{"id":1785,"date":"2025-03-24T08:49:54","date_gmt":"2025-03-23T23:49:54","guid":{"rendered":"https:\/\/dexall.co.jp\/articles\/?p=1785"},"modified":"2025-03-24T08:49:54","modified_gmt":"2025-03-23T23:49:54","slug":"%e3%80%90%e5%ae%8c%e5%85%a8%e3%82%ac%e3%82%a4%e3%83%89%e3%80%91c-%e3%83%9a%e3%82%a2%e3%81%ae%e4%bd%bf%e3%81%84%e6%96%b9%e3%81%a8%e5%ae%9f%e8%b7%b5%e3%83%86%e3%82%af%e3%83%8b%e3%83%83%e3%82%af","status":"publish","type":"post","link":"https:\/\/dexall.co.jp\/articles\/?p=1785","title":{"rendered":"\u3010\u5b8c\u5168\u30ac\u30a4\u30c9\u3011C++ \u30da\u30a2\u306e\u4f7f\u3044\u65b9\u3068\u5b9f\u8df5\u30c6\u30af\u30cb\u30c3\u30af\u96c6 \u301cSTL\u30de\u30b9\u30bf\u30fc\u3078\u306e\u59cb\u307e\u308a\u301c"},"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++ \u30da\u30a2\u3068\u306f\uff1f\u57fa\u790e\u304b\u3089\u7406\u89e3\u3059\u308b\u5b9a\u7fa9\u3068\u7279\u5fb4<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-1\">\u30da\u30a2\u30af\u30e9\u30b9\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u306e\u57fa\u672c\u69cb\u9020\u3092\u7406\u89e3\u3057\u3088\u3046<\/a>      <\/li>      <li>        <a href=\"#i-2\">\u6700\u521d\u3001\u4e8c\u756a\u76ee\u306e\u30e1\u30f3\u30d0\u30fc\u306e\u610f\u5473\u3068\u4f7f\u3044\u65b9<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-3\">pair\u304c\u89e3\u6c7a\u3059\u308b\u5b9f\u8df5\u7684\u306a\u8ab2\u984c\u3068\u306f<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-4\">C++ \u30da\u30a2\u306e\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\u3092\u30de\u30b9\u30bf\u30fc\u3057\u3088\u3046<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-5\">\u30da\u30a2\u5909\u6570\u306e\u5ba3\u8a00\u3068\u521d\u671f\u5316\u306e\u69d8\u3005\u306a\u65b9\u6cd5<\/a>      <\/li>      <li>        <a href=\"#i-6\">make_pair\u95a2\u6570\u3092\u4f7f\u3063\u305f\u52b9\u7387\u7684\u306a\u751f\u6210\u65b9\u6cd5<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-7\">\u69cb\u9020\u5316\u675f\u7e1b\u3092\u4f7f\u3063\u305f\u30e2\u30c0\u30f3\u306a\u66f8\u304d\u65b9<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-8\">\u5b9f\u8df5\u7684\u306aC++ \u30da\u30a2\u306e\u6d3b\u7528\u30c6\u30af\u30cb\u30c3\u30af<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-9\">\u30de\u30c3\u30d7\u306e\u30ad\u30fc\u3068\u5024\u306e\u7d44\u307f\u5408\u308f\u305b\u3067\u306e\u4f7f\u7528\u6cd5<\/a>      <\/li>      <li>        <a href=\"#i-10\">\u8907\u6570\u306e\u623b\u308a\u5024\u3092\u8fd4\u3059\u95a2\u6570\u3067\u306e\u6d3b\u7528\u65b9\u6cd5<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-11\">\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3067\u30da\u30a2\u306e\u52b9\u679c\u7684\u306a\u4f7f\u3044\u65b9<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-12\">C++\u30da\u30a2\u306e\u6027\u80fd\u6700\u9069\u5316\u3068\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-13\">\u30e1\u30e2\u30ea\u52b9\u7387\u3092\u8003\u616e\u3057\u305f\u30da\u30a2\u306e\u6700\u9069\u5b9f\u88c5\u65b9\u6cd5<\/a>      <\/li>      <li>        <a href=\"#i-14\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u610f\u8b58\u3057\u305fmove\u64cd\u4f5c\u306e\u6d3b\u7528<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-15\">\u30d1\u30e9\u30e1\u30fc\u30bf\u51e6\u7406\u3067\u306e\u5b89\u5168\u306a\u4f7f\u7528\u65b9\u6cd5<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-16\">C++ \u30da\u30a2\u3068\u95a2\u9023\u6a5f\u80fd\u306e\u6bd4\u8f03<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-17\">\u30bf\u30d7\u30eb\u3068\u30da\u30a2\u306e\u5229\u70b9\u306e\u30dd\u30a4\u30f3\u30c8<\/a>      <\/li>      <li>        <a href=\"#i-18\">\u69cb\u9020\u4f53\u3068\u306e\u6bd4\u8f03\u3067\u308f\u304b\u308bpair\u306e\u6ce8\u610f<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-19\">STL\u30b3\u30f3\u30c6\u30ca\u3068\u306e\u7d44\u307f\u5408\u308f\u305b\u30c6\u30af\u30cb\u30c3\u30af<\/a>      <\/li>    <\/ul>  <\/li>  <li class=\"last\">    <a href=\"#i-20\">\u3088\u304f\u3042\u308bC++\u30da\u30a2\u306e\u30a8\u30e9\u30fc\u3068\u89e3\u6c7a\u65b9\u6cd5<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-21\">\u578b\u5909\u63db\u306b\u95a2\u9023\u3059\u308b\u4e00\u822c\u7684\u306a\u30a8\u30e9\u30fc\u5bfe\u51e6\u6cd5<\/a>      <\/li>      <li>        <a href=\"#i-22\">\u30e1\u30e2\u30ea\u30ea\u30fc\u30af\u3092\u9632\u3050\u305f\u3081\u306e\u6ce8\u610f\u70b9<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-23\">\u30c7\u30d0\u30c3\u30b0\u6642\u306e\u30c8\u30e9\u30d6\u30eb\u89e3\u6c7a\u624b\u6cd5<\/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++ \u30da\u30a2\u3068\u306f\uff1f\u57fa\u790e\u304b\u3089\u7406\u89e3\u3059\u308b\u5b9a\u7fa9\u3068\u7279\u5fb4<\/h2>\n\n\n\n<p>C++\u306e\u30da\u30a2\uff08<code>std::pair<\/code>\uff09\u306f\u30012\u3064\u306e\u7570\u306a\u308b\u578b\u306e\u5024\u3092\u307e\u3068\u3081\u30661\u3064\u306e\u5358\u4f4d\u3068\u3057\u3066\u6271\u3046\u3053\u3068\u304c\u3067\u304d\u308b\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u30af\u30e9\u30b9\u3067\u3059\u3002STL\uff08Standard Template Library\uff09\u306e\u4e00\u90e8\u3068\u3057\u3066\u63d0\u4f9b\u3055\u308c\u3066\u304a\u308a\u3001<code>&lt;utility&gt;<\/code>\u30d8\u30c3\u30c0\u306b\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-1\">\u30da\u30a2\u30af\u30e9\u30b9\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u306e\u57fa\u672c\u69cb\u9020\u3092\u7406\u89e3\u3057\u3088\u3046<\/h3>\n\n\n\n<p><code>std::pair<\/code>\u306e\u57fa\u672c\u69cb\u9020\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u3063\u3066\u3044\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=\"\">template&lt;class T1, class T2&gt;\nstruct pair {\n    T1 first;   \/\/ 1\u756a\u76ee\u306e\u8981\u7d20\n    T2 second;  \/\/ 2\u756a\u76ee\u306e\u8981\u7d20\n\n    \/\/ \u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3084\u6f14\u7b97\u5b50\u306e\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\u306a\u3069\u3082\u63d0\u4f9b\n};<\/pre>\n\n\n\n<p>\u4e3b\u306a\u7279\u5fb4\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>2\u3064\u306e\u7570\u306a\u308b\u578b\uff08T1\u3068T2\uff09\u3092\u4fdd\u6301\u3067\u304d\u308b<\/li>\n\n\n\n<li><code>public<\/code>\u30e1\u30f3\u30d0\u3068\u3057\u3066<code>first<\/code>\u3068<code>second<\/code>\u3092\u6301\u3064<\/li>\n\n\n\n<li>\u6bd4\u8f03\u6f14\u7b97\u5b50\uff08&lt;, &gt;, &lt;=, &gt;=, ==, !=\uff09\u304c\u81ea\u52d5\u7684\u306b\u5b9a\u7fa9\u3055\u308c\u308b<\/li>\n\n\n\n<li>\u30b3\u30d4\u30fc\uff0f\u30e0\u30fc\u30d6\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3068\u30b3\u30d4\u30fc\uff0f\u30e0\u30fc\u30d6\u4ee3\u5165\u6f14\u7b97\u5b50\u3092\u5099\u3048\u308b<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-2\">\u6700\u521d\u3001\u4e8c\u756a\u76ee\u306e\u30e1\u30f3\u30d0\u30fc\u306e\u610f\u5473\u3068\u4f7f\u3044\u65b9<\/h3>\n\n\n\n<p>pair\u306e2\u3064\u306e\u30e1\u30f3\u30d0\u30fc\u306f\u3001\u305d\u308c\u305e\u308c\u7570\u306a\u308b\u5f79\u5272\u3084\u610f\u5473\u3092\u6301\u3064\u3053\u3068\u304c\u3067\u304d\u307e\u3059\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">#include &lt;utility&gt;\n#include &lt;string&gt;\n#include &lt;iostream&gt;\n\nint main() {\n    \/\/ \u5ea7\u6a19\u3092\u8868\u73fe\u3059\u308b\u4f8b\n    std::pair&lt;int, int&gt; point{10, 20};\n    std::cout &lt;&lt; \"X\u5ea7\u6a19: \" &lt;&lt; point.first &lt;&lt; \", Y\u5ea7\u6a19: \" &lt;&lt; point.second &lt;&lt; std::endl;\n\n    \/\/ \u30ad\u30fc\u3068\u5024\u306e\u7d44\u307f\u5408\u308f\u305b\u306e\u4f8b\n    std::pair&lt;std::string, int&gt; score{\"\u7530\u4e2d\", 85};\n    std::cout &lt;&lt; score.first &lt;&lt; \"\u3055\u3093\u306e\u70b9\u6570: \" &lt;&lt; score.second &lt;&lt; \"\u70b9\" &lt;&lt; std::endl;\n}<\/pre>\n\n\n\n<p>\u30e1\u30f3\u30d0\u30fc\u30a2\u30af\u30bb\u30b9\u306e\u7279\u5fb4\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>first<\/code>\u3068<code>second<\/code>\u306f\u516c\u958b\u30e1\u30f3\u30d0\u306a\u306e\u3067\u3001\u76f4\u63a5\u30a2\u30af\u30bb\u30b9\u53ef\u80fd<\/li>\n\n\n\n<li>const\u4fee\u98fe\u5b50\u306b\u3088\u308b\u8aad\u307f\u53d6\u308a\u5c02\u7528\u30a2\u30af\u30bb\u30b9\u3082\u53ef\u80fd<\/li>\n\n\n\n<li>\u69cb\u9020\u5316\u675f\u7e1b\uff08C++17\u4ee5\u964d\uff09\u306b\u3088\u308b\u5206\u89e3\u3082\u53ef\u80fd<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-3\">pair\u304c\u89e3\u6c7a\u3059\u308b\u5b9f\u8df5\u7684\u306a\u8ab2\u984c\u3068\u306f<\/h3>\n\n\n\n<p>pair\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5b9f\u8df5\u7684\u306a\u8ab2\u984c\u3092\u52b9\u7387\u7684\u306b\u89e3\u6c7a\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u95a2\u9023\u3059\u308b2\u3064\u306e\u5024\u306e\u7ba1\u7406\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=\"\">\/\/ \u30e6\u30fc\u30b6\u30fc\u306e\u5e74\u9f62\u3068\u8eab\u9577\u3092\u7ba1\u7406\nstd::pair&lt;int, double&gt; userProfile{25, 175.5};  \/\/ \u5e74\u9f62\u3068\u8eab\u9577(cm)<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>\u8907\u6570\u306e\u623b\u308a\u5024\u306e\u8fd4\u5374\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::pair&lt;bool, std::string&gt; validateInput(const std::string&amp; input) {\n    if (input.empty()) {\n        return {false, \"\u5165\u529b\u304c\u7a7a\u3067\u3059\"};  \/\/ \u30a8\u30e9\u30fc\u30b1\u30fc\u30b9\n    }\n    return {true, \"\u691c\u8a3c\u6210\u529f\"};  \/\/ \u6210\u529f\u30b1\u30fc\u30b9\n}<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li>\u30de\u30c3\u30d7\u306e\u30ad\u30fc\u3068\u5024\u306e\u4e00\u6642\u4fdd\u5b58\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;map&gt;\n\nstd::map&lt;std::string, int&gt; scores;\n\/\/ \u65b0\u3057\u3044\u8981\u7d20\u306e\u633f\u5165\u7d50\u679c\u3092\u78ba\u8a8d\nstd::pair&lt;std::map&lt;std::string, int&gt;::iterator, bool&gt; result = \n    scores.insert({\"\u5c71\u7530\", 90});\n\nif (result.second) {\n    std::cout &lt;&lt; \"\u633f\u5165\u6210\u529f\" &lt;&lt; std::endl;\n} else {\n    std::cout &lt;&lt; \"\u65e2\u306b\u5b58\u5728\u3057\u307e\u3059\" &lt;&lt; std::endl;\n}<\/pre>\n\n\n\n<p>pair\u306e\u6d3b\u7528\u306b\u3088\u308a\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30b3\u30fc\u30c9\u306e\u53ef\u8aad\u6027\u304c\u5411\u4e0a<\/li>\n\n\n\n<li>\u95a2\u9023\u30c7\u30fc\u30bf\u306e\u4e00\u62ec\u7ba1\u7406\u304c\u5bb9\u6613\u306b<\/li>\n\n\n\n<li>API\u306e\u8a2d\u8a08\u304c\u30b7\u30f3\u30d7\u30eb\u306b<\/li>\n\n\n\n<li>\u578b\u5b89\u5168\u6027\u304c\u78ba\u4fdd\u3055\u308c\u308b<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u57fa\u672c\u7684\u306a\u7406\u89e3\u306f\u3001\u3088\u308a\u9ad8\u5ea6\u306aSTL\u306e\u4f7f\u7528\u65b9\u6cd5\u3092\u5b66\u3076\u4e0a\u3067\u306e\u91cd\u8981\u306a\u57fa\u76e4\u3068\u306a\u308a\u307e\u3059\u3002\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u3053\u308c\u3089\u306e\u57fa\u790e\u77e5\u8b58\u3092\u6d3b\u7528\u3057\u305f\u5b9f\u8df5\u7684\u306a\u4f7f\u7528\u65b9\u6cd5\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u898b\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-4\">C++ \u30da\u30a2\u306e\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\u3092\u30de\u30b9\u30bf\u30fc\u3057\u3088\u3046<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-5\">\u30da\u30a2\u5909\u6570\u306e\u5ba3\u8a00\u3068\u521d\u671f\u5316\u306e\u69d8\u3005\u306a\u65b9\u6cd5<\/h3>\n\n\n\n<p>C++\u3067\u306f\u3001<code>std::pair<\/code>\u306e\u5ba3\u8a00\u3068\u521d\u671f\u5316\u3092\u8907\u6570\u306e\u65b9\u6cd5\u3067\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4ee5\u4e0b\u306b\u4e3b\u8981\u306a\u65b9\u6cd5\u3092\u793a\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">#include &lt;utility&gt;\n#include &lt;string&gt;\n#include &lt;iostream&gt;\n\nint main() {\n    \/\/ 1. \u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3092\u4f7f\u7528\u3057\u305f\u521d\u671f\u5316\n    std::pair&lt;std::string, int&gt; p1(\"hello\", 42);\n\n    \/\/ 2. \u6ce2\u62ec\u5f27\u306b\u3088\u308b\u521d\u671f\u5316\uff08C++11\u4ee5\u964d\u63a8\u5968\uff09\n    std::pair&lt;double, char&gt; p2{3.14, 'A'};\n\n    \/\/ 3. \u30c7\u30d5\u30a9\u30eb\u30c8\u521d\u671f\u5316\n    std::pair&lt;int, float&gt; p3;  \/\/ first=0, second=0.0\n\n    \/\/ 4. \u30b3\u30d4\u30fc\u521d\u671f\u5316\n    std::pair&lt;std::string, int&gt; p4 = {\"world\", 100};\n\n    \/\/ 5. \u30da\u30a2\u306e\u30b3\u30d4\u30fc\n    auto p5 = p4;  \/\/ p4\u306e\u578b\u3068\u5024\u304c\u30b3\u30d4\u30fc\u3055\u308c\u308b\n\n    \/\/ 6. \u65e2\u5b58\u306e\u30da\u30a2\u304b\u3089\u306e\u5909\u63db\n    std::pair&lt;int, int&gt; p6{10, 20};\n    std::pair&lt;double, double&gt; p7(p6);  \/\/ \u6697\u9ed9\u306e\u578b\u5909\u63db\n}<\/pre>\n\n\n\n<p>\u521d\u671f\u5316\u6642\u306e\u6ce8\u610f\u70b9\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u578b\u5909\u63db\u304c\u53ef\u80fd\u306a\u5834\u5408\u306f\u3001\u7570\u306a\u308b\u578b\u306e\u30da\u30a2\u9593\u3067\u3082\u30b3\u30d4\u30fc\u304c\u53ef\u80fd<\/li>\n\n\n\n<li>\u660e\u793a\u7684\u306a\u578b\u6307\u5b9a\u304c\u5fc5\u8981\u306a\u3044\u5834\u5408\u306f<code>auto<\/code>\u306e\u4f7f\u7528\u3092\u63a8\u5968<\/li>\n\n\n\n<li>C++17\u4ee5\u964d\u3067\u306f\u578b\u63a8\u8ad6\u88dc\u52a9\u306b\u3088\u308a\u3001\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306e\u578b\u6307\u5b9a\u304c\u4e0d\u8981\u306a\u5834\u5408\u3082\u3042\u308b<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-6\">make_pair\u95a2\u6570\u3092\u4f7f\u3063\u305f\u52b9\u7387\u7684\u306a\u751f\u6210\u65b9\u6cd5<\/h3>\n\n\n\n<p><code>std::make_pair<\/code>\u95a2\u6570\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u578b\u63a8\u8ad6\u306b\u3088\u308a\u7c21\u6f54\u306b\u30da\u30a2\u3092\u751f\u6210\u3067\u304d\u307e\u3059\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">#include &lt;utility&gt;\n#include &lt;string&gt;\n#include &lt;vector&gt;\n\nint main() {\n    \/\/ 1. \u57fa\u672c\u7684\u306amake_pair\u306e\u4f7f\u7528\n    auto p1 = std::make_pair(42, \"test\");  \/\/ pair&lt;int, const char*&gt;\n\n    \/\/ 2. \u95a2\u6570\u306e\u623b\u308a\u5024\u3068\u3057\u3066\u306e\u4f7f\u7528\n    auto createUserData(const std::string&amp; name, int age) {\n        return std::make_pair(name, age);\n    }\n\n    \/\/ 3. \u30b3\u30f3\u30c6\u30ca\u3067\u306e\u4f7f\u7528\n    std::vector&lt;std::pair&lt;std::string, int&gt;&gt; users;\n    users.push_back(std::make_pair(\"Alice\", 25));\n\n    \/\/ 4. \u578b\u5909\u63db\u3092\u4f34\u3046\u751f\u6210\n    auto p2 = std::make_pair(3.14159, 42);  \/\/ pair&lt;double, int&gt;\n\n    \/\/ 5. \u53c2\u7167\u3092\u4fdd\u6301\u3059\u308b\u30da\u30a2\u306e\u751f\u6210\n    int x = 10;\n    std::string s = \"hello\";\n    auto p3 = std::make_pair(std::ref(x), std::ref(s));\n}<\/pre>\n\n\n\n<p><code>make_pair<\/code>\u306e\u5229\u70b9\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30b3\u30fc\u30c9\u304c\u7c21\u6f54\u306b\u306a\u308b<\/li>\n\n\n\n<li>\u578b\u63a8\u8ad6\u306b\u3088\u308a\u8a18\u8ff0\u304c\u697d\u306b\u306a\u308b<\/li>\n\n\n\n<li>\u6697\u9ed9\u306e\u578b\u5909\u63db\u304c\u81ea\u52d5\u7684\u306b\u51e6\u7406\u3055\u308c\u308b<\/li>\n\n\n\n<li>\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u95a2\u6570\u3067\u306e\u4f7f\u7528\u304c\u5bb9\u6613<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-7\">\u69cb\u9020\u5316\u675f\u7e1b\u3092\u4f7f\u3063\u305f\u30e2\u30c0\u30f3\u306a\u66f8\u304d\u65b9<\/h3>\n\n\n\n<p>C++17\u3067\u5c0e\u5165\u3055\u308c\u305f\u69cb\u9020\u5316\u675f\u7e1b\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u30da\u30a2\u306e\u8981\u7d20\u306b\u7c21\u6f54\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u3059\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">#include &lt;utility&gt;\n#include &lt;string&gt;\n#include &lt;map&gt;\n#include &lt;iostream&gt;\n\nint main() {\n    \/\/ 1. \u57fa\u672c\u7684\u306a\u69cb\u9020\u5316\u675f\u7e1b\n    std::pair&lt;std::string, int&gt; user{\"Bob\", 30};\n    auto [name, age] = user;\n    std::cout &lt;&lt; \"Name: \" &lt;&lt; name &lt;&lt; \", Age: \" &lt;&lt; age &lt;&lt; std::endl;\n\n    \/\/ 2. map\u306einsert\u306e\u7d50\u679c\u3092\u53d7\u3051\u53d6\u308b\n    std::map&lt;std::string, int&gt; scores;\n    auto [iter, success] = scores.insert({\"Alice\", 95});\n\n    \/\/ 3. \u95a2\u6570\u306e\u623b\u308a\u5024\u3092\u76f4\u63a5\u5206\u89e3\n    auto getDimensions() {\n        return std::make_pair(1920, 1080);\n    }\n    auto [width, height] = getDimensions();\n\n    \/\/ 4. const\u53c2\u7167\u3067\u306e\u53d7\u3051\u53d6\u308a\n    const auto&amp; [first_name, years] = user;  \/\/ \u30b3\u30d4\u30fc\u3092\u907f\u3051\u308b\n\n    \/\/ 5. \u65e2\u5b58\u306e\u5909\u6570\u3078\u306e\u5206\u89e3\uff08C++17\uff09\n    std::string student_name;\n    int student_age;\n    std::pair&lt;std::string, int&gt; student{\"Charlie\", 20};\n    std::tie(student_name, student_age) = student;\n}<\/pre>\n\n\n\n<p>\u69cb\u9020\u5316\u675f\u7e1b\u306e\u5229\u70b9\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30b3\u30fc\u30c9\u304c\u8aad\u307f\u3084\u3059\u304f\u306a\u308b<\/li>\n\n\n\n<li>\u610f\u56f3\u304c\u660e\u78ba\u306b\u306a\u308b<\/li>\n\n\n\n<li>\u30bf\u30a4\u30d7\u91cf\u304c\u6e1b\u308b<\/li>\n\n\n\n<li>\u5909\u6570\u540d\u306b\u610f\u5473\u306e\u3042\u308b\u540d\u524d\u3092\u3064\u3051\u3089\u308c\u308b<\/li>\n<\/ul>\n\n\n\n<p>\u6ce8\u610f\u70b9\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>C++17\u4ee5\u964d\u3067\u306e\u307f\u4f7f\u7528\u53ef\u80fd<\/li>\n\n\n\n<li>\u5206\u89e3\u3055\u308c\u305f\u5909\u6570\u306f\u65b0\u3057\u3044\u30b9\u30b3\u30fc\u30d7\u3067\u5b9a\u7fa9\u3055\u308c\u308b<\/li>\n\n\n\n<li>const\u3084\u53c2\u7167\u4fee\u98fe\u5b50\u3082\u4f7f\u7528\u53ef\u80fd<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\u3092\u30de\u30b9\u30bf\u30fc\u3059\u308b\u3053\u3068\u3067\u3001\u3088\u308a\u8907\u96d1\u306aSTL\u306e\u6a5f\u80fd\u3092\u52b9\u679c\u7684\u306b\u6d3b\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u3053\u308c\u3089\u306e\u77e5\u8b58\u3092\u6d3b\u304b\u3057\u305f\u5b9f\u8df5\u7684\u306a\u6d3b\u7528\u30c6\u30af\u30cb\u30c3\u30af\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-8\">\u5b9f\u8df5\u7684\u306aC++ \u30da\u30a2\u306e\u6d3b\u7528\u30c6\u30af\u30cb\u30c3\u30af<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-9\">\u30de\u30c3\u30d7\u306e\u30ad\u30fc\u3068\u5024\u306e\u7d44\u307f\u5408\u308f\u305b\u3067\u306e\u4f7f\u7528\u6cd5<\/h3>\n\n\n\n<p>std::map\u3068pair\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u52b9\u7387\u7684\u306a\u30c7\u30fc\u30bf\u7ba1\u7406\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">#include &lt;map&gt;\n#include &lt;string&gt;\n#include &lt;iostream&gt;\n\nclass UserManager {\nprivate:\n    \/\/ \u30e6\u30fc\u30b6\u30fcID \u3068 \u30e6\u30fc\u30b6\u30fc\u60c5\u5831(\u540d\u524d, \u5e74\u9f62)\u306e\u30de\u30c3\u30d7\n    std::map&lt;int, std::pair&lt;std::string, int&gt;&gt; users;\n\npublic:\n    \/\/ \u30e6\u30fc\u30b6\u30fc\u306e\u8ffd\u52a0\n    bool addUser(int id, const std::string&amp; name, int age) {\n        auto result = users.insert({id, {name, age}});\n        return result.second;  \/\/ \u633f\u5165\u6210\u529f\u3057\u305f\u304b\u3069\u3046\u304b\u3092\u8fd4\u3059\n    }\n\n    \/\/ \u30e6\u30fc\u30b6\u30fc\u60c5\u5831\u306e\u66f4\u65b0\n    bool updateUser(int id, const std::string&amp; name, int age) {\n        auto it = users.find(id);\n        if (it != users.end()) {\n            it-&gt;second = std::make_pair(name, age);\n            return true;\n        }\n        return false;\n    }\n\n    \/\/ \u30e6\u30fc\u30b6\u30fc\u60c5\u5831\u306e\u53d6\u5f97\n    std::pair&lt;bool, std::pair&lt;std::string, int&gt;&gt; getUser(int id) const {\n        auto it = users.find(id);\n        if (it != users.end()) {\n            return {true, it-&gt;second};\n        }\n        return {false, {\"\", 0}};  \/\/ \u30e6\u30fc\u30b6\u30fc\u304c\u898b\u3064\u304b\u3089\u306a\u3044\u5834\u5408\n    }\n};\n\nint main() {\n    UserManager manager;\n\n    \/\/ \u30e6\u30fc\u30b6\u30fc\u306e\u8ffd\u52a0\n    manager.addUser(1, \"\u7530\u4e2d\", 25);\n    manager.addUser(2, \"\u9234\u6728\", 30);\n\n    \/\/ \u30e6\u30fc\u30b6\u30fc\u60c5\u5831\u306e\u53d6\u5f97\u3068\u8868\u793a\n    auto [found, userInfo] = manager.getUser(1);\n    if (found) {\n        auto [name, age] = userInfo;\n        std::cout &lt;&lt; \"\u540d\u524d: \" &lt;&lt; name &lt;&lt; \", \u5e74\u9f62: \" &lt;&lt; age &lt;&lt; std::endl;\n    }\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-10\">\u8907\u6570\u306e\u623b\u308a\u5024\u3092\u8fd4\u3059\u95a2\u6570\u3067\u306e\u6d3b\u7528\u65b9\u6cd5<\/h3>\n\n\n\n<p>pair\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u8907\u6570\u306e\u5024\u3092\u8fd4\u3059\u95a2\u6570\u3092\u52b9\u7387\u7684\u306b\u5b9f\u88c5\u3067\u304d\u307e\u3059\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">#include &lt;utility&gt;\n#include &lt;string&gt;\n#include &lt;cmath&gt;\n\nclass FileProcessor {\npublic:\n    \/\/ \u30d5\u30a1\u30a4\u30eb\u51e6\u7406\u306e\u7d50\u679c\u3092\u8fd4\u3059\n    std::pair&lt;bool, std::string&gt; processFile(const std::string&amp; filename) {\n        if (filename.empty()) {\n            return {false, \"\u30d5\u30a1\u30a4\u30eb\u540d\u304c\u7a7a\u3067\u3059\"};\n        }\n        \/\/ \u30d5\u30a1\u30a4\u30eb\u51e6\u7406\u30ed\u30b8\u30c3\u30af\n        return {true, \"\u51e6\u7406\u6210\u529f\"};\n    }\n};\n\nclass MathOperations {\npublic:\n    \/\/ \u5e73\u65b9\u6839\u306e\u8a08\u7b97\u3068\u6709\u52b9\u6027\u30c1\u30a7\u30c3\u30af\n    std::pair&lt;bool, double&gt; calculateSquareRoot(double value) {\n        if (value &lt; 0) {\n            return {false, 0.0};\n        }\n        return {true, std::sqrt(value)};\n    }\n\n    \/\/ \u9664\u7b97\u306e\u5b9f\u884c\u3068\u4f8b\u5916\u30c1\u30a7\u30c3\u30af\n    std::pair&lt;bool, double&gt; safeDivide(double numerator, double denominator) {\n        if (denominator == 0) {\n            return {false, 0.0};\n        }\n        return {true, numerator \/ denominator};\n    }\n};<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-11\">\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3067\u30da\u30a2\u306e\u52b9\u679c\u7684\u306a\u4f7f\u3044\u65b9<\/h3>\n\n\n\n<p>STL\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3068pair\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u8907\u96d1\u306a\u30c7\u30fc\u30bf\u51e6\u7406\u3092\u52b9\u7387\u7684\u306b\u5b9f\u88c5\u3067\u304d\u307e\u3059\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">#include &lt;vector&gt;\n#include &lt;algorithm&gt;\n#include &lt;iostream&gt;\n\nclass DataAnalyzer {\nprivate:\n    std::vector&lt;std::pair&lt;std::string, double&gt;&gt; dataPoints;\n\npublic:\n    \/\/ \u30c7\u30fc\u30bf\u30dd\u30a4\u30f3\u30c8\u306e\u8ffd\u52a0\n    void addDataPoint(const std::string&amp; label, double value) {\n        dataPoints.emplace_back(label, value);\n    }\n\n    \/\/ \u6700\u5927\u5024\u3092\u6301\u3064\u30c7\u30fc\u30bf\u30dd\u30a4\u30f3\u30c8\u3092\u898b\u3064\u3051\u308b\n    std::pair&lt;std::string, double&gt; findMaxValuePoint() const {\n        if (dataPoints.empty()) {\n            return {\"\", 0.0};\n        }\n\n        auto maxElement = std::max_element(\n            dataPoints.begin(), \n            dataPoints.end(),\n            [](const auto&amp; a, const auto&amp; b) {\n                return a.second &lt; b.second;\n            }\n        );\n\n        return *maxElement;\n    }\n\n    \/\/ \u5024\u306e\u7bc4\u56f2\u3067\u30c7\u30fc\u30bf\u3092\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\n    std::vector&lt;std::pair&lt;std::string, double&gt;&gt; filterByRange(\n        double minValue, \n        double maxValue\n    ) const {\n        std::vector&lt;std::pair&lt;std::string, double&gt;&gt; filtered;\n\n        std::copy_if(\n            dataPoints.begin(), \n            dataPoints.end(), \n            std::back_inserter(filtered),\n            [minValue, maxValue](const auto&amp; point) {\n                return point.second &gt;= minValue &amp;&amp; point.second &lt;= maxValue;\n            }\n        );\n\n        return filtered;\n    }\n};\n\nint main() {\n    DataAnalyzer analyzer;\n\n    \/\/ \u30c7\u30fc\u30bf\u306e\u8ffd\u52a0\n    analyzer.addDataPoint(\"A\", 10.5);\n    analyzer.addDataPoint(\"B\", 15.7);\n    analyzer.addDataPoint(\"C\", 8.3);\n\n    \/\/ \u6700\u5927\u5024\u3092\u6301\u3064\u30c7\u30fc\u30bf\u30dd\u30a4\u30f3\u30c8\u306e\u53d6\u5f97\n    auto [maxLabel, maxValue] = analyzer.findMaxValuePoint();\n    std::cout &lt;&lt; \"\u6700\u5927\u5024: \" &lt;&lt; maxLabel &lt;&lt; \" = \" &lt;&lt; maxValue &lt;&lt; std::endl;\n\n    \/\/ \u7bc4\u56f2\u3067\u306e\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\n    auto filtered = analyzer.filterByRange(9.0, 16.0);\n    for (const auto&amp; [label, value] : filtered) {\n        std::cout &lt;&lt; label &lt;&lt; \": \" &lt;&lt; value &lt;&lt; std::endl;\n    }\n}<\/pre>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u5b9f\u8df5\u7684\u306a\u30c6\u30af\u30cb\u30c3\u30af\u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30b3\u30fc\u30c9\u306e\u53ef\u8aad\u6027\u304c\u5411\u4e0a<\/li>\n\n\n\n<li>\u30a8\u30e9\u30fc\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0\u304c\u7c21\u6f54\u306b<\/li>\n\n\n\n<li>\u30c7\u30fc\u30bf\u69cb\u9020\u306e\u7ba1\u7406\u304c\u5bb9\u6613\u306b<\/li>\n\n\n\n<li>\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306e\u5b9f\u88c5\u304c\u52b9\u7387\u7684\u306b<\/li>\n<\/ul>\n\n\n\n<p>\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u3053\u308c\u3089\u306e\u5b9f\u88c5\u3092\u3055\u3089\u306b\u6700\u9069\u5316\u3059\u308b\u305f\u3081\u306e\u30c6\u30af\u30cb\u30c3\u30af\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-12\">C++\u30da\u30a2\u306e\u6027\u80fd\u6700\u9069\u5316\u3068\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-13\">\u30e1\u30e2\u30ea\u52b9\u7387\u3092\u8003\u616e\u3057\u305f\u30da\u30a2\u306e\u6700\u9069\u5b9f\u88c5\u65b9\u6cd5<\/h3>\n\n\n\n<p>\u30e1\u30e2\u30ea\u52b9\u7387\u306e\u826f\u3044pair\u306e\u5b9f\u88c5\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u70b9\u306b\u6ce8\u610f\u304c\u5fc5\u8981\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=\"\">#include &lt;utility&gt;\n#include &lt;string&gt;\n#include &lt;memory&gt;\n#include &lt;iostream&gt;\n\nclass User {\nprivate:\n    \/\/ \u5927\u304d\u306a\u30c7\u30fc\u30bf\u3092\u542b\u3080\u30af\u30e9\u30b9\n    std::string large_data;\npublic:\n    explicit User(std::string data) : large_data(std::move(data)) {}\n};\n\nclass OptimizedPairExample {\npublic:\n    \/\/ \u4e0d\u9069\u5207\u306a\u5b9f\u88c5\uff1a\u4e0d\u5fc5\u8981\u306a\u30b3\u30d4\u30fc\u304c\u767a\u751f\n    std::pair&lt;User, int&gt; createUserPairBad(const std::string&amp; data) {\n        User user(data);\n        return std::pair&lt;User, int&gt;(user, 1);  \/\/ user\u304c\u30b3\u30d4\u30fc\u3055\u308c\u308b\n    }\n\n    \/\/ \u6700\u9069\u5316\u3055\u308c\u305f\u5b9f\u88c5\uff1a\u30e0\u30fc\u30d6\u30bb\u30de\u30f3\u30c6\u30a3\u30af\u30b9\u3092\u6d3b\u7528\n    std::pair&lt;User, int&gt; createUserPairGood(std::string data) {\n        return std::pair&lt;User, int&gt;(User(std::move(data)), 1);  \/\/ \u30e0\u30fc\u30d6\u69cb\u7bc9\n    }\n\n    \/\/ \u3055\u3089\u306b\u6700\u9069\u5316\uff1aemplace\u69cb\u7bc9\u3092\u4f7f\u7528\n    std::pair&lt;User, int&gt; createUserPairBest(std::string data) {\n        return std::make_pair(User(std::move(data)), 1);  \/\/ \u52b9\u7387\u7684\u306a\u69cb\u7bc9\n    }\n};<\/pre>\n\n\n\n<p>\u30e1\u30e2\u30ea\u6700\u9069\u5316\u306e\u30dd\u30a4\u30f3\u30c8\uff1a<\/p>\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>\u30e0\u30fc\u30d6\u30bb\u30de\u30f3\u30c6\u30a3\u30af\u30b9\u3092\u6d3b\u7528\u3059\u308b<\/li>\n\n\n\n<li>\u9069\u5207\u306a\u30e1\u30e2\u30ea\u30a2\u30e9\u30a4\u30e1\u30f3\u30c8\u3092\u8003\u616e\u3059\u308b<\/li>\n\n\n\n<li>\u30b9\u30de\u30fc\u30c8\u30dd\u30a4\u30f3\u30bf\u3092\u6d3b\u7528\u3059\u308b\u5834\u5408\u306f\u6ce8\u610f\u304c\u5fc5\u8981<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-14\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u610f\u8b58\u3057\u305fmove\u64cd\u4f5c\u306e\u6d3b\u7528<\/h3>\n\n\n\n<p>move\u64cd\u4f5c\u3092\u52b9\u679c\u7684\u306b\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">#include &lt;utility&gt;\n#include &lt;vector&gt;\n#include &lt;string&gt;\n\nclass PairContainer {\nprivate:\n    std::vector&lt;std::pair&lt;std::string, std::vector&lt;int&gt;&gt;&gt; data;\n\npublic:\n    \/\/ \u52b9\u7387\u7684\u306a\u30c7\u30fc\u30bf\u8ffd\u52a0\n    void addData(std::string key, std::vector&lt;int&gt; values) {\n        \/\/ \u30e0\u30fc\u30d6\u69cb\u7bc9\u3067\u30b3\u30d4\u30fc\u3092\u56de\u907f\n        data.emplace_back(std::move(key), std::move(values));\n    }\n\n    \/\/ \u30c7\u30fc\u30bf\u306e\u79fb\u52d5\u3068\u66f4\u65b0\n    bool updateData(size_t index, std::string new_key, std::vector&lt;int&gt; new_values) {\n        if (index &gt;= data.size()) return false;\n\n        \/\/ \u65e2\u5b58\u30c7\u30fc\u30bf\u3092\u79fb\u52d5\u3067\u7f6e\u304d\u63db\u3048\n        data[index] = std::make_pair(\n            std::move(new_key),\n            std::move(new_values)\n        );\n        return true;\n    }\n\n    \/\/ \u52b9\u7387\u7684\u306a\u30c7\u30fc\u30bf\u53d6\u5f97\n    std::pair&lt;std::string, std::vector&lt;int&gt;&gt; extractData(size_t index) {\n        if (index &gt;= data.size()) {\n            return {};  \/\/ \u7a7a\u306e\u30da\u30a2\u3092\u8fd4\u3059\n        }\n\n        \/\/ \u30c7\u30fc\u30bf\u3092\u79fb\u52d5\u3067\u53d6\u308a\u51fa\u3059\n        auto result = std::move(data[index]);\n        data.erase(data.begin() + index);\n        return result;\n    }\n};<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-15\">\u30d1\u30e9\u30e1\u30fc\u30bf\u51e6\u7406\u3067\u306e\u5b89\u5168\u306a\u4f7f\u7528\u65b9\u6cd5<\/h3>\n\n\n\n<p>\u5b89\u5168\u3067\u52b9\u7387\u7684\u306a\u30d1\u30e9\u30e1\u30fc\u30bf\u51e6\u7406\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">#include &lt;utility&gt;\n#include &lt;string&gt;\n#include &lt;optional&gt;\n\nclass SafePairProcessor {\npublic:\n    \/\/ const\u53c2\u7167\u3067\u306e\u53d7\u3051\u53d6\u308a\n    static void processPairByConstRef(\n        const std::pair&lt;std::string, int&gt;&amp; data\n    ) {\n        \/\/ \u30c7\u30fc\u30bf\u306e\u8aad\u307f\u53d6\u308a\u306e\u307f\u306e\u51e6\u7406\n        std::cout &lt;&lt; \"\u51e6\u7406: \" &lt;&lt; data.first &lt;&lt; \", \" &lt;&lt; data.second &lt;&lt; std::endl;\n    }\n\n    \/\/ \u5024\u6e21\u3057\u3067\u306e\u30e0\u30fc\u30d6\u51e6\u7406\n    static std::pair&lt;std::string, int&gt; processPairByValue(\n        std::pair&lt;std::string, int&gt; data\n    ) {\n        \/\/ \u30c7\u30fc\u30bf\u306e\u5909\u66f4\u3092\u4f34\u3046\u51e6\u7406\n        data.first += \"_processed\";\n        data.second *= 2;\n        return data;  \/\/ NRVO\uff08Named Return Value Optimization\uff09\u306e\u6d3b\u7528\n    }\n\n    \/\/ \u30a8\u30e9\u30fc\u51e6\u7406\u3092\u542b\u3080\u5b89\u5168\u306a\u51e6\u7406\n    static std::optional&lt;std::pair&lt;std::string, int&gt;&gt; safeProcess(\n        const std::string&amp; input,\n        int value\n    ) {\n        if (input.empty() || value &lt; 0) {\n            return std::nullopt;\n        }\n        return std::make_pair(input, value);\n    }\n\n    \/\/ \u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u3092\u4f7f\u7528\u3057\u305f\u6c4e\u7528\u7684\u306a\u51e6\u7406\n    template&lt;typename T1, typename T2&gt;\n    static std::pair&lt;T1, T2&gt; transformPair(\n        std::pair&lt;T1, T2&gt; input,\n        auto transformer\n    ) {\n        transformer(input.first, input.second);\n        return input;\n    }\n};\n\nint main() {\n    \/\/ \u4f7f\u7528\u4f8b\n    auto data = std::make_pair(std::string(\"test\"), 42);\n\n    \/\/ \u5b89\u5168\u306a\u51e6\u7406\u306e\u5b9f\u884c\n    SafePairProcessor::processPairByConstRef(data);\n\n    \/\/ \u30c7\u30fc\u30bf\u306e\u5909\u63db\n    auto processed = SafePairProcessor::processPairByValue(std::move(data));\n\n    \/\/ \u30a8\u30e9\u30fc\u51e6\u7406\u3092\u542b\u3080\u51e6\u7406\n    if (auto result = SafePairProcessor::safeProcess(\"input\", 10)) {\n        std::cout &lt;&lt; \"\u51e6\u7406\u6210\u529f: \" &lt;&lt; result-&gt;first &lt;&lt; std::endl;\n    }\n\n    \/\/ \u6c4e\u7528\u7684\u306a\u5909\u63db\n    auto transformed = SafePairProcessor::transformPair(\n        std::make_pair(10, 20),\n        [](auto&amp; first, auto&amp; second) {\n            first *= 2;\n            second += 5;\n        }\n    );\n}<\/pre>\n\n\n\n<p>\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>\u30e1\u30e2\u30ea\u4f7f\u7528\u306e\u6700\u9069\u5316<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u9069\u5207\u306a\u30b5\u30a4\u30ba\u306e\u30c7\u30fc\u30bf\u578b\u306e\u9078\u629e<\/li>\n\n\n\n<li>\u4e0d\u5fc5\u8981\u306a\u30b3\u30d4\u30fc\u306e\u56de\u907f<\/li>\n\n\n\n<li>\u30b9\u30de\u30fc\u30c8\u30dd\u30a4\u30f3\u30bf\u306e\u9069\u5207\u306a\u4f7f\u7528<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30e0\u30fc\u30d6\u30bb\u30de\u30f3\u30c6\u30a3\u30af\u30b9\u306e\u6d3b\u7528<\/li>\n\n\n\n<li>\u53c2\u7167\u306e\u9069\u5207\u306a\u4f7f\u7528<\/li>\n\n\n\n<li>\u52b9\u7387\u7684\u306a\u30e1\u30e2\u30ea\u30a2\u30ed\u30b1\u30fc\u30b7\u30e7\u30f3<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5b89\u5168\u6027\u306e\u78ba\u4fdd<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>const\u4fee\u98fe\u5b50\u306e\u9069\u5207\u306a\u4f7f\u7528<\/li>\n\n\n\n<li>\u30a8\u30e9\u30fc\u51e6\u7406\u306e\u5b9f\u88c5<\/li>\n\n\n\n<li>\u578b\u5b89\u5168\u6027\u306e\u78ba\u4fdd<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u6700\u9069\u5316\u30c6\u30af\u30cb\u30c3\u30af\u3092\u9069\u5207\u306b\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u52b9\u7387\u7684\u3067\u5b89\u5168\u306a\u30b3\u30fc\u30c9\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-16\">C++ \u30da\u30a2\u3068\u95a2\u9023\u6a5f\u80fd\u306e\u6bd4\u8f03<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-17\">\u30bf\u30d7\u30eb\u3068\u30da\u30a2\u306e\u5229\u70b9\u306e\u30dd\u30a4\u30f3\u30c8<\/h3>\n\n\n\n<p><code>std::pair<\/code>\u3068<code>std::tuple<\/code>\u306e\u9055\u3044\u3068\u3001\u305d\u308c\u305e\u308c\u306e\u7279\u5fb4\u3092\u7406\u89e3\u3057\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;tuple&gt;\n#include &lt;utility&gt;\n#include &lt;string&gt;\n#include &lt;iostream&gt;\n\nclass DataContainer {\npublic:\n    \/\/ pair\u306e\u4f7f\u7528\u4f8b\n    static void demonstratePair() {\n        \/\/ 2\u3064\u306e\u8981\u7d20\u306e\u307f\u3092\u6271\u3046\u5834\u5408\n        std::pair&lt;std::string, int&gt; user{\"Alice\", 25};\n        std::cout &lt;&lt; user.first &lt;&lt; \": \" &lt;&lt; user.second &lt;&lt; std::endl;\n    }\n\n    \/\/ tuple\u306e\u4f7f\u7528\u4f8b\n    static void demonstrateTuple() {\n        \/\/ 3\u3064\u4ee5\u4e0a\u306e\u8981\u7d20\u3092\u6271\u3046\u5834\u5408\n        std::tuple&lt;std::string, int, double&gt; data{\"Bob\", 30, 175.5};\n        std::cout &lt;&lt; std::get&lt;0&gt;(data) &lt;&lt; \": \" \n                  &lt;&lt; std::get&lt;1&gt;(data) &lt;&lt; \", \"\n                  &lt;&lt; std::get&lt;2&gt;(data) &lt;&lt; std::endl;\n    }\n\n    \/\/ \u4f7f\u7528\u5834\u9762\u306e\u6bd4\u8f03\n    static void compareUsage() {\n        \/\/ pair\u306e\u5834\u5408\uff1a\u7c21\u6f54\u3067\u76f4\u611f\u7684\n        std::pair&lt;int, std::string&gt; coordinate{10, \"Point A\"};\n        auto [x, name] = coordinate;  \/\/ \u69cb\u9020\u5316\u675f\u7e1b\u304c\u7c21\u5358\n\n        \/\/ tuple\u306e\u5834\u5408\uff1a\u3088\u308a\u67d4\u8edf\u3060\u304c\u3001\u3084\u3084\u8907\u96d1\n        std::tuple&lt;int, std::string, double&gt; position{10, \"Point B\", 3.14};\n        auto [x_pos, label, angle] = position;  \/\/ C++17\u4ee5\u964d\u3067\u53ef\u80fd\n    }\n};<\/pre>\n\n\n\n<p>\u6bd4\u8f03\u30dd\u30a4\u30f3\u30c8\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>pair\u306e\u5229\u70b9\uff1a<\/li>\n\n\n\n<li>\u30b7\u30f3\u30d7\u30eb\u3067\u76f4\u611f\u7684<\/li>\n\n\n\n<li>first\/second\u3067\u660e\u78ba\u306a\u30a2\u30af\u30bb\u30b9<\/li>\n\n\n\n<li>\u6bd4\u8f03\u6f14\u7b97\u5b50\u304c\u81ea\u52d5\u7684\u306b\u5b9a\u7fa9\u3055\u308c\u308b<\/li>\n\n\n\n<li>\u30e1\u30e2\u30ea\u52b9\u7387\u304c\u826f\u3044<\/li>\n\n\n\n<li>tuple\u306e\u5229\u70b9\uff1a<\/li>\n\n\n\n<li>\u4efb\u610f\u306e\u6570\u306e\u8981\u7d20\u3092\u4fdd\u6301\u53ef\u80fd<\/li>\n\n\n\n<li>\u578b\u306e\u7d44\u307f\u5408\u308f\u305b\u304c\u81ea\u7531<\/li>\n\n\n\n<li>std::tie\u306b\u3088\u308b\u8907\u6570\u5909\u6570\u306e\u540c\u6642\u4ee3\u5165<\/li>\n\n\n\n<li>\u30e1\u30bf\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3067\u306e\u6d3b\u7528<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-18\">\u69cb\u9020\u4f53\u3068\u306e\u6bd4\u8f03\u3067\u308f\u304b\u308bpair\u306e\u6ce8\u610f<\/h3>\n\n\n\n<p>\u69cb\u9020\u4f53\u3068<code>std::pair<\/code>\u306e\u4f7f\u3044\u5206\u3051\u306b\u3064\u3044\u3066\u8003\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=\"\">#include &lt;utility&gt;\n#include &lt;string&gt;\n\n\/\/ \u69cb\u9020\u4f53\u306b\u3088\u308b\u5b9f\u88c5\nstruct UserData {\n    std::string name;\n    int age;\n\n    \/\/ \u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3067\u521d\u671f\u5316\n    UserData(std::string n, int a) \n        : name(std::move(n)), age(a) {}\n};\n\n\/\/ pair\u306b\u3088\u308b\u5b9f\u88c5\nclass UserManager {\nprivate:\n    std::pair&lt;std::string, int&gt; userData;\n\npublic:\n    UserManager(std::string name, int age)\n        : userData(std::move(name), age) {}\n\n    \/\/ \u30c7\u30fc\u30bf\u30a2\u30af\u30bb\u30b9\u7528\u306e\u30e1\u30bd\u30c3\u30c9\n    const std::string&amp; getName() const { return userData.first; }\n    int getAge() const { return userData.second; }\n};\n\n\/\/ \u4f7f\u3044\u5206\u3051\u306e\u4f8b\nclass DataHandler {\npublic:\n    \/\/ \u4e00\u6642\u7684\u306a\u30c7\u30fc\u30bf\u306e\u7d44\u307f\u5408\u308f\u305b\u306b\u306fpair\u304c\u9069\u5207\n    static std::pair&lt;bool, std::string&gt; validateData(const std::string&amp; data) {\n        if (data.empty()) {\n            return {false, \"\u30c7\u30fc\u30bf\u304c\u7a7a\u3067\u3059\"};\n        }\n        return {true, \"\u691c\u8a3c\u6210\u529f\"};\n    }\n\n    \/\/ \u660e\u78ba\u306a\u610f\u5473\u3092\u6301\u3064\u30c7\u30fc\u30bf\u69cb\u9020\u306b\u306f\u69cb\u9020\u4f53\u304c\u9069\u5207\n    struct ValidationResult {\n        bool isValid;\n        std::string message;\n        int errorCode;\n\n        ValidationResult(bool valid, std::string msg, int code = 0)\n            : isValid(valid), message(std::move(msg)), errorCode(code) {}\n    };\n};<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-19\">STL\u30b3\u30f3\u30c6\u30ca\u3068\u306e\u7d44\u307f\u5408\u308f\u305b\u30c6\u30af\u30cb\u30c3\u30af<\/h3>\n\n\n\n<p>STL\u30b3\u30f3\u30c6\u30ca\u3068<code>std::pair<\/code>\u3092\u52b9\u679c\u7684\u306b\u7d44\u307f\u5408\u308f\u305b\u308b\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">#include &lt;map&gt;\n#include &lt;vector&gt;\n#include &lt;algorithm&gt;\n\nclass STLPairExample {\npublic:\n    \/\/ map\u3067\u306e\u6d3b\u7528\n    static void demonstrateMapUsage() {\n        std::map&lt;std::string, int&gt; scores;\n\n        \/\/ \u633f\u5165\u7d50\u679c\u306e\u78ba\u8a8d\n        auto [iter, success] = scores.insert({\"Alice\", 95});\n        if (!success) {\n            \/\/ \u65e2\u5b58\u306e\u8981\u7d20\u306e\u66f4\u65b0\n            iter-&gt;second = 95;\n        }\n    }\n\n    \/\/ vector\u3067\u306e\u30da\u30a2\u306e\u6d3b\u7528\n    static void demonstrateVectorUsage() {\n        std::vector&lt;std::pair&lt;std::string, double&gt;&gt; measurements;\n\n        \/\/ \u30c7\u30fc\u30bf\u306e\u8ffd\u52a0\n        measurements.emplace_back(\"Temperature\", 25.5);\n        measurements.emplace_back(\"Humidity\", 60.0);\n\n        \/\/ \u30bd\u30fc\u30c8\uff08\u7b2c\u4e8c\u8981\u7d20\u3067\u30bd\u30fc\u30c8\uff09\n        std::sort(measurements.begin(), measurements.end(),\n            [](const auto&amp; a, const auto&amp; b) {\n                return a.second &lt; b.second;\n            });\n    }\n\n    \/\/ \u8907\u5408\u30b3\u30f3\u30c6\u30ca\u3067\u306e\u6d3b\u7528\n    static void demonstrateComplexUsage() {\n        \/\/ \u30cd\u30b9\u30c8\u3055\u308c\u305f\u30b3\u30f3\u30c6\u30ca\n        std::map&lt;std::string, std::vector&lt;std::pair&lt;std::string, int&gt;&gt;&gt; userData;\n\n        \/\/ \u30c7\u30fc\u30bf\u306e\u8ffd\u52a0\n        userData[\"Group A\"].push_back({\"Alice\", 95});\n        userData[\"Group A\"].push_back({\"Bob\", 87});\n\n        \/\/ \u30c7\u30fc\u30bf\u306e\u53d6\u5f97\u3068\u51e6\u7406\n        for (const auto&amp; [group, members] : userData) {\n            for (const auto&amp; [name, score] : members) {\n                std::cout &lt;&lt; group &lt;&lt; \": \" &lt;&lt; name &lt;&lt; \" - \" &lt;&lt; score &lt;&lt; std::endl;\n            }\n        }\n    }\n};<\/pre>\n\n\n\n<p>STL\u3068\u306e\u7d44\u307f\u5408\u308f\u305b\u306e\u30dd\u30a4\u30f3\u30c8\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30b3\u30f3\u30c6\u30ca\u306e\u9078\u629e<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>map\/multimap: \u30ad\u30fc\u3068\u5024\u306e\u95a2\u4fc2\u3092\u8868\u73fe<\/li>\n\n\n\n<li>vector: \u9806\u5e8f\u4ed8\u304d\u306e\u30da\u30a2\u306e\u30b3\u30ec\u30af\u30b7\u30e7\u30f3<\/li>\n\n\n\n<li>set: \u30e6\u30cb\u30fc\u30af\u306a\u30da\u30a2\u306e\u7ba1\u7406<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306e\u6d3b\u7528<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>sort: \u30ab\u30b9\u30bf\u30e0\u6bd4\u8f03\u95a2\u6570\u3067\u306e\u4e26\u3079\u66ff\u3048<\/li>\n\n\n\n<li>find: \u6761\u4ef6\u306b\u5408\u3046\u30da\u30a2\u306e\u691c\u7d22<\/li>\n\n\n\n<li>transform: \u30da\u30a2\u306e\u5909\u63db\u51e6\u7406<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30a4\u30c6\u30ec\u30fc\u30bf\u306e\u4f7f\u7528<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7bc4\u56f2\u30d9\u30fc\u30b9for\u30eb\u30fc\u30d7<\/li>\n\n\n\n<li>\u69cb\u9020\u5316\u675f\u7e1b\u3068\u306e\u7d44\u307f\u5408\u308f\u305b<\/li>\n\n\n\n<li>\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3068\u306e\u9023\u643a<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u6bd4\u8f03\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u3067\u3001\u9069\u5207\u306a\u30c7\u30fc\u30bf\u69cb\u9020\u306e\u9078\u629e\u3068\u52b9\u7387\u7684\u306a\u5b9f\u88c5\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-20\">\u3088\u304f\u3042\u308bC++\u30da\u30a2\u306e\u30a8\u30e9\u30fc\u3068\u89e3\u6c7a\u65b9\u6cd5<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-21\">\u578b\u5909\u63db\u306b\u95a2\u9023\u3059\u308b\u4e00\u822c\u7684\u306a\u30a8\u30e9\u30fc\u5bfe\u51e6\u6cd5<\/h3>\n\n\n\n<p>\u578b\u5909\u63db\u306b\u95a2\u9023\u3059\u308b\u30a8\u30e9\u30fc\u306f\u6700\u3082\u4e00\u822c\u7684\u306a\u554f\u984c\u306e\u4e00\u3064\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=\"\">#include &lt;utility&gt;\n#include &lt;string&gt;\n#include &lt;iostream&gt;\n\nclass TypeConversionErrors {\npublic:\n    \/\/ \u4e00\u822c\u7684\u306a\u30a8\u30e9\u30fc\u30b1\u30fc\u30b9\u3068\u89e3\u6c7a\u7b56\n    static void demonstrateCommonErrors() {\n        \/\/ \u30a8\u30e9\u30fc1: \u6697\u9ed9\u306e\u578b\u5909\u63db\u304c\u5931\u6557\u3059\u308b\u30b1\u30fc\u30b9\n        \/\/ std::pair&lt;int, int&gt; p1 = {3.14, 2.718};  \/\/ \u8b66\u544a: \u7cbe\u5ea6\u306e\u640d\u5931\n\n        \/\/ \u89e3\u6c7a\u7b561: \u660e\u793a\u7684\u306a\u578b\u5909\u63db\n        std::pair&lt;int, int&gt; p1 = {static_cast&lt;int&gt;(3.14), static_cast&lt;int&gt;(2.718)};\n\n        \/\/ \u30a8\u30e9\u30fc2: const char*\u304b\u3089std::string\u3078\u306e\u5909\u63db\n        \/\/ std::pair&lt;std::string, std::string&gt; p2(\"hello\", \"world\");  \/\/ C++17\u4ee5\u524d\u3067\u30a8\u30e9\u30fc\n\n        \/\/ \u89e3\u6c7a\u7b562: \u660e\u793a\u7684\u306astring\u69cb\u7bc9\n        std::pair&lt;std::string, std::string&gt; p2{std::string(\"hello\"), std::string(\"world\")};\n\n        \/\/ \u30a8\u30e9\u30fc3: \u7570\u306a\u308b\u578b\u306e\u30da\u30a2\u9593\u3067\u306e\u4ee3\u5165\n        std::pair&lt;int, double&gt; p3{1, 2.5};\n        \/\/ std::pair&lt;double, double&gt; p4 = p3;  \/\/ C++11\u4ee5\u524d\u3067\u30a8\u30e9\u30fc\n\n        \/\/ \u89e3\u6c7a\u7b563: \u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3092\u4f7f\u7528\n        std::pair&lt;double, double&gt; p4(p3.first, p3.second);\n    }\n\n    \/\/ \u578b\u5909\u63db\u3092\u5b89\u5168\u306b\u884c\u3046\u30d8\u30eb\u30d1\u30fc\u95a2\u6570\n    template&lt;typename T1, typename T2, typename U1, typename U2&gt;\n    static std::pair&lt;T1, T2&gt; safePairConvert(const std::pair&lt;U1, U2&gt;&amp; source) {\n        return std::pair&lt;T1, T2&gt;(\n            static_cast&lt;T1&gt;(source.first),\n            static_cast&lt;T2&gt;(source.second)\n        );\n    }\n};<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-22\">\u30e1\u30e2\u30ea\u30ea\u30fc\u30af\u3092\u9632\u3050\u305f\u3081\u306e\u6ce8\u610f\u70b9<\/h3>\n\n\n\n<p>\u30e1\u30e2\u30ea\u7ba1\u7406\u306b\u95a2\u9023\u3059\u308b\u554f\u984c\u3068\u5bfe\u7b56\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;memory&gt;\n#include &lt;utility&gt;\n\nclass MemoryLeakPrevention {\npublic:\n    \/\/ \u30e1\u30e2\u30ea\u30ea\u30fc\u30af\u304c\u767a\u751f\u3057\u3084\u3059\u3044\u5b9f\u88c5\n    class ResourceHolder {\n        int* data;\n    public:\n        explicit ResourceHolder(int value) : data(new int(value)) {}\n        ~ResourceHolder() { delete data; }\n\n        \/\/ \u30b3\u30d4\u30fc\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3068\u30b3\u30d4\u30fc\u4ee3\u5165\u6f14\u7b97\u5b50\u304c\u672a\u5b9a\u7fa9\n        \/\/ \u2192 \u30e1\u30e2\u30ea\u30ea\u30fc\u30af\u306e\u5371\u967a\u6027\n    };\n\n    \/\/ \u6539\u5584\u3055\u308c\u305f\u5b9f\u88c5\n    class SafeResourceHolder {\n        std::unique_ptr&lt;int&gt; data;\n    public:\n        explicit SafeResourceHolder(int value) \n            : data(std::make_unique&lt;int&gt;(value)) {}\n\n        \/\/ \u30e0\u30fc\u30d6\u64cd\u4f5c\u306e\u307f\u3092\u8a31\u53ef\n        SafeResourceHolder(SafeResourceHolder&amp;&amp;) = default;\n        SafeResourceHolder&amp; operator=(SafeResourceHolder&amp;&amp;) = default;\n\n        \/\/ \u30b3\u30d4\u30fc\u3092\u7981\u6b62\n        SafeResourceHolder(const SafeResourceHolder&amp;) = delete;\n        SafeResourceHolder&amp; operator=(const SafeResourceHolder&amp;) = delete;\n    };\n\n    \/\/ \u5b89\u5168\u306a\u30da\u30a2\u306e\u4f7f\u7528\u4f8b\n    static void demonstrateSafeUsage() {\n        \/\/ \u30b9\u30de\u30fc\u30c8\u30dd\u30a4\u30f3\u30bf\u3092\u4f7f\u7528\u3057\u305f\u30da\u30a2\n        auto p1 = std::make_pair(\n            std::make_unique&lt;int&gt;(10),\n            std::make_unique&lt;std::string&gt;(\"test\")\n        );\n\n        \/\/ \u30e0\u30fc\u30d6\u306b\u3088\u308b\u5b89\u5168\u306a\u8ee2\u9001\n        auto p2 = std::make_pair(\n            std::move(p1.first),\n            std::move(p1.second)\n        );\n    }\n};<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-23\">\u30c7\u30d0\u30c3\u30b0\u6642\u306e\u30c8\u30e9\u30d6\u30eb\u89e3\u6c7a\u624b\u6cd5<\/h3>\n\n\n\n<p>\u30c7\u30d0\u30c3\u30b0\u6642\u306b\u3088\u304f\u906d\u9047\u3059\u308b\u554f\u984c\u3068\u89e3\u6c7a\u7b56\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;iostream&gt;\n#include &lt;cassert&gt;\n\nclass PairDebugging {\npublic:\n    \/\/ \u30c7\u30d0\u30c3\u30b0\u7528\u306e\u30d8\u30eb\u30d1\u30fc\u95a2\u6570\n    template&lt;typename T1, typename T2&gt;\n    static void debugPrint(const std::pair&lt;T1, T2&gt;&amp; p, const char* label = \"\") {\n        std::cout &lt;&lt; label &lt;&lt; \"first: \" &lt;&lt; p.first \n                  &lt;&lt; \", second: \" &lt;&lt; p.second &lt;&lt; std::endl;\n    }\n\n    \/\/ \u5024\u306e\u691c\u8a3c\u7528\u95a2\u6570\n    template&lt;typename T1, typename T2&gt;\n    static bool validatePair(\n        const std::pair&lt;T1, T2&gt;&amp; p,\n        const T1&amp; expectedFirst,\n        const T2&amp; expectedSecond\n    ) {\n        return p.first == expectedFirst &amp;&amp; p.second == expectedSecond;\n    }\n\n    \/\/ \u3088\u304f\u3042\u308b\u554f\u984c\u3068\u89e3\u6c7a\u7b56\u306e\u30c7\u30e2\n    static void demonstrateDebugging() {\n        try {\n            \/\/ 1. \u5024\u306e\u521d\u671f\u5316\u78ba\u8a8d\n            std::pair&lt;int, int&gt; p1;  \/\/ \u30c7\u30d5\u30a9\u30eb\u30c8\u521d\u671f\u5316\n            debugPrint(p1, \"\u30c7\u30d5\u30a9\u30eb\u30c8\u521d\u671f\u5316: \");  \/\/ 0, 0\u304c\u51fa\u529b\u3055\u308c\u308b\n\n            \/\/ 2. \u7bc4\u56f2\u30c1\u30a7\u30c3\u30af\n            std::pair&lt;size_t, int&gt; p2{0, -1};\n            assert(p2.second &gt;= 0 &amp;&amp; \"\u8ca0\u306e\u5024\u306f\u8a31\u53ef\u3055\u308c\u3066\u3044\u307e\u305b\u3093\");\n\n            \/\/ 3. null\u30c1\u30a7\u30c3\u30af\uff08\u30dd\u30a4\u30f3\u30bf\u3092\u542b\u3080\u30da\u30a2\uff09\n            auto p3 = std::make_pair(\n                std::make_unique&lt;int&gt;(10),\n                std::make_unique&lt;int&gt;(20)\n            );\n            assert(p3.first &amp;&amp; p3.second &amp;&amp; \"null\u30dd\u30a4\u30f3\u30bf\u304c\u691c\u51fa\u3055\u308c\u307e\u3057\u305f\");\n\n            \/\/ 4. \u578b\u306e\u4e0d\u4e00\u81f4\u306e\u691c\u51fa\n            auto detectTypeMatch = [](const auto&amp; pair) {\n                using FirstType = std::decay_t&lt;decltype(pair.first)&gt;;\n                using SecondType = std::decay_t&lt;decltype(pair.second)&gt;;\n                std::cout &lt;&lt; \"\u578b\u306e\u4e00\u81f4: \" \n                          &lt;&lt; std::is_same_v&lt;FirstType, SecondType&gt; \n                          &lt;&lt; std::endl;\n            };\n\n            auto p4 = std::make_pair(1, 1.0);\n            detectTypeMatch(p4);  \/\/ \u578b\u306e\u4e0d\u4e00\u81f4\u3092\u691c\u51fa\n\n        } catch (const std::exception&amp; e) {\n            std::cerr &lt;&lt; \"\u30a8\u30e9\u30fc\u767a\u751f: \" &lt;&lt; e.what() &lt;&lt; std::endl;\n        }\n    }\n};\n\n\/\/ \u30c7\u30d0\u30c3\u30b0\u7528\u306e\u30ab\u30b9\u30bf\u30e0\u30da\u30a2\u30e9\u30c3\u30d1\u30fc\ntemplate&lt;typename T1, typename T2&gt;\nclass DebugPair {\n    std::pair&lt;T1, T2&gt; data;\n\npublic:\n    DebugPair(T1 first, T2 second) : data(std::move(first), std::move(second)) {\n        std::cout &lt;&lt; \"\u30da\u30a2\u4f5c\u6210: \" &lt;&lt; data.first &lt;&lt; \", \" &lt;&lt; data.second &lt;&lt; std::endl;\n    }\n\n    void set_first(T1 value) {\n        std::cout &lt;&lt; \"first\u66f4\u65b0: \" &lt;&lt; value &lt;&lt; std::endl;\n        data.first = std::move(value);\n    }\n\n    void set_second(T2 value) {\n        std::cout &lt;&lt; \"second\u66f4\u65b0: \" &lt;&lt; value &lt;&lt; std::endl;\n        data.second = std::move(value);\n    }\n\n    const T1&amp; get_first() const { return data.first; }\n    const T2&amp; get_second() const { return data.second; }\n};<\/pre>\n\n\n\n<p>\u30c7\u30d0\u30c3\u30b0\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30a8\u30e9\u30fc\u306e\u4e88\u9632<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u521d\u671f\u5316\u306e\u78ba\u8a8d<\/li>\n\n\n\n<li>\u578b\u306e\u4e92\u63db\u6027\u30c1\u30a7\u30c3\u30af<\/li>\n\n\n\n<li>\u7bc4\u56f2\u3068\u5024\u306e\u691c\u8a3c<\/li>\n\n\n\n<li>null\u30dd\u30a4\u30f3\u30bf\u306e\u30c1\u30a7\u30c3\u30af<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30c7\u30d0\u30c3\u30b0\u652f\u63f4<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30ed\u30b0\u51fa\u529b\u306e\u6d3b\u7528<\/li>\n\n\n\n<li>\u30a2\u30b5\u30fc\u30b7\u30e7\u30f3\u306e\u4f7f\u7528<\/li>\n\n\n\n<li>\u578b\u60c5\u5831\u306e\u78ba\u8a8d<\/li>\n\n\n\n<li>\u30a8\u30e9\u30fc\u51e6\u7406\u306e\u5b9f\u88c5<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u89e3\u6790<\/li>\n\n\n\n<li>\u30c7\u30d0\u30c3\u30ac\u306e\u6d3b\u7528<\/li>\n\n\n\n<li>\u6bb5\u968e\u7684\u306a\u30c6\u30b9\u30c8<\/li>\n\n\n\n<li>\u30b3\u30fc\u30c9\u30ec\u30d3\u30e5\u30fc\u306e\u5b9f\u65bd<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u5bfe\u7b56\u3092\u9069\u5207\u306b\u5b9f\u88c5\u3059\u308b\u3053\u3068\u3067\u3001\u3088\u308a\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u30b3\u30fc\u30c9\u3092\u4f5c\u6210\u3067\u304d\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-1785","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\/1785","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=1785"}],"version-history":[{"count":1,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/posts\/1785\/revisions"}],"predecessor-version":[{"id":1786,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/posts\/1785\/revisions\/1786"}],"wp:attachment":[{"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1785"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1785"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1785"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}