{"id":1861,"date":"2025-03-24T08:49:46","date_gmt":"2025-03-23T23:49:46","guid":{"rendered":"https:\/\/dexall.co.jp\/articles\/?p=1861"},"modified":"2025-03-24T08:49:46","modified_gmt":"2025-03-23T23:49:46","slug":"c-foreach%e3%82%92%e5%ae%8c%e5%85%a8%e3%83%9e%e3%82%b9%e3%82%bf%e3%83%bc%ef%bc%81%e7%8f%be%e5%a0%b4%e3%81%a7%e4%bd%bf%e3%81%88%e3%82%8b%e5%ae%9f%e8%b7%b5%e3%82%ac%e3%82%a4%e3%83%892024","status":"publish","type":"post","link":"https:\/\/dexall.co.jp\/articles\/?p=1861","title":{"rendered":"C++ foreach\u3092\u5b8c\u5168\u30de\u30b9\u30bf\u30fc\uff01\u73fe\u5834\u3067\u4f7f\u3048\u308b\u5b9f\u8df5\u30ac\u30a4\u30c92024"},"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++ foreach\u306e\u57fa\u790e\u77e5\u8b58<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-1\">\u5f93\u6765\u306efor\u6587\u3068\u306e\u9055\u3044\u3092\u7406\u89e3\u3059\u308b<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-2\">\u7bc4\u56f2\u30d9\u30fc\u30b9\u306efor\u6587\u306e\u5185\u90e8\u52d5\u4f5c\u306e\u4ed5\u7d44\u307f<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-3\">foreach\u3092\u4f7f\u3044\u3053\u306a\u3059\u305f\u3081\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-4\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u6700\u5927\u9650\u5f15\u304d\u51fa\u3059\u66f8\u304d\u65b9<\/a>      <\/li>      <li>        <a href=\"#i-5\">\u30e1\u30e2\u30ea\u52b9\u7387\u3092\u8003\u616e\u3057\u305f\u53c2\u7167\u306e\u4f7f\u3044\u65b9<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-6\">\u30a4\u30c6\u30ec\u30fc\u30bf\u30fc\u306e\u7121\u52b9\u5316\u3092\u9632\u3050\u30c6\u30af\u30cb\u30c3\u30af<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-7\">\u5b9f\u8df5\u7684\u306a\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u96c6<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-8\">\u30b3\u30f3\u30c6\u30ca\u64cd\u4f5c\u3067\u306e\u6d3b\u7528\u4f8b<\/a>      <\/li>      <li>        <a href=\"#i-9\">\u30e9\u30e0\u30c0\u5f0f\u3068\u306e\u7d44\u307f\u5408\u308f\u305b\u30c6\u30af\u30cb\u30c3\u30af<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-10\">\u4e26\u5217\u51e6\u7406\u3067\u306e\u6ce8\u610f\u70b9\u3068\u5bfe\u7b56<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-11\">\u3088\u304f\u3042\u308b\u30d0\u30b0\u3068\u5bfe\u51e6\u6cd5<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-12\">\u7bc4\u56f2\u5916\u30a2\u30af\u30bb\u30b9\u3092\u9632\u3050\u65b9\u6cd5<\/a>      <\/li>      <li>        <a href=\"#i-13\">\u30a4\u30c6\u30ec\u30fc\u30bf\u30fc\u306e\u7834\u58ca\u3092\u907f\u3051\u308b\u30b3\u30c4<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-14\">\u30c7\u30d0\u30c3\u30b0\u6642\u306e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0<\/a>      <\/li>    <\/ul>  <\/li>  <li class=\"last\">    <a href=\"#i-15\">\u30e2\u30c0\u30f3C++\u3067\u306e\u767a\u5c55\u7684\u306a\u4f7f\u3044\u65b9<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-16\">C++17\u4ee5\u964d\u306e\u65b0\u6a5f\u80fd\u3068\u306e\u9023\u643a<\/a>      <\/li>      <li>        <a href=\"#i-17\">\u30ab\u30b9\u30bf\u30e0\u30a4\u30c6\u30ec\u30fc\u30bf\u306e\u5b9f\u88c5\u65b9\u6cd5<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-18\">\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u30e1\u30bf\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3067\u306e\u5fdc\u7528<\/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++ foreach\u306e\u57fa\u790e\u77e5\u8b58<\/h2>\n\n\n\n<p>C++11\u3067\u5c0e\u5165\u3055\u308c\u305f\u7bc4\u56f2\u30d9\u30fc\u30b9\u306efor\u6587\uff08\u901a\u79f0\uff1aforeach\uff09\u306f\u3001\u914d\u5217\u3084\u30b3\u30f3\u30c6\u30ca\u3092\u7c21\u6f54\u304b\u3064\u76f4\u611f\u7684\u306b\u8d70\u67fb\u3067\u304d\u308b\u5f37\u529b\u306a\u6a5f\u80fd\u3067\u3059\u3002\u3053\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\u304b\u3089\u5185\u90e8\u52d5\u4f5c\u307e\u3067\u8a73\u3057\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-1\">\u5f93\u6765\u306efor\u6587\u3068\u306e\u9055\u3044\u3092\u7406\u89e3\u3059\u308b<\/h3>\n\n\n\n<p>\u5f93\u6765\u306efor\u6587\u3068range-based for\u6587\u3092\u6bd4\u8f03\u3057\u3066\u307f\u307e\u3057\u3087\u3046\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u5f93\u6765\u306efor\u6587\nstd::vector&lt;int&gt; numbers = {1, 2, 3, 4, 5};\nfor (std::vector&lt;int&gt;::iterator it = numbers.begin(); it != numbers.end(); ++it) {\n    std::cout &lt;&lt; *it &lt;&lt; \" \";\n}\n\n\/\/ range-based for\u6587\uff08foreach\uff09\nfor (const auto&amp; num : numbers) {\n    std::cout &lt;&lt; num &lt;&lt; \" \";\n}<\/pre>\n\n\n\n<p>range-based for\u6587\u306e\u4e3b\u306a\u30e1\u30ea\u30c3\u30c8\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30b3\u30fc\u30c9\u306e\u53ef\u8aad\u6027\u304c\u5927\u5e45\u306b\u5411\u4e0a<\/li>\n\n\n\n<li>\u30a4\u30c6\u30ec\u30fc\u30bf\u306e\u7ba1\u7406\u304c\u4e0d\u8981<\/li>\n\n\n\n<li>\u7bc4\u56f2\u5916\u30a2\u30af\u30bb\u30b9\u306e\u30ea\u30b9\u30af\u304c\u4f4e\u6e1b<\/li>\n\n\n\n<li>\u578b\u63a8\u8ad6\uff08auto\uff09\u3068\u306e\u76f8\u6027\u304c\u826f\u597d<\/li>\n<\/ul>\n\n\n\n<p>\u6ce8\u610f\u70b9\u3068\u3057\u3066\u3001foreach\u3092\u4f7f\u7528\u3059\u308b\u969b\u306f\u4ee5\u4e0b\u306e\u6761\u4ef6\u304c\u5fc5\u8981\u3067\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5bfe\u8c61\u306e\u30b3\u30f3\u30c6\u30ca\u304cbegin()\u3068end()\u30e1\u30bd\u30c3\u30c9\u3092\u6301\u3063\u3066\u3044\u308b\u3053\u3068<\/li>\n\n\n\n<li>\u3082\u3057\u304f\u306f\u3001\u914d\u5217\u306e\u5834\u5408\u306f\u8981\u7d20\u6570\u304c\u5224\u5225\u53ef\u80fd\u3067\u3042\u308b\u3053\u3068<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-2\">\u7bc4\u56f2\u30d9\u30fc\u30b9\u306efor\u6587\u306e\u5185\u90e8\u52d5\u4f5c\u306e\u4ed5\u7d44\u307f<\/h3>\n\n\n\n<p>range-based for\u6587\u306f\u3001\u5b9f\u969b\u306b\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5f62\u306b\u5c55\u958b\u3055\u308c\u307e\u3059\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u3053\u306e\u30b3\u30fc\u30c9\nfor (const auto&amp; element : container) {\n    \/\/ \u51e6\u7406\n}\n\n\/\/ \u306f\u5185\u90e8\u7684\u306b\u3053\u306e\u3088\u3046\u306b\u5c55\u958b\u3055\u308c\u308b\n{\n    auto&amp;&amp; __range = container;\n    auto __begin = begin(__range);\n    auto __end = end(__range);\n    for (; __begin != __end; ++__begin) {\n        const auto&amp; element = *__begin;\n        \/\/ \u51e6\u7406\n    }\n}<\/pre>\n\n\n\n<p>\u91cd\u8981\u306a\u30dd\u30a4\u30f3\u30c8\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u4e00\u6642\u5909\u6570\u306e\u5bff\u547d\u7ba1\u7406<br>range-based for\u6587\u3067\u306f\u3001\u30a4\u30c6\u30ec\u30fc\u30bf\u3084\u53c2\u7167\u306e\u5bff\u547d\u304c\u81ea\u52d5\u7684\u306b\u7ba1\u7406\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30e1\u30e2\u30ea\u30ea\u30fc\u30af\u3084\u30c0\u30f3\u30b0\u30ea\u30f3\u30b0\u53c2\u7167\u306e\u30ea\u30b9\u30af\u304c\u8efd\u6e1b\u3055\u308c\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u6700\u9069\u5316\u306e\u6a5f\u4f1a<br>\u30b3\u30f3\u30d1\u30a4\u30e9\u306f\u7bc4\u56f2\u30d9\u30fc\u30b9\u306efor\u6587\u3092\u8a8d\u8b58\u3057\u3001\u69d8\u3005\u306a\u6700\u9069\u5316\u3092\u9069\u7528\u3067\u304d\u307e\u3059\u3002\u7279\u306b\uff1a<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30eb\u30fc\u30d7\u306e\u30a2\u30f3\u30ed\u30fc\u30ea\u30f3\u30b0<\/li>\n\n\n\n<li>\u30d9\u30af\u30c8\u30eb\u5316<\/li>\n\n\n\n<li>\u30ad\u30e3\u30c3\u30b7\u30e5\u6700\u9069\u5316<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30ab\u30b9\u30bf\u30de\u30a4\u30bc\u30fc\u30b7\u30e7\u30f3<br>\u81ea\u4f5c\u30af\u30e9\u30b9\u3067range-based for\u3092\u4f7f\u7528\u3057\u305f\u3044\u5834\u5408\u306f\u3001\u4ee5\u4e0b\u306e\u3044\u305a\u308c\u304b\u3092\u5b9f\u88c5\u3057\u307e\u3059\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=\"\">\/\/ \u30e1\u30f3\u30d0\u95a2\u6570\u3068\u3057\u3066\u5b9f\u88c5\nclass MyContainer {\n    Iterator begin();\n    Iterator end();\n};\n\n\/\/ \u3082\u3057\u304f\u306f\u975e\u30e1\u30f3\u30d0\u95a2\u6570\u3068\u3057\u3066\u5b9f\u88c5\nIterator begin(MyContainer&amp;);\nIterator end(MyContainer&amp;);<\/pre>\n\n\n\n<ol start=\"4\" class=\"wp-block-list\">\n<li>C++17\u4ee5\u964d\u306e\u62e1\u5f35\u6a5f\u80fd<br>\u521d\u671f\u5316\u5f0f\u3092\u30b5\u30dd\u30fc\u30c8\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=\"\">\/\/ C++17\u304b\u3089\u306f\u521d\u671f\u5316\u5f0f\u304c\u4f7f\u3048\u308b\nfor (const auto&amp; [key, value] : std::map&lt;string, int&gt;{{\"a\", 1}, {\"b\", 2}}) {\n    std::cout &lt;&lt; key &lt;&lt; \": \" &lt;&lt; value &lt;&lt; std::endl;\n}<\/pre>\n\n\n\n<p>\u5b9f\u88c5\u4e0a\u306e\u6ce8\u610f\u70b9\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30b3\u30f3\u30c6\u30ca\u306e\u5909\u66f4\u3092\u4f34\u3046\u64cd\u4f5c\u306f\u907f\u3051\u308b<\/li>\n\n\n\n<li>\u5927\u304d\u306a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u5834\u5408\u306f\u53c2\u7167\u3092\u4f7f\u7528<\/li>\n\n\n\n<li>const\u4fee\u98fe\u5b50\u3092\u9069\u5207\u306b\u4f7f\u7528\u3057\u3066\u30a4\u30df\u30e5\u30fc\u30bf\u30d3\u30ea\u30c6\u30a3\u3092\u78ba\u4fdd<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u57fa\u790e\u77e5\u8b58\u3092\u62bc\u3055\u3048\u305f\u4e0a\u3067\u3001\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3088\u308a\u5b9f\u8df5\u7684\u306a\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-3\">foreach\u3092\u4f7f\u3044\u3053\u306a\u3059\u305f\u3081\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/h2>\n\n\n\n<p>range-based for\u30eb\u30fc\u30d7\u3092\u52b9\u679c\u7684\u306b\u6d3b\u7528\u3059\u308b\u305f\u3081\u306b\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u30e1\u30e2\u30ea\u52b9\u7387\u306e\u89b3\u70b9\u304b\u3089\u91cd\u8981\u306a\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-4\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u6700\u5927\u9650\u5f15\u304d\u51fa\u3059\u66f8\u304d\u65b9<\/h3>\n\n\n\n<p>range-based for\u30eb\u30fc\u30d7\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u6700\u9069\u5316\u3059\u308b\u305f\u3081\u306e\u30ad\u30fc\u30dd\u30a4\u30f3\u30c8\u3092\u7d39\u4ecb\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u53c2\u7167\u306e\u9069\u5207\u306a\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=\"\">std::vector&lt;BigObject&gt; objects;\n\n\/\/ \u975e\u52b9\u7387\u306a\u4f8b\uff08\u30b3\u30d4\u30fc\u304c\u767a\u751f\uff09\nfor (auto obj : objects) {\n    obj.process();  \/\/ \u30b3\u30d4\u30fc\u3055\u308c\u305f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u5bfe\u3057\u3066\u51e6\u7406\n}\n\n\/\/ \u52b9\u7387\u7684\u306a\u4f8b\uff08\u53c2\u7167\u3092\u4f7f\u7528\uff09\nfor (const auto&amp; obj : objects) {\n    obj.process();  \/\/ \u5143\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u76f4\u63a5\u53c2\u7167\n}<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>\u30eb\u30fc\u30d7\u5185\u3067\u306e\u4e0d\u8981\u306a\u64cd\u4f5c\u306e\u524a\u6e1b<\/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;int&gt; numbers = {1, 2, 3, 4, 5};\n\n\/\/ \u975e\u52b9\u7387\u306a\u4f8b\uff08\u6bce\u56desize()\u3092\u547c\u3073\u51fa\u3057\uff09\nfor (const auto&amp; num : numbers) {\n    if (num &lt; numbers.size()) {  \/\/ size()\u304c\u6bce\u56de\u547c\u3073\u51fa\u3055\u308c\u308b\n        \/\/ \u51e6\u7406\n    }\n}\n\n\/\/ \u52b9\u7387\u7684\u306a\u4f8b\uff08size()\u3092\u4e8b\u524d\u306b\u8a08\u7b97\uff09\nconst auto size = numbers.size();\nfor (const auto&amp; num : numbers) {\n    if (num &lt; size) {  \/\/ \u30ad\u30e3\u30c3\u30b7\u30e5\u3055\u308c\u305f\u5024\u3092\u4f7f\u7528\n        \/\/ \u51e6\u7406\n    }\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-5\">\u30e1\u30e2\u30ea\u52b9\u7387\u3092\u8003\u616e\u3057\u305f\u53c2\u7167\u306e\u4f7f\u3044\u65b9<\/h3>\n\n\n\n<p>\u30e1\u30e2\u30ea\u52b9\u7387\u3092\u6700\u9069\u5316\u3059\u308b\u305f\u3081\u306e\u30c6\u30af\u30cb\u30c3\u30af\u3092\u89e3\u8aac\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5024\u306e\u30b3\u30d4\u30fc\u3092\u907f\u3051\u308b<\/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=\"\">\/\/ \u5927\u304d\u306a\u69cb\u9020\u4f53\u306e\u4f8b\nstruct LargeStruct {\n    std::vector&lt;double&gt; data;\n    std::string description;\n};\n\nstd::vector&lt;LargeStruct&gt; items;\n\n\/\/ \u30e1\u30e2\u30ea\u52b9\u7387\u306e\u826f\u3044\u5b9f\u88c5\nfor (const auto&amp; item : items) {\n    \/\/ const\u3092\u4f7f\u3063\u3066\u8aa4\u3063\u305f\u5909\u66f4\u3092\u9632\u304e\u3064\u3064\u3001\u53c2\u7167\u3067\u52b9\u7387\u7684\u306b\u30a2\u30af\u30bb\u30b9\n    process(item);\n}<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>\u5fc5\u8981\u306b\u5fdc\u3058\u305f\u53c2\u7167\u4fee\u98fe\u5b50\u306e\u4f7f\u3044\u5206\u3051<\/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;int&gt; numbers = {1, 2, 3, 4, 5};\n\n\/\/ \u5024\u3092\u5909\u66f4\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\nfor (auto&amp; num : numbers) {\n    num *= 2;  \/\/ \u76f4\u63a5\u5909\u66f4\u53ef\u80fd\n}\n\n\/\/ \u8aad\u307f\u53d6\u308a\u306e\u307f\u306e\u5834\u5408\nfor (const auto&amp; num : numbers) {\n    std::cout &lt;&lt; num &lt;&lt; std::endl;  \/\/ \u5909\u66f4\u4e0d\u53ef\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-6\">\u30a4\u30c6\u30ec\u30fc\u30bf\u30fc\u306e\u7121\u52b9\u5316\u3092\u9632\u3050\u30c6\u30af\u30cb\u30c3\u30af<\/h3>\n\n\n\n<p>\u30a4\u30c6\u30ec\u30fc\u30bf\u30fc\u306e\u7121\u52b9\u5316\u306f\u6df1\u523b\u306a\u30d0\u30b0\u306e\u539f\u56e0\u3068\u306a\u308a\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u5bfe\u7b56\u3092\u5b9f\u88c5\u3057\u307e\u3057\u3087\u3046\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30eb\u30fc\u30d7\u5185\u3067\u306e\u30b3\u30f3\u30c6\u30ca\u5909\u66f4\u3092\u907f\u3051\u308b<\/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;int&gt; numbers = {1, 2, 3, 4, 5};\n\n\/\/ \u5371\u967a\u306a\u4f8b\nfor (const auto&amp; num : numbers) {\n    if (num % 2 == 0) {\n        numbers.push_back(num * 2);  \/\/ \u30a4\u30c6\u30ec\u30fc\u30bf\u30fc\u7121\u52b9\u5316\uff01\n    }\n}\n\n\/\/ \u5b89\u5168\u306a\u4f8b\nstd::vector&lt;int&gt; temp;\nfor (const auto&amp; num : numbers) {\n    if (num % 2 == 0) {\n        temp.push_back(num * 2);\n    }\n}\nnumbers.insert(numbers.end(), temp.begin(), temp.end());<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>\u8981\u7d20\u306e\u524a\u9664\u3092\u5b89\u5168\u306b\u884c\u3046<\/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;int&gt; numbers = {1, 2, 3, 4, 5};\n\n\/\/ \u5371\u967a\u306a\u4f8b\nfor (const auto&amp; num : numbers) {\n    if (num % 2 == 0) {\n        \/\/ numbers.erase()  \/\/ \u30a4\u30c6\u30ec\u30fc\u30bf\u30fc\u7121\u52b9\u5316\uff01\n    }\n}\n\n\/\/ \u5b89\u5168\u306a\u4f8b\uff08\u8981\u7d20\u306e\u524a\u9664\u306f\u5225\u306e\u30eb\u30fc\u30d7\u3067\u5b9f\u65bd\uff09\nnumbers.erase(\n    std::remove_if(numbers.begin(), numbers.end(),\n        [](int num) { return num % 2 == 0; }),\n    numbers.end()\n);<\/pre>\n\n\n\n<p>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u306e\u305f\u3081\u306e\u8ffd\u52a0Tips\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30ea\u30b6\u30fc\u30d6\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=\"\">\/\/ \u30b3\u30f3\u30c6\u30ca\u306e\u30b5\u30a4\u30ba\u304c\u4e88\u6e2c\u3067\u304d\u308b\u5834\u5408\nstd::vector&lt;int&gt; result;\nresult.reserve(estimated_size);  \/\/ \u30e1\u30e2\u30ea\u518d\u5272\u308a\u5f53\u3066\u306e\u56de\u6570\u3092\u524a\u6e1b\nfor (const auto&amp; num : source) {\n    if (meets_criteria(num)) {\n        result.push_back(num);\n    }\n}<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>\u30ad\u30e3\u30c3\u30b7\u30e5\u30d5\u30ec\u30f3\u30c9\u30ea\u30fc\u306a\u51e6\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=\"\">\/\/ \u30c7\u30fc\u30bf\u306e\u5c40\u6240\u6027\u3092\u8003\u616e\u3057\u305f\u30a2\u30af\u30bb\u30b9\u30d1\u30bf\u30fc\u30f3\nstruct POD {\n    int data[1024];\n};\nstd::vector&lt;POD&gt; pods;\n\n\/\/ \u30ad\u30e3\u30c3\u30b7\u30e5\u30d5\u30ec\u30f3\u30c9\u30ea\u30fc\u306a\u5b9f\u88c5\nfor (const auto&amp; pod : pods) {\n    int sum = 0;\n    for (const auto&amp; value : pod.data) {  \/\/ \u9023\u7d9a\u3057\u305f\u30e1\u30e2\u30ea\u9818\u57df\u306b\u30a2\u30af\u30bb\u30b9\n        sum += value;\n    }\n    \/\/ \u51e6\u7406\n}<\/pre>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3092\u610f\u8b58\u3059\u308b\u3053\u3068\u3067\u3001range-based for\u30eb\u30fc\u30d7\u3092\u4f7f\u7528\u3057\u305f\u30b3\u30fc\u30c9\u306e\u54c1\u8cea\u3068\u6027\u80fd\u3092\u5927\u304d\u304f\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\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\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-7\">\u5b9f\u8df5\u7684\u306a\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u96c6<\/h2>\n\n\n\n<p>range-based for\u30eb\u30fc\u30d7\u306e\u5b9f\u8df5\u7684\u306a\u6d3b\u7528\u65b9\u6cd5\u306b\u3064\u3044\u3066\u3001\u5177\u4f53\u7684\u306a\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u3068\u3068\u3082\u306b\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-8\">\u30b3\u30f3\u30c6\u30ca\u64cd\u4f5c\u3067\u306e\u6d3b\u7528\u4f8b<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u8907\u6570\u30b3\u30f3\u30c6\u30ca\u306e\u540c\u6642\u51e6\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=\"\">std::vector&lt;std::string&gt; names = {\"Alice\", \"Bob\", \"Charlie\"};\nstd::vector&lt;int&gt; ages = {25, 30, 35};\nstd::map&lt;std::string, int&gt; name_age_map;\n\n\/\/ zip\u306e\u3088\u3046\u306a\u51e6\u7406\u3092\u5b9f\u73fe\nauto age_it = ages.begin();\nfor (const auto&amp; name : names) {\n    if (age_it != ages.end()) {\n        name_age_map[name] = *age_it++;\n    }\n}<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>\u30cd\u30b9\u30c8\u3055\u308c\u305f\u30b3\u30f3\u30c6\u30ca\u306e\u51e6\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=\"\">std::vector&lt;std::vector&lt;int&gt;&gt; matrix = {\n    {1, 2, 3},\n    {4, 5, 6},\n    {7, 8, 9}\n};\n\n\/\/ \u884c\u5217\u306e\u8981\u7d20\u3092\u52b9\u7387\u7684\u306b\u51e6\u7406\nfor (const auto&amp; row : matrix) {\n    for (const auto&amp; element : row) {\n        std::cout &lt;&lt; element &lt;&lt; ' ';\n    }\n    std::cout &lt;&lt; '\\n';\n}<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li>\u30ab\u30b9\u30bf\u30e0\u30b3\u30f3\u30c6\u30ca\u3067\u306e\u5229\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 DataSet {\n    struct DataPoint {\n        double x, y;\n        std::string label;\n    };\n    std::vector&lt;DataPoint&gt; points;\n\npublic:\n    \/\/ \u30a4\u30c6\u30ec\u30fc\u30bf\u3092\u63d0\u4f9b\u3059\u308b\u3053\u3068\u3067range-based for\u304c\u4f7f\u7528\u53ef\u80fd\u306b\n    auto begin() { return points.begin(); }\n    auto end() { return points.end(); }\n    auto begin() const { return points.begin(); }\n    auto end() const { return points.end(); }\n};\n\n\/\/ \u4f7f\u7528\u4f8b\nDataSet dataset;\nfor (const auto&amp; point : dataset) {\n    \/\/ DataPoint\u306e\u51e6\u7406\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-9\">\u30e9\u30e0\u30c0\u5f0f\u3068\u306e\u7d44\u307f\u5408\u308f\u305b\u30c6\u30af\u30cb\u30c3\u30af<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3068\u5909\u63db<\/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;int&gt; numbers = {1, 2, 3, 4, 5};\nstd::vector&lt;int&gt; filtered;\n\n\/\/ \u30e9\u30e0\u30c0\u5f0f\u3092\u4f7f\u7528\u3057\u305f\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\nauto is_even = [](int n) { return n % 2 == 0; };\nfor (const auto&amp; num : numbers) {\n    if (is_even(num)) {\n        filtered.push_back(num * 2);  \/\/ \u5076\u6570\u30922\u500d\u306b\u3057\u3066\u4fdd\u5b58\n    }\n}<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>\u72b6\u614b\u3092\u6301\u3064\u30e9\u30e0\u30c0\u5f0f\u3068\u306e\u7d44\u307f\u5408\u308f\u305b<\/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;std::string&gt; words = {\"Hello\", \"World\", \"C++\", \"Programming\"};\nstd::map&lt;size_t, std::vector&lt;std::string&gt;&gt; length_grouped;\n\n\/\/ \u6587\u5b57\u5217\u3092\u9577\u3055\u3067\u30b0\u30eb\u30fc\u30d7\u5316\nfor (const auto&amp; word : words) {\n    length_grouped[word.length()].push_back(word);\n}\n\n\/\/ \u30b0\u30eb\u30fc\u30d7\u3054\u3068\u306e\u51e6\u7406\u3092\u30e9\u30e0\u30c0\u3067\u5b9a\u7fa9\nauto process_group = [](const auto&amp; pair) {\n    std::cout &lt;&lt; \"Length \" &lt;&lt; pair.first &lt;&lt; \": \";\n    for (const auto&amp; word : pair.second) {\n        std::cout &lt;&lt; word &lt;&lt; \" \";\n    }\n    std::cout &lt;&lt; '\\n';\n};\n\n\/\/ \u30b0\u30eb\u30fc\u30d7\u306e\u8868\u793a\nfor (const auto&amp; group : length_grouped) {\n    process_group(group);\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-10\">\u4e26\u5217\u51e6\u7406\u3067\u306e\u6ce8\u610f\u70b9\u3068\u5bfe\u7b56<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u4e26\u5217\u51e6\u7406\u3067\u306e\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9<\/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;execution&gt;\n#include &lt;algorithm&gt;\n#include &lt;vector&gt;\n\nstd::vector&lt;int&gt; data = {\/* \u5927\u91cf\u306e\u30c7\u30fc\u30bf *\/};\nstd::vector&lt;int&gt; results(data.size());\n\n\/\/ \u4e26\u5217\u51e6\u7406\u306b\u9069\u3057\u305f\u5f62\u3067\u306e\u5b9f\u88c5\nstd::transform(\n    std::execution::par,\n    data.begin(), data.end(),\n    results.begin(),\n    [](int value) {\n        return heavy_computation(value);\n    }\n);<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>\u30c7\u30fc\u30bf\u7af6\u5408\u3092\u907f\u3051\u308b\u30c6\u30af\u30cb\u30c3\u30af<\/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;int&gt; data = {\/* \u5927\u91cf\u306e\u30c7\u30fc\u30bf *\/};\nstd::atomic&lt;int&gt; sum{0};\n\n\/\/ \u9593\u9055\u3063\u305f\u5b9f\u88c5\uff08\u30c7\u30fc\u30bf\u7af6\u5408\u306e\u53ef\u80fd\u6027\uff09\nfor (const auto&amp; value : data) {\n    sum += value;  \/\/ \u7af6\u5408\u306e\u53ef\u80fd\u6027\u3042\u308a\n}\n\n\/\/ \u6b63\u3057\u3044\u5b9f\u88c5\uff08\u7af6\u5408\u3092\u907f\u3051\u308b\uff09\nstd::mutex mtx;\nstd::vector&lt;int&gt; partial_sums;\npartial_sums.reserve(std::thread::hardware_concurrency());\n\nauto process_chunk = [&amp;](auto begin, auto end) {\n    int local_sum = 0;\n    for (auto it = begin; it != end; ++it) {\n        local_sum += *it;\n    }\n    std::lock_guard&lt;std::mutex&gt; lock(mtx);\n    partial_sums.push_back(local_sum);\n};\n\n\/\/ \u30c1\u30e3\u30f3\u30af\u306b\u5206\u5272\u3057\u3066\u51e6\u7406\nconst size_t chunk_size = data.size() \/ std::thread::hardware_concurrency();\nstd::vector&lt;std::thread&gt; threads;\nfor (size_t i = 0; i &lt; data.size(); i += chunk_size) {\n    auto end = std::min(i + chunk_size, data.size());\n    threads.emplace_back(process_chunk, data.begin() + i, data.begin() + end);\n}\n\nfor (auto&amp; thread : threads) {\n    thread.join();\n}<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li>\u30ad\u30e3\u30c3\u30b7\u30e5\u52b9\u7387\u3092\u8003\u616e\u3057\u305f\u4e26\u5217\u51e6\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=\"\">\/\/ \u30c7\u30fc\u30bf\u69cb\u9020\u3092\u30ad\u30e3\u30c3\u30b7\u30e5\u30d5\u30ec\u30f3\u30c9\u30ea\u30fc\u306b\u8a2d\u8a08\nstruct alignas(64) AlignedData {\n    int value;\n    \/\/ \u30d1\u30c7\u30a3\u30f3\u30b0\u3067 false sharing \u3092\u9632\u3050\n    char padding[60];\n};\n\nstd::vector&lt;AlignedData&gt; aligned_data;\n\n\/\/ \u4e26\u5217\u51e6\u7406\u3067\u306e\u52b9\u7387\u7684\u306a\u30a2\u30af\u30bb\u30b9\nfor (auto&amp; data : aligned_data) {\n    \/\/ \u5404\u30b9\u30ec\u30c3\u30c9\u304c\u72ec\u7acb\u3057\u305f\u30ad\u30e3\u30c3\u30b7\u30e5\u30e9\u30a4\u30f3\u306b\u30a2\u30af\u30bb\u30b9\n    process_data(data);\n}<\/pre>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u306f\u3001\u5b9f\u969b\u306e\u958b\u767a\u73fe\u5834\u3067\u983b\u7e41\u306b\u906d\u9047\u3059\u308b\u72b6\u6cc1\u3092\u60f3\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u3053\u308c\u3089\u306e\u5b9f\u88c5\u6642\u306b\u3088\u304f\u767a\u751f\u3059\u308b\u30d0\u30b0\u3068\u305d\u306e\u5bfe\u51e6\u6cd5\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-11\">\u3088\u304f\u3042\u308b\u30d0\u30b0\u3068\u5bfe\u51e6\u6cd5<\/h2>\n\n\n\n<p>range-based for\u30eb\u30fc\u30d7\u3092\u4f7f\u7528\u3059\u308b\u969b\u306b\u3088\u304f\u906d\u9047\u3059\u308b\u30d0\u30b0\u3068\u305d\u306e\u5bfe\u51e6\u6cd5\u306b\u3064\u3044\u3066\u3001\u5b9f\u8df5\u7684\u306a\u8996\u70b9\u304b\u3089\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-12\">\u7bc4\u56f2\u5916\u30a2\u30af\u30bb\u30b9\u3092\u9632\u3050\u65b9\u6cd5<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u7a7a\u30b3\u30f3\u30c6\u30ca\u3078\u306e\u30a2\u30af\u30bb\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=\"\">std::vector&lt;int&gt; empty_vec;\n\n\/\/ \u5371\u967a\u306a\u5b9f\u88c5\nfor (const auto&amp; element : empty_vec) {\n    \/\/ \u7a7a\u306e\u30b3\u30f3\u30c6\u30ca\u3067\u3082\u30eb\u30fc\u30d7\u306f\u5b89\u5168\n    process(element);\n}\n\n\/\/ \u3088\u308a\u5b89\u5168\u306a\u5b9f\u88c5\nif (!empty_vec.empty()) {\n    for (const auto&amp; element : empty_vec) {\n        process(element);\n    }\n}<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>\u8981\u7d20\u524a\u9664\u6642\u306e\u7bc4\u56f2\u5916\u30a2\u30af\u30bb\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=\"\">std::vector&lt;int&gt; numbers = {1, 2, 3, 4, 5};\n\n\/\/ \u5371\u967a\u306a\u5b9f\u88c5\uff1a\u30eb\u30fc\u30d7\u4e2d\u3067\u306e\u8981\u7d20\u524a\u9664\nfor (const auto&amp; num : numbers) {\n    if (num % 2 == 0) {\n        \/\/ numbers.erase(std::remove(numbers.begin(), numbers.end(), num), numbers.end());\n        \/\/ \u30a4\u30c6\u30ec\u30fc\u30bf\u7121\u52b9\u5316\u306b\u3088\u308bUndefined Behavior!\n    }\n}\n\n\/\/ \u5b89\u5168\u306a\u5b9f\u88c5\uff1aerase-remove\u30a4\u30c7\u30a3\u30aa\u30e0\u3092\u4f7f\u7528\nnumbers.erase(\n    std::remove_if(numbers.begin(), numbers.end(),\n        [](int num) { return num % 2 == 0; }),\n    numbers.end()\n);<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-13\">\u30a4\u30c6\u30ec\u30fc\u30bf\u30fc\u306e\u7834\u58ca\u3092\u907f\u3051\u308b\u30b3\u30c4<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30b3\u30f3\u30c6\u30ca\u306e\u5909\u66f4\u3092\u907f\u3051\u308b<\/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;std::string&gt; words = {\"Hello\", \"World\"};\n\n\/\/ \u5371\u967a\u306a\u5b9f\u88c5\nfor (const auto&amp; word : words) {\n    if (word.length() &gt; 3) {\n        \/\/ words.push_back(word + \"!\");  \/\/ \u30a4\u30c6\u30ec\u30fc\u30bf\u7121\u52b9\u5316\uff01\n    }\n}\n\n\/\/ \u5b89\u5168\u306a\u5b9f\u88c5\nstd::vector&lt;std::string&gt; new_words;\nfor (const auto&amp; word : words) {\n    if (word.length() &gt; 3) {\n        new_words.push_back(word + \"!\");\n    }\n}\nwords.insert(words.end(), new_words.begin(), new_words.end());<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>\u53c2\u7167\u306e\u7121\u52b9\u5316\u3092\u9632\u3050<\/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 DataContainer {\n    std::vector&lt;BigData&gt; data;\npublic:\n    \/\/ \u5371\u967a\u306a\u5b9f\u88c5\n    const std::vector&lt;BigData&gt;&amp; getData() {\n        return data;  \/\/ \u4e00\u6642\u7684\u306a\u53c2\u7167\u3092\u8fd4\u3059\n    }\n\n    \/\/ \u5b89\u5168\u306a\u5b9f\u88c5\n    const std::vector&lt;BigData&gt;&amp; getData() const {\n        return data;  \/\/ const\u30e1\u30f3\u30d0\u95a2\u6570\u3068\u3057\u3066\u5b9f\u88c5\n    }\n};\n\n\/\/ \u4f7f\u7528\u4f8b\nDataContainer container;\n\/\/ \u5b89\u5168\u306a\u4f7f\u7528\u65b9\u6cd5\nfor (const auto&amp; item : container.getData()) {\n    process(item);\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-14\">\u30c7\u30d0\u30c3\u30b0\u6642\u306e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30c7\u30d0\u30c3\u30b0\u7528\u306e\u7bc4\u56f2\u30c1\u30a7\u30c3\u30af<\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">template&lt;typename Container&gt;\nclass RangeChecker {\n    const Container&amp; container;\n    mutable size_t access_count = 0;\n\npublic:\n    RangeChecker(const Container&amp; c) : container(c) {}\n\n    template&lt;typename T&gt;\n    void check_access(const T&amp; element) const {\n        ++access_count;\n        \/\/ \u30b3\u30f3\u30c6\u30ca\u5185\u306e\u8981\u7d20\u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\n        auto it = std::find(container.begin(), container.end(), element);\n        assert(it != container.end() &amp;&amp; \"Element not found in container\");\n    }\n\n    ~RangeChecker() {\n        std::cout &lt;&lt; \"Total accesses: \" &lt;&lt; access_count &lt;&lt; std::endl;\n    }\n};\n\n\/\/ \u4f7f\u7528\u4f8b\nstd::vector&lt;int&gt; numbers = {1, 2, 3, 4, 5};\nRangeChecker checker(numbers);\nfor (const auto&amp; num : numbers) {\n    checker.check_access(num);\n    process(num);\n}<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>\u30e1\u30e2\u30ea\u30ea\u30fc\u30af\u306e\u691c\u51fa<\/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 {\n    std::unordered_map&lt;void*, size_t&gt; allocations;\n    std::mutex mtx;\n\npublic:\n    void track_allocation(void* ptr, size_t size) {\n        std::lock_guard&lt;std::mutex&gt; lock(mtx);\n        allocations[ptr] = size;\n    }\n\n    void track_deallocation(void* ptr) {\n        std::lock_guard&lt;std::mutex&gt; lock(mtx);\n        allocations.erase(ptr);\n    }\n\n    ~MemoryTracker() {\n        if (!allocations.empty()) {\n            std::cerr &lt;&lt; \"Memory leaks detected!\" &lt;&lt; std::endl;\n            for (const auto&amp; [ptr, size] : allocations) {\n                std::cerr &lt;&lt; \"Leak at \" &lt;&lt; ptr &lt;&lt; \": \" &lt;&lt; size &lt;&lt; \" bytes\" &lt;&lt; std::endl;\n            }\n        }\n    }\n};\n\n\/\/ \u4f7f\u7528\u4f8b\nMemoryTracker tracker;\nstd::vector&lt;int*&gt; pointers;\n\nfor (int i = 0; i &lt; 5; ++i) {\n    int* ptr = new int(i);\n    tracker.track_allocation(ptr, sizeof(int));\n    pointers.push_back(ptr);\n}\n\n\/\/ \u30af\u30ea\u30fc\u30f3\u30a2\u30c3\u30d7\nfor (auto ptr : pointers) {\n    tracker.track_deallocation(ptr);\n    delete ptr;\n}<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30d7\u30ed\u30d5\u30a1\u30a4\u30ea\u30f3\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 ProfileBlock {\n    std::string name;\n    std::chrono::high_resolution_clock::time_point start;\n\npublic:\n    ProfileBlock(const std::string&amp; n) : name(n), start(std::chrono::high_resolution_clock::now()) {}\n\n    ~ProfileBlock() {\n        auto end = std::chrono::high_resolution_clock::now();\n        auto duration = std::chrono::duration_cast&lt;std::chrono::microseconds&gt;(end - start);\n        std::cout &lt;&lt; name &lt;&lt; \": \" &lt;&lt; duration.count() &lt;&lt; \"\u03bcs\" &lt;&lt; std::endl;\n    }\n};\n\n\/\/ \u4f7f\u7528\u4f8b\nstd::vector&lt;int&gt; large_data(1000000);\n{\n    ProfileBlock profiler(\"Range-based for loop\");\n    for (auto&amp; value : large_data) {\n        value = heavy_computation(value);\n    }\n}<\/pre>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u30c7\u30d0\u30c3\u30b0\u30c6\u30af\u30cb\u30c3\u30af\u3068\u5bfe\u7b56\u3092\u9069\u5207\u306b\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u3001range-based for\u30eb\u30fc\u30d7\u306b\u95a2\u9023\u3059\u308b\u591a\u304f\u306e\u554f\u984c\u3092\u4e8b\u524d\u306b\u9632\u304e\u3001\u3042\u308b\u3044\u306f\u52b9\u7387\u7684\u306b\u89e3\u6c7a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u30e2\u30c0\u30f3C++\u3067\u306e\u767a\u5c55\u7684\u306a\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-15\">\u30e2\u30c0\u30f3C++\u3067\u306e\u767a\u5c55\u7684\u306a\u4f7f\u3044\u65b9<\/h2>\n\n\n\n<p>\u30e2\u30c0\u30f3C++\u306b\u304a\u3051\u308b range-based for\u30eb\u30fc\u30d7\u306e\u9ad8\u5ea6\u306a\u4f7f\u7528\u65b9\u6cd5\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-16\">C++17\u4ee5\u964d\u306e\u65b0\u6a5f\u80fd\u3068\u306e\u9023\u643a<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u69cb\u9020\u5316\u675f\u7e1b\u3068\u306e\u7d44\u307f\u5408\u308f\u305b<\/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::map&lt;std::string, std::vector&lt;int&gt;&gt; data_map = {\n    {\"A\", {1, 2, 3}},\n    {\"B\", {4, 5, 6}}\n};\n\n\/\/ C++17\u306e\u69cb\u9020\u5316\u675f\u7e1b\u3092\u4f7f\u7528\nfor (const auto&amp; [key, values] : data_map) {\n    std::cout &lt;&lt; \"Key: \" &lt;&lt; key &lt;&lt; \", Values: \";\n    for (const auto&amp; value : values) {\n        std::cout &lt;&lt; value &lt;&lt; \" \";\n    }\n    std::cout &lt;&lt; '\\n';\n}<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><code>std::optional<\/code>\u3068\u306e\u9023\u643a<\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">std::vector&lt;std::optional&lt;int&gt;&gt; optional_numbers = {\n    std::optional&lt;int&gt;{42},\n    std::nullopt,\n    std::optional&lt;int&gt;{123}\n};\n\n\/\/ std::optional\u3092\u4f7f\u7528\u3057\u305f\u5b89\u5168\u306a\u51e6\u7406\nfor (const auto&amp; opt : optional_numbers) {\n    if (opt.has_value()) {\n        std::cout &lt;&lt; \"Value: \" &lt;&lt; *opt &lt;&lt; '\\n';\n    } else {\n        std::cout &lt;&lt; \"No value\\n\";\n    }\n}<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><code>std::variant<\/code>\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=\"\">std::vector&lt;std::variant&lt;int, std::string, double&gt;&gt; variants = {\n    42, \"Hello\", 3.14\n};\n\n\/\/ variant\u306e\u578b\u5b89\u5168\u306a\u51e6\u7406\nfor (const auto&amp; var : variants) {\n    std::visit([](const auto&amp; value) {\n        using T = std::decay_t&lt;decltype(value)&gt;;\n        if constexpr (std::is_same_v&lt;T, int&gt;) {\n            std::cout &lt;&lt; \"Integer: \" &lt;&lt; value &lt;&lt; '\\n';\n        } else if constexpr (std::is_same_v&lt;T, std::string&gt;) {\n            std::cout &lt;&lt; \"String: \" &lt;&lt; value &lt;&lt; '\\n';\n        } else if constexpr (std::is_same_v&lt;T, double&gt;) {\n            std::cout &lt;&lt; \"Double: \" &lt;&lt; value &lt;&lt; '\\n';\n        }\n    }, var);\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-17\">\u30ab\u30b9\u30bf\u30e0\u30a4\u30c6\u30ec\u30fc\u30bf\u306e\u5b9f\u88c5\u65b9\u6cd5<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u57fa\u672c\u7684\u306a\u30a4\u30c6\u30ec\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=\"\">template&lt;typename T&gt;\nclass NumberRange {\n    T start_;\n    T end_;\n\npublic:\n    class iterator {\n        T current_;\n    public:\n        using iterator_category = std::forward_iterator_tag;\n        using value_type = T;\n        using difference_type = std::ptrdiff_t;\n        using pointer = T*;\n        using reference = T&amp;;\n\n        explicit iterator(T current) : current_(current) {}\n\n        T operator*() const { return current_; }\n        iterator&amp; operator++() { ++current_; return *this; }\n        iterator operator++(int) { iterator tmp = *this; ++current_; return tmp; }\n        bool operator==(const iterator&amp; other) const { return current_ == other.current_; }\n        bool operator!=(const iterator&amp; other) const { return !(*this == other); }\n    };\n\n    NumberRange(T start, T end) : start_(start), end_(end) {}\n    iterator begin() { return iterator(start_); }\n    iterator end() { return iterator(end_); }\n};\n\n\/\/ \u4f7f\u7528\u4f8b\nfor (const auto&amp; num : NumberRange&lt;int&gt;(1, 5)) {\n    std::cout &lt;&lt; num &lt;&lt; \" \";  \/\/ \u51fa\u529b: 1 2 3 4\n}<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>\u53cc\u65b9\u5411\u30a4\u30c6\u30ec\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=\"\">template&lt;typename T&gt;\nclass CircularBuffer {\n    std::vector&lt;T&gt; data_;\n    size_t head_ = 0;\n    size_t size_ = 0;\n\npublic:\n    class iterator {\n        CircularBuffer* buffer_;\n        size_t index_;\n\n    public:\n        using iterator_category = std::bidirectional_iterator_tag;\n        using value_type = T;\n        using difference_type = std::ptrdiff_t;\n        using pointer = T*;\n        using reference = T&amp;;\n\n        iterator(CircularBuffer* buffer, size_t index)\n            : buffer_(buffer), index_(index) {}\n\n        T&amp; operator*() { return buffer_-&gt;data_[index_]; }\n        iterator&amp; operator++() {\n            index_ = (index_ + 1) % buffer_-&gt;data_.size();\n            return *this;\n        }\n        iterator&amp; operator--() {\n            if (index_ == 0) index_ = buffer_-&gt;data_.size() - 1;\n            else --index_;\n            return *this;\n        }\n        bool operator==(const iterator&amp; other) const {\n            return buffer_ == other.buffer_ &amp;&amp; index_ == other.index_;\n        }\n        bool operator!=(const iterator&amp; other) const {\n            return !(*this == other);\n        }\n    };\n\n    CircularBuffer(size_t capacity) : data_(capacity) {}\n    iterator begin() { return iterator(this, head_); }\n    iterator end() { return iterator(this, (head_ + size_) % data_.size()); }\n};<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-18\">\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u30e1\u30bf\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3067\u306e\u5fdc\u7528<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u30eb\u30fc\u30d7\u306e\u5c55\u958b<\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">template&lt;typename T, size_t N&gt;\nclass StaticArray {\n    T data_[N];\n\n    template&lt;size_t... Is&gt;\n    void fill_impl(T value, std::index_sequence&lt;Is...&gt;) {\n        ((data_[Is] = value), ...);\n    }\n\npublic:\n    void fill(T value) {\n        fill_impl(value, std::make_index_sequence&lt;N&gt;{});\n    }\n\n    auto begin() { return std::begin(data_); }\n    auto end() { return std::end(data_); }\n};\n\n\/\/ \u4f7f\u7528\u4f8b\nStaticArray&lt;int, 5&gt; arr;\narr.fill(42);\nfor (const auto&amp; value : arr) {\n    std::cout &lt;&lt; value &lt;&lt; \" \";\n}<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>\u578b\u30ea\u30b9\u30c8\u306e\u53cd\u5fa9\u51e6\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=\"\">template&lt;typename... Ts&gt;\nstruct TypeList {};\n\ntemplate&lt;typename List&gt;\nstruct ForEachType;\n\ntemplate&lt;typename... Ts&gt;\nstruct ForEachType&lt;TypeList&lt;Ts...&gt;&gt; {\n    template&lt;typename F&gt;\n    static void apply(F&amp;&amp; f) {\n        (f.template operator()&lt;Ts&gt;(), ...);\n    }\n};\n\n\/\/ \u4f7f\u7528\u4f8b\nstruct TypePrinter {\n    template&lt;typename T&gt;\n    void operator()() {\n        std::cout &lt;&lt; typeid(T).name() &lt;&lt; '\\n';\n    }\n};\n\nusing MyTypes = TypeList&lt;int, double, std::string&gt;;\nForEachType&lt;MyTypes&gt;::apply(TypePrinter{});<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li>\u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u578b\u30c1\u30a7\u30c3\u30af<\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">template&lt;typename T&gt;\nconcept Iterable = requires(T t) {\n    { std::begin(t) } -&gt; std::input_or_output_iterator;\n    { std::end(t) } -&gt; std::input_or_output_iterator;\n};\n\ntemplate&lt;typename T&gt;\nrequires Iterable&lt;T&gt;\nvoid process_range(const T&amp; range) {\n    for (const auto&amp; element : range) {\n        std::cout &lt;&lt; element &lt;&lt; \" \";\n    }\n}\n\n\/\/ \u4f7f\u7528\u4f8b\nstd::vector&lt;int&gt; vec = {1, 2, 3};\nprocess_range(vec);  \/\/ OK\n\/\/ process_range(42);  \/\/ \u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc<\/pre>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u9ad8\u5ea6\u306a\u6a5f\u80fd\u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u3001range-based for\u30eb\u30fc\u30d7\u306e\u53ef\u80fd\u6027\u3092\u3055\u3089\u306b\u5e83\u3052\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30e2\u30c0\u30f3C++\u306e\u6a5f\u80fd\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u3088\u308a\u8868\u73fe\u529b\u8c4a\u304b\u3067\u4fdd\u5b88\u6027\u306e\u9ad8\u3044\u30b3\u30fc\u30c9\u3092\u66f8\u304f\u3053\u3068\u304c\u53ef\u80fd\u306b\u306a\u308a\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-1861","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\/1861","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=1861"}],"version-history":[{"count":1,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/posts\/1861\/revisions"}],"predecessor-version":[{"id":1862,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/posts\/1861\/revisions\/1862"}],"wp:attachment":[{"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1861"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1861"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1861"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}