{"id":2205,"date":"2025-03-24T08:48:00","date_gmt":"2025-03-23T23:48:00","guid":{"rendered":"https:\/\/dexall.co.jp\/articles\/?p=2205"},"modified":"2025-03-24T08:48:26","modified_gmt":"2025-03-23T23:48:26","slug":"c%e3%83%87%e3%82%b9%e3%83%88%e3%83%a9%e3%82%af%e3%82%bf%e5%ae%8c%e5%85%a8%e3%82%ac%e3%82%a4%e3%83%89%ef%bc%9a%e3%83%a1%e3%83%a2%e3%83%aa%e3%83%aa%e3%83%bc%e3%82%af%e5%af%be%e7%ad%96%e3%81%8b","status":"publish","type":"post","link":"https:\/\/dexall.co.jp\/articles\/?p=2205","title":{"rendered":"C++\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u5b8c\u5168\u30ac\u30a4\u30c9\uff1a\u30e1\u30e2\u30ea\u30ea\u30fc\u30af\u5bfe\u7b56\u304b\u3089\u5b9f\u8df5\u7684\u306a\u5b9f\u88c5\u30d1\u30bf\u30fc\u30f3\u307e\u3067\u89e3\u8aac"},"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\">\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u306e\u57fa\u790e\u77e5\u8b58\u3068\u305d\u306e\u91cd\u8981\u6027<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-1\">\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u304c\u5fc5\u8981\u306a\u7406\u7531\u3068\u30e1\u30e2\u30ea\u7ba1\u7406\u306b\u304a\u3051\u308b\u5f79\u5272<\/a>      <\/li>      <li>        <a href=\"#i-2\">\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u304c\u81ea\u52d5\u7684\u306b\u547c\u3073\u51fa\u3055\u308c\u308b\u30bf\u30a4\u30df\u30f3\u30b0<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-3\">\u6697\u9ed9\u306e\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u3068\u660e\u793a\u7684\u306a\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u306e\u9055\u3044<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-4\">\u6b63\u3057\u3044\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u306e\u5b9f\u88c5\u65b9\u6cd5<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-5\">\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u306e\u57fa\u672c\u7684\u306a\u66f8\u304d\u65b9\u3068\u6ce8\u610f\u70b9<\/a>      <\/li>      <li>        <a href=\"#i-6\">\u4eee\u60f3\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u3092\u4f7f\u7528\u3059\u3079\u304d\u5834\u5408\u3068\u305d\u306e\u7406\u7531<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-7\">\u4f8b\u5916\u5b89\u5168\u306a\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u306e\u653b\u7565\u30c6\u30af\u30cb\u30c3\u30af<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-8\">\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u306b\u95a2\u3059\u308b\u4e00\u822c\u7684\u306a\u843d\u3068\u3057\u7a74\u3068\u5bfe\u7b56<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-9\">\u30e1\u30e2\u30ea\u30ea\u30fc\u30af\u3092\u8e0f\u307e\u3048\u305f\u5178\u578b\u7684\u306a\u30df\u30b9<\/a>      <\/li>      <li>        <a href=\"#i-10\">\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u5185\u3067\u306e\u4f8b\u5916\u51e6\u7406\u306e\u554f\u984c<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-11\">\u5faa\u74b0\u53c2\u7167\u306b\u3088\u308b\u30e1\u30e2\u30ea\u30ea\u30fc\u30af\u306e\u963b\u6b62<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-12\">\u5b9f\u8df5\u7684\u306a\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u306e\u5b9f\u88c5\u30d1\u30bf\u30fc\u30f3<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-13\">RAII \u30d1\u30bf\u30fc\u30f3\u3092\u7528\u3044\u305f\u30ea\u30bd\u30fc\u30b9\u7ba1\u7406<\/a>      <\/li>      <li>        <a href=\"#i-14\">\u30b9\u30de\u30fc\u30c8\u30dd\u30a4\u30f3\u30bf\u3092\u6d3b\u7528\u3057\u305f\u30e1\u30e2\u30ea\u7ba1\u7406<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-15\">\u7d99\u627f\u95a2\u4fc2\u306b\u304a\u3051\u308b\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u306e\u9069\u5207\u306a\u8a2d\u8a08<\/a>      <\/li>    <\/ul>  <\/li>  <li class=\"last\">    <a href=\"#i-16\">\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-17\">\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u95a2\u9023\u306e\u4e00\u822c\u7684\u306a\u30d0\u30b0\u306e\u7279\u5b9a\u65b9\u6cd5<\/a>      <\/li>      <li>        <a href=\"#i-18\">\u30e1\u30e2\u30ea\u30ea\u30fc\u30af\u306e\u691c\u51fa\u3068\u30c7\u30d0\u30c3\u30b0\u624b\u6cd5<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-19\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u306e\u305f\u3081\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/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\">\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u306e\u57fa\u790e\u77e5\u8b58\u3068\u305d\u306e\u91cd\u8981\u6027<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-1\">\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u304c\u5fc5\u8981\u306a\u7406\u7531\u3068\u30e1\u30e2\u30ea\u7ba1\u7406\u306b\u304a\u3051\u308b\u5f79\u5272<\/h3>\n\n\n\n<p>C++\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306b\u304a\u3044\u3066\u3001\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\uff08~\u30af\u30e9\u30b9\u540d()\uff09\u306f\u6975\u3081\u3066\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u5358\u306a\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u7834\u68c4\u4ee5\u4e0a\u306e\u610f\u5473\u3092\u6301\u3061\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u5b89\u5168\u6027\u3068\u52b9\u7387\u6027\u3092\u78ba\u4fdd\u3059\u308b\u4e0a\u3067\u4e0d\u53ef\u6b20\u306a\u8981\u7d20\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u306e\u4e3b\u306a\u5f79\u5272\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30e1\u30e2\u30ea\u7ba1\u7406\u306e\u81ea\u52d5\u5316<\/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 MemoryManager {\nprivate:\n    int* data;  \/\/ \u52d5\u7684\u306b\u78ba\u4fdd\u3055\u308c\u308b\u30e1\u30e2\u30ea\npublic:\n    MemoryManager() : data(new int[1000]) {\n        \/\/ \u30e1\u30e2\u30ea\u306e\u521d\u671f\u5316\u51e6\u7406\n    }\n    ~MemoryManager() {\n        delete[] data;  \/\/ \u30e1\u30e2\u30ea\u306e\u81ea\u52d5\u89e3\u653e\n    }\n};<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>\u30b7\u30b9\u30c6\u30e0\u30ea\u30bd\u30fc\u30b9\u306e\u9069\u5207\u306a\u89e3\u653e<\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class FileHandler {\nprivate:\n    FILE* file;\npublic:\n    FileHandler(const char* filename) {\n        file = fopen(filename, \"r\");\n    }\n    ~FileHandler() {\n        if (file) {\n            fclose(file);  \/\/ \u30d5\u30a1\u30a4\u30eb\u30cf\u30f3\u30c9\u30eb\u306e\u81ea\u52d5\u30af\u30ed\u30fc\u30ba\n        }\n    }\n};<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-2\">\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u304c\u81ea\u52d5\u7684\u306b\u547c\u3073\u51fa\u3055\u308c\u308b\u30bf\u30a4\u30df\u30f3\u30b0<\/h3>\n\n\n\n<p>\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u306e\u547c\u3073\u51fa\u3057\u30bf\u30a4\u30df\u30f3\u30b0\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u306f\u3001\u52b9\u679c\u7684\u306a\u30ea\u30bd\u30fc\u30b9\u7ba1\u7406\u306e\u9375\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30ed\u30fc\u30ab\u30eb\u5909\u6570\u306e\u30b9\u30b3\u30fc\u30d7\u7d42\u4e86\u6642\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=\"\">void processData() {\n    MemoryManager manager;  \/\/ \u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u547c\u3073\u51fa\u3057\n    \/\/ \u51e6\u7406\u5185\u5bb9\n}  \/\/ \u95a2\u6570\u7d42\u4e86\u6642\u306b\u81ea\u52d5\u7684\u306b\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u547c\u3073\u51fa\u3057<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>\u52d5\u7684\u306b\u78ba\u4fdd\u3055\u308c\u305f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306edelete\u6642\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=\"\">MemoryManager* ptr = new MemoryManager();\ndelete ptr;  \/\/ \u660e\u793a\u7684\u306a\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u547c\u3073\u51fa\u3057<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li>\u30b3\u30f3\u30c6\u30ca\u304b\u3089\u306e\u8981\u7d20\u524a\u9664\u6642\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=\"\">std::vector&lt;MemoryManager&gt; managers;\nmanagers.push_back(MemoryManager());\nmanagers.pop_back();  \/\/ \u8981\u7d20\u524a\u9664\u6642\u306b\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u547c\u3073\u51fa\u3057<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-3\">\u6697\u9ed9\u306e\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u3068\u660e\u793a\u7684\u306a\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u306e\u9055\u3044<\/h3>\n\n\n\n<p>\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u306b\u306f\u3001\u6697\u9ed9\uff08\u30b3\u30f3\u30d1\u30a4\u30e9\u751f\u6210\uff09\u3068\u660e\u793a\u7684\uff08\u30d7\u30ed\u30b0\u30e9\u30de\u5b9a\u7fa9\uff09\u306e2\u7a2e\u985e\u304c\u3042\u308a\u3001\u305d\u308c\u305e\u308c\u7570\u306a\u308b\u7279\u5fb4\u3092\u6301\u3061\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u6697\u9ed9\u306e\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\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 SimpleClass {\n    std::string text;      \/\/ \u81ea\u52d5\u7684\u306b\u89e3\u653e\u3055\u308c\u308b\n    std::vector&lt;int&gt; data; \/\/ \u81ea\u52d5\u7684\u306b\u89e3\u653e\u3055\u308c\u308b\n};  \/\/ \u6697\u9ed9\u306e\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u3067\u5341\u5206<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>\u660e\u793a\u7684\u306a\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u304c\u5fc5\u8981\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=\"\">class ResourceHandler {\nprivate:\n    int* rawPointer;\n    FILE* fileHandle;\n    std::mutex* mutexPtr;\n\npublic:\n    ResourceHandler() \n        : rawPointer(new int[100])\n        , fileHandle(fopen(\"data.txt\", \"r\"))\n        , mutexPtr(new std::mutex)\n    {}\n\n    ~ResourceHandler() {\n        delete[] rawPointer;  \/\/ \u52d5\u7684\u914d\u5217\u306e\u89e3\u653e\n        if (fileHandle) {\n            fclose(fileHandle);  \/\/ \u30d5\u30a1\u30a4\u30eb\u306e\u30af\u30ed\u30fc\u30ba\n        }\n        delete mutexPtr;     \/\/ \u30df\u30e5\u30fc\u30c6\u30c3\u30af\u30b9\u306e\u89e3\u653e\n    }\n};<\/pre>\n\n\n\n<p>\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u5b9f\u88c5\u306e\u91cd\u8981\u306a\u30dd\u30a4\u30f3\u30c8\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>RAII\u30d1\u30bf\u30fc\u30f3\u306e\u6d3b\u7528<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30ea\u30bd\u30fc\u30b9\u306e\u78ba\u4fdd\u306f\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3067<\/li>\n\n\n\n<li>\u30ea\u30bd\u30fc\u30b9\u306e\u89e3\u653e\u306f\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u3067<\/li>\n\n\n\n<li>\u4f8b\u5916\u5b89\u5168\u6027\u306e\u78ba\u4fdd<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30b9\u30de\u30fc\u30c8\u30dd\u30a4\u30f3\u30bf\u306e\u4f7f\u7528\u691c\u8a0e<\/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 ModernResourceHandler {\nprivate:\n    std::unique_ptr&lt;int[]&gt; data;    \/\/ \u81ea\u52d5\u89e3\u653e\n    std::shared_ptr&lt;std::mutex&gt; mutex; \/\/ \u53c2\u7167\u30ab\u30a6\u30f3\u30c8\u65b9\u5f0f\n\npublic:\n    ModernResourceHandler()\n        : data(std::make_unique&lt;int[]&gt;(100))\n        , mutex(std::make_shared&lt;std::mutex&gt;())\n    {}\n    \/\/ \u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u306f\u6697\u9ed9\u3067\u5341\u5206\n};<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li>\u30a8\u30e9\u30fc\u51e6\u7406\u306e\u6ce8\u610f\u70b9<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u5185\u3067\u306e\u4f8b\u5916\u306f\u907f\u3051\u308b<\/li>\n\n\n\n<li>\u30a8\u30e9\u30fc\u30ed\u30b0\u306e\u8a18\u9332\u306f\u53ef\u80fd<\/li>\n\n\n\n<li>\u91cd\u8981\u306a\u5f8c\u51e6\u7406\u306f\u5225\u30e1\u30bd\u30c3\u30c9\u3067\u5b9f\u88c5<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u306e\u57fa\u790e\u77e5\u8b58\u3092\u8eab\u306b\u3064\u3051\u308b\u3053\u3068\u3067\u3001\u4ee5\u4e0b\u306e\u30e1\u30ea\u30c3\u30c8\u304c\u5f97\u3089\u308c\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30e1\u30e2\u30ea\u30ea\u30fc\u30af\u306e\u9632\u6b62<\/li>\n\n\n\n<li>\u30ea\u30bd\u30fc\u30b9\u7ba1\u7406\u306e\u81ea\u52d5\u5316<\/li>\n\n\n\n<li>\u4f8b\u5916\u5b89\u5168\u306a\u30b3\u30fc\u30c9\u306e\u5b9f\u73fe<\/li>\n\n\n\n<li>\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u6027\u306e\u5411\u4e0a<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-4\">\u6b63\u3057\u3044\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u306e\u5b9f\u88c5\u65b9\u6cd5<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-5\">\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u306e\u57fa\u672c\u7684\u306a\u66f8\u304d\u65b9\u3068\u6ce8\u610f\u70b9<\/h3>\n\n\n\n<p>\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u3092\u6b63\u3057\u304f\u5b9f\u88c5\u3059\u308b\u3053\u3068\u306f\u3001\u5b89\u5168\u3067\u52b9\u7387\u7684\u306aC++\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u57fa\u672c\u3067\u3059\u3002\u4ee5\u4e0b\u306b\u3001\u57fa\u672c\u7684\u306a\u5b9f\u88c5\u30d1\u30bf\u30fc\u30f3\u3068\u91cd\u8981\u306a\u6ce8\u610f\u70b9\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u57fa\u672c\u7684\u306a\u5b9f\u88c5\u30d1\u30bf\u30fc\u30f3<\/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 ResourceManager {\nprivate:\n    int* data;\n    std::ofstream logFile;\n\npublic:\n    ResourceManager() \n        : data(new int[100])\n        , logFile(\"log.txt\")\n    {}\n\n    ~ResourceManager() {\n        try {\n            cleanup();  \/\/ \u5f8c\u51e6\u7406\u3092\u5225\u30e1\u30bd\u30c3\u30c9\u306b\u5206\u96e2\n        } catch (...) {\n            \/\/ \u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u3067\u306f\u4f8b\u5916\u3092\u6295\u3052\u306a\u3044\n            std::cerr &lt;&lt; \"Cleanup failed\" &lt;&lt; std::endl;\n        }\n    }\n\nprivate:\n    void cleanup() {\n        delete[] data;\n        if (logFile.is_open()) {\n            logFile.close();\n        }\n    }\n};<\/pre>\n\n\n\n<p>\u91cd\u8981\u306a\u6ce8\u610f\u70b9\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u306f\u4f8b\u5916\u3092\u6295\u3052\u3066\u306f\u3044\u3051\u306a\u3044<\/li>\n\n\n\n<li>\u30ea\u30bd\u30fc\u30b9\u89e3\u653e\u306f\u9006\u9806\u3067\u884c\u3046<\/li>\n\n\n\n<li>null\u30c1\u30a7\u30c3\u30af\u3092\u5fd8\u308c\u306a\u3044<\/li>\n\n\n\n<li>\u89e3\u653e\u6e08\u307f\u306e\u30dd\u30a4\u30f3\u30bf\u306fnullptr\u306b\u8a2d\u5b9a<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-6\">\u4eee\u60f3\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u3092\u4f7f\u7528\u3059\u3079\u304d\u5834\u5408\u3068\u305d\u306e\u7406\u7531<\/h3>\n\n\n\n<p>\u4eee\u60f3\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u306f\u3001\u7d99\u627f\u3092\u4f7f\u7528\u3059\u308b\u969b\u306b\u7279\u306b\u91cd\u8981\u3067\u3059\u3002\u9069\u5207\u306b\u5b9f\u88c5\u3057\u306a\u3044\u3068\u3001\u30e1\u30e2\u30ea\u30ea\u30fc\u30af\u3084\u30ea\u30bd\u30fc\u30b9\u6f0f\u308c\u306e\u539f\u56e0\u3068\u306a\u308a\u307e\u3059\u3002<\/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    Base() = default;\n    virtual ~Base() = default;  \/\/ \u4eee\u60f3\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\n\n    \/\/ \u7d14\u7c8b\u4eee\u60f3\u95a2\u6570\n    virtual void process() = 0;\n};\n\nclass Derived : public Base {\nprivate:\n    int* data;\n\npublic:\n    Derived() : data(new int[100]) {}\n\n    ~Derived() override {  \/\/ override\u6307\u5b9a\u5b50\u3092\u4f7f\u7528\n        delete[] data;\n    }\n\n    void process() override {\n        \/\/ \u51e6\u7406\u306e\u5b9f\u88c5\n    }\n};\n\n\/\/ \u4f7f\u7528\u4f8b\nvoid processObject(Base* obj) {\n    obj-&gt;process();\n    delete obj;  \/\/ \u9069\u5207\u306a\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u304c\u547c\u3070\u308c\u308b\n}<\/pre>\n\n\n\n<p>\u4eee\u60f3\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u304c\u5fc5\u8981\u306a\u5834\u5408\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30af\u30e9\u30b9\u304c\u57fa\u5e95\u30af\u30e9\u30b9\u3068\u3057\u3066\u4f7f\u7528\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b<\/li>\n\n\n\n<li>\u30af\u30e9\u30b9\u306b\u5c11\u306a\u304f\u3068\u30821\u3064\u306e\u4eee\u60f3\u95a2\u6570\u304c\u3042\u308b<\/li>\n\n\n\n<li>\u30dd\u30ea\u30e2\u30fc\u30d5\u30a3\u30c3\u30af\u306a\u4f7f\u7528\u304c\u4e88\u60f3\u3055\u308c\u308b<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-7\">\u4f8b\u5916\u5b89\u5168\u306a\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u306e\u653b\u7565\u30c6\u30af\u30cb\u30c3\u30af<\/h3>\n\n\n\n<p>\u4f8b\u5916\u5b89\u5168\u306a\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u3092\u5b9f\u88c5\u3059\u308b\u305f\u3081\u306e\u4e3b\u8981\u306a\u30c6\u30af\u30cb\u30c3\u30af\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u4e8c\u6bb5\u968e\u7d42\u4e86\u30d1\u30bf\u30fc\u30f3<\/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 SafeResource {\npublic:\n    \/\/ \u901a\u5e38\u306e\u7d42\u4e86\u51e6\u7406\n    bool release() noexcept(false) {\n        try {\n            \/\/ \u30ea\u30bd\u30fc\u30b9\u306e\u89e3\u653e\uff08\u4f8b\u5916\u3092\u6295\u3052\u308b\u53ef\u80fd\u6027\u3042\u308a\uff09\n            return true;\n        } catch (...) {\n            return false;\n        }\n    }\n\n    \/\/ \u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u3067\u306e\u6700\u7d42\u51e6\u7406\n    ~SafeResource() noexcept {\n        try {\n            if (!released) {\n                \/\/ \u6700\u5c0f\u9650\u306e\u7d42\u4e86\u51e6\u7406\n            }\n        } catch (...) {\n            \/\/ \u30ed\u30b0\u8a18\u9332\u306e\u307f\n        }\n    }\n\nprivate:\n    bool released = false;\n};<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>RAII + \u30b9\u30de\u30fc\u30c8\u30dd\u30a4\u30f3\u30bf\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 ModernResource {\nprivate:\n    std::unique_ptr&lt;int[]&gt; data;\n    std::shared_ptr&lt;std::mutex&gt; mutex;\n    std::unique_ptr&lt;std::ofstream&gt; file;\n\npublic:\n    ModernResource()\n        : data(std::make_unique&lt;int[]&gt;(100))\n        , mutex(std::make_shared&lt;std::mutex&gt;())\n        , file(std::make_unique&lt;std::ofstream&gt;(\"data.log\"))\n    {}\n\n    \/\/ \u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u306f\u6697\u9ed9\u3067\u5341\u5206\n    \/\/ \u30b9\u30de\u30fc\u30c8\u30dd\u30a4\u30f3\u30bf\u304c\u5b89\u5168\u306a\u89e3\u653e\u3092\u4fdd\u8a3c\n};<\/pre>\n\n\n\n<p>\u5b9f\u88c5\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30ea\u30bd\u30fc\u30b9\u7ba1\u7406\u306e\u539f\u5247<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e00\u3064\u306e\u30ea\u30bd\u30fc\u30b9\u306b\u306f\u4e00\u3064\u306e\u7ba1\u7406\u30af\u30e9\u30b9<\/li>\n\n\n\n<li>\u6240\u6709\u6a29\u306e\u660e\u78ba\u5316<\/li>\n\n\n\n<li>\u30b9\u30de\u30fc\u30c8\u30dd\u30a4\u30f3\u30bf\u306e\u7a4d\u6975\u7684\u306a\u6d3b\u7528<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30a8\u30e9\u30fc\u51e6\u7406\u6226\u7565<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u91cd\u8981\u306a\u51e6\u7406\u306f\u5225\u30e1\u30bd\u30c3\u30c9\u306b\u5206\u96e2<\/li>\n\n\n\n<li>\u30ed\u30b0\u6a5f\u80fd\u306e\u5b9f\u88c5<\/li>\n\n\n\n<li>\u81f4\u547d\u7684\u306a\u30a8\u30e9\u30fc\u306e\u9069\u5207\u306a\u51e6\u7406<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u8003\u616e<\/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 OptimizedResource {\nprivate:\n    std::vector&lt;int&gt; data;\n\npublic:\n    OptimizedResource() {\n        data.reserve(1000);  \/\/ \u30e1\u30e2\u30ea\u306e\u4e8b\u524d\u78ba\u4fdd\n    }\n\n    ~OptimizedResource() {\n        \/\/ \u30c7\u30fc\u30bf\u304c\u5927\u304d\u3044\u5834\u5408\u306fmove\u64cd\u4f5c\u3092\u6d3b\u7528\n        std::vector&lt;int&gt;().swap(data);\n    }\n};<\/pre>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u5b9f\u88c5\u30d1\u30bf\u30fc\u30f3\u3092\u9069\u5207\u306b\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u5b89\u5168\u3067\u52b9\u7387\u7684\u306a\u30ea\u30bd\u30fc\u30b9\u7ba1\u7406\u304c\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-8\">\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u306b\u95a2\u3059\u308b\u4e00\u822c\u7684\u306a\u843d\u3068\u3057\u7a74\u3068\u5bfe\u7b56<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-9\">\u30e1\u30e2\u30ea\u30ea\u30fc\u30af\u3092\u8e0f\u307e\u3048\u305f\u5178\u578b\u7684\u306a\u30df\u30b9<\/h3>\n\n\n\n<p>\u30e1\u30e2\u30ea\u30ea\u30fc\u30af\u306f\u3001\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u306e\u5b9f\u88c5\u306b\u304a\u3044\u3066\u6700\u3082\u4e00\u822c\u7684\u306a\u554f\u984c\u306e\u4e00\u3064\u3067\u3059\u3002\u4ee5\u4e0b\u306b\u4e3b\u306a\u539f\u56e0\u3068\u5bfe\u7b56\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30dd\u30a4\u30f3\u30bf\u30e1\u30f3\u30d0\u306e\u4e0d\u9069\u5207\u306a\u89e3\u653e<\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u554f\u984c\u306e\u3042\u308b\u30b3\u30fc\u30c9\nclass ResourceHolder {\nprivate:\n    int* data;\n    int* buffer;\npublic:\n    ResourceHolder() {\n        data = new int[100];\n        buffer = new int[50];\n    }\n\n    ~ResourceHolder() {\n        delete data;      \/\/ \u9593\u9055\u3044: \u914d\u5217\u306b\u306fdelete[]\u3092\u4f7f\u7528\n        \/\/ buffer\u306e\u89e3\u653e\u5fd8\u308c\n    }\n};\n\n\/\/ \u6b63\u3057\u3044\u5b9f\u88c5\nclass SafeResourceHolder {\nprivate:\n    std::unique_ptr&lt;int[]&gt; data;\n    std::unique_ptr&lt;int[]&gt; buffer;\npublic:\n    SafeResourceHolder() \n        : data(std::make_unique&lt;int[]&gt;(100))\n        , buffer(std::make_unique&lt;int[]&gt;(50))\n    {}\n    \/\/ \u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u306f\u81ea\u52d5\u751f\u6210\u3067\u5341\u5206\n};<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>\u7d99\u627f\u968e\u5c64\u3067\u306e\u8aa4\u3063\u305f\u5b9f\u88c5<\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u554f\u984c\u306e\u3042\u308b\u30b3\u30fc\u30c9\nclass Base {\npublic:\n    ~Base() { \/* \u30ea\u30bd\u30fc\u30b9\u89e3\u653e *\/ }  \/\/ \u975e\u4eee\u60f3\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\n};\n\nclass Derived : public Base {\nprivate:\n    int* resource;\npublic:\n    Derived() : resource(new int[100]) {}\n    ~Derived() { delete[] resource; }\n};\n\n\/\/ \u30e1\u30e2\u30ea\u30ea\u30fc\u30af\u306e\u767a\u751f\nBase* ptr = new Derived();\ndelete ptr;  \/\/ Derived\u306e\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u304c\u547c\u3070\u308c\u306a\u3044\n\n\/\/ \u6b63\u3057\u3044\u5b9f\u88c5\nclass SafeBase {\npublic:\n    virtual ~SafeBase() = default;  \/\/ \u4eee\u60f3\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\n};\n\nclass SafeDerived : public SafeBase {\nprivate:\n    std::unique_ptr&lt;int[]&gt; resource;\npublic:\n    SafeDerived() : resource(std::make_unique&lt;int[]&gt;(100)) {}\n};<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-10\">\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u5185\u3067\u306e\u4f8b\u5916\u51e6\u7406\u306e\u554f\u984c<\/h3>\n\n\n\n<p>\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u5185\u3067\u306e\u4f8b\u5916\u51e6\u7406\u306f\u7279\u306b\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u4f8b\u5916\u5b89\u5168\u306a\u5b9f\u88c5\u30d1\u30bf\u30fc\u30f3<\/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 ExceptionSafeResource {\nprivate:\n    std::ofstream file;\n    bool needsCleanup = false;\n\npublic:\n    void initialize() {\n        file.open(\"data.log\");\n        needsCleanup = true;\n        \/\/ \u4f8b\u5916\u3092\u6295\u3052\u308b\u53ef\u80fd\u6027\u306e\u3042\u308b\u51e6\u7406\n    }\n\n    ~ExceptionSafeResource() noexcept {\n        try {\n            if (needsCleanup) {\n                \/\/ \u30af\u30ea\u30fc\u30f3\u30a2\u30c3\u30d7\u51e6\u7406\n                file.close();\n            }\n        } catch (...) {\n            \/\/ \u30ed\u30b0\u8a18\u9332\u306e\u307f\u884c\u3044\u3001\u4f8b\u5916\u306f\u6291\u5236\n            std::cerr &lt;&lt; \"Cleanup failed\" &lt;&lt; std::endl;\n        }\n    }\n};<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>\u4e8c\u6bb5\u968e\u7d42\u4e86\u51e6\u7406\u30d1\u30bf\u30fc\u30f3<\/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 TwoPhaseDestruction {\nprivate:\n    std::unique_ptr&lt;int[]&gt; data;\n    std::ofstream file;\n\npublic:\n    \/\/ \u901a\u5e38\u306e\u7d42\u4e86\u51e6\u7406\uff08\u4f8b\u5916\u3092\u6295\u3052\u308b\u53ef\u80fd\u6027\u3042\u308a\uff09\n    void cleanup() {\n        if (file.is_open()) {\n            file.flush();  \/\/ \u4f8b\u5916\u306e\u53ef\u80fd\u6027\u3042\u308a\n            file.close();\n        }\n    }\n\n    \/\/ \u6700\u7d42\u7684\u306a\u7d42\u4e86\u51e6\u7406\uff08\u4f8b\u5916\u3092\u6295\u3052\u306a\u3044\uff09\n    ~TwoPhaseDestruction() noexcept {\n        try {\n            cleanup();\n        } catch (...) {\n            \/\/ \u30a8\u30e9\u30fc\u30ed\u30b0\u306e\u307f\n        }\n    }\n};<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-11\">\u5faa\u74b0\u53c2\u7167\u306b\u3088\u308b\u30e1\u30e2\u30ea\u30ea\u30fc\u30af\u306e\u963b\u6b62<\/h3>\n\n\n\n<p>\u5faa\u74b0\u53c2\u7167\u306f\u7279\u306b\u6ce8\u610f\u304c\u5fc5\u8981\u306a\u554f\u984c\u3067\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u554f\u984c\u3068\u306a\u308b\u5b9f\u88c5\u4f8b<\/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 Node {\nprivate:\n    std::shared_ptr&lt;Node&gt; next;\n    std::shared_ptr&lt;Node&gt; prev;\npublic:\n    void setNext(std::shared_ptr&lt;Node&gt; n) { next = n; }\n    void setPrev(std::shared_ptr&lt;Node&gt; p) { prev = p; }\n};\n\n\/\/ \u5faa\u74b0\u53c2\u7167\u306b\u3088\u308b\u30e1\u30e2\u30ea\u30ea\u30fc\u30af\nvoid createNodes() {\n    auto node1 = std::make_shared&lt;Node&gt;();\n    auto node2 = std::make_shared&lt;Node&gt;();\n    node1-&gt;setNext(node2);\n    node2-&gt;setPrev(node1);\n}  \/\/ \u53c2\u7167\u30ab\u30a6\u30f3\u30c8\u304c0\u306b\u306a\u3089\u305a\u89e3\u653e\u3055\u308c\u306a\u3044<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>\u89e3\u6c7a\u7b56\uff1aweak_ptr\u306e\u4f7f\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 SafeNode {\nprivate:\n    std::shared_ptr&lt;SafeNode&gt; next;\n    std::weak_ptr&lt;SafeNode&gt; prev;  \/\/ weak_ptr\u3092\u4f7f\u7528\npublic:\n    void setNext(std::shared_ptr&lt;SafeNode&gt; n) { next = n; }\n    void setPrev(std::shared_ptr&lt;SafeNode&gt; p) { prev = p; }\n\n    ~SafeNode() {\n        if (auto p = prev.lock()) {\n            \/\/ prev\u304c\u6709\u52b9\u306a\u5834\u5408\u306e\u51e6\u7406\n        }\n    }\n};<\/pre>\n\n\n\n<p>\u5bfe\u7b56\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30b9\u30de\u30fc\u30c8\u30dd\u30a4\u30f3\u30bf\u306e\u9069\u5207\u306a\u4f7f\u7528<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>unique_ptr: \u5358\u4e00\u6240\u6709\u6a29\u306e\u5834\u5408<\/li>\n\n\n\n<li>shared_ptr: \u5171\u6709\u6240\u6709\u6a29\u306e\u5834\u5408<\/li>\n\n\n\n<li>weak_ptr: \u5faa\u74b0\u53c2\u7167\u306e\u9632\u6b62<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>RAII\u539f\u5247\u306e\u5fb9\u5e95<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30ea\u30bd\u30fc\u30b9\u306e\u78ba\u4fdd\u3068\u89e3\u653e\u3092\u660e\u78ba\u306b\u5bfe\u5fdc\u4ed8\u3051\u308b<\/li>\n\n\n\n<li>\u4f8b\u5916\u5b89\u5168\u6027\u306e\u78ba\u4fdd<\/li>\n\n\n\n<li>\u81ea\u52d5\u7684\u306a\u30ea\u30bd\u30fc\u30b9\u7ba1\u7406\u306e\u6d3b\u7528<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30c7\u30d0\u30c3\u30b0\u3068\u30c6\u30b9\u30c8<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30e1\u30e2\u30ea\u30ea\u30fc\u30af\u691c\u51fa\u30c4\u30fc\u30eb\u306e\u4f7f\u7528<\/li>\n\n\n\n<li>\u5358\u4f53\u30c6\u30b9\u30c8\u3067\u306e\u691c\u8a3c<\/li>\n\n\n\n<li>\u30a8\u30c3\u30b8\u30b1\u30fc\u30b9\u306e\u8003\u616e<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u843d\u3068\u3057\u7a74\u3092\u7406\u89e3\u3057\u3001\u9069\u5207\u306a\u5bfe\u7b56\u3092\u5b9f\u88c5\u3059\u308b\u3053\u3068\u3067\u3001\u3088\u308a\u5b89\u5168\u3067\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u30b3\u30fc\u30c9\u3092\u4f5c\u6210\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-12\">\u5b9f\u8df5\u7684\u306a\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u306e\u5b9f\u88c5\u30d1\u30bf\u30fc\u30f3<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-13\">RAII \u30d1\u30bf\u30fc\u30f3\u3092\u7528\u3044\u305f\u30ea\u30bd\u30fc\u30b9\u7ba1\u7406<\/h3>\n\n\n\n<p>RAII\u30d1\u30bf\u30fc\u30f3\u306f\u3001C++\u306b\u304a\u3051\u308b\u30ea\u30bd\u30fc\u30b9\u7ba1\u7406\u306e\u57fa\u672c\u3068\u306a\u308b\u30d1\u30bf\u30fc\u30f3\u3067\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30d5\u30a1\u30a4\u30eb\u64cd\u4f5c\u3067\u306eRAII\u5b9f\u88c5<\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class FileHandler {\nprivate:\n    std::unique_ptr&lt;std::fstream&gt; file;\n    std::string filename;\n    bool isModified = false;\n\npublic:\n    FileHandler(const std::string&amp; fname) \n        : filename(fname)\n        , file(std::make_unique&lt;std::fstream&gt;()) \n    {\n        file-&gt;open(filename, std::ios::in | std::ios::out);\n        if (!file-&gt;is_open()) {\n            throw std::runtime_error(\"Failed to open file: \" + filename);\n        }\n    }\n\n    void writeData(const std::string&amp; data) {\n        if (file &amp;&amp; file-&gt;is_open()) {\n            *file &lt;&lt; data;\n            isModified = true;\n        }\n    }\n\n    ~FileHandler() {\n        try {\n            if (file &amp;&amp; file-&gt;is_open()) {\n                if (isModified) {\n                    file-&gt;flush();  \/\/ \u5909\u66f4\u304c\u3042\u308c\u3070\u78ba\u5b9f\u306b\u66f8\u304d\u51fa\u3057\n                }\n                file-&gt;close();\n            }\n        } catch (...) {\n            \/\/ \u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u3067\u306f\u30a8\u30e9\u30fc\u3092\u8a18\u9332\u306e\u307f\n            std::cerr &lt;&lt; \"Error closing file: \" &lt;&lt; filename &lt;&lt; std::endl;\n        }\n    }\n};<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>\u30ed\u30c3\u30af\u7ba1\u7406\u3067\u306eRAII<\/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 LockGuardCustom {\nprivate:\n    std::mutex&amp; mutex;\n    bool locked = false;\n\npublic:\n    explicit LockGuardCustom(std::mutex&amp; m) : mutex(m) {\n        mutex.lock();\n        locked = true;\n    }\n\n    ~LockGuardCustom() {\n        if (locked) {\n            mutex.unlock();\n        }\n    }\n\n    \/\/ \u30b3\u30d4\u30fc\u7981\u6b62\n    LockGuardCustom(const LockGuardCustom&amp;) = delete;\n    LockGuardCustom&amp; operator=(const LockGuardCustom&amp;) = delete;\n};<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-14\">\u30b9\u30de\u30fc\u30c8\u30dd\u30a4\u30f3\u30bf\u3092\u6d3b\u7528\u3057\u305f\u30e1\u30e2\u30ea\u7ba1\u7406<\/h3>\n\n\n\n<p>\u73fe\u4ee3\u306eC++\u3067\u306f\u3001\u30b9\u30de\u30fc\u30c8\u30dd\u30a4\u30f3\u30bf\u3092\u6d3b\u7528\u3057\u305f\u52b9\u7387\u7684\u306a\u30e1\u30e2\u30ea\u7ba1\u7406\u304c\u63a8\u5968\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30ab\u30b9\u30bf\u30e0\u30c7\u30ea\u30fc\u30bf\u306e\u5b9f\u88c5<\/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 DatabaseConnection {\nprivate:\n    struct ConnectionDeleter {\n        void operator()(SQL_CONNECTION* conn) {\n            if (conn) {\n                conn-&gt;disconnect();\n                conn-&gt;cleanup();\n                delete conn;\n            }\n        }\n    };\n\n    std::unique_ptr&lt;SQL_CONNECTION, ConnectionDeleter&gt; connection;\n    bool isTransactionActive = false;\n\npublic:\n    DatabaseConnection(const std::string&amp; connectionString) {\n        connection.reset(new SQL_CONNECTION(connectionString));\n    }\n\n    void beginTransaction() {\n        if (connection &amp;&amp; !isTransactionActive) {\n            connection-&gt;begin();\n            isTransactionActive = true;\n        }\n    }\n\n    ~DatabaseConnection() {\n        try {\n            if (isTransactionActive) {\n                connection-&gt;rollback();  \/\/ \u672a\u30b3\u30df\u30c3\u30c8\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306f\u30ed\u30fc\u30eb\u30d0\u30c3\u30af\n            }\n        } catch (...) {\n            \/\/ \u30ed\u30b0\u8a18\u9332\u306e\u307f\n        }\n        \/\/ unique_ptr\u304c\u81ea\u52d5\u7684\u306bConnectionDeleter\u3092\u4f7f\u7528\n    }\n};<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>\u5171\u6709\u30ea\u30bd\u30fc\u30b9\u306e\u7ba1\u7406<\/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 SharedResource {\nprivate:\n    class ResourceImpl {\n    private:\n        std::vector&lt;int&gt; data;\n        mutable std::mutex mtx;\n\n    public:\n        void addData(int value) {\n            std::lock_guard&lt;std::mutex&gt; lock(mtx);\n            data.push_back(value);\n        }\n\n        ~ResourceImpl() {\n            std::lock_guard&lt;std::mutex&gt; lock(mtx);\n            data.clear();\n        }\n    };\n\n    std::shared_ptr&lt;ResourceImpl&gt; impl;\n\npublic:\n    SharedResource() : impl(std::make_shared&lt;ResourceImpl&gt;()) {}\n\n    \/\/ \u6697\u9ed9\u306e\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u3067\u5341\u5206\n    \/\/ shared_ptr\u304c\u53c2\u7167\u30ab\u30a6\u30f3\u30c8\u306b\u57fa\u3065\u3044\u3066\u9069\u5207\u306b\u89e3\u653e\n};<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-15\">\u7d99\u627f\u95a2\u4fc2\u306b\u304a\u3051\u308b\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u306e\u9069\u5207\u306a\u8a2d\u8a08<\/h3>\n\n\n\n<p>\u7d99\u627f\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u3001\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u306e\u8a2d\u8a08\u306f\u7279\u306b\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u62bd\u8c61\u57fa\u5e95\u30af\u30e9\u30b9\u306e\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u8a2d\u8a08<\/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 Resource {\npublic:\n    virtual ~Resource() = default;  \/\/ \u4eee\u60f3\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\n    virtual void cleanup() = 0;     \/\/ \u7d14\u7c8b\u4eee\u60f3\u95a2\u6570\n};\n\nclass FileResource : public Resource {\nprivate:\n    std::ofstream file;\n\npublic:\n    FileResource(const std::string&amp; filename) {\n        file.open(filename);\n    }\n\n    void cleanup() override {\n        if (file.is_open()) {\n            file.close();\n        }\n    }\n\n    ~FileResource() override {\n        cleanup();\n    }\n};<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>Template Method \u30d1\u30bf\u30fc\u30f3\u306e\u9069\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 BaseHandler {\nprotected:\n    virtual void preDestroy() {}\n    virtual void doCleanup() = 0;\n    virtual void postDestroy() {}\n\npublic:\n    virtual ~BaseHandler() {\n        try {\n            preDestroy();\n            doCleanup();\n            postDestroy();\n        } catch (...) {\n            \/\/ \u30ed\u30b0\u8a18\u9332\u306e\u307f\n        }\n    }\n};\n\nclass NetworkHandler : public BaseHandler {\nprivate:\n    NetworkConnection* conn;\n\nprotected:\n    void preDestroy() override {\n        \/\/ \u63a5\u7d9a\u7d42\u4e86\u524d\u306e\u6e96\u5099\n    }\n\n    void doCleanup() override {\n        if (conn) {\n            conn-&gt;disconnect();\n            delete conn;\n            conn = nullptr;\n        }\n    }\n\n    void postDestroy() override {\n        \/\/ \u5f8c\u51e6\u7406\u3068\u30ed\u30b0\u8a18\u9332\n    }\n};<\/pre>\n\n\n\n<p>\u5b9f\u88c5\u306e\u30dd\u30a4\u30f3\u30c8\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30ea\u30bd\u30fc\u30b9\u7ba1\u7406\u306e\u539f\u5247<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5358\u4e00\u8cac\u4efb\u306e\u539f\u5247\u3092\u5b88\u308b<\/li>\n\n\n\n<li>\u30ea\u30bd\u30fc\u30b9\u306e\u6240\u6709\u6a29\u3092\u660e\u78ba\u306b\u3059\u308b<\/li>\n\n\n\n<li>\u4f8b\u5916\u5b89\u5168\u6027\u3092\u78ba\u4fdd\u3059\u308b<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u8003\u616e<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e0d\u5fc5\u8981\u306a\u30b3\u30d4\u30fc\u3092\u907f\u3051\u308b<\/li>\n\n\n\n<li>\u30ea\u30bd\u30fc\u30b9\u306e\u9045\u5ef6\u521d\u671f\u5316\u3092\u691c\u8a0e<\/li>\n\n\n\n<li>\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u52b9\u679c\u7684\u306a\u6d3b\u7528<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30c7\u30d0\u30c3\u30b0\u306e\u30b5\u30dd\u30fc\u30c8<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30ed\u30b0\u6a5f\u80fd\u306e\u7d44\u307f\u8fbc\u307f<\/li>\n\n\n\n<li>\u72b6\u614b\u8ffd\u8de1\u306e\u5b9f\u88c5<\/li>\n\n\n\n<li>\u30a8\u30e9\u30fc\u5831\u544a\u306e\u4ed5\u7d44\u307f<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u30d1\u30bf\u30fc\u30f3\u3092\u9069\u5207\u306b\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u5805\u7262\u3067\u4fdd\u5b88\u6027\u306e\u9ad8\u3044\u30b3\u30fc\u30c9\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-16\">\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-17\">\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u95a2\u9023\u306e\u4e00\u822c\u7684\u306a\u30d0\u30b0\u306e\u7279\u5b9a\u65b9\u6cd5<\/h3>\n\n\n\n<p>\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u306b\u95a2\u9023\u3059\u308b\u30d0\u30b0\u3092\u52b9\u679c\u7684\u306b\u7279\u5b9a\u3057\u3001\u4fee\u6b63\u3059\u308b\u305f\u3081\u306e\u65b9\u6cd5\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30c7\u30d0\u30c3\u30b0\u60c5\u5831\u306e\u8ffd\u52a0<\/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 DebugResource {\nprivate:\n    int* data;\n    static int instanceCount;  \/\/ \u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u6570\u306e\u8ffd\u8de1\n    int instanceId;\n\npublic:\n    DebugResource() : data(new int[100]) {\n        instanceId = ++instanceCount;\n        std::cout &lt;&lt; \"Constructor called: Instance \" &lt;&lt; instanceId &lt;&lt; std::endl;\n    }\n\n    ~DebugResource() {\n        std::cout &lt;&lt; \"Destructor called: Instance \" &lt;&lt; instanceId &lt;&lt; std::endl;\n        delete[] data;\n        --instanceCount;\n    }\n\n    static int getInstanceCount() { return instanceCount; }\n};\n\nint DebugResource::instanceCount = 0;<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>\u30b9\u30de\u30fc\u30c8\u30dd\u30a4\u30f3\u30bf\u3092\u4f7f\u7528\u3057\u305f\u30c7\u30d0\u30c3\u30b0<\/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 TrackedResource {\nprivate:\n    class Deleter {\n    public:\n        void operator()(int* p) {\n            std::cout &lt;&lt; \"Deleting resource at \" &lt;&lt; static_cast&lt;void*&gt;(p) &lt;&lt; std::endl;\n            delete p;\n        }\n    };\n\n    std::unique_ptr&lt;int, Deleter&gt; ptr;\n\npublic:\n    TrackedResource() : ptr(new int(42)) {\n        std::cout &lt;&lt; \"Resource created at \" &lt;&lt; static_cast&lt;void*&gt;(ptr.get()) &lt;&lt; std::endl;\n    }\n};<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-18\">\u30e1\u30e2\u30ea\u30ea\u30fc\u30af\u306e\u691c\u51fa\u3068\u30c7\u30d0\u30c3\u30b0\u624b\u6cd5<\/h3>\n\n\n\n<p>\u30e1\u30e2\u30ea\u30ea\u30fc\u30af\u3092\u52b9\u679c\u7684\u306b\u691c\u51fa\u3057\u3001\u30c7\u30d0\u30c3\u30b0\u3059\u308b\u305f\u3081\u306e\u624b\u6cd5\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30ab\u30b9\u30bf\u30e0\u30e1\u30e2\u30ea\u30c8\u30e9\u30c3\u30ab\u30fc\u306e\u5b9f\u88c5<\/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 MemoryTracker {\nprivate:\n    struct Allocation {\n        void* ptr;\n        std::string file;\n        int line;\n        size_t size;\n    };\n\n    static std::map&lt;void*, Allocation&gt; allocations;\n    static std::mutex mtx;\n\npublic:\n    static void* trackAllocation(void* ptr, const char* file, int line, size_t size) {\n        std::lock_guard&lt;std::mutex&gt; lock(mtx);\n        allocations[ptr] = {ptr, file, line, size};\n        return ptr;\n    }\n\n    static void trackDeallocation(void* ptr) {\n        std::lock_guard&lt;std::mutex&gt; lock(mtx);\n        allocations.erase(ptr);\n    }\n\n    static void printLeaks() {\n        std::lock_guard&lt;std::mutex&gt; lock(mtx);\n        for (const auto&amp; alloc : allocations) {\n            std::cerr &lt;&lt; \"Memory leak detected: \"\n                      &lt;&lt; alloc.second.size &lt;&lt; \" bytes at \" \n                      &lt;&lt; alloc.second.ptr\n                      &lt;&lt; \" allocated in \" &lt;&lt; alloc.second.file \n                      &lt;&lt; \":\" &lt;&lt; alloc.second.line &lt;&lt; std::endl;\n        }\n    }\n};\n\n\/\/ \u4f7f\u7528\u4f8b\n#define NEW new(__FILE__, __LINE__)\nclass TrackedObject {\n    int* data;\npublic:\n    TrackedObject() {\n        data = NEW int[100];\n    }\n    ~TrackedObject() {\n        delete[] data;\n    }\n};<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>\u30c7\u30d0\u30c3\u30b0\u30c4\u30fc\u30eb\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 DebugHelper {\npublic:\n    static void setupMemoryLeakDetection() {\n        #ifdef _DEBUG\n            _CrtSetDbgFlag(_CRTDBG_ALLOC_MEM_DF | _CRTDBG_LEAK_CHECK_DF);\n            _CrtSetReportMode(_CRT_WARN, _CRTDBG_MODE_FILE);\n            _CrtSetReportFile(_CRT_WARN, _CRTDBG_FILE_STDOUT);\n        #endif\n    }\n};<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-19\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u306e\u305f\u3081\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/h3>\n\n\n\n<p>\u30c7\u30b9\u30c8\u30e9\u30af\u30bf\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u6700\u9069\u5316\u3059\u308b\u305f\u3081\u306e\u624b\u6cd5\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u52b9\u7387\u7684\u306a\u30ea\u30bd\u30fc\u30b9\u89e3\u653e<\/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 OptimizedResource {\nprivate:\n    std::vector&lt;int&gt; data;\n    std::unique_ptr&lt;char[]&gt; buffer;\n\npublic:\n    OptimizedResource() {\n        data.reserve(1000);  \/\/ \u30e1\u30e2\u30ea\u306e\u4e8b\u524d\u78ba\u4fdd\n        buffer = std::make_unique&lt;char[]&gt;(4096);\n    }\n\n    ~OptimizedResource() {\n        \/\/ \u30c7\u30fc\u30bf\u304c\u5927\u304d\u3044\u5834\u5408\u306f\u6bb5\u968e\u7684\u306b\u89e3\u653e\n        constexpr size_t chunkSize = 1000;\n        while (!data.empty()) {\n            if (data.size() &gt; chunkSize) {\n                data.resize(data.size() - chunkSize);\n            } else {\n                data.clear();\n            }\n        }\n        \/\/ buffer\u306funique_ptr\u304c\u81ea\u52d5\u7684\u306b\u89e3\u653e\n    }\n};<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>\u30d7\u30ed\u30d5\u30a1\u30a4\u30ea\u30f3\u30b0\u30b5\u30dd\u30fc\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=\"\">class ProfiledResource {\nprivate:\n    using Clock = std::chrono::high_resolution_clock;\n    static std::atomic&lt;long long&gt; totalDestructionTime;\n\npublic:\n    ~ProfiledResource() {\n        auto start = Clock::now();\n\n        \/\/ \u30ea\u30bd\u30fc\u30b9\u89e3\u653e\u306e\u51e6\u7406\n        cleanup();\n\n        auto end = Clock::now();\n        auto duration = std::chrono::duration_cast&lt;std::chrono::microseconds&gt;(end - start);\n        totalDestructionTime += duration.count();\n    }\n\n    static void printPerformanceStats() {\n        std::cout &lt;&lt; \"Average destruction time: \" \n                  &lt;&lt; totalDestructionTime.load() \/ instanceCount \n                  &lt;&lt; \" microseconds\" &lt;&lt; std::endl;\n    }\n};<\/pre>\n\n\n\n<p>\u30c7\u30d0\u30c3\u30b0\u3068\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u30dd\u30a4\u30f3\u30c8\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30c7\u30d0\u30c3\u30b0\u30c4\u30fc\u30eb\u306e\u6d3b\u7528<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Valgrind\u306e\u4f7f\u7528\uff08Linux\u74b0\u5883\uff09<\/li>\n\n\n\n<li>Visual Studio Debug Runtime Library<\/li>\n\n\n\n<li>AddressSanitizer\uff08ASAN\uff09<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30ed\u30ae\u30f3\u30b0\u3068\u30c8\u30ec\u30fc\u30b9<\/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 LoggedResource {\nprivate:\n    static std::ofstream logFile;\n\npublic:\n    LoggedResource() {\n        log(\"Constructor called\");\n    }\n\n    ~LoggedResource() {\n        log(\"Destructor called\");\n    }\n\nprivate:\n    void log(const std::string&amp; message) {\n        if (logFile.is_open()) {\n            logFile &lt;&lt; \"[\" &lt;&lt; std::this_thread::get_id() &lt;&lt; \"] \"\n                   &lt;&lt; message &lt;&lt; std::endl;\n        }\n    }\n};<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u306e\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8<\/li>\n<\/ol>\n\n\n\n<ul 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