306ecleanup\u304c\u547c\u3070\u308c\u306a\u3044\u53ef\u80fd\u6027\n    }\n};\n\n\/\/ \u6b63\u3057\u3044\u5b9f\u88c5\nclass Resource {\npublic:\n    virtual ~Resource() { cleanup(); }  \/\/ \u4eee\u60f3\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\nprotected:\n    virtual void cleanup() { \/* \u30ea\u30bd\u30fc\u30b9\u89e3\u653e *\/ }\n};<\/pre>\n\n\n\n<p>\u4eee\u60f3\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u304c\u5fc5\u8981\u306a\u72b6\u6cc1\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u7d99\u627f\u3092\u524d\u63d0\u3068\u3057\u305f\u30af\u30e9\u30b9<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30dd\u30ea\u30e2\u30fc\u30d5\u30a3\u30c3\u30af\u306a\u4f7f\u7528\u304c\u60f3\u5b9a\u3055\u308c\u308b<\/li>\n\n\n\n<li>\u57fa\u5e95\u30af\u30e9\u30b9\u30dd\u30a4\u30f3\u30bf\u306b\u3088\u308b\u524a\u9664<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30ea\u30bd\u30fc\u30b9\u7ba1\u7406\u3092\u884c\u3046\u30af\u30e9\u30b9<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>RAII \u30d1\u30bf\u30fc\u30f3\u306e\u5b9f\u88c5<\/li>\n\n\n\n<li>\u30ab\u30b9\u30bf\u30e0\u30e1\u30e2\u30ea\u7ba1\u7406<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30d7\u30e9\u30b0\u30a4\u30f3\u3084\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u52d5\u7684\u30ed\u30fc\u30c7\u30a3\u30f3\u30b0<\/li>\n\n\n\n<li>\u5916\u90e8\u5b9f\u88c5\u306e\u7d71\u5408<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-9\">\u4eee\u60f3\u95a2\u6570\u306e\u30aa\u30fc\u30d0\u30fc\u30e9\u30a4\u30c9\u6642\u306e\u6ce8\u610f\u70b9<\/h3>\n\n\n\n<p>\u30aa\u30fc\u30d0\u30fc\u30e9\u30a4\u30c9\u5b9f\u88c5\u6642\u306e\u91cd\u8981\u306a\u8003\u616e\u70b9\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 Base {\npublic:\n    virtual int calculate(int x = 10) {\n        return x * 2;\n    }\n\n    virtual void process(std::vector&lt;int&gt;&amp; data) {\n        \/\/ \u57fa\u5e95\u30af\u30e9\u30b9\u306e\u51e6\u7406\n    }\n\n    virtual ~Base() = default;\n};\n\nclass Derived : public Base {\npublic:\n    \/\/ \u30c7\u30d5\u30a9\u30eb\u30c8\u5f15\u6570\u306e\u6ce8\u610f\u70b9\n    int calculate(int x = 20) override {  \/\/ \u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u306f\u57fa\u5e95\u30af\u30e9\u30b9\u304c\u512a\u5148\n        return x * 3;\n    }\n\n    \/\/ \u4f8b\u5916\u4ed5\u69d8\u306e\u4e92\u63db\u6027\n    void process(std::vector&lt;int&gt;&amp; data) noexcept override {\n        \/\/ \u3088\u308a\u5236\u7d04\u306e\u5f37\u3044\u4f8b\u5916\u4ed5\u69d8\u306f OK\n    }\n\n    \/\/ \u623b\u308a\u5024\u306e\u5171\u5909\u6027\n    virtual Derived* clone() override {  \/\/ Base*\u304b\u3089Derived*\u306b\u5909\u66f4\u53ef\u80fd\n        return new Derived(*this);\n    }\n};<\/pre>\n\n\n\n<p>\u5b9f\u88c5\u4e0a\u306e\u6ce8\u610f\u70b9\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30b7\u30b0\u30cd\u30c1\u30e3\u306e\u5b8c\u5168\u4e00\u81f4<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u578b<\/li>\n\n\n\n<li>const\u4fee\u98fe\u5b50<\/li>\n\n\n\n<li>\u53c2\u7167\u4fee\u98fe\u5b50<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30a2\u30af\u30bb\u30b9\u5236\u5fa1<\/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 Base {\nprotected:\n    virtual void internalProcess() {}\npublic:\n    void process() {\n        internalProcess();  \/\/ \u5185\u90e8\u5b9f\u88c5\u3068\u3057\u3066\u4f7f\u7528\n    }\n};\n\nclass Derived : public Base {\npublic:\n    \/\/ \u30a8\u30e9\u30fc: \u30a2\u30af\u30bb\u30b9\u6a29\u9650\u3092\u7de9\u3081\u308b\u3053\u3068\u306f\u3067\u304d\u306a\u3044\n    \/\/ void internalProcess() override {}\nprotected:\n    void internalProcess() override {}  \/\/ OK\n};<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li>override\u6307\u5b9a\u5b50\u306e\u6d3b\u7528<\/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 Modern {\npublic:\n    virtual void method() {}\n    virtual void constMethod() const {}\n};\n\nclass Derived : public Modern {\n    void method() override {}          \/\/ OK\n    \/\/ void Method() override {}       \/\/ \u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc\uff08\u5927\u6587\u5b57\u5c0f\u6587\u5b57\u306e\u9055\u3044\uff09\n    \/\/ void constMethod() override {}  \/\/ \u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc\uff08const\u4fee\u98fe\u5b50\u306e\u6b20\u843d\uff09\n};<\/pre>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u6ce8\u610f\u70b9\u3092\u628a\u63e1\u3057\u3001\u9069\u5207\u306b\u5b9f\u88c5\u3059\u308b\u3053\u3068\u3067\u3001\u4fdd\u5b88\u6027\u306e\u9ad8\u3044\u4eee\u60f3\u95a2\u6570\u306e\u5b9f\u88c5\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-10\">virtual\u3092\u6d3b\u7528\u3057\u305f\u8a2d\u8a08\u30d1\u30bf\u30fc\u30f37\u9078<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-11\">\u6226\u7565\u30d1\u30bf\u30fc\u30f3\u306b\u3088\u308b\u884c\u52d5\u306e\u8ee2\u63db<\/h3>\n\n\n\n<p>\u6226\u7565\u30d1\u30bf\u30fc\u30f3\u306f\u3001\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306e\u65cf\u3092\u5b9a\u7fa9\u3057\u3001\u305d\u308c\u305e\u308c\u3092\u30ab\u30d7\u30bb\u30eb\u5316\u3057\u3066\u4ea4\u63db\u53ef\u80fd\u306b\u3059\u308b\u30d1\u30bf\u30fc\u30f3\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=\"\">\/\/ \u6226\u7565\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\nclass SortStrategy {\npublic:\n    virtual void sort(std::vector&lt;int&gt;&amp; data) = 0;\n    virtual ~SortStrategy() = default;\n};\n\n\/\/ \u5177\u4f53\u7684\u306a\u6226\u7565\u306e\u5b9f\u88c5\nclass QuickSort : public SortStrategy {\npublic:\n    void sort(std::vector&lt;int&gt;&amp; data) override {\n        std::cout &lt;&lt; \"Performing QuickSort\" &lt;&lt; std::endl;\n        \/\/ \u30af\u30a4\u30c3\u30af\u30bd\u30fc\u30c8\u306e\u5b9f\u88c5\n    }\n};\n\nclass MergeSort : public SortStrategy {\npublic:\n    void sort(std::vector&lt;int&gt;&amp; data) override {\n        std::cout &lt;&lt; \"Performing MergeSort\" &lt;&lt; std::endl;\n        \/\/ \u30de\u30fc\u30b8\u30bd\u30fc\u30c8\u306e\u5b9f\u88c5\n    }\n};\n\n\/\/ \u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u30af\u30e9\u30b9\nclass Sorter {\n    std::unique_ptr&lt;SortStrategy&gt; strategy;\npublic:\n    Sorter(std::unique_ptr&lt;SortStrategy&gt; s) : strategy(std::move(s)) {}\n\n    void setStrategy(std::unique_ptr&lt;SortStrategy&gt; s) {\n        strategy = std::move(s);\n    }\n\n    void performSort(std::vector&lt;int&gt;&amp; data) {\n        strategy-&gt;sort(data);\n    }\n};<\/pre>\n\n\n\n<p>\u4f7f\u7528\u4f8b\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=\"\">std::vector&lt;int&gt; data = {5, 2, 8, 1, 9};\nSorter sorter(std::make_unique&lt;QuickSort&gt;());\nsorter.performSort(data);  \/\/ QuickSort\u3092\u4f7f\u7528\n\n\/\/ \u6226\u7565\u306e\u52d5\u7684\u5207\u308a\u66ff\u3048\nsorter.setStrategy(std::make_unique&lt;MergeSort&gt;());\nsorter.performSort(data);  \/\/ MergeSort\u3092\u4f7f\u7528<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-12\">\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u30e1\u30bd\u30c3\u30c9\u30d1\u30bf\u30fc\u30f3\u306b\u3088\u308b\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306e\u62bd\u8c61\u5316<\/h3>\n\n\n\n<p>\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u30e1\u30bd\u30c3\u30c9\u30d1\u30bf\u30fc\u30f3\u306f\u3001\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306e\u9aa8\u683c\u3092\u5b9a\u7fa9\u3057\u3001\u4e00\u90e8\u306e\u30b9\u30c6\u30c3\u30d7\u3092\u6d3e\u751f\u30af\u30e9\u30b9\u3067\u5b9f\u88c5\u53ef\u80fd\u306b\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=\"\">\/\/ \u30c7\u30fc\u30bf\u51e6\u7406\u306e\u57fa\u5e95\u30af\u30e9\u30b9\nclass DataProcessor {\npublic:\n    \/\/ \u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u30e1\u30bd\u30c3\u30c9\n    void processData() {\n        openFile();\n        while (hasNextChunk()) {\n            auto chunk = readChunk();\n            processChunk(chunk);\n        }\n        closeFile();\n    }\n\n    virtual ~DataProcessor() = default;\n\nprotected:\n    \/\/ \u30d5\u30c3\u30af\u64cd\u4f5c\uff08\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u30aa\u30fc\u30d0\u30fc\u30e9\u30a4\u30c9\u53ef\u80fd\uff09\n    virtual void openFile() {\n        std::cout &lt;&lt; \"Opening file\" &lt;&lt; std::endl;\n    }\n\n    \/\/ \u7d14\u7c8b\u4eee\u60f3\u95a2\u6570\uff08\u5fc5\u9808\u3067\u30aa\u30fc\u30d0\u30fc\u30e9\u30a4\u30c9\uff09\n    virtual bool hasNextChunk() = 0;\n    virtual std::vector&lt;char&gt; readChunk() = 0;\n    virtual void processChunk(const std::vector&lt;char&gt;&amp; chunk) = 0;\n\n    virtual void closeFile() {\n        std::cout &lt;&lt; \"Closing file\" &lt;&lt; std::endl;\n    }\n};\n\n\/\/ \u5177\u4f53\u7684\u306a\u5b9f\u88c5\nclass CSVProcessor : public DataProcessor {\n    std::ifstream file;\n\nprotected:\n    void openFile() override {\n        DataProcessor::openFile();  \/\/ \u57fa\u5e95\u30af\u30e9\u30b9\u306e\u51e6\u7406\u3092\u547c\u3073\u51fa\u3057\n        file.open(\"data.csv\");\n    }\n\n    bool hasNextChunk() override {\n        return !file.eof();\n    }\n\n    std::vector&lt;char&gt; readChunk() override {\n        std::vector&lt;char&gt; buffer(1024);\n        file.read(buffer.data(), buffer.size());\n        return buffer;\n    }\n\n    void processChunk(const std::vector&lt;char&gt;&amp; chunk) override {\n        \/\/ CSV\u7279\u6709\u306e\u51e6\u7406\n    }\n\n    void closeFile() override {\n        file.close();\n        DataProcessor::closeFile();\n    }\n};<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-13\">\u30aa\u30d6\u30b6\u30fc\u30d0\u30fc\u30d1\u30bf\u30fc\u30f3\u306b\u3088\u308b\u30a4\u30d9\u30f3\u30c8\u901a\u77e5\u306e\u5b9f\u88c5<\/h3>\n\n\n\n<p>\u30aa\u30d6\u30b6\u30fc\u30d0\u30fc\u30d1\u30bf\u30fc\u30f3\u306f\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u9593\u306e1\u5bfe\u591a\u306e\u4f9d\u5b58\u95a2\u4fc2\u3092\u5b9a\u7fa9\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=\"\">\/\/ \u30aa\u30d6\u30b6\u30fc\u30d0\u30fc\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\nclass Observer {\npublic:\n    virtual void update(const std::string&amp; message) = 0;\n    virtual ~Observer() = default;\n};\n\n\/\/ \u30b5\u30d6\u30b8\u30a7\u30af\u30c8\uff08\u89b3\u5bdf\u5bfe\u8c61\uff09\nclass Subject {\n    std::vector&lt;Observer*&gt; observers;\npublic:\n    virtual void attach(Observer* observer) {\n        observers.push_back(observer);\n    }\n\n    virtual void detach(Observer* observer) {\n        observers.erase(\n            std::remove(observers.begin(), observers.end(), observer),\n            observers.end()\n        );\n    }\n\n    virtual void notify(const std::string&amp; message) {\n        for (auto observer : observers) {\n            observer-&gt;update(message);\n        }\n    }\n\n    virtual ~Subject() = default;\n};\n\n\/\/ \u5177\u4f53\u7684\u306a\u30aa\u30d6\u30b6\u30fc\u30d0\u30fc\nclass LogObserver : public Observer {\n    std::string name;\npublic:\n    LogObserver(const std::string&amp; n) : name(n) {}\n\n    void update(const std::string&amp; message) override {\n        std::cout &lt;&lt; name &lt;&lt; \" received: \" &lt;&lt; message &lt;&lt; std::endl;\n    }\n};<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-14\">\u305d\u306e\u4ed6\u5b9f\u7528\u7684\u306a4\u3064\u306e\u30d1\u30bf\u30fc\u30f3\u3068\u5b9f\u88c5\u4f8b<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30d5\u30a1\u30af\u30c8\u30ea\u30e1\u30bd\u30c3\u30c9\u30d1\u30bf\u30fc\u30f3\uff1a<\/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 Product {\npublic:\n    virtual void operation() = 0;\n    virtual ~Product() = default;\n};\n\nclass Creator {\npublic:\n    virtual std::unique_ptr&lt;Product&gt; createProduct() = 0;\n    virtual ~Creator() = default;\n};\n\nclass ConcreteProduct : public Product {\npublic:\n    void operation() override {\n        std::cout &lt;&lt; \"ConcreteProduct operation\" &lt;&lt; std::endl;\n    }\n};\n\nclass ConcreteCreator : public Creator {\npublic:\n    std::unique_ptr&lt;Product&gt; createProduct() override {\n        return std::make_unique&lt;ConcreteProduct&gt;();\n    }\n};<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>\u30b9\u30c6\u30fc\u30c8\u30d1\u30bf\u30fc\u30f3\uff1a<\/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 State {\npublic:\n    virtual void handle() = 0;\n    virtual ~State() = default;\n};\n\nclass Context {\n    std::unique_ptr&lt;State&gt; state;\npublic:\n    void setState(std::unique_ptr&lt;State&gt; s) {\n        state = std::move(s);\n    }\n\n    void request() {\n        state-&gt;handle();\n    }\n};<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li>\u30d3\u30b8\u30bf\u30fc\u30d1\u30bf\u30fc\u30f3\uff1a<\/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 Element;\nclass ConcreteElementA;\nclass ConcreteElementB;\n\nclass Visitor {\npublic:\n    virtual void visitElementA(ConcreteElementA* element) = 0;\n    virtual void visitElementB(ConcreteElementB* element) = 0;\n    virtual ~Visitor() = default;\n};\n\nclass Element {\npublic:\n    virtual void accept(Visitor* visitor) = 0;\n    virtual ~Element() = default;\n};\n\nclass ConcreteElementA : public Element {\npublic:\n    void accept(Visitor* visitor) override {\n        visitor-&gt;visitElementA(this);\n    }\n};\n\nclass ConcreteElementB : public Element {\npublic:\n    void accept(Visitor* visitor) override {\n        visitor-&gt;visitElementB(this);\n    }\n};<\/pre>\n\n\n\n<ol start=\"4\" class=\"wp-block-list\">\n<li>\u30d6\u30ea\u30c3\u30b8\u30d1\u30bf\u30fc\u30f3\uff1a<\/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=\"\">\/\/ \u5b9f\u88c5\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\nclass Implementation {\npublic:\n    virtual void operationImpl() = 0;\n    virtual ~Implementation() = default;\n};\n\n\/\/ \u62bd\u8c61\u5316\nclass Abstraction {\nprotected:\n    std::unique_ptr&lt;Implementation&gt; impl;\npublic:\n    Abstraction(std::unique_ptr&lt;Implementation&gt; i) : impl(std::move(i)) {}\n\n    virtual void operation() {\n        impl-&gt;operationImpl();\n    }\n\n    virtual ~Abstraction() = default;\n};\n\n\/\/ \u5177\u4f53\u7684\u306a\u5b9f\u88c5\nclass ConcreteImplementationA : public Implementation {\npublic:\n    void operationImpl() override {\n        std::cout &lt;&lt; \"ConcreteImplementationA\" &lt;&lt; std::endl;\n    }\n};\n\n\/\/ \u6539\u826f\u3055\u308c\u305f\u62bd\u8c61\u5316\nclass RefinedAbstraction : public Abstraction {\npublic:\n    using Abstraction::Abstraction;  \/\/ \u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306e\u7d99\u627f\n\n    void operation() override {\n        std::cout &lt;&lt; \"Refined operation\" &lt;&lt; std::endl;\n        impl-&gt;operationImpl();\n    }\n};<\/pre>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u8a2d\u8a08\u30d1\u30bf\u30fc\u30f3\u306f\u3001virtual\u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u67d4\u8edf\u3067\u62e1\u5f35\u6027\u306e\u9ad8\u3044\u30b3\u30fc\u30c9\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002\u5404\u30d1\u30bf\u30fc\u30f3\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u72b6\u6cc1\u3067\u7279\u306b\u6709\u52b9\u3067\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6226\u7565\u30d1\u30bf\u30fc\u30f3\uff1a\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306e\u52d5\u7684\u306a\u5207\u308a\u66ff\u3048\u304c\u5fc5\u8981\u306a\u5834\u5408<\/li>\n\n\n\n<li>\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u30e1\u30bd\u30c3\u30c9\uff1a\u5171\u901a\u306e\u51e6\u7406\u30d5\u30ed\u30fc\u306b\u7570\u306a\u308b\u5b9f\u88c5\u3092\u7d44\u307f\u8fbc\u3080\u5834\u5408<\/li>\n\n\n\n<li>\u30aa\u30d6\u30b6\u30fc\u30d0\u30fc\uff1a\u30a4\u30d9\u30f3\u30c8\u99c6\u52d5\u578b\u306e\u51e6\u7406\u304c\u5fc5\u8981\u306a\u5834\u5408<\/li>\n\n\n\n<li>\u30d5\u30a1\u30af\u30c8\u30ea\u30e1\u30bd\u30c3\u30c9\uff1a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u751f\u6210\u306e\u67d4\u8edf\u6027\u304c\u5fc5\u8981\u306a\u5834\u5408<\/li>\n\n\n\n<li>\u30b9\u30c6\u30fc\u30c8\uff1a\u72b6\u614b\u306b\u5fdc\u3058\u3066\u632f\u308b\u821e\u3044\u3092\u5909\u66f4\u3059\u308b\u5834\u5408<\/li>\n\n\n\n<li>\u30d3\u30b8\u30bf\u30fc\uff1a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u69cb\u9020\u3092\u5206\u96e2\u3057\u3066\u64cd\u4f5c\u3059\u308b\u5834\u5408<\/li>\n\n\n\n<li>\u30d6\u30ea\u30c3\u30b8\uff1a\u62bd\u8c61\u5316\u3068\u5b9f\u88c5\u3092\u5206\u96e2\u3059\u308b\u5834\u5408<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-15\">\u4eee\u60f3\u306e\u4f7f\u7528\u3092\u907f\u3051\u308b\u3079\u304d\u30b1\u30fc\u30b9<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-16\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u306a\u5834\u9762\u3067\u306e\u4ee3\u66ff\u624b\u6cd5<\/h3>\n\n\n\n<p>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u91cd\u8981\u306a\u5834\u9762\u3067\u306f\u3001virtual\u306e\u4f7f\u7528\u3092\u907f\u3051\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u4ee3\u66ff\u624b\u6cd5\u3092\u691c\u8a0e\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30b9\u30bf\u30c6\u30a3\u30c3\u30af\u30dd\u30ea\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\uff08CRTP\u30d1\u30bf\u30fc\u30f3\uff09\uff1a<\/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=\"\">\/\/ \u57fa\u5e95\u30af\u30e9\u30b9\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\ntemplate&lt;typename Derived&gt;\nclass Base {\npublic:\n    void interface() {\n        \/\/ \u6d3e\u751f\u30af\u30e9\u30b9\u306e\u5b9f\u88c5\u3092\u9759\u7684\u306b\u547c\u3073\u51fa\u3057\n        static_cast&lt;Derived*&gt;(this)-&gt;implementation();\n    }\n\n    \/\/ \u30c7\u30d5\u30a9\u30eb\u30c8\u5b9f\u88c5\n    void implementation() {\n        std::cout &lt;&lt; \"Base implementation\" &lt;&lt; std::endl;\n    }\n};\n\n\/\/ \u6d3e\u751f\u30af\u30e9\u30b9\nclass Derived : public Base&lt;Derived&gt; {\npublic:\n    void implementation() {\n        std::cout &lt;&lt; \"Derived implementation\" &lt;&lt; std::endl;\n    }\n};<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>\u30bf\u30a4\u30d7\u30a4\u30ec\u30a4\u30b8\u30e3\u30fc\u30d1\u30bf\u30fc\u30f3\uff1a<\/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=\"\">#include &lt;memory&gt;\n#include &lt;type_traits&gt;\n\n\/\/ \u578b\u6d88\u53bb\u306e\u305f\u3081\u306e\u57fa\u5e95\u30af\u30e9\u30b9\nclass Callable {\npublic:\n    virtual void call() = 0;\n    virtual ~Callable() = default;\n};\n\n\/\/ \u5177\u4f53\u7684\u306a\u5b9f\u88c5\u3092\u4fdd\u6301\u3059\u308b\u30e9\u30c3\u30d1\u30fc\ntemplate&lt;typename F&gt;\nclass CallableWrapper : public Callable {\n    F f;\npublic:\n    CallableWrapper(F&amp;&amp; func) : f(std::forward&lt;F&gt;(func)) {}\n\n    void call() override {\n        f();\n    }\n};\n\n\/\/ \u578b\u6d88\u53bb\u3092\u884c\u3046\u30af\u30e9\u30b9\nclass Function {\n    std::unique_ptr&lt;Callable&gt; callable;\npublic:\n    template&lt;typename F&gt;\n    Function(F&amp;&amp; f) \n        : callable(std::make_unique&lt;CallableWrapper&lt;std::decay_t&lt;F&gt;&gt;&gt;(\n            std::forward&lt;F&gt;(f))) {}\n\n    void operator()() {\n        callable-&gt;call();\n    }\n};<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li>\u30bf\u30b0\u30c7\u30a3\u30b9\u30d1\u30c3\u30c1\uff1a<\/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\u30f3\u30d1\u30a4\u30eb\u6642\u306e\u5206\u5c90\ntemplate&lt;typename T&gt;\nstruct ProcessorTag {\n    using type = typename std::conditional&lt;\n        std::is_integral&lt;T&gt;::value,\n        std::integral_constant&lt;int, 0&gt;,\n        typename std::conditional&lt;\n            std::is_floating_point&lt;T&gt;::value,\n            std::integral_constant&lt;int, 1&gt;,\n            std::integral_constant&lt;int, 2&gt;\n        &gt;::type\n    &gt;::type;\n};\n\ntemplate&lt;typename T&gt;\nvoid process(T value) {\n    process_impl(value, typename ProcessorTag&lt;T&gt;::type{});\n}\n\ntemplate&lt;typename T&gt;\nvoid process_impl(T value, std::integral_constant&lt;int, 0&gt;) {\n    std::cout &lt;&lt; \"Processing integral: \" &lt;&lt; value &lt;&lt; std::endl;\n}\n\ntemplate&lt;typename T&gt;\nvoid process_impl(T value, std::integral_constant&lt;int, 1&gt;) {\n    std::cout &lt;&lt; \"Processing floating point: \" &lt;&lt; value &lt;&lt; std::endl;\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-17\">\u8a2d\u8a08\u4e0avirtual\u304c\u30a2\u30f3\u30c1\u30d1\u30bf\u30fc\u30f3\u3068\u306a\u308b\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u69cb\u7bc9\u6642\u306e\u578b\u6c7a\u5b9a\u304c\u53ef\u80fd\u306a\u5834\u5408\uff1a<\/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=\"\">\/\/ \u30a2\u30f3\u30c1\u30d1\u30bf\u30fc\u30f3\nclass Device {\npublic:\n    virtual void initialize() = 0;\n};\n\n\/\/ \u671b\u307e\u3057\u3044\u5b9f\u88c5\ntemplate&lt;typename DeviceType&gt;\nclass Device {\npublic:\n    void initialize() {\n        DeviceType::init();\n    }\n};<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u91cd\u8996\u306e\u30c7\u30fc\u30bf\u69cb\u9020\uff1a<\/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=\"\">\/\/ \u30a2\u30f3\u30c1\u30d1\u30bf\u30fc\u30f3\uff1a\u4eee\u60f3\u95a2\u6570\u3092\u4f7f\u7528\u3057\u305f\u914d\u5217\u8981\u7d20\nclass ArrayElement {\npublic:\n    virtual double compute() = 0;\n};\n\n\/\/ \u671b\u307e\u3057\u3044\u5b9f\u88c5\uff1a\u30c7\u30fc\u30bf\u6307\u5411\u8a2d\u8a08\nstruct ElementData {\n    double value;\n    uint8_t type;\n};\n\nclass FastArray {\n    std::vector&lt;ElementData&gt; elements;\n\n    double compute(const ElementData&amp; elem) {\n        switch(elem.type) {\n            case 0: return elem.value * 2;\n            case 1: return elem.value * elem.value;\n            default: return elem.value;\n        }\n    }\n};<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li>\u5358\u4e00\u8cac\u52d9\u306e\u904e\u5ea6\u306a\u62bd\u8c61\u5316\uff1a<\/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=\"\">\/\/ \u30a2\u30f3\u30c1\u30d1\u30bf\u30fc\u30f3\uff1a\u904e\u5ea6\u306a\u62bd\u8c61\u5316\nclass IStringFormatter {\npublic:\n    virtual std::string format(const std::string&amp; str) = 0;\n};\n\n\/\/ \u671b\u307e\u3057\u3044\u5b9f\u88c5\uff1a\u95a2\u6570\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u4f7f\u7528\nusing StringFormatter = std::function&lt;std::string(const std::string&amp;)&gt;;\n\nclass TextProcessor {\n    StringFormatter formatter;\npublic:\n    TextProcessor(StringFormatter f) : formatter(std::move(f)) {}\n\n    std::string process(const std::string&amp; text) {\n        return formatter(text);\n    }\n};<\/pre>\n\n\n\n<p>\u4eee\u60f3\u95a2\u6570\u3092\u907f\u3051\u308b\u3079\u304d\u5177\u4f53\u7684\u306a\u72b6\u6cc1\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30db\u30c3\u30c8\u30d1\u30b9\u4e0a\u306e\u30b3\u30fc\u30c9<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30eb\u30fc\u30d7\u5185\u90e8\u306e\u51e6\u7406<\/li>\n\n\n\n<li>\u983b\u7e41\u306b\u547c\u3073\u51fa\u3055\u308c\u308b\u5c0f\u898f\u6a21\u306a\u95a2\u6570<\/li>\n\n\n\n<li>\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u51e6\u7406\u304c\u5fc5\u8981\u306a\u7b87\u6240<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30e1\u30e2\u30ea\u5236\u7d04\u306e\u53b3\u3057\u3044\u74b0\u5883<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7d44\u307f\u8fbc\u307f\u30b7\u30b9\u30c6\u30e0<\/li>\n\n\n\n<li>\u30ad\u30e3\u30c3\u30b7\u30e5\u30b5\u30a4\u30ba\u304c\u91cd\u8981\u306a\u51e6\u7406<\/li>\n\n\n\n<li>\u5927\u91cf\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u304c\u5fc5\u8981\u306a\u5834\u5408<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u306b\u578b\u304c\u78ba\u5b9a\u3059\u308b\u5834\u5408<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u3067\u5341\u5206\u306a\u5834\u5408<\/li>\n\n\n\n<li>\u9759\u7684\u306a\u578b\u30c1\u30a7\u30c3\u30af\u304c\u671b\u307e\u3057\u3044\u5834\u5408<\/li>\n\n\n\n<li>\u30e1\u30bf\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u304c\u9069\u7528\u53ef\u80fd\u306a\u5834\u5408<\/li>\n<\/ul>\n\n\n\n<p>\u4ee3\u66ff\u8a2d\u8a08\u30d1\u30bf\u30fc\u30f3\u306e\u9078\u629e\u57fa\u6e96\uff1a<\/p>\n\n\n<div id=\"id-4482966a-5806-4e7e-aca4-f351a4236198\">\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u72b6\u6cc1<\/th><th>\u63a8\u5968\u3055\u308c\u308b\u4ee3\u66ff\u624b\u6cd5<\/th><th>\u30e1\u30ea\u30c3\u30c8<\/th><\/tr><\/thead><tbody><tr><td>\u578b\u304c\u9759\u7684\u306b\u6c7a\u5b9a\u53ef\u80fd<\/td><td>CRTP<\/td><td>\u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u306e\u6700\u9069\u5316\u304c\u53ef\u80fd<\/td><\/tr><tr><td>\u95a2\u6570\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u5fc5\u8981\u6027<\/td><td>\u30bf\u30a4\u30d7\u30a4\u30ec\u30a4\u30b8\u30e3\u30fc<\/td><td>\u67d4\u8edf\u6027\u3068\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u4e21\u7acb<\/td><\/tr><tr><td>\u6761\u4ef6\u5206\u5c90\u304c\u9759\u7684<\/td><td>\u30bf\u30b0\u30c7\u30a3\u30b9\u30d1\u30c3\u30c1<\/td><td>\u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u306e\u5206\u5c90\u6700\u9069\u5316<\/td><\/tr><tr><td>\u30c7\u30fc\u30bf\u6307\u5411\u304c\u91cd\u8981<\/td><td>SOA\/DOD\u8a2d\u8a08<\/td><td>\u30ad\u30e3\u30c3\u30b7\u30e5\u52b9\u7387\u306e\u5411\u4e0a<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n<p>\u3053\u308c\u3089\u306e\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3092\u9069\u5207\u306b\u9069\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u4fdd\u5b88\u6027\u306e\u4e21\u7acb\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-18\">C++20\u4ee5\u964d\u306evirtual\u306e\u65b0\u6a5f\u80fd\u3068\u5c06\u6765\u5c55\u671b<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-19\">concepts\u6a5f\u80fd\u3068\u306e\u7d44\u307f\u5408\u308f\u305b\u306b\u3088\u308b\u578b\u5b89\u5168\u6027\u306e\u5411\u4e0a<\/h3>\n\n\n\n<p>C++20\u3067\u5c0e\u5165\u3055\u308c\u305fconcepts\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u4eee\u60f3\u95a2\u6570\u3092\u3088\u308a\u578b\u5b89\u5168\u306b\u6271\u3046\u3053\u3068\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\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;concepts&gt;\n\n\/\/ \u57fa\u672c\u7684\u306a\u64cd\u4f5c\u3092\u5b9a\u7fa9\u3059\u308bconcept\ntemplate&lt;typename T&gt;\nconcept Drawable = requires(T t) {\n    { t.draw() } -&gt; std::same_as&lt;void&gt;;\n    { t.resize(int{}, int{}) } -&gt; std::same_as&lt;void&gt;;\n};\n\n\/\/ concept\u3092\u4f7f\u7528\u3057\u305f\u57fa\u5e95\u30af\u30e9\u30b9\nclass Shape {\npublic:\n    template&lt;Drawable T&gt;\n    static void register_shape(T&amp;&amp; shape);\n\n    virtual void draw() = 0;\n    virtual void resize(int width, int height) = 0;\n    virtual ~Shape() = default;\n};\n\n\/\/ \u6d3e\u751f\u30af\u30e9\u30b9\u3067\u306econcepts\u306e\u6d3b\u7528\ntemplate&lt;Drawable T&gt;\nclass ShapeWrapper : public Shape {\n    T impl;\npublic:\n    ShapeWrapper(T&amp;&amp; t) : impl(std::forward&lt;T&gt;(t)) {}\n\n    void draw() override {\n        impl.draw();\n    }\n\n    void resize(int width, int height) override {\n        impl.resize(width, height);\n    }\n};<\/pre>\n\n\n\n<p>\u65b0\u3057\u3044\u6a5f\u80fd\u3092\u6d3b\u7528\u3057\u305f\u578b\u5b89\u5168\u6027\u306e\u5411\u4e0a\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u30c1\u30a7\u30c3\u30af\u306e\u5f37\u5316\uff1a<\/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=\"\">template&lt;typename T&gt;\nconcept Processable = requires(T t) {\n    { t.process() } -&gt; std::same_as&lt;void&gt;;\n    { t.validate() } -&gt; std::same_as&lt;bool&gt;;\n};\n\nclass ProcessorBase {\npublic:\n    virtual void execute() = 0;\n    virtual ~ProcessorBase() = default;\n};\n\ntemplate&lt;Processable T&gt;\nclass Processor : public ProcessorBase {\n    T processor;\npublic:\n    void execute() override {\n        if (processor.validate()) {\n            processor.process();\n        }\n    }\n};<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>\u3088\u308a\u53b3\u5bc6\u306a\u5236\u7d04\u306e\u5b9a\u7fa9\uff1a<\/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=\"\">template&lt;typename T&gt;\nconcept VirtualMethodCompatible = requires(T t) {\n    { std::is_base_of_v&lt;ProcessorBase, T&gt; } -&gt; std::same_as&lt;bool&gt;;\n    { std::is_destructible_v&lt;T&gt; } -&gt; std::same_as&lt;bool&gt;;\n};\n\ntemplate&lt;VirtualMethodCompatible T&gt;\nclass SafeProcessor {\n    std::unique_ptr&lt;T&gt; impl;\npublic:\n    template&lt;typename... Args&gt;\n    SafeProcessor(Args&amp;&amp;... args) \n        : impl(std::make_unique&lt;T&gt;(std::forward&lt;Args&gt;(args)...)) {}\n};<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-20\">\u30e2\u30b8\u30e5\u30fc\u30eb\u5316\u306b\u304a\u3051\u308b\u4eee\u60f3\u95a2\u6570\u306e\u6271\u3044\u65b9<\/h3>\n\n\n\n<p>C++20\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u30b7\u30b9\u30c6\u30e0\u306f\u3001\u4eee\u60f3\u95a2\u6570\u306e\u5b9f\u88c5\u3068\u4f7f\u7528\u65b9\u6cd5\u306b\u65b0\u3057\u3044\u53ef\u80fd\u6027\u3092\u3082\u305f\u3089\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=\"\">\/\/ graphics.ixx\nmodule;\n#include &lt;memory&gt;\n#include &lt;vector&gt;\n\nexport module graphics;\n\nexport class GraphicsObject {\npublic:\n    virtual void render() = 0;\n    virtual ~GraphicsObject() = default;\n};\n\nexport class GraphicsEngine {\n    std::vector&lt;std::unique_ptr&lt;GraphicsObject&gt;&gt; objects;\npublic:\n    void add_object(std::unique_ptr&lt;GraphicsObject&gt; obj);\n    void render_all();\n};\n\n\/\/ graphics_impl.cpp\nmodule graphics;\n\nvoid GraphicsEngine::add_object(std::unique_ptr&lt;GraphicsObject&gt; obj) {\n    objects.push_back(std::move(obj));\n}\n\nvoid GraphicsEngine::render_all() {\n    for (const auto&amp; obj : objects) {\n        obj-&gt;render();\n    }\n}<\/pre>\n\n\n\n<p>\u30e2\u30b8\u30e5\u30fc\u30eb\u5316\u306b\u3088\u308b\u5229\u70b9\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u660e\u78ba\u306a\u5206\u96e2\uff1a<\/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=\"\">\/\/ render_interface.ixx\nexport module render_interface;\n\nexport class IRenderTarget {\npublic:\n    virtual void prepare() = 0;\n    virtual void render() = 0;\n    virtual void cleanup() = 0;\n    virtual ~IRenderTarget() = default;\n};\n\n\/\/ concrete_renderer.ixx\nmodule;\n#include &lt;memory&gt;\n\nexport module concrete_renderer;\nimport render_interface;\n\nexport class OpenGLRenderer : public IRenderTarget {\npublic:\n    void prepare() override;\n    void render() override;\n    void cleanup() override;\n};<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>\u5b9f\u88c5\u306e\u96a0\u853d\u3068\u5206\u96e2\uff1a<\/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=\"\">\/\/ engine_module.ixx\nexport module engine;\nimport render_interface;\n\nexport class Engine {\n    class Impl;\n    std::unique_ptr&lt;Impl&gt; pImpl;\npublic:\n    Engine();\n    ~Engine();\n\n    void register_renderer(std::unique_ptr&lt;IRenderTarget&gt; renderer);\n    void start_rendering();\n};<\/pre>\n\n\n\n<p>\u5c06\u6765\u7684\u306a\u5c55\u671b\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30b3\u30eb\u30fc\u30c1\u30f3\u3068\u306e\u7d71\u5408<\/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 AsyncProcessor {\npublic:\n    virtual std::generator&lt;int&gt; process_stream() = 0;\n    virtual ~AsyncProcessor() = default;\n};\n\nclass StreamProcessor : public AsyncProcessor {\npublic:\n    std::generator&lt;int&gt; process_stream() override {\n        for (int i = 0; i &lt; 100; ++i) {\n            \/\/ \u91cd\u3044\u51e6\u7406\n            co_yield i;\n        }\n    }\n};<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>\u4e26\u5217\u51e6\u7406\u3068\u306e\u9023\u643a<\/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 ParallelTask {\npublic:\n    virtual std::future&lt;void&gt; execute() = 0;\n    virtual bool can_parallelize() const = 0;\n    virtual ~ParallelTask() = default;\n};\n\nclass ConcreteTask : public ParallelTask {\npublic:\n    std::future&lt;void&gt; execute() override {\n        return std::async(std::launch::async, [this]() {\n            \/\/ \u4e26\u5217\u51e6\u7406\u306e\u5b9f\u88c5\n        });\n    }\n\n    bool can_parallelize() const override {\n        return true;\n    }\n};<\/pre>\n\n\n\n<p>\u5c06\u6765\u7684\u306a\u6539\u5584\u306e\u53ef\u80fd\u6027\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u6700\u9069\u5316<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30b3\u30f3\u30d1\u30a4\u30e9\u306e\u6700\u9069\u5316\u80fd\u529b\u306e\u5411\u4e0a<\/li>\n\n\n\n<li>\u30c7\u30d0\u30a4\u30eb\u30bf\u30eb\u547c\u3073\u51fa\u3057\u306e\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u524a\u6e1b<\/li>\n\n\n\n<li>\u30ad\u30e3\u30c3\u30b7\u30e5\u52b9\u7387\u306e\u6539\u5584<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u8a00\u8a9e\u6a5f\u80fd\u306e\u62e1\u5f35<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3088\u308a\u67d4\u8edf\u306a\u7d99\u627f\u30e1\u30ab\u30cb\u30ba\u30e0<\/li>\n\n\n\n<li>\u52d5\u7684\u30c7\u30a3\u30b9\u30d1\u30c3\u30c1\u306e\u4ee3\u66ff\u624b\u6cd5<\/li>\n\n\n\n<li>\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u5b9a\u7fa9\u306e\u7c21\u7565\u5316<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30c4\u30fc\u30eb\u30b5\u30dd\u30fc\u30c8\u306e\u5f37\u5316<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4eee\u60f3\u95a2\u6570\u306e\u4f7f\u7528\u5206\u6790<\/li>\n\n\n\n<li>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u5f71\u97ff\u306e\u53ef\u8996\u5316<\/li>\n\n\n\n<li>\u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0\u30b5\u30dd\u30fc\u30c8<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u65b0\u6a5f\u80fd\u3068\u5c06\u6765\u306e\u5c55\u671b\u306b\u3088\u308a\u3001C++\u306b\u304a\u3051\u308b\u4eee\u60f3\u95a2\u6570\u306e\u4f7f\u7528\u306f\u3088\u308a\u5b89\u5168\u3067\u52b9\u7387\u7684\u306b\u306a\u308b\u3053\u3068\u304c\u671f\u5f85\u3055\u308c\u307e\u3059\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-1892","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\/1892","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=1892"}],"version-history":[{"count":1,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/posts\/1892\/revisions"}],"predecessor-version":[{"id":1893,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/posts\/1892\/revisions\/1893"}],"wp:attachment":[{"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1892"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1892"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1892"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}