{"id":1767,"date":"2025-03-24T08:49:57","date_gmt":"2025-03-23T23:49:57","guid":{"rendered":"https:\/\/dexall.co.jp\/articles\/?p=1767"},"modified":"2025-03-24T08:49:57","modified_gmt":"2025-03-23T23:49:57","slug":"stdmove%e3%82%92%e5%ae%8c%e5%85%a8%e7%90%86%e8%a7%a3%ef%bc%81%e3%83%91%e3%83%95%e3%82%a9%e3%83%bc%e3%83%9e%e3%83%b3%e3%82%b9%e3%81%8c3%e5%80%8d%e5%90%91%e4%b8%8a%e3%81%99%e3%82%8b5%e3%81%a4%e3%81%ae","status":"publish","type":"post","link":"https:\/\/dexall.co.jp\/articles\/?p=1767","title":{"rendered":"std::move\u3092\u5b8c\u5168\u7406\u89e3\uff01\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c3\u500d\u5411\u4e0a\u3059\u308b5\u3064\u306e\u5b9f\u8df5\u30c6\u30af\u30cb\u30c3\u30af"},"content":{"rendered":"\n<div class=\"toc\"><br \/>\n<b>Warning<\/b>:  Undefined array key \"is_admin\" in <b>\/home\/xs392991\/dexall.co.jp\/public_html\/articles\/wp-content\/themes\/sango-theme\/library\/gutenberg\/dist\/classes\/Toc.php<\/b> on line <b>116<\/b><br \/>\n<br \/>\n<b>Warning<\/b>:  Undefined array key \"is_category_top\" in <b>\/home\/xs392991\/dexall.co.jp\/public_html\/articles\/wp-content\/themes\/sango-theme\/library\/gutenberg\/dist\/classes\/Toc.php<\/b> on line <b>121<\/b><br \/>\n<br \/>\n<b>Warning<\/b>:  Undefined array key \"is_top\" in <b>\/home\/xs392991\/dexall.co.jp\/public_html\/articles\/wp-content\/themes\/sango-theme\/library\/gutenberg\/dist\/classes\/Toc.php<\/b> on line <b>128<\/b><br \/>\n    <div id=\"toc_container\" class=\"sgb-toc--bullets js-smooth-scroll\" data-dialog-title=\"\u76ee\u6b21\">\n      <p class=\"toc_title\">\u76ee\u6b21 <\/p>\n      <ul class=\"toc_list\">  <li class=\"first\">    <a href=\"#i-0\">std::move\u306e\u57fa\u790e\u6982\u5ff5\u3068\u91cd\u8981\u6027<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-1\">\u30e0\u30fc\u30d6\u30bb\u30de\u30f3\u30c6\u30a3\u30af\u30b9\u304c\u3082\u305f\u3089\u3059\u9769\u65b0\u7684\u306a\u5909\u5316<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-2\">\u30b3\u30d4\u30fc\u3068\u30e0\u30fc\u30d6\u306e\u6839\u672c\u7684\u306a\u9055\u3044\u3092\u7406\u89e3\u3059\u308b<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-3\">std::move\u306b\u3088\u308b\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u306e\u5b9f\u8df5\u624b\u9806<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-4\">\u30b9\u30c6\u30c3\u30d71\uff1a\u5927\u304d\u306a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u52b9\u7387\u7684\u306a\u8ee2\u9001<\/a>      <\/li>      <li>        <a href=\"#i-5\">\u30b9\u30c6\u30c3\u30d72\uff1a\u4e0d\u8981\u306a\u30b3\u30d4\u30fc\u306e\u524a\u9664\u306b\u3088\u308b\u6700\u9069\u5316<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-6\">\u30b9\u30c6\u30c3\u30d73\uff1a\u30b3\u30f3\u30c6\u30ca\u64cd\u4f5c\u306e\u9ad8\u901f\u5316\u30c6\u30af\u30cb\u30c3\u30af<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-7\">std::move\u306e\u5371\u967a\u306a\u843d\u3068\u3057\u7a74\u3068\u5bfe\u7b56\u65b9\u6cd5<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-8\">\u30c0\u30f3\u30b0\u30ea\u30f3\u30b0\u53c2\u7167\u3092\u78ba\u5b9f\u306b\u9632\u3050\u65b9\u6cd5<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-9\">\u30e0\u30fc\u30d6\u5f8c\u306e\u5909\u6570\u4f7f\u7528\u306b\u304a\u3051\u308b\u6ce8\u610f\u70b9<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-10\">\u5b9f\u52d9\u3067\u6d3b\u304d\u308bstd::move\u306e\u6d3b\u7528\u30d1\u30bf\u30fc\u30f3<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-11\">\u30d5\u30a1\u30af\u30c8\u30ea\u30d1\u30bf\u30fc\u30f3\u3067\u306e\u52b9\u679c\u7684\u306a\u4f7f\u7528\u6cd5<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-12\">\u9ad8\u6027\u80fd\u306a\u30ea\u30bd\u30fc\u30b9\u7ba1\u7406\u306e\u5b9f\u88c5\u4f8b<\/a>      <\/li>    <\/ul>  <\/li>  <li class=\"last\">    <a href=\"#i-13\">std::move\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u691c\u8a3c\u3068\u6700\u9069\u5316\u306e\u30b3\u30c4<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-14\">\u30d9\u30f3\u30c1\u30de\u30fc\u30af\u306b\u3088\u308b\u52b9\u679c\u6e2c\u5b9a\u306e\u65b9\u6cd5<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-15\">\u5b9f\u969b\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u306e\u6539\u5584\u4e8b\u4f8b<\/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\">std::move\u306e\u57fa\u790e\u6982\u5ff5\u3068\u91cd\u8981\u6027<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-1\">\u30e0\u30fc\u30d6\u30bb\u30de\u30f3\u30c6\u30a3\u30af\u30b9\u304c\u3082\u305f\u3089\u3059\u9769\u65b0\u7684\u306a\u5909\u5316<\/h3>\n\n\n\n<p>C++11\u3067\u5c0e\u5165\u3055\u308c\u305f\u30e0\u30fc\u30d6\u30bb\u30de\u30f3\u30c6\u30a3\u30af\u30b9\u306f\u3001\u5927\u898f\u6a21\u306a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u6271\u3046\u969b\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5287\u7684\u306b\u5411\u4e0a\u3055\u305b\u308b\u9769\u65b0\u7684\u306a\u6a5f\u80fd\u3067\u3059\u3002std::move\u306f\u3053\u306e\u30e0\u30fc\u30d6\u30bb\u30de\u30f3\u30c6\u30a3\u30af\u30b9\u306e\u6838\u3068\u306a\u308b\u6a5f\u80fd\u3067\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u9769\u65b0\u7684\u306a\u5909\u5316\u3092\u3082\u305f\u3089\u3057\u307e\u3057\u305f\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30ea\u30bd\u30fc\u30b9\u8ee2\u9001\u306e\u52b9\u7387\u5316<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30b3\u30d4\u30fc\u306e\u4ee3\u308f\u308a\u306b\u30ea\u30bd\u30fc\u30b9\u306e\u6240\u6709\u6a29\u3092\u79fb\u52d5<\/li>\n\n\n\n<li>\u30e1\u30e2\u30ea\u5272\u308a\u5f53\u3066\u306e\u524a\u6e1b<\/li>\n\n\n\n<li>\u5927\u898f\u6a21\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u64cd\u4f5c\u304c\u9ad8\u901f\u5316<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u5927\u5e45\u306a\u5411\u4e0a<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e0d\u8981\u306a\u30b3\u30d4\u30fc\u306e\u6392\u9664<\/li>\n\n\n\n<li>\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u306e\u524a\u6e1b<\/li>\n\n\n\n<li>\u51e6\u7406\u901f\u5ea6\u306e\u5411\u4e0a<\/li>\n<\/ul>\n\n\n\n<p>\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u4f8b\u3067\u3001std::move\u306e\u57fa\u672c\u7684\u306a\u4f7f\u7528\u65b9\u6cd5\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">#include &lt;string&gt;\n#include &lt;vector&gt;\n#include &lt;iostream&gt;\n\nint main() {\n    \/\/ \u5927\u304d\u306a\u6587\u5b57\u5217\u3092\u4f5c\u6210\n    std::string source = \"\u3053\u308c\u306f\u975e\u5e38\u306b\u9577\u3044\u6587\u5b57\u5217\u3067\u3059...\";\n\n    \/\/ \u30b3\u30d4\u30fc\u306e\u5834\u5408\n    std::string dest1 = source;  \/\/ \u30b3\u30d4\u30fc\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u304c\u547c\u3070\u308c\u308b\n\n    \/\/ \u30e0\u30fc\u30d6\u306e\u5834\u5408\n    std::string dest2 = std::move(source);  \/\/ \u30e0\u30fc\u30d6\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u304c\u547c\u3070\u308c\u308b\n\n    \/\/ \u3053\u306e\u6642\u70b9\u3067source\u306f\u672a\u5b9a\u7fa9\u72b6\u614b\uff08\u305f\u3060\u3057\u6709\u52b9\u306a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\uff09\n    std::cout &lt;&lt; \"source after move: \" &lt;&lt; source &lt;&lt; std::endl;  \/\/ \u7a7a\u6587\u5b57\u5217\u307e\u305f\u306f\u672a\u5b9a\u7fa9\n    std::cout &lt;&lt; \"dest2 after move: \" &lt;&lt; dest2 &lt;&lt; std::endl;    \/\/ \u5143\u306e\u30c7\u30fc\u30bf\n\n    return 0;\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-2\">\u30b3\u30d4\u30fc\u3068\u30e0\u30fc\u30d6\u306e\u6839\u672c\u7684\u306a\u9055\u3044\u3092\u7406\u89e3\u3059\u308b<\/h3>\n\n\n\n<p>\u30b3\u30d4\u30fc\u3068\u30e0\u30fc\u30d6\u306e\u9055\u3044\u306f\u3001\u30c7\u30fc\u30bf\u306e\u6271\u3044\u65b9\u306b\u3042\u308a\u307e\u3059\uff1a<\/p>\n\n\n<div id=\"id-70ae00ab-04ac-4042-a2b1-e2d9822dfbd1\">\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u64cd\u4f5c<\/th><th>\u30ea\u30bd\u30fc\u30b9\u306e\u6271\u3044<\/th><th>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9<\/th><th>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u72b6\u614b<\/th><\/tr><\/thead><tbody><tr><td>\u30b3\u30d4\u30fc<\/td><td>\u65b0\u3057\u3044\u30e1\u30e2\u30ea\u3092\u78ba\u4fdd\u3057\u3066\u30c7\u30fc\u30bf\u3092\u8907\u88fd<\/td><td>\u4f4e\u901f\uff08\u7279\u306b\u5927\u898f\u6a21\u30c7\u30fc\u30bf\uff09<\/td><td>\u4e21\u65b9\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u72ec\u7acb\u3057\u3066\u4f7f\u7528\u53ef\u80fd<\/td><\/tr><tr><td>\u30e0\u30fc\u30d6<\/td><td>\u30ea\u30bd\u30fc\u30b9\u306e\u6240\u6709\u6a29\u3092\u79fb\u52d5<\/td><td>\u9ad8\u901f<\/td><td>\u79fb\u52d5\u5143\u306f\u672a\u5b9a\u7fa9\u72b6\u614b\u306b<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n<p>\u7279\u306b\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5834\u9762\u3067std::move\u306f\u5a01\u529b\u3092\u767a\u63ee\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;vector&gt;\n#include &lt;string&gt;\n\nclass LargeObject {\n    std::vector&lt;std::string&gt; data;\npublic:\n    \/\/ \u30e0\u30fc\u30d6\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\n    LargeObject(LargeObject&amp;&amp; other) noexcept \n        : data(std::move(other.data)) {}  \/\/ \u5185\u90e8\u306evector\u3092\u30e0\u30fc\u30d6\n\n    \/\/ \u30e0\u30fc\u30d6\u4ee3\u5165\u6f14\u7b97\u5b50\n    LargeObject&amp; operator=(LargeObject&amp;&amp; other) noexcept {\n        if (this != &amp;other) {\n            data = std::move(other.data);\n        }\n        return *this;\n    }\n};\n\n\/\/ \u95a2\u6570\u304b\u3089\u306e\u623b\u308a\u5024\u3067\u30e0\u30fc\u30d6\u3092\u6d3b\u7528\nLargeObject createLargeObject() {\n    LargeObject obj;\n    \/\/ ... obj\u306e\u521d\u671f\u5316\n    return obj;  \/\/ \u6697\u9ed9\u7684\u306b\u30e0\u30fc\u30d6\u3055\u308c\u308b\n}<\/pre>\n\n\n\n<p>\u3053\u306e\u5b9f\u88c5\u306b\u3088\u308a\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30e1\u30e2\u30ea\u5272\u308a\u5f53\u3066\u306e\u56de\u6570\u3092\u524a\u6e1b<\/li>\n\n\n\n<li>\u6df1\u3044\u30b3\u30d4\u30fc\u3092\u56de\u907f<\/li>\n\n\n\n<li>\u4e00\u6642\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u3092\u6700\u5c0f\u5316<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u6700\u9069\u5316\u306b\u3088\u308a\u3001\u7279\u306b\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5834\u9762\u3067\u5927\u304d\u306a\u30d1\u30d5\u30a9\u30fc\u30de\u30b9\u5411\u4e0a\u304c\u671f\u5f85\u3067\u304d\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5927\u898f\u6a21\u306a\u30b3\u30f3\u30c6\u30ca\u306e\u64cd\u4f5c<\/li>\n\n\n\n<li>\u30d2\u30fc\u30d7\u30e1\u30e2\u30ea\u3092\u7ba1\u7406\u3059\u308b\u30af\u30e9\u30b9\u306e\u5b9f\u88c5<\/li>\n\n\n\n<li>\u4e00\u6642\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u591a\u7528\u3059\u308b\u51e6\u7406<\/li>\n\n\n\n<li>\u30ea\u30bd\u30fc\u30b9\u3092\u5c02\u6709\u3059\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u7ba1\u7406<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-3\">std::move\u306b\u3088\u308b\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u306e\u5b9f\u8df5\u624b\u9806<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-4\">\u30b9\u30c6\u30c3\u30d71\uff1a\u5927\u304d\u306a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u52b9\u7387\u7684\u306a\u8ee2\u9001<\/h3>\n\n\n\n<p>\u5927\u304d\u306a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u6271\u3046\u969b\u306e\u52b9\u7387\u7684\u306a\u8ee2\u9001\u306f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u5927\u304d\u304f\u5f71\u97ff\u3057\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5b9f\u88c5\u3067\u3001\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u3068CPU\u6642\u9593\u3092\u5927\u5e45\u306b\u524a\u6e1b\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;string&gt;\n#include &lt;memory&gt;\n\nclass DataContainer {\nprivate:\n    std::vector&lt;std::string&gt; data;\n    std::unique_ptr&lt;double[]&gt; measurements;\n    size_t size;\n\npublic:\n    \/\/ \u52b9\u7387\u7684\u306a\u8ee2\u9001\u306e\u305f\u3081\u306e\u30e0\u30fc\u30d6\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\n    DataContainer(DataContainer&amp;&amp; other) noexcept\n        : data(std::move(other.data))\n        , measurements(std::move(other.measurements))\n        , size(other.size) {\n        other.size = 0;  \/\/ \u79fb\u52d5\u5143\u3092\u5b89\u5168\u306a\u72b6\u614b\u306b\n    }\n\n    \/\/ \u30c7\u30fc\u30bf\u306e\u8ffd\u52a0\u30e1\u30bd\u30c3\u30c9\n    void addData(std::string value) {\n        \/\/ \u53f3\u8fba\u5024\u53c2\u7167\u3092\u4f7f\u7528\u3057\u3066\u52b9\u7387\u7684\u306b\u8ffd\u52a0\n        data.push_back(std::move(value));\n    }\n};<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-5\">\u30b9\u30c6\u30c3\u30d72\uff1a\u4e0d\u8981\u306a\u30b3\u30d4\u30fc\u306e\u524a\u9664\u306b\u3088\u308b\u6700\u9069\u5316<\/h3>\n\n\n\n<p>\u4e0d\u8981\u306a\u30b3\u30d4\u30fc\u3092\u524a\u9664\u3059\u308b\u3053\u3068\u3067\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5927\u5e45\u306b\u6539\u5584\u3067\u304d\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u5b9f\u88c5\u30d1\u30bf\u30fc\u30f3\u3092\u6d3b\u7528\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=\"\">class ResourceManager {\nprivate:\n    std::vector&lt;std::unique_ptr&lt;Resource&gt;&gt; resources;\n\npublic:\n    \/\/ \u52b9\u7387\u7684\u306a\u30ea\u30bd\u30fc\u30b9\u8ffd\u52a0\n    void addResource(std::unique_ptr&lt;Resource&gt; resource) {\n        resources.push_back(std::move(resource));  \/\/ \u30e0\u30fc\u30d6\u3067\u6240\u6709\u6a29\u8ee2\u9001\n    }\n\n    \/\/ \u975e\u52b9\u7387\u306a\u5b9f\u88c5\uff08\u907f\u3051\u308b\u3079\u304d\uff09\n    \/*\n    void addResource(const std::unique_ptr&lt;Resource&gt;&amp; resource) {\n        resources.push_back(resource);  \/\/ \u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc\uff01\n    }\n    *\/\n};\n\n\/\/ \u4f7f\u7528\u4f8b\nResourceManager manager;\nauto resource = std::make_unique&lt;Resource&gt;();\nmanager.addResource(std::move(resource));  \/\/ \u660e\u793a\u7684\u306a\u30e0\u30fc\u30d6\u3067\u52b9\u7387\u7684\u306b\u8ee2\u9001<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-6\">\u30b9\u30c6\u30c3\u30d73\uff1a\u30b3\u30f3\u30c6\u30ca\u64cd\u4f5c\u306e\u9ad8\u901f\u5316\u30c6\u30af\u30cb\u30c3\u30af<\/h3>\n\n\n\n<p>STL\u30b3\u30f3\u30c6\u30ca\u306e\u64cd\u4f5c\u3067\u306f\u3001std::move\u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u5927\u5e45\u306a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u5411\u4e0a\u304c\u671f\u5f85\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;string&gt;\n\nclass OptimizedContainer {\nprivate:\n    std::vector&lt;std::string&gt; elements;\n\npublic:\n    \/\/ \u52b9\u7387\u7684\u306a\u8981\u7d20\u8ffd\u52a0\n    void addElement(std::string element) {\n        elements.push_back(std::move(element));  \/\/ \u30b3\u30d4\u30fc\u3067\u306f\u306a\u304f\u30e0\u30fc\u30d6\n    }\n\n    \/\/ \u30b3\u30f3\u30c6\u30ca\u306e\u7d50\u5408\u3092\u6700\u9069\u5316\n    void mergeWith(std::vector&lt;std::string&gt;&amp; other) {\n        elements.reserve(elements.size() + other.size());  \/\/ \u30e1\u30e2\u30ea\u78ba\u4fdd\u3092\u6700\u9069\u5316\n\n        \/\/ \u8981\u7d20\u3092\u52b9\u7387\u7684\u306b\u79fb\u52d5\n        for (auto&amp; element : other) {\n            elements.push_back(std::move(element));\n        }\n        other.clear();  \/\/ \u79fb\u52d5\u5143\u3092\u30af\u30ea\u30a2\n    }\n\n    \/\/ \u7bc4\u56f2\u30d9\u30fc\u30b9\u306e\u52b9\u7387\u7684\u306a\u8ffd\u52a0\n    template&lt;typename Iterator&gt;\n    void addRange(Iterator begin, Iterator end) {\n        elements.reserve(elements.size() + std::distance(begin, end));\n        for (auto it = begin; it != end; ++it) {\n            elements.push_back(std::move(*it));\n        }\n    }\n};\n\n\/\/ \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6539\u5584\u4f8b\nvoid performanceExample() {\n    OptimizedContainer container;\n\n    \/\/ 1. \u5358\u4e00\u8981\u7d20\u306e\u8ffd\u52a0\n    std::string data = \"\u5927\u304d\u306a\u30c7\u30fc\u30bf\";\n    container.addElement(std::move(data));  \/\/ \u30c7\u30fc\u30bf\u3092\u79fb\u52d5\n\n    \/\/ 2. \u8907\u6570\u8981\u7d20\u306e\u7d50\u5408\n    std::vector&lt;std::string&gt; otherData = {\"\u30c7\u30fc\u30bf1\", \"\u30c7\u30fc\u30bf2\", \"\u30c7\u30fc\u30bf3\"};\n    container.mergeWith(otherData);  \/\/ \u52b9\u7387\u7684\u306a\u7d50\u5408\n\n    \/\/ 3. \u30a4\u30c6\u30ec\u30fc\u30bf\u7bc4\u56f2\u306e\u8ffd\u52a0\n    std::vector&lt;std::string&gt; moreData = {\"\u8ffd\u52a01\", \"\u8ffd\u52a02\"};\n    container.addRange(moreData.begin(), moreData.end());\n}<\/pre>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u6700\u9069\u5316\u30c6\u30af\u30cb\u30c3\u30af\u3092\u9069\u7528\u3059\u308b\u969b\u306e\u91cd\u8981\u306a\u30dd\u30a4\u30f3\u30c8\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30e1\u30e2\u30ea\u4e88\u7d04\u306e\u6700\u9069\u5316<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>reserve()<\/code>\u3092\u4f7f\u7528\u3057\u3066\u4e0d\u8981\u306a\u518d\u5272\u308a\u5f53\u3066\u3092\u9632\u6b62<\/li>\n\n\n\n<li>\u79fb\u52d5\u5f8c\u306e\u72b6\u614b\u3092\u9069\u5207\u306b\u7ba1\u7406<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u52b9\u7387\u7684\u306a\u30ea\u30bd\u30fc\u30b9\u7ba1\u7406<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30e0\u30fc\u30d6\u30bb\u30de\u30f3\u30c6\u30a3\u30af\u30b9\u3092\u6d3b\u7528\u3057\u305f\u6240\u6709\u6a29\u8ee2\u9001<\/li>\n\n\n\n<li>\u4e00\u6642\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u751f\u6210\u3092\u6700\u5c0f\u9650\u306b<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u6ce8\u610f\u70b9<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5c0f\u3055\u306a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u5834\u5408\u3001\u30e0\u30fc\u30d6\u3068\u30b3\u30d4\u30fc\u306e\u5dee\u306f\u5c0f\u3055\u3044<\/li>\n\n\n\n<li>\u30b3\u30f3\u30c6\u30ca\u306e\u30b5\u30a4\u30ba\u306b\u5fdc\u3058\u3066\u9069\u5207\u306a\u6226\u7565\u3092\u9078\u629e<\/li>\n\n\n\n<li>\u30c7\u30d0\u30c3\u30b0\u30d3\u30eb\u30c9\u3067\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u691c\u8a3c\u3082\u91cd\u8981<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-7\">std::move\u306e\u5371\u967a\u306a\u843d\u3068\u3057\u7a74\u3068\u5bfe\u7b56\u65b9\u6cd5<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-8\">\u30c0\u30f3\u30b0\u30ea\u30f3\u30b0\u53c2\u7167\u3092\u78ba\u5b9f\u306b\u9632\u3050\u65b9\u6cd5<\/h3>\n\n\n\n<p>std::move\u3092\u4f7f\u7528\u3059\u308b\u969b\u306e\u6700\u3082\u5371\u967a\u306a\u843d\u3068\u3057\u7a74\u306e\u4e00\u3064\u306f\u3001\u30c0\u30f3\u30b0\u30ea\u30f3\u30b0\u53c2\u7167\u306e\u767a\u751f\u3067\u3059\u3002\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u554f\u984c\u3068\u305d\u306e\u5bfe\u7b56\u65b9\u6cd5\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;memory&gt;\n#include &lt;string&gt;\n#include &lt;vector&gt;\n\nclass ResourceHandler {\nprivate:\n    std::string* dangerousPtr;  \/\/ \u5371\u967a\u306a\u751f\u30dd\u30a4\u30f3\u30bf\n    std::shared_ptr&lt;std::string&gt; safePtr;  \/\/ \u5b89\u5168\u306a\u30b9\u30de\u30fc\u30c8\u30dd\u30a4\u30f3\u30bf\n\npublic:\n    \/\/ \u5371\u967a\u306a\u5b9f\u88c5\u4f8b\n    void unsafeMove(std::string&amp; data) {\n        \/\/ \u5371\u967a: \u30e0\u30fc\u30d6\u5f8c\u3082\u53e4\u3044\u30dd\u30a4\u30f3\u30bf\u3092\u4fdd\u6301\n        dangerousPtr = &amp;data;  \/\/ \u30c7\u30fc\u30bf\u306e\u30a2\u30c9\u30ec\u30b9\u3092\u4fdd\u5b58\n        std::string newData = std::move(data);  \/\/ \u30c7\u30fc\u30bf\u3092\u30e0\u30fc\u30d6\n        \/\/ \u3053\u306e\u6642\u70b9\u3067dangerousPtr\u306f\u7121\u52b9\n    }\n\n    \/\/ \u5b89\u5168\u306a\u5b9f\u88c5\u4f8b\n    void safeMove(std::string data) {\n        \/\/ \u5b89\u5168: \u30b9\u30de\u30fc\u30c8\u30dd\u30a4\u30f3\u30bf\u3067\u7ba1\u7406\n        safePtr = std::make_shared&lt;std::string&gt;(std::move(data));\n    }\n};\n\n\/\/ \u5b89\u5168\u306a\u30ea\u30bd\u30fc\u30b9\u7ba1\u7406\u306e\u4f8b\nclass SafeContainer {\nprivate:\n    std::vector&lt;std::unique_ptr&lt;std::string&gt;&gt; data;\n\npublic:\n    void addData(std::unique_ptr&lt;std::string&gt; item) {\n        \/\/ \u6240\u6709\u6a29\u306e\u660e\u78ba\u306a\u79fb\u8ee2\n        data.push_back(std::move(item));\n    }\n};<\/pre>\n\n\n\n<p>\u30c0\u30f3\u30b0\u30ea\u30f3\u30b0\u53c2\u7167\u3092\u9632\u3050\u305f\u3081\u306e\u4e3b\u8981\u306a\u30dd\u30a4\u30f3\u30c8\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30e0\u30fc\u30d6\u5f8c\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3078\u306e\u53c2\u7167\u3092\u4fdd\u6301\u3057\u306a\u3044<\/li>\n\n\n\n<li>\u30b9\u30de\u30fc\u30c8\u30dd\u30a4\u30f3\u30bf\u3092\u6d3b\u7528\u3059\u308b<\/li>\n\n\n\n<li>\u6240\u6709\u6a29\u306e\u79fb\u8ee2\u3092\u660e\u78ba\u306b\u8ffd\u8de1\u3059\u308b<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-9\">\u30e0\u30fc\u30d6\u5f8c\u306e\u5909\u6570\u4f7f\u7528\u306b\u304a\u3051\u308b\u6ce8\u610f\u70b9<\/h3>\n\n\n\n<p>\u30e0\u30fc\u30d6\u5f8c\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u72b6\u614b\u7ba1\u7406\u306f\u7279\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;string&gt;\n#include &lt;vector&gt;\n#include &lt;stdexcept&gt;\n\nclass SafeMovableResource {\nprivate:\n    std::vector&lt;std::string&gt; data;\n    bool moved = false;  \/\/ \u30e0\u30fc\u30d6\u72b6\u614b\u3092\u8ffd\u8de1\n\npublic:\n    \/\/ \u30e0\u30fc\u30d6\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\n    SafeMovableResource(SafeMovableResource&amp;&amp; other) noexcept\n        : data(std::move(other.data)) {\n        other.moved = true;  \/\/ \u30e0\u30fc\u30d6\u6e08\u307f\u30d5\u30e9\u30b0\u3092\u8a2d\u5b9a\n    }\n\n    \/\/ \u5b89\u5168\u306a\u64cd\u4f5c\u30e1\u30bd\u30c3\u30c9\n    void addItem(const std::string&amp; item) {\n        if (moved) {\n            throw std::runtime_error(\"Accessing moved object!\");\n        }\n        data.push_back(item);\n    }\n\n    \/\/ \u30e0\u30fc\u30d6\u5f8c\u306e\u72b6\u614b\u30c1\u30a7\u30c3\u30af\n    bool isValid() const {\n        return !moved;\n    }\n};\n\n\/\/ \u5b89\u5168\u306a\u5b9f\u88c5\u30d1\u30bf\u30fc\u30f3\nclass SafeProcessor {\npublic:\n    static void process(SafeMovableResource&amp;&amp; resource) {\n        \/\/ \u30ea\u30bd\u30fc\u30b9\u3092\u660e\u793a\u7684\u306b\u30e0\u30fc\u30d6\n        auto localResource = std::move(resource);\n\n        \/\/ \u3053\u306e\u6642\u70b9\u3067resource\u306f\u4f7f\u7528\u4e0d\u53ef\n\n        \/\/ localResource\u3092\u4f7f\u7528\u3057\u305f\u51e6\u7406\n        if (localResource.isValid()) {\n            \/\/ \u51e6\u7406\u5b9f\u884c\n        }\n    }\n};<\/pre>\n\n\n\n<p>\u5b89\u5168\u306a\u5b9f\u88c5\u306e\u305f\u3081\u306e\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8\uff1a<\/p>\n\n\n<div id=\"id-e34a29ed-c755-435d-a109-f633cf45c5a3\">\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u9805\u76ee<\/th><th>\u5bfe\u7b56\u65b9\u6cd5<\/th><th>\u52b9\u679c<\/th><\/tr><\/thead><tbody><tr><td>\u30e0\u30fc\u30d6\u5f8c\u306e\u72b6\u614b\u8ffd\u8de1<\/td><td>\u660e\u793a\u7684\u306a\u30d5\u30e9\u30b0\u7ba1\u7406<\/td><td>\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u306e\u9632\u6b62<\/td><\/tr><tr><td>\u4f8b\u5916\u5b89\u5168\u6027<\/td><td>noexcept\u6307\u5b9a<\/td><td>\u4f8b\u5916\u767a\u751f\u6642\u306e\u5b89\u5168\u6027\u78ba\u4fdd<\/td><\/tr><tr><td>\u6240\u6709\u6a29\u7ba1\u7406<\/td><td>\u30b9\u30de\u30fc\u30c8\u30dd\u30a4\u30f3\u30bf\u306e\u4f7f\u7528<\/td><td>\u30e1\u30e2\u30ea\u30ea\u30fc\u30af\u306e\u9632\u6b62<\/td><\/tr><tr><td>\u72b6\u614b\u691c\u8a3c<\/td><td>\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u95a2\u6570\u306e\u63d0\u4f9b<\/td><td>\u5b9f\u884c\u6642\u30a8\u30e9\u30fc\u306e\u65e9\u671f\u767a\u898b<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n<p>\u30c7\u30d0\u30c3\u30b0\u306e\u305f\u3081\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30e0\u30fc\u30d6\u64cd\u4f5c\u306e\u30ed\u30b0\u8a18\u9332<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class DebugMovable {\npublic:\n    DebugMovable(DebugMovable&amp;&amp; other) noexcept {\n        #ifdef DEBUG\n        std::cout &lt;&lt; \"Move occurred at \" &lt;&lt; __FILE__ &lt;&lt; \":\" &lt;&lt; __LINE__ &lt;&lt; std::endl;\n        #endif\n        \/\/ \u30e0\u30fc\u30d6\u51e6\u7406\n    }\n};<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u30a2\u30b5\u30fc\u30b7\u30e7\u30f3\u306e\u6d3b\u7528<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">void processData(std::vector&lt;std::string&gt;&amp;&amp; data) {\n    assert(!data.empty() &amp;&amp; \"Moving empty vector!\");\n    auto processed = std::move(data);\n    assert(data.empty() &amp;&amp; \"Move did not clear source!\");\n    \/\/ \u51e6\u7406\u7d9a\u884c\n}<\/pre>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u5bfe\u7b56\u3092\u9069\u5207\u306b\u5b9f\u88c5\u3059\u308b\u3053\u3068\u3067\u3001std::move\u306e\u4f7f\u7528\u306b\u95a2\u9023\u3059\u308b\u591a\u304f\u306e\u554f\u984c\u3092\u672a\u7136\u306b\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-10\">\u5b9f\u52d9\u3067\u6d3b\u304d\u308bstd::move\u306e\u6d3b\u7528\u30d1\u30bf\u30fc\u30f3<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-11\">\u30d5\u30a1\u30af\u30c8\u30ea\u30d1\u30bf\u30fc\u30f3\u3067\u306e\u52b9\u679c\u7684\u306a\u4f7f\u7528\u6cd5<\/h3>\n\n\n\n<p>\u30d5\u30a1\u30af\u30c8\u30ea\u30d1\u30bf\u30fc\u30f3\u306bstd::move\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u52b9\u7387\u7684\u306a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u751f\u6210\u3068\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;memory&gt;\n#include &lt;string&gt;\n#include &lt;vector&gt;\n#include &lt;unordered_map&gt;\n\n\/\/ \u30d7\u30ed\u30c0\u30af\u30c8\u306e\u57fa\u5e95\u30af\u30e9\u30b9\nclass Product {\npublic:\n    virtual ~Product() = default;\n    virtual void configure() = 0;\n};\n\n\/\/ \u5177\u4f53\u7684\u306a\u30d7\u30ed\u30c0\u30af\u30c8\nclass ConcreteProduct : public Product {\nprivate:\n    std::vector&lt;std::string&gt; data;\n    std::unique_ptr&lt;char[]&gt; buffer;\n\npublic:\n    void configure() override {\n        \/\/ \u8a2d\u5b9a\u51e6\u7406\n    }\n\n    \/\/ \u30c7\u30fc\u30bf\u8a2d\u5b9a\uff08\u30e0\u30fc\u30d6\u4f7f\u7528\uff09\n    void setData(std::vector&lt;std::string&gt;&amp;&amp; newData) {\n        data = std::move(newData);\n    }\n\n    \/\/ \u30d0\u30c3\u30d5\u30a1\u8a2d\u5b9a\uff08\u30e0\u30fc\u30d6\u4f7f\u7528\uff09\n    void setBuffer(std::unique_ptr&lt;char[]&gt; newBuffer) {\n        buffer = std::move(newBuffer);\n    }\n};\n\n\/\/ \u6700\u9069\u5316\u3055\u308c\u305f\u30d5\u30a1\u30af\u30c8\u30ea\u30af\u30e9\u30b9\nclass ProductFactory {\nprivate:\n    std::unordered_map&lt;std::string, std::unique_ptr&lt;Product&gt;&gt; cache;\n\npublic:\n    \/\/ \u52b9\u7387\u7684\u306a\u30d7\u30ed\u30c0\u30af\u30c8\u4f5c\u6210\n    std::unique_ptr&lt;Product&gt; createProduct(const std::string&amp; type) {\n        auto it = cache.find(type);\n        if (it != cache.end()) {\n            \/\/ \u30ad\u30e3\u30c3\u30b7\u30e5\u3055\u308c\u305f\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u30e0\u30fc\u30d6\u3057\u3066\u8fd4\u3059\n            return std::move(it-&gt;second);\n        }\n\n        auto product = std::make_unique&lt;ConcreteProduct&gt;();\n        product-&gt;configure();\n        return product;\n    }\n\n    \/\/ \u30ad\u30e3\u30c3\u30b7\u30e5\u3078\u306e\u52b9\u7387\u7684\u306a\u8ffd\u52a0\n    void cacheProduct(const std::string&amp; type, std::unique_ptr&lt;Product&gt; product) {\n        cache[type] = std::move(product);\n    }\n};<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-12\">\u9ad8\u6027\u80fd\u306a\u30ea\u30bd\u30fc\u30b9\u7ba1\u7406\u306e\u5b9f\u88c5\u4f8b<\/h3>\n\n\n\n<p>\u30ea\u30bd\u30fc\u30b9\u7ba1\u7406\u30af\u30e9\u30b9\u3067std::move\u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30e1\u30e2\u30ea\u52b9\u7387\u3068\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u4e21\u7acb\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;memory&gt;\n#include &lt;vector&gt;\n#include &lt;string&gt;\n#include &lt;future&gt;\n\nclass ResourcePool {\nprivate:\n    std::vector&lt;std::unique_ptr&lt;Resource&gt;&gt; resources;\n    std::mutex mutex;\n\npublic:\n    \/\/ \u30ea\u30bd\u30fc\u30b9\u306e\u52b9\u7387\u7684\u306a\u8ffd\u52a0\n    void addResource(std::unique_ptr&lt;Resource&gt; resource) {\n        std::lock_guard&lt;std::mutex&gt; lock(mutex);\n        resources.push_back(std::move(resource));\n    }\n\n    \/\/ \u30ea\u30bd\u30fc\u30b9\u306e\u52b9\u7387\u7684\u306a\u53d6\u5f97\n    std::unique_ptr&lt;Resource&gt; acquireResource() {\n        std::lock_guard&lt;std::mutex&gt; lock(mutex);\n        if (resources.empty()) {\n            return nullptr;\n        }\n        auto resource = std::move(resources.back());\n        resources.pop_back();\n        return resource;\n    }\n};\n\n\/\/ \u975e\u540c\u671f\u51e6\u7406\u3067\u306e\u6d3b\u7528\u4f8b\nclass AsyncProcessor {\nprivate:\n    ResourcePool pool;\n\npublic:\n    \/\/ \u975e\u540c\u671f\u30bf\u30b9\u30af\u306e\u52b9\u7387\u7684\u306a\u5b9f\u884c\n    std::future&lt;void&gt; processAsync(std::vector&lt;std::string&gt; data) {\n        return std::async(std::launch::async, [this, data = std::move(data)]() mutable {\n            auto resource = pool.acquireResource();\n            if (resource) {\n                \/\/ \u30c7\u30fc\u30bf\u51e6\u7406\n                resource-&gt;process(std::move(data));\n                \/\/ \u30ea\u30bd\u30fc\u30b9\u3092\u8fd4\u5374\n                pool.addResource(std::move(resource));\n            }\n        });\n    }\n};\n\n\/\/ \u30d3\u30eb\u30c0\u30fc\u30d1\u30bf\u30fc\u30f3\u3067\u306e\u6d3b\u7528\u4f8b\nclass DataBuilder {\nprivate:\n    std::vector&lt;std::string&gt; strings;\n    std::unique_ptr&lt;char[]&gt; buffer;\n    size_t bufferSize;\n\npublic:\n    \/\/ \u6587\u5b57\u5217\u30c7\u30fc\u30bf\u306e\u8ffd\u52a0\n    DataBuilder&amp; addStrings(std::vector&lt;std::string&gt;&amp;&amp; newStrings) {\n        strings = std::move(newStrings);\n        return *this;\n    }\n\n    \/\/ \u30d0\u30c3\u30d5\u30a1\u306e\u8a2d\u5b9a\n    DataBuilder&amp; setBuffer(std::unique_ptr&lt;char[]&gt; newBuffer, size_t size) {\n        buffer = std::move(newBuffer);\n        bufferSize = size;\n        return *this;\n    }\n\n    \/\/ \u6700\u7d42\u7684\u306a\u30c7\u30fc\u30bf\u69cb\u9020\u306e\u69cb\u7bc9\n    std::unique_ptr&lt;ComplexData&gt; build() {\n        auto result = std::make_unique&lt;ComplexData&gt;();\n        result-&gt;setStrings(std::move(strings));\n        result-&gt;setBuffer(std::move(buffer), bufferSize);\n        return result;\n    }\n};<\/pre>\n\n\n\n<p>\u5b9f\u52d9\u3067\u306e\u6d3b\u7528\u30dd\u30a4\u30f3\u30c8\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u306a\u5834\u9762\u3067\u306e\u6d3b\u7528<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5927\u898f\u6a21\u30c7\u30fc\u30bf\u8ee2\u9001<\/li>\n\n\n\n<li>\u30ea\u30bd\u30fc\u30b9\u30d7\u30fc\u30eb\u7ba1\u7406<\/li>\n\n\n\n<li>\u975e\u540c\u671f\u51e6\u7406<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30c7\u30b6\u30a4\u30f3\u30d1\u30bf\u30fc\u30f3\u3068\u306e\u7d44\u307f\u5408\u308f\u305b<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30d5\u30a1\u30af\u30c8\u30ea\u30d1\u30bf\u30fc\u30f3<\/li>\n\n\n\n<li>\u30d3\u30eb\u30c0\u30fc\u30d1\u30bf\u30fc\u30f3<\/li>\n\n\n\n<li>\u30b7\u30f3\u30b0\u30eb\u30c8\u30f3\u30d1\u30bf\u30fc\u30f3<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u4e26\u884c\u51e6\u7406\u3067\u306e\u52b9\u679c\u7684\u306a\u4f7f\u7528<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30b9\u30ec\u30c3\u30c9\u9593\u306e\u30c7\u30fc\u30bf\u8ee2\u9001<\/li>\n\n\n\n<li>\u975e\u540c\u671f\u30bf\u30b9\u30af\u306e\u5b9f\u884c<\/li>\n\n\n\n<li>\u30ea\u30bd\u30fc\u30b9\u306e\u5171\u6709\u7ba1\u7406<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u30d1\u30bf\u30fc\u30f3\u3092\u9069\u5207\u306b\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u52b9\u7387\u7684\u3067\u4fdd\u5b88\u6027\u306e\u9ad8\u3044\u30b3\u30fc\u30c9\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-13\">std::move\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u691c\u8a3c\u3068\u6700\u9069\u5316\u306e\u30b3\u30c4<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-14\">\u30d9\u30f3\u30c1\u30de\u30fc\u30af\u306b\u3088\u308b\u52b9\u679c\u6e2c\u5b9a\u306e\u65b9\u6cd5<\/h3>\n\n\n\n<p>std::move\u306e\u52b9\u679c\u3092\u6b63\u78ba\u306b\u6e2c\u5b9a\u3059\u308b\u305f\u3081\u306b\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30d9\u30f3\u30c1\u30de\u30fc\u30af\u624b\u6cd5\u3092\u6d3b\u7528\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;chrono&gt;\n#include &lt;vector&gt;\n#include &lt;string&gt;\n#include &lt;iostream&gt;\n#include &lt;iomanip&gt;\n\nclass PerformanceTester {\nprivate:\n    using Clock = std::chrono::high_resolution_clock;\n    using TimePoint = Clock::time_point;\n    using Duration = std::chrono::microseconds;\n\n    \/\/ \u6e2c\u5b9a\u7d50\u679c\u3092\u4fdd\u5b58\u3059\u308b\u69cb\u9020\u4f53\n    struct Result {\n        Duration copyTime;\n        Duration moveTime;\n        size_t dataSize;\n    };\n\npublic:\n    \/\/ \u30d9\u30f3\u30c1\u30de\u30fc\u30af\u5b9f\u884c\u95a2\u6570\n    static Result benchmark(size_t size) {\n        Result result;\n        result.dataSize = size;\n\n        \/\/ \u30c6\u30b9\u30c8\u30c7\u30fc\u30bf\u306e\u6e96\u5099\n        std::vector&lt;std::string&gt; source(size, \"test string for benchmark\");\n\n        \/\/ \u30b3\u30d4\u30fc\u306e\u8a08\u6e2c\n        {\n            auto start = Clock::now();\n            auto dest = source;  \/\/ \u30b3\u30d4\u30fc\n            auto end = Clock::now();\n            result.copyTime = std::chrono::duration_cast&lt;Duration&gt;(end - start);\n        }\n\n        \/\/ \u30e0\u30fc\u30d6\u306e\u8a08\u6e2c\n        {\n            auto start = Clock::now();\n            auto dest = std::move(source);  \/\/ \u30e0\u30fc\u30d6\n            auto end = Clock::now();\n            result.moveTime = std::chrono::duration_cast&lt;Duration&gt;(end - start);\n        }\n\n        return result;\n    }\n\n    \/\/ \u8907\u6570\u30b5\u30a4\u30ba\u3067\u306e\u30d9\u30f3\u30c1\u30de\u30fc\u30af\u5b9f\u884c\n    static void runBenchmarks() {\n        std::vector&lt;size_t&gt; sizes = {1000, 10000, 100000};\n\n        std::cout &lt;&lt; std::setw(10) &lt;&lt; \"Size\" \n                  &lt;&lt; std::setw(15) &lt;&lt; \"Copy (\u03bcs)\"\n                  &lt;&lt; std::setw(15) &lt;&lt; \"Move (\u03bcs)\"\n                  &lt;&lt; std::setw(15) &lt;&lt; \"Improvement\" &lt;&lt; std::endl;\n\n        for (auto size : sizes) {\n            auto result = benchmark(size);\n            double improvement = 100.0 * (1.0 - \n                static_cast&lt;double&gt;(result.moveTime.count()) \/ \n                result.copyTime.count());\n\n            std::cout &lt;&lt; std::setw(10) &lt;&lt; size\n                      &lt;&lt; std::setw(15) &lt;&lt; result.copyTime.count()\n                      &lt;&lt; std::setw(15) &lt;&lt; result.moveTime.count()\n                      &lt;&lt; std::setw(15) &lt;&lt; std::fixed &lt;&lt; std::setprecision(2)\n                      &lt;&lt; improvement &lt;&lt; \"%\" &lt;&lt; std::endl;\n        }\n    }\n};<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-15\">\u5b9f\u969b\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u306e\u6539\u5584\u4e8b\u4f8b<\/h3>\n\n\n\n<p>\u5b9f\u969b\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u306e\u6700\u9069\u5316\u4e8b\u4f8b\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">#include &lt;memory&gt;\n#include &lt;vector&gt;\n#include &lt;string&gt;\n\n\/\/ \u6700\u9069\u5316\u524d\u306e\u30af\u30e9\u30b9\nclass BeforeOptimization {\nprivate:\n    std::vector&lt;std::string&gt; data;\n\npublic:\n    void processData(const std::vector&lt;std::string&gt;&amp; input) {  \/\/ \u30b3\u30d4\u30fc\u304c\u767a\u751f\n        data = input;\n        \/\/ \u30c7\u30fc\u30bf\u51e6\u7406\n    }\n\n    std::vector&lt;std::string&gt; getData() {  \/\/ \u30b3\u30d4\u30fc\u304c\u767a\u751f\n        return data;\n    }\n};\n\n\/\/ \u6700\u9069\u5316\u5f8c\u306e\u30af\u30e9\u30b9\nclass AfterOptimization {\nprivate:\n    std::vector&lt;std::string&gt; data;\n\npublic:\n    void processData(std::vector&lt;std::string&gt;&amp;&amp; input) {  \/\/ \u30e0\u30fc\u30d6\u3092\u6d3b\u7528\n        data = std::move(input);\n        \/\/ \u30c7\u30fc\u30bf\u51e6\u7406\n    }\n\n    std::vector&lt;std::string&gt; getData() &amp;&amp; {  \/\/ \u53f3\u8fba\u5024\u53c2\u7167\u3067\u30e0\u30fc\u30d6\u3092\u5f37\u5236\n        return std::move(data);\n    }\n\n    const std::vector&lt;std::string&gt;&amp; getData() const&amp; {  \/\/ \u5de6\u8fba\u5024\u53c2\u7167\u3067\u53c2\u7167\u3092\u8fd4\u3059\n        return data;\n    }\n};\n\n\/\/ \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6539\u5584\u306e\u30dd\u30a4\u30f3\u30c8\nclass PerformanceOptimizedContainer {\nprivate:\n    std::vector&lt;std::unique_ptr&lt;std::string&gt;&gt; elements;\n\npublic:\n    \/\/ \u8981\u7d20\u306e\u52b9\u7387\u7684\u306a\u8ffd\u52a0\uff08\u6539\u5584\u5f8c\uff09\n    void addElement(std::unique_ptr&lt;std::string&gt; element) {\n        elements.reserve(elements.size() + 1);  \/\/ \u518d\u5272\u308a\u5f53\u3066\u9632\u6b62\n        elements.push_back(std::move(element));\n    }\n\n    \/\/ \u30d0\u30c3\u30c1\u51e6\u7406\u306e\u6700\u9069\u5316\uff08\u6539\u5584\u5f8c\uff09\n    void addBatch(std::vector&lt;std::unique_ptr&lt;std::string&gt;&gt;&amp;&amp; batch) {\n        elements.reserve(elements.size() + batch.size());  \/\/ \u4e00\u5ea6\u306e\u9818\u57df\u78ba\u4fdd\n        for (auto&amp; element : batch) {\n            elements.push_back(std::move(element));\n        }\n    }\n};<\/pre>\n\n\n\n<p>\u6700\u9069\u5316\u306e\u305f\u3081\u306e\u4e3b\u8981\u306a\u30c1\u30a7\u30c3\u30af\u30dd\u30a4\u30f3\u30c8\uff1a<\/p>\n\n\n<div id=\"id-42598b01-d321-4c14-bb20-a9f89d642294\">\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u89b3\u70b9<\/th><th>\u30c1\u30a7\u30c3\u30af\u9805\u76ee<\/th><th>\u671f\u5f85\u3055\u308c\u308b\u6539\u5584\u52b9\u679c<\/th><\/tr><\/thead><tbody><tr><td>\u30e1\u30e2\u30ea\u7ba1\u7406<\/td><td>reserve()\u306e\u4f7f\u7528<\/td><td>\u518d\u5272\u308a\u5f53\u3066\u306e\u524a\u6e1b<\/td><\/tr><tr><td>\u4e00\u6642\u30aa\u30d6\u30b8\u30a7\u30af\u30c8<\/td><td>\u53f3\u8fba\u5024\u53c2\u7167\u306e\u6d3b\u7528<\/td><td>\u30b3\u30d4\u30fc\u30b3\u30b9\u30c8\u306e\u524a\u6e1b<\/td><\/tr><tr><td>\u30ea\u30bd\u30fc\u30b9\u8ee2\u9001<\/td><td>\u30e0\u30fc\u30d6\u30bb\u30de\u30f3\u30c6\u30a3\u30af\u30b9<\/td><td>\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u306e\u524a\u6e1b<\/td><\/tr><tr><td>\u30b3\u30f3\u30c6\u30ca\u64cd\u4f5c<\/td><td>\u30d0\u30c3\u30c1\u51e6\u7406\u306e\u6700\u9069\u5316<\/td><td>\u51e6\u7406\u6642\u9593\u306e\u77ed\u7e2e<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n<p>\u5178\u578b\u7684\u306a\u6539\u5584\u52b9\u679c\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5927\u898f\u6a21\u30c7\u30fc\u30bf\u8ee2\u9001: 50-90%\u306e\u51e6\u7406\u6642\u9593\u524a\u6e1b<\/li>\n\n\n\n<li>\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf: 30-60%\u306e\u524a\u6e1b<\/li>\n\n\n\n<li>CPU\u4f7f\u7528\u7387: 20-40%\u306e\u524a\u6e1b<\/li>\n<\/ol>\n\n\n\n<p>\u6700\u9069\u5316\u3092\u6210\u529f\u3055\u305b\u308b\u305f\u3081\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u8a08\u6e2c\u3068\u5206\u6790<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6700\u9069\u5316\u524d\u5f8c\u3067\u306e\u30d9\u30f3\u30c1\u30de\u30fc\u30af\u5b9f\u65bd<\/li>\n\n\n\n<li>\u30dc\u30c8\u30eb\u30cd\u30c3\u30af\u306e\u7279\u5b9a<\/li>\n\n\n\n<li>\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u306e\u76e3\u8996<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u6bb5\u968e\u7684\u306a\u6539\u5584<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5f71\u97ff\u5ea6\u306e\u5927\u304d\u3044\u7b87\u6240\u304b\u3089\u7740\u624b<\/li>\n\n\n\n<li>\u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0\u3068\u7d44\u307f\u5408\u308f\u305b<\/li>\n\n\n\n<li>\u30c6\u30b9\u30c8\u306b\u3088\u308b\u54c1\u8cea\u62c5\u4fdd<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u7d99\u7d9a\u7684\u306a\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6307\u6a19\u306e\u5b9a\u671f\u30c1\u30a7\u30c3\u30af<\/li>\n\n\n\n<li>\u30ea\u30b0\u30ec\u30c3\u30b7\u30e7\u30f3\u9632\u6b62<\/li>\n\n\n\n<li>\u65b0\u898f\u6a5f\u80fd\u8ffd\u52a0\u6642\u306e\u5f71\u97ff\u78ba\u8a8d<\/li>\n\n\n\n<li><\/li>\n<\/ul>\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; 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