{"id":2114,"date":"2025-03-24T08:48:16","date_gmt":"2025-03-23T23:48:16","guid":{"rendered":"https:\/\/dexall.co.jp\/articles\/?p=2114"},"modified":"2025-03-24T08:48:41","modified_gmt":"2025-03-23T23:48:41","slug":"c%e3%81%a7string%e5%9e%8b%e3%81%a8char%e5%9e%8b%e3%82%92%e5%ae%89%e5%85%a8%e3%81%ab%e5%a4%89%e6%8f%9b%e3%81%99%e3%82%8b5%e3%81%a4%e3%81%ae%e5%ae%9f%e8%b7%b5%e7%9a%84%e3%83%86%e3%82%af%e3%83%8b","status":"publish","type":"post","link":"https:\/\/dexall.co.jp\/articles\/?p=2114","title":{"rendered":"C++\u3067string\u578b\u3068char\u578b\u3092\u5b89\u5168\u306b\u5909\u63db\u3059\u308b5\u3064\u306e\u5b9f\u8df5\u7684\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\">string\u578b\u3068char\u578b\u306e\u57fa\u790e\u77e5\u8b58<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-1\">C++\u306b\u304a\u3051\u308bstring\u578b\u306e\u7279\u5fb4\u3068\u5229\u70b9<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-2\">char\u578b\u3068\u6587\u5b57\u5217\u306e\u95a2\u4fc2\u6027\u3092\u7406\u89e3\u3059\u308b<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-3\">string\u578b\u304b\u3089char\u578b\u3078\u306e\u5909\u63db\u624b\u6cd5<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-4\">c_str()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u305f\u5b89\u5168\u306a\u5909\u63db\u65b9\u6cd5<\/a>      <\/li>      <li>        <a href=\"#i-5\">data()\u30e1\u30bd\u30c3\u30c9\u306b\u3088\u308b\u6700\u65b0\u306e\u5909\u63db\u30a2\u30d7\u30ed\u30fc\u30c1<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-6\">\u6587\u5b57\u5217\u306e\u4e00\u90e8\u3092\u53d6\u308a\u51fa\u3057\u3066char\u578b\u306b\u5909\u63db\u3059\u308b<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-7\">char\u578b\u304b\u3089string\u578b\u3078\u306e\u5909\u63db\u30c6\u30af\u30cb\u30c3\u30af<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-8\">constructor\u3092\u4f7f\u7528\u3057\u305f\u76f4\u63a5\u7684\u306a\u5909\u63db\u65b9\u6cd5<\/a>      <\/li>      <li>        <a href=\"#i-9\">assign()\u30e1\u30bd\u30c3\u30c9\u3092\u6d3b\u7528\u3057\u305f\u67d4\u8edf\u306a\u5909\u63db<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-10\">\u8907\u6570\u6587\u5b57\u306e\u9023\u7d50\u3068string\u578b\u3078\u306e\u5909\u63db<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-11\">\u5909\u63db\u6642\u306e\u6ce8\u610f\u70b9\u3068\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-12\">\u30e1\u30e2\u30ea\u7ba1\u7406\u306b\u304a\u3051\u308b\u91cd\u8981\u306a\u8003\u616e\u4e8b\u9805<\/a>      <\/li>      <li>        <a href=\"#i-13\">\u6587\u5b57\u30b3\u30fc\u30c9\u306e\u9055\u3044\u306b\u3088\u308b\u554f\u984c\u3068\u5bfe\u51e6\u6cd5<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-14\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u8003\u616e\u3057\u305f\u5b9f\u88c5\u65b9\u6cd5<\/a>      <\/li>    <\/ul>  <\/li>  <li class=\"last\">    <a href=\"#i-15\">\u5b9f\u8df5\u7684\u306a\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u3068\u5fdc\u7528\u4f8b<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-16\">\u30d5\u30a1\u30a4\u30eb\u5165\u51fa\u529b\u3067\u306e\u6d3b\u7528\u65b9\u6cd5<\/a>      <\/li>      <li>        <a href=\"#i-17\">\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u901a\u4fe1\u3067\u306e\u6587\u5b57\u5217\u51e6\u7406<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-18\">\u30ec\u30ac\u30b7\u30fc\u30b3\u30fc\u30c9\u3068\u306e\u4e92\u63db\u6027\u7dad\u6301<\/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\">string\u578b\u3068char\u578b\u306e\u57fa\u790e\u77e5\u8b58<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-1\">C++\u306b\u304a\u3051\u308bstring\u578b\u306e\u7279\u5fb4\u3068\u5229\u70b9<\/h3>\n\n\n\n<p>C++\u306b\u304a\u3051\u308bstring\u578b\uff08std::string\uff09\u306f\u3001\u73fe\u4ee3\u306eC++\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306b\u304a\u3044\u3066\u6700\u3082\u91cd\u8981\u306a\u30c7\u30fc\u30bf\u578b\u306e\u4e00\u3064\u3067\u3059\u3002\u6587\u5b57\u5217\u64cd\u4f5c\u3092\u5b89\u5168\u304b\u3064\u52b9\u7387\u7684\u306b\u884c\u3046\u305f\u3081\u306b\u8a2d\u8a08\u3055\u308c\u305f\u3001\u6a19\u6e96\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u30e9\u30a4\u30d6\u30e9\u30ea\uff08STL\uff09\u306e\u4e00\u90e8\u3067\u3059\u3002<\/p>\n\n\n\n<p>string\u578b\u306e\u4e3b\u306a\u7279\u5fb4\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u52d5\u7684\u306a\u30e1\u30e2\u30ea\u7ba1\u7406<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u81ea\u52d5\u7684\u306b\u30e1\u30e2\u30ea\u306e\u78ba\u4fdd\u30fb\u89e3\u653e\u3092\u884c\u3046<\/li>\n\n\n\n<li>\u30d0\u30c3\u30d5\u30a1\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u3092\u9632\u6b62<\/li>\n\n\n\n<li>\u30e1\u30e2\u30ea\u30ea\u30fc\u30af\u306e\u30ea\u30b9\u30af\u3092\u4f4e\u6e1b<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u8c4a\u5bcc\u306a\u30e1\u30f3\u30d0\u95a2\u6570<\/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;string&gt;\n\n   std::string str = \"Hello\";\n   str.append(\" World\");    \/\/ \u6587\u5b57\u5217\u306e\u8ffd\u52a0\n   str.length();           \/\/ \u6587\u5b57\u5217\u306e\u9577\u3055\u53d6\u5f97\n   str.substr(0, 5);      \/\/ \u90e8\u5206\u6587\u5b57\u5217\u306e\u53d6\u5f97\n   str.find(\"World\");     \/\/ \u6587\u5b57\u5217\u306e\u691c\u7d22<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li>\u6f14\u7b97\u5b50\u306e\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9<\/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::string str1 = \"Hello\";\n   std::string str2 = \" World\";\n   std::string result = str1 + str2;  \/\/ \u6587\u5b57\u5217\u306e\u9023\u7d50<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-2\">char\u578b\u3068\u6587\u5b57\u5217\u306e\u95a2\u4fc2\u6027\u3092\u7406\u89e3\u3059\u308b<\/h3>\n\n\n\n<p>char\u578b\u306f\u3001C\u8a00\u8a9e\u7531\u6765\u306e\u6587\u5b57\u30c7\u30fc\u30bf\u578b\u3067\u30011\u30d0\u30a4\u30c8\u306e\u30e1\u30e2\u30ea\u7a7a\u9593\u306b\u5358\u4e00\u306e\u6587\u5b57\u3092\u683c\u7d0d\u3057\u307e\u3059\u3002C++\u3067\u306f\u3001char\u578b\u306f\u4ee5\u4e0b\u306e\u5f62\u5f0f\u3067\u6587\u5b57\u5217\u3092\u8868\u73fe\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u6587\u5b57\u914d\u5217\u3068\u3057\u3066\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=\"\">   char str[] = \"Hello\";  \/\/ null\u7d42\u7aef\u6587\u5b57\u3092\u542b\u30806\u30d0\u30a4\u30c8\n   \/\/ \u30e1\u30e2\u30ea\u30ec\u30a4\u30a2\u30a6\u30c8: ['H']['e']['l']['l']['o']['\\0']<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>\u30dd\u30a4\u30f3\u30bf\u3068\u3057\u3066\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=\"\">   const char* str = \"Hello\";  \/\/ \u8aad\u307f\u53d6\u308a\u5c02\u7528\u306e\u6587\u5b57\u5217\u30ea\u30c6\u30e9\u30eb<\/pre>\n\n\n\n<p>\u6bd4\u8f03\uff1astring\u578b vs char\u578b\u6587\u5b57\u5217<\/p>\n\n\n<div id=\"id-e1e4b6b7-fd9e-44e3-8a6c-029a2b5285c4\">\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u7279\u5fb4<\/th><th>string\u578b<\/th><th>char\u578b\u6587\u5b57\u5217<\/th><\/tr><\/thead><tbody><tr><td>\u30e1\u30e2\u30ea\u7ba1\u7406<\/td><td>\u81ea\u52d5<\/td><td>\u624b\u52d5<\/td><\/tr><tr><td>\u30d0\u30c3\u30d5\u30a1\u30b5\u30a4\u30ba<\/td><td>\u52d5\u7684<\/td><td>\u56fa\u5b9a<\/td><\/tr><tr><td>null\u7d42\u7aef<\/td><td>\u4e0d\u8981<\/td><td>\u5fc5\u8981<\/td><\/tr><tr><td>\u30e1\u30f3\u30d0\u95a2\u6570<\/td><td>\u8c4a\u5bcc<\/td><td>\u306a\u3057<\/td><\/tr><tr><td>\u30e1\u30e2\u30ea\u52b9\u7387<\/td><td>\u3084\u3084\u4f4e\u3044<\/td><td>\u9ad8\u3044<\/td><\/tr><tr><td>\u5b89\u5168\u6027<\/td><td>\u9ad8\u3044<\/td><td>\u8981\u6ce8\u610f<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n<p>char\u578b\u3092\u4f7f\u7528\u3059\u308b\u4e3b\u306a\u7406\u7531\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30ec\u30ac\u30b7\u30fc\u30b3\u30fc\u30c9\u3068\u306e\u4e92\u63db\u6027\u7dad\u6301<\/li>\n\n\n\n<li>\u30b7\u30b9\u30c6\u30e0API\u3068\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9<\/li>\n\n\n\n<li>\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u306e\u6700\u9069\u5316<\/li>\n\n\n\n<li>\u4f4e\u30ec\u30a4\u30e4\u30fc\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0<\/li>\n<\/ol>\n\n\n\n<p>\u6587\u5b57\u5217\u51e6\u7406\u306b\u304a\u3044\u3066\u3001string\u578b\u3068char\u578b\u306f\u305d\u308c\u305e\u308c\u7570\u306a\u308b\u7528\u9014\u3068\u5229\u70b9\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u3002\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u3053\u308c\u3089\u306e\u578b\u306e\u9593\u3067\u306e\u5b89\u5168\u306a\u5909\u63db\u65b9\u6cd5\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u6ce8\u610f\u70b9\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>char\u578b\u6587\u5b57\u5217\u3092\u6271\u3046\u969b\u306f\u3001\u5fc5\u305anull\u7d42\u7aef\u6587\u5b57\u306e\u5b58\u5728\u3092\u78ba\u8a8d<\/li>\n\n\n\n<li>\u30d0\u30c3\u30d5\u30a1\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u306b\u6ce8\u610f<\/li>\n\n\n\n<li>\u6587\u5b57\u30a8\u30f3\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u306e\u9055\u3044\u306b\u7559\u610f<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-3\">string\u578b\u304b\u3089char\u578b\u3078\u306e\u5909\u63db\u624b\u6cd5<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-4\">c_str()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u305f\u5b89\u5168\u306a\u5909\u63db\u65b9\u6cd5<\/h3>\n\n\n\n<p>c_str()\u30e1\u30bd\u30c3\u30c9\u306f\u3001std::string\u578b\u304b\u3089null\u7d42\u7aef\u306echar\u914d\u5217\u3078\u306e\u6700\u3082\u4e00\u822c\u7684\u3067\u5b89\u5168\u306a\u5909\u63db\u65b9\u6cd5\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">#include &lt;string&gt;\n#include &lt;iostream&gt;\n\nvoid demonstrateCStr() {\n    std::string str = \"Hello, World!\";\n    const char* char_array = str.c_str();\n\n    \/\/ \u8aad\u307f\u53d6\u308a\u5c02\u7528\u30a2\u30af\u30bb\u30b9\n    std::cout &lt;&lt; \"\u5909\u63db\u5f8c\u306e\u6587\u5b57\u5217: \" &lt;&lt; char_array &lt;&lt; std::endl;\n\n    \/\/ \u6ce8\u610f: char_array\u306f\u4e00\u6642\u7684\u306a\u53c2\u7167\u306e\u307f\u6709\u52b9\n    \/\/ str\u304c\u7834\u68c4\u3055\u308c\u308b\u3068\u7121\u52b9\u306b\u306a\u308a\u307e\u3059\n}<\/pre>\n\n\n\n<p>\u91cd\u8981\u306a\u6ce8\u610f\u70b9\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u623b\u308a\u5024\u306f<code>const char*<\/code>\u578b\uff08\u8aad\u307f\u53d6\u308a\u5c02\u7528\uff09<\/li>\n\n\n\n<li>\u6587\u5b57\u5217\u304c\u5909\u66f4\u3055\u308c\u308b\u3068\u7121\u52b9\u306b\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b<\/li>\n\n\n\n<li>\u30dd\u30a4\u30f3\u30bf\u306e\u5bff\u547d\u306fstring\u578b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u4f9d\u5b58<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-5\">data()\u30e1\u30bd\u30c3\u30c9\u306b\u3088\u308b\u6700\u65b0\u306e\u5909\u63db\u30a2\u30d7\u30ed\u30fc\u30c1<\/h3>\n\n\n\n<p>C++17\u4ee5\u964d\u3067\u306f\u3001data()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u76f4\u63a5\u66f8\u304d\u8fbc\u307f\u53ef\u80fd\u306achar*\u30dd\u30a4\u30f3\u30bf\u3092\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">#include &lt;string&gt;\n#include &lt;cstring&gt;\n\nvoid demonstrateData() {\n    std::string str = \"Hello\";\n    char* writable = str.data();  \/\/ C++17\u4ee5\u964d\u3067\u66f8\u304d\u8fbc\u307f\u53ef\u80fd\n\n    \/\/ \u76f4\u63a5\u4fee\u6b63\u304c\u53ef\u80fd\uff08\u6ce8\u610f\u3057\u3066\u4f7f\u7528\uff09\n    writable[0] = 'h';\n\n    \/\/ str\u306e\u5185\u5bb9\u3082\u5909\u66f4\u3055\u308c\u308b\n    std::cout &lt;&lt; \"\u4fee\u6b63\u5f8c\u306e\u6587\u5b57\u5217: \" &lt;&lt; str &lt;&lt; std::endl;\n}<\/pre>\n\n\n\n<p>data()\u30e1\u30bd\u30c3\u30c9\u306e\u7279\u5fb4\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u66f8\u304d\u8fbc\u307f\u53ef\u80fd\u306a\u30dd\u30a4\u30f3\u30bf\u3092\u53d6\u5f97\u53ef\u80fd<\/li>\n\n\n\n<li>string\u672c\u4f53\u306e\u5185\u5bb9\u3082\u5909\u66f4\u3055\u308c\u308b<\/li>\n\n\n\n<li>\u3088\u308a\u67d4\u8edf\u306a\u64cd\u4f5c\u304c\u53ef\u80fd<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-6\">\u6587\u5b57\u5217\u306e\u4e00\u90e8\u3092\u53d6\u308a\u51fa\u3057\u3066char\u578b\u306b\u5909\u63db\u3059\u308b<\/h3>\n\n\n\n<p>\u90e8\u5206\u7684\u306a\u6587\u5b57\u5217\u64cd\u4f5c\u304c\u5fc5\u8981\u306a\u5834\u5408\u306e\u624b\u6cd5\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">#include &lt;string&gt;\n#include &lt;vector&gt;\n\nclass StringCharConverter {\npublic:\n    static std::vector&lt;char&gt; extractChars(const std::string&amp; str, \n                                        size_t start, \n                                        size_t length) {\n        \/\/ \u7bc4\u56f2\u30c1\u30a7\u30c3\u30af\n        if (start &gt;= str.length()) {\n            return std::vector&lt;char&gt;();\n        }\n\n        \/\/ \u5b9f\u969b\u306b\u53d6\u5f97\u53ef\u80fd\u306a\u9577\u3055\u3092\u8a08\u7b97\n        length = std::min(length, str.length() - start);\n\n        \/\/ \u6587\u5b57\u3092\u62bd\u51fa\u3057\u3066vector\u306b\u683c\u7d0d\n        std::vector&lt;char&gt; chars(length);\n        for (size_t i = 0; i &lt; length; ++i) {\n            chars[i] = str[start + i];\n        }\n\n        return chars;\n    }\n};\n\n\/\/ \u4f7f\u7528\u4f8b\nvoid demonstrateExtraction() {\n    std::string str = \"Hello, World!\";\n    auto chars = StringCharConverter::extractChars(str, 0, 5);\n\n    \/\/ \u62bd\u51fa\u3057\u305f\u6587\u5b57\u3092\u51e6\u7406\n    for (char c : chars) {\n        std::cout &lt;&lt; c;  \/\/ \"Hello\"\u304c\u51fa\u529b\u3055\u308c\u308b\n    }\n}<\/pre>\n\n\n\n<p>\u90e8\u5206\u6587\u5b57\u5217\u5909\u63db\u306e\u5229\u70b9\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5fc5\u8981\u306a\u90e8\u5206\u306e\u307f\u3092\u5909\u63db\u53ef\u80fd<\/li>\n\n\n\n<li>\u30e1\u30e2\u30ea\u4f7f\u7528\u3092\u6700\u9069\u5316<\/li>\n\n\n\n<li>\u67d4\u8edf\u306a\u6587\u5b57\u5217\u64cd\u4f5c\u304c\u53ef\u80fd<\/li>\n<\/ul>\n\n\n\n<p>\u5909\u63db\u6642\u306e\u5171\u901a\u306e\u6ce8\u610f\u70b9\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30e1\u30e2\u30ea\u7ba1\u7406<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5909\u63db\u5f8c\u306e\u30dd\u30a4\u30f3\u30bf\u306e\u6709\u52b9\u671f\u9593\u3092\u610f\u8b58<\/li>\n\n\n\n<li>\u4e0d\u8981\u306b\u306a\u3063\u305f\u30e1\u30e2\u30ea\u306e\u9069\u5207\u306a\u89e3\u653e<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30d0\u30c3\u30d5\u30a1\u30b5\u30a4\u30ba<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5341\u5206\u306a\u30d0\u30c3\u30d5\u30a1\u30b5\u30a4\u30ba\u306e\u78ba\u4fdd<\/li>\n\n\n\n<li>\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u306e\u9632\u6b62<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u8003\u616e<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e0d\u5fc5\u8981\u306a\u30b3\u30d4\u30fc\u3092\u907f\u3051\u308b<\/li>\n\n\n\n<li>\u5927\u304d\u306a\u6587\u5b57\u5217\u306e\u5834\u5408\u306f\u53c2\u7167\u3092\u4f7f\u7528<\/li>\n<\/ul>\n\n\n\n<p>\u5b9f\u88c5\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">#include &lt;string&gt;\n#include &lt;vector&gt;\n#include &lt;stdexcept&gt;\n\nclass SafeStringConverter {\npublic:\n    \/\/ \u5b89\u5168\u306achar\u914d\u5217\u306e\u53d6\u5f97\n    static std::vector&lt;char&gt; toCharArray(const std::string&amp; str) {\n        std::vector&lt;char&gt; result(str.length() + 1);  \/\/ null\u7d42\u7aef\u7528\u306b+1\n        std::copy(str.begin(), str.end(), result.begin());\n        result[str.length()] = '\\0';  \/\/ null\u7d42\u7aef\u3092\u8ffd\u52a0\n        return result;\n    }\n\n    \/\/ \u5358\u4e00\u6587\u5b57\u306e\u53d6\u5f97\n    static char getChar(const std::string&amp; str, size_t index) {\n        if (index &gt;= str.length()) {\n            throw std::out_of_range(\"Index out of range\");\n        }\n        return str[index];\n    }\n};<\/pre>\n\n\n\n<p>\u3053\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u7d39\u4ecb\u3057\u305f\u624b\u6cd5\u3092\u9069\u5207\u306b\u4f7f\u3044\u5206\u3051\u308b\u3053\u3068\u3067\u3001\u5b89\u5168\u304b\u3064\u52b9\u7387\u7684\u306a\u6587\u5b57\u5217\u5909\u63db\u304c\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u9006\u65b9\u5411\u306e\u5909\u63db\uff08char\u578b\u304b\u3089string\u578b\uff09\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-7\">char\u578b\u304b\u3089string\u578b\u3078\u306e\u5909\u63db\u30c6\u30af\u30cb\u30c3\u30af<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-8\">constructor\u3092\u4f7f\u7528\u3057\u305f\u76f4\u63a5\u7684\u306a\u5909\u63db\u65b9\u6cd5<\/h3>\n\n\n\n<p>std::string\u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001char\u578b\u3084char\u914d\u5217\u304b\u3089\u76f4\u63a5string\u578b\u3078\u5909\u63db\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">#include &lt;string&gt;\n#include &lt;iostream&gt;\n\nclass CharToStringConverter {\npublic:\n    \/\/ \u5358\u4e00\u306echar\u578b\u304b\u3089string\u578b\u3078\u306e\u5909\u63db\n    static std::string fromChar(char c) {\n        return std::string(1, c);  \/\/ \u9577\u30551\u306e\u6587\u5b57\u5217\u3092\u4f5c\u6210\n    }\n\n    \/\/ char\u914d\u5217\u304b\u3089string\u578b\u3078\u306e\u5909\u63db\n    static std::string fromCharArray(const char* chars) {\n        return std::string(chars);  \/\/ null\u7d42\u7aef\u6587\u5b57\u5217\u304b\u3089\u5909\u63db\n    }\n\n    \/\/ \u6307\u5b9a\u9577\u306echar\u914d\u5217\u304b\u3089\u5909\u63db\n    static std::string fromCharArrayWithLength(const char* chars, size_t length) {\n        return std::string(chars, length);  \/\/ \u6307\u5b9a\u9577\u3067\u5909\u63db\n    }\n};\n\n\/\/ \u4f7f\u7528\u4f8b\nvoid demonstrateConstructor() {\n    char c = 'A';\n    const char* chars = \"Hello\";\n    char array[] = {'W', 'o', 'r', 'l', 'd'};\n\n    \/\/ \u5404\u7a2e\u5909\u63db\u65b9\u6cd5\u306e\u5b9f\u6f14\n    std::string str1 = CharToStringConverter::fromChar(c);\n    std::string str2 = CharToStringConverter::fromCharArray(chars);\n    std::string str3 = CharToStringConverter::fromCharArrayWithLength(array, 5);\n\n    std::cout &lt;&lt; \"\u5358\u4e00\u6587\u5b57\u304b\u3089: \" &lt;&lt; str1 &lt;&lt; std::endl;\n    std::cout &lt;&lt; \"\u6587\u5b57\u5217\u304b\u3089: \" &lt;&lt; str2 &lt;&lt; std::endl;\n    std::cout &lt;&lt; \"\u914d\u5217\u304b\u3089: \" &lt;&lt; str3 &lt;&lt; std::endl;\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-9\">assign()\u30e1\u30bd\u30c3\u30c9\u3092\u6d3b\u7528\u3057\u305f\u67d4\u8edf\u306a\u5909\u63db<\/h3>\n\n\n\n<p>assign()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u65e2\u5b58\u306estring\u578b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u5bfe\u3057\u3066\u67d4\u8edf\u306a\u5909\u63db\u64cd\u4f5c\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">#include &lt;string&gt;\n#include &lt;cassert&gt;\n\nclass FlexibleStringAssigner {\npublic:\n    static void assignFromChar(std::string&amp; target, char c, size_t count = 1) {\n        target.assign(count, c);  \/\/ \u6307\u5b9a\u6587\u5b57\u3092\u6307\u5b9a\u56de\u6570\u7e70\u308a\u8fd4\u3059\n    }\n\n    static void assignFromCharArray(std::string&amp; target, \n                                  const char* chars,\n                                  size_t length = std::string::npos) {\n        if (length == std::string::npos) {\n            target.assign(chars);  \/\/ null\u7d42\u7aef\u307e\u3067\n        } else {\n            target.assign(chars, length);  \/\/ \u6307\u5b9a\u9577\u307e\u3067\n        }\n    }\n\n    static void assignSubstring(std::string&amp; target,\n                              const char* chars,\n                              size_t start,\n                              size_t length) {\n        std::string temp(chars);\n        target.assign(temp.substr(start, length));\n    }\n};\n\n\/\/ \u4f7f\u7528\u4f8b\u3068\u30c6\u30b9\u30c8\nvoid demonstrateAssign() {\n    std::string result;\n\n    \/\/ \u5358\u4e00\u6587\u5b57\u306e\u7e70\u308a\u8fd4\u3057\n    FlexibleStringAssigner::assignFromChar(result, '*', 5);\n    assert(result == \"*****\");\n\n    \/\/ \u6587\u5b57\u914d\u5217\u304b\u3089\u306e\u5909\u63db\n    const char* text = \"Hello, World!\";\n    FlexibleStringAssigner::assignFromCharArray(result, text);\n    assert(result == \"Hello, World!\");\n\n    \/\/ \u90e8\u5206\u6587\u5b57\u5217\u306e\u62bd\u51fa\u3068\u5909\u63db\n    FlexibleStringAssigner::assignSubstring(result, text, 0, 5);\n    assert(result == \"Hello\");\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-10\">\u8907\u6570\u6587\u5b57\u306e\u9023\u7d50\u3068string\u578b\u3078\u306e\u5909\u63db<\/h3>\n\n\n\n<p>\u8907\u6570\u306echar\u578b\u30c7\u30fc\u30bf\u3092\u52b9\u7387\u7684\u306b\u9023\u7d50\u3057\u3066string\u578b\u306b\u5909\u63db\u3059\u308b\u624b\u6cd5\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">#include &lt;string&gt;\n#include &lt;vector&gt;\n#include &lt;sstream&gt;\n\nclass StringConcatenator {\npublic:\n    \/\/ string\u30b9\u30c8\u30ea\u30fc\u30e0\u3092\u4f7f\u7528\u3057\u305f\u9023\u7d50\n    static std::string concatenateChars(const std::vector&lt;char&gt;&amp; chars) {\n        std::stringstream ss;\n        for (char c : chars) {\n            ss &lt;&lt; c;\n        }\n        return ss.str();\n    }\n\n    \/\/ string\u578b\u306e\u64cd\u4f5c\u3092\u4f7f\u7528\u3057\u305f\u9023\u7d50\n    static std::string concatenateEfficiently(const std::vector&lt;char&gt;&amp; chars) {\n        std::string result;\n        result.reserve(chars.size());  \/\/ \u30e1\u30e2\u30ea\u3092\u4e8b\u524d\u78ba\u4fdd\n        for (char c : chars) {\n            result += c;\n        }\n        return result;\n    }\n\n    \/\/ \u9ad8\u5ea6\u306a\u9023\u7d50\u64cd\u4f5c\n    static std::string concatenateWithSeparator(const std::vector&lt;char&gt;&amp; chars,\n                                              char separator) {\n        if (chars.empty()) return \"\";\n\n        std::string result;\n        result.reserve(chars.size() * 2);  \/\/ \u30bb\u30d1\u30ec\u30fc\u30bf\u5206\u3082\u8003\u616e\n\n        for (size_t i = 0; i &lt; chars.size(); ++i) {\n            if (i &gt; 0) result += separator;\n            result += chars[i];\n        }\n\n        return result;\n    }\n};\n\n\/\/ \u4f7f\u7528\u4f8b\nvoid demonstrateConcatenation() {\n    std::vector&lt;char&gt; chars = {'H', 'e', 'l', 'l', 'o'};\n\n    \/\/ \u57fa\u672c\u7684\u306a\u9023\u7d50\n    std::string str1 = StringConcatenator::concatenateChars(chars);\n\n    \/\/ \u52b9\u7387\u7684\u306a\u9023\u7d50\n    std::string str2 = StringConcatenator::concatenateEfficiently(chars);\n\n    \/\/ \u30bb\u30d1\u30ec\u30fc\u30bf\u4ed8\u304d\u306e\u9023\u7d50\n    std::string str3 = StringConcatenator::concatenateWithSeparator(chars, '-');\n\n    std::cout &lt;&lt; \"\u57fa\u672c\u9023\u7d50: \" &lt;&lt; str1 &lt;&lt; std::endl;\n    std::cout &lt;&lt; \"\u52b9\u7387\u7684\u9023\u7d50: \" &lt;&lt; str2 &lt;&lt; std::endl;\n    std::cout &lt;&lt; \"\u30bb\u30d1\u30ec\u30fc\u30bf\u4ed8\u304d: \" &lt;&lt; str3 &lt;&lt; std::endl;\n}<\/pre>\n\n\n\n<p>\u5909\u63db\u624b\u6cd5\u306e\u9078\u629e\u57fa\u6e96\uff1a<\/p>\n\n\n<div id=\"id-92cc989c-57f0-443f-b913-4f2166016d01\">\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u624b\u6cd5<\/th><th>\u4f7f\u7528\u30b7\u30fc\u30f3<\/th><th>\u30e1\u30ea\u30c3\u30c8<\/th><th>\u30c7\u30e1\u30ea\u30c3\u30c8<\/th><\/tr><\/thead><tbody><tr><td>\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf<\/td><td>\u5358\u7d14\u306a\u5909\u63db<\/td><td>\u7c21\u6f54\u3067\u76f4\u611f\u7684<\/td><td>\u67d4\u8edf\u6027\u306b\u6b20\u3051\u308b<\/td><\/tr><tr><td>assign()<\/td><td>\u65e2\u5b58\u6587\u5b57\u5217\u306e\u518d\u5229\u7528<\/td><td>\u30e1\u30e2\u30ea\u52b9\u7387\u304c\u826f\u3044<\/td><td>\u3084\u3084\u5197\u9577<\/td><\/tr><tr><td>\u9023\u7d50<\/td><td>\u8907\u6570\u6587\u5b57\u306e\u7d50\u5408<\/td><td>\u9ad8\u5ea6\u306a\u5236\u5fa1\u304c\u53ef\u80fd<\/td><td>\u5b9f\u88c5\u304c\u8907\u96d1<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n<p>\u3053\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u7d39\u4ecb\u3057\u305f\u624b\u6cd5\u3092\u9069\u5207\u306b\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u52b9\u7387\u7684\u3067\u5b89\u5168\u306a\u6587\u5b57\u5217\u5909\u63db\u304c\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u3053\u308c\u3089\u306e\u5909\u63db\u3092\u884c\u3046\u969b\u306e\u91cd\u8981\u306a\u6ce8\u610f\u70b9\u3068\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-11\">\u5909\u63db\u6642\u306e\u6ce8\u610f\u70b9\u3068\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-12\">\u30e1\u30e2\u30ea\u7ba1\u7406\u306b\u304a\u3051\u308b\u91cd\u8981\u306a\u8003\u616e\u4e8b\u9805<\/h3>\n\n\n\n<p>\u30e1\u30e2\u30ea\u7ba1\u7406\u306f\u6587\u5b57\u5217\u5909\u63db\u306b\u304a\u3044\u3066\u6700\u3082\u91cd\u8981\u306a\u8981\u7d20\u306e\u4e00\u3064\u3067\u3059\u3002\u9069\u5207\u306a\u7ba1\u7406\u3092\u6020\u308b\u3068\u3001\u6df1\u523b\u306a\u30d0\u30b0\u3084\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8106\u5f31\u6027\u306e\u539f\u56e0\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">#include &lt;string&gt;\n#include &lt;memory&gt;\n#include &lt;stdexcept&gt;\n\nclass SafeStringConverter {\npublic:\n    \/\/ \u30b9\u30de\u30fc\u30c8\u30dd\u30a4\u30f3\u30bf\u3092\u4f7f\u7528\u3057\u305f\u5b89\u5168\u306a\u5909\u63db\n    static std::unique_ptr&lt;char[]&gt; stringToCharArraySafe(const std::string&amp; str) {\n        auto buffer = std::make_unique&lt;char[]&gt;(str.length() + 1);\n        std::copy(str.begin(), str.end(), buffer.get());\n        buffer[str.length()] = '\\0';\n        return buffer;\n    }\n\n    \/\/ \u30d0\u30c3\u30d5\u30a1\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u9632\u6b62\n    static bool copyToBuffer(const std::string&amp; str, char* buffer, size_t bufferSize) {\n        if (str.length() &gt;= bufferSize) {\n            return false;  \/\/ \u30d0\u30c3\u30d5\u30a1\u30b5\u30a4\u30ba\u4e0d\u8db3\n        }\n        std::copy(str.begin(), str.end(), buffer);\n        buffer[str.length()] = '\\0';\n        return true;\n    }\n\n    \/\/ \u30e1\u30e2\u30ea\u30ea\u30fc\u30af\u9632\u6b62\u306e\u305f\u3081\u306eRAII\u30d1\u30bf\u30fc\u30f3\n    class StringHolder {\n        char* data;\n    public:\n        explicit StringHolder(const std::string&amp; str) \n            : data(new char[str.length() + 1]) {\n            std::copy(str.begin(), str.end(), data);\n            data[str.length()] = '\\0';\n        }\n\n        ~StringHolder() {\n            delete[] data;\n        }\n\n        \/\/ \u30b3\u30d4\u30fc\u7981\u6b62\n        StringHolder(const StringHolder&amp;) = delete;\n        StringHolder&amp; operator=(const StringHolder&amp;) = delete;\n\n        \/\/ \u30e0\u30fc\u30d6\u53ef\u80fd\n        StringHolder(StringHolder&amp;&amp; other) noexcept : data(other.data) {\n            other.data = nullptr;\n        }\n\n        const char* get() const { return data; }\n    };\n};<\/pre>\n\n\n\n<p>\u30e1\u30e2\u30ea\u7ba1\u7406\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30b9\u30de\u30fc\u30c8\u30dd\u30a4\u30f3\u30bf\u306e\u6d3b\u7528<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u81ea\u52d5\u30e1\u30e2\u30ea\u89e3\u653e<\/li>\n\n\n\n<li>\u4f8b\u5916\u5b89\u5168\u6027\u306e\u78ba\u4fdd<\/li>\n\n\n\n<li>\u30ea\u30bd\u30fc\u30b9\u30ea\u30fc\u30af\u306e\u9632\u6b62<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30d0\u30c3\u30d5\u30a1\u30b5\u30a4\u30ba\u306e\u9069\u5207\u306a\u7ba1\u7406<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e8b\u524d\u306e\u30b5\u30a4\u30ba\u30c1\u30a7\u30c3\u30af<\/li>\n\n\n\n<li>\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u9632\u6b62<\/li>\n\n\n\n<li>\u9069\u5207\u306a\u30a8\u30e9\u30fc\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-13\">\u6587\u5b57\u30b3\u30fc\u30c9\u306e\u9055\u3044\u306b\u3088\u308b\u554f\u984c\u3068\u5bfe\u51e6\u6cd5<\/h3>\n\n\n\n<p>\u6587\u5b57\u30b3\u30fc\u30c9\u306e\u9055\u3044\u306f\u3001\u7279\u306b\u56fd\u969b\u5316\u5bfe\u5fdc\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u91cd\u8981\u306a\u554f\u984c\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">#include &lt;string&gt;\n#include &lt;codecvt&gt;\n#include &lt;locale&gt;\n\nclass EncodingConverter {\npublic:\n    \/\/ UTF-8\u3068\u30ef\u30a4\u30c9\u6587\u5b57\u5217\u306e\u76f8\u4e92\u5909\u63db\n    static std::wstring toWideString(const std::string&amp; utf8Str) {\n        std::wstring_convert&lt;std::codecvt_utf8&lt;wchar_t&gt;&gt; converter;\n        return converter.from_bytes(utf8Str);\n    }\n\n    static std::string toUtf8String(const std::wstring&amp; wideStr) {\n        std::wstring_convert&lt;std::codecvt_utf8&lt;wchar_t&gt;&gt; converter;\n        return converter.to_bytes(wideStr);\n    }\n\n    \/\/ \u30de\u30eb\u30c1\u30d0\u30a4\u30c8\u6587\u5b57\u306e\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0\n    static bool isValidUtf8(const std::string&amp; str) {\n        try {\n            toWideString(str);\n            return true;\n        } catch (const std::exception&amp;) {\n            return false;\n        }\n    }\n};\n\n\/\/ \u4f7f\u7528\u4f8b\nvoid handleEncodings() {\n    std::string utf8Text = \"\u3053\u3093\u306b\u3061\u306f\u4e16\u754c\";  \/\/ UTF-8\u6587\u5b57\u5217\n\n    \/\/ \u30ef\u30a4\u30c9\u6587\u5b57\u5217\u3078\u306e\u5909\u63db\n    std::wstring wideText = EncodingConverter::toWideString(utf8Text);\n\n    \/\/ UTF-8\u3078\u306e\u518d\u5909\u63db\n    std::string convertedBack = EncodingConverter::toUtf8String(wideText);\n\n    \/\/ \u6587\u5b57\u30b3\u30fc\u30c9\u306e\u59a5\u5f53\u6027\u30c1\u30a7\u30c3\u30af\n    bool isValid = EncodingConverter::isValidUtf8(utf8Text);\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-14\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u8003\u616e\u3057\u305f\u5b9f\u88c5\u65b9\u6cd5<\/h3>\n\n\n\n<p>\u6587\u5b57\u5217\u5909\u63db\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u6700\u9069\u5316\u3059\u308b\u305f\u3081\u306e\u624b\u6cd5\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">#include &lt;string&gt;\n#include &lt;vector&gt;\n#include &lt;chrono&gt;\n\nclass OptimizedConverter {\npublic:\n    \/\/ \u4e8b\u524d\u30e1\u30e2\u30ea\u78ba\u4fdd\u306b\u3088\u308b\u6700\u9069\u5316\n    static std::string efficientConcatenation(const std::vector&lt;char&gt;&amp; chars) {\n        std::string result;\n        result.reserve(chars.size());  \/\/ \u30e1\u30e2\u30ea\u306e\u4e8b\u524d\u78ba\u4fdd\n        for (char c : chars) {\n            result += c;\n        }\n        return result;\n    }\n\n    \/\/ String View\u3092\u4f7f\u7528\u3057\u305f\u6700\u9069\u5316\uff08C++17\u4ee5\u964d\uff09\n    static bool startsWith(std::string_view str, std::string_view prefix) {\n        return str.substr(0, prefix.length()) == prefix;\n    }\n\n    \/\/ \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u8a08\u6e2c\u7528\u30d8\u30eb\u30d1\u30fc\n    template&lt;typename Func&gt;\n    static double measurePerformance(Func&amp;&amp; func) {\n        auto start = std::chrono::high_resolution_clock::now();\n        func();\n        auto end = std::chrono::high_resolution_clock::now();\n        return std::chrono::duration&lt;double, std::milli&gt;(end - start).count();\n    }\n};\n\n\/\/ \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6bd4\u8f03\u306e\u4f8b\nvoid comparePerformance() {\n    std::vector&lt;char&gt; chars(1000, 'a');\n\n    \/\/ \u6700\u9069\u5316\u306a\u3057\u306e\u5834\u5408\n    double time1 = OptimizedConverter::measurePerformance([&amp;]() {\n        std::string result;\n        for (char c : chars) {\n            result += c;\n        }\n    });\n\n    \/\/ \u6700\u9069\u5316\u3042\u308a\u306e\u5834\u5408\n    double time2 = OptimizedConverter::measurePerformance([&amp;]() {\n        OptimizedConverter::efficientConcatenation(chars);\n    });\n\n    std::cout &lt;&lt; \"\u6700\u9069\u5316\u306a\u3057: \" &lt;&lt; time1 &lt;&lt; \"ms\\n\"\n              &lt;&lt; \"\u6700\u9069\u5316\u3042\u308a: \" &lt;&lt; time2 &lt;&lt; \"ms\\n\";\n}<\/pre>\n\n\n\n<p>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u306e\u30dd\u30a4\u30f3\u30c8\uff1a<\/p>\n\n\n<div id=\"id-a5b4244f-d5a3-456e-8eb5-23106c102db4\">\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u6700\u9069\u5316\u624b\u6cd5<\/th><th>\u52b9\u679c<\/th><th>\u9069\u7528\u30b7\u30fc\u30f3<\/th><\/tr><\/thead><tbody><tr><td>\u4e8b\u524d\u30e1\u30e2\u30ea\u78ba\u4fdd<\/td><td>\u30e1\u30e2\u30ea\u518d\u5272\u308a\u5f53\u3066\u306e\u524a\u6e1b<\/td><td>\u6587\u5b57\u5217\u9023\u7d50<\/td><\/tr><tr><td>String View<\/td><td>\u30b3\u30d4\u30fc\u306e\u524a\u6e1b<\/td><td>\u6587\u5b57\u5217\u53c2\u7167<\/td><\/tr><tr><td>\u9069\u5207\u306a\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0<\/td><td>\u51e6\u7406\u6642\u9593\u306e\u77ed\u7e2e<\/td><td>\u5168\u822c<\/td><\/tr><tr><td>\u30d0\u30c3\u30d5\u30a1\u306e\u518d\u5229\u7528<\/td><td>\u30e1\u30e2\u30ea\u5272\u308a\u5f53\u3066\u306e\u524a\u6e1b<\/td><td>\u53cd\u5fa9\u51e6\u7406<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n<p>\u3053\u308c\u3089\u306e\u6ce8\u610f\u70b9\u3068\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3092\u9069\u5207\u306b\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u5b89\u5168\u3067\u52b9\u7387\u7684\u306a\u6587\u5b57\u5217\u5909\u63db\u51e6\u7406\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u3053\u308c\u3089\u306e\u77e5\u8b58\u3092\u5b9f\u969b\u306e\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u306b\u9069\u7528\u3059\u308b\u65b9\u6cd5\u3092\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-15\">\u5b9f\u8df5\u7684\u306a\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u3068\u5fdc\u7528\u4f8b<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-16\">\u30d5\u30a1\u30a4\u30eb\u5165\u51fa\u529b\u3067\u306e\u6d3b\u7528\u65b9\u6cd5<\/h3>\n\n\n\n<p>\u30d5\u30a1\u30a4\u30eb\u64cd\u4f5c\u306f\u6587\u5b57\u5217\u5909\u63db\u304c\u983b\u7e41\u306b\u5fc5\u8981\u3068\u306a\u308b\u5178\u578b\u7684\u306a\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">#include &lt;string&gt;\n#include &lt;fstream&gt;\n#include &lt;vector&gt;\n#include &lt;stdexcept&gt;\n\nclass FileHandler {\npublic:\n    \/\/ \u30c6\u30ad\u30b9\u30c8\u30d5\u30a1\u30a4\u30eb\u306e\u8aad\u307f\u8fbc\u307f\n    static std::string readTextFile(const std::string&amp; filename) {\n        std::ifstream file(filename);\n        if (!file) {\n            throw std::runtime_error(\"Failed to open file: \" + filename);\n        }\n\n        return std::string(\n            std::istreambuf_iterator&lt;char&gt;(file),\n            std::istreambuf_iterator&lt;char&gt;()\n        );\n    }\n\n    \/\/ \u30d0\u30a4\u30ca\u30ea\u30d5\u30a1\u30a4\u30eb\u3078\u306e\u6587\u5b57\u5217\u66f8\u304d\u8fbc\u307f\n    static void writeStringToBinary(const std::string&amp; filename,\n                                  const std::string&amp; content) {\n        std::ofstream file(filename, std::ios::binary);\n        if (!file) {\n            throw std::runtime_error(\"Failed to create file: \" + filename);\n        }\n\n        \/\/ string\u578b\u304b\u3089char\u914d\u5217\u3078\u306e\u5909\u63db\u3068\u66f8\u304d\u8fbc\u307f\n        const char* data = content.c_str();\n        file.write(data, content.length());\n    }\n\n    \/\/ CSV\u30d5\u30a1\u30a4\u30eb\u306e\u51e6\u7406\u4f8b\n    static std::vector&lt;std::vector&lt;std::string&gt;&gt; parseCSV(const std::string&amp; filename,\n                                                         char delimiter = ',') {\n        std::vector&lt;std::vector&lt;std::string&gt;&gt; result;\n        std::ifstream file(filename);\n        std::string line;\n\n        while (std::getline(file, line)) {\n            std::vector&lt;std::string&gt; row;\n            std::string cell;\n            bool inQuotes = false;\n\n            for (char c : line) {\n                if (c == '\"') {\n                    inQuotes = !inQuotes;\n                } else if (c == delimiter &amp;&amp; !inQuotes) {\n                    row.push_back(cell);\n                    cell.clear();\n                } else {\n                    cell += c;\n                }\n            }\n            row.push_back(cell);\n            result.push_back(row);\n        }\n\n        return result;\n    }\n};<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-17\">\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u901a\u4fe1\u3067\u306e\u6587\u5b57\u5217\u51e6\u7406<\/h3>\n\n\n\n<p>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u901a\u4fe1\u3067\u306f\u3001\u69d8\u3005\u306a\u5f62\u5f0f\u306e\u6587\u5b57\u5217\u30c7\u30fc\u30bf\u3092\u9069\u5207\u306b\u51e6\u7406\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">#include &lt;string&gt;\n#include &lt;sstream&gt;\n#include &lt;iomanip&gt;\n\nclass NetworkStringProcessor {\npublic:\n    \/\/ URL\u30a8\u30f3\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\n    static std::string urlEncode(const std::string&amp; input) {\n        std::ostringstream encoded;\n        encoded.fill('0');\n        encoded &lt;&lt; std::hex;\n\n        for (char c : input) {\n            if (isalnum(c) || c == '-' || c == '_' || c == '.' || c == '~') {\n                encoded &lt;&lt; c;\n            } else {\n                encoded &lt;&lt; '%' &lt;&lt; std::setw(2) \n                       &lt;&lt; static_cast&lt;int&gt;(static_cast&lt;unsigned char&gt;(c));\n            }\n        }\n\n        return encoded.str();\n    }\n\n    \/\/ Base64\u30a8\u30f3\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\n    static std::string base64Encode(const std::string&amp; input) {\n        static const std::string base64_chars = \n            \"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+\/\";\n\n        std::string encoded;\n        encoded.reserve(((input.length() + 2) \/ 3) * 4);\n\n        for (size_t i = 0; i &lt; input.length(); i += 3) {\n            unsigned char byte1 = input[i];\n            unsigned char byte2 = (i + 1 &lt; input.length()) ? input[i + 1] : 0;\n            unsigned char byte3 = (i + 2 &lt; input.length()) ? input[i + 2] : 0;\n\n            encoded += base64_chars[(byte1 &gt;&gt; 2) &amp; 0x3F];\n            encoded += base64_chars[((byte1 &lt;&lt; 4) | (byte2 &gt;&gt; 4)) &amp; 0x3F];\n            encoded += (i + 1 &lt; input.length()) ? \n                      base64_chars[((byte2 &lt;&lt; 2) | (byte3 &gt;&gt; 6)) &amp; 0x3F] : '=';\n            encoded += (i + 2 &lt; input.length()) ? \n                      base64_chars[byte3 &amp; 0x3F] : '=';\n        }\n\n        return encoded;\n    }\n};<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-18\">\u30ec\u30ac\u30b7\u30fc\u30b3\u30fc\u30c9\u3068\u306e\u4e92\u63db\u6027\u7dad\u6301<\/h3>\n\n\n\n<p>\u30ec\u30ac\u30b7\u30fc\u30b7\u30b9\u30c6\u30e0\u3068\u306e\u9023\u643a\u3067\u306f\u3001\u53e4\u3044\u5f62\u5f0f\u306e\u6587\u5b57\u5217\u51e6\u7406\u3068\u306e\u4e92\u63db\u6027\u3092\u4fdd\u3064\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">#include &lt;string&gt;\n#include &lt;cstring&gt;\n#include &lt;memory&gt;\n\nclass LegacyCompatibility {\npublic:\n    \/\/ \u30ec\u30ac\u30b7\u30fcC\u95a2\u6570\u7528\u306e\u30e9\u30c3\u30d1\u30fc\n    static void processLegacyString(const std::string&amp; modern_str) {\n        \/\/ C\u5f62\u5f0f\u306e\u6587\u5b57\u5217\u306b\u5909\u63db\n        const char* c_str = modern_str.c_str();\n\n        \/\/ \u30ec\u30ac\u30b7\u30fc\u95a2\u6570\u306e\u547c\u3073\u51fa\u3057\uff08\u4f8b\uff09\n        legacy_string_processor(c_str);\n    }\n\n    \/\/ \u30ec\u30ac\u30b7\u30fc\u5f62\u5f0f\u306e\u6587\u5b57\u5217\u914d\u5217\u51e6\u7406\n    static std::vector&lt;std::string&gt; convertLegacyStringArray(\n        char** legacy_array,\n        size_t size) {\n        std::vector&lt;std::string&gt; result;\n        result.reserve(size);\n\n        for (size_t i = 0; i &lt; size; ++i) {\n            if (legacy_array[i]) {\n                result.emplace_back(legacy_array[i]);\n            }\n        }\n\n        return result;\n    }\n\n    \/\/ \u30ec\u30ac\u30b7\u30fc\u30d0\u30c3\u30d5\u30a1\u306e\u5b89\u5168\u306a\u51e6\u7406\n    static std::string processLegacyBuffer(const char* buffer, size_t size) {\n        if (!buffer || size == 0) {\n            return \"\";\n        }\n\n        \/\/ null\u7d42\u7aef\u3092\u8003\u616e\u3057\u305f\u5b89\u5168\u306a\u5909\u63db\n        const char* end = static_cast&lt;const char*&gt;(\n            memchr(buffer, '\\0', size)\n        );\n\n        return std::string(\n            buffer,\n            end ? static_cast&lt;size_t&gt;(end - buffer) : size\n        );\n    }\n\nprivate:\n    \/\/ \u30ec\u30ac\u30b7\u30fc\u95a2\u6570\u306e\u30e2\u30c3\u30af\n    static void legacy_string_processor(const char* str) {\n        \/\/ \u30ec\u30ac\u30b7\u30fc\u30b7\u30b9\u30c6\u30e0\u306e\u51e6\u7406\u3092\u30b7\u30df\u30e5\u30ec\u30fc\u30c8\n        std::cout &lt;&lt; \"Processing legacy string: \" &lt;&lt; str &lt;&lt; std::endl;\n    }\n};\n\n\/\/ \u5b9f\u8df5\u7684\u306a\u4f7f\u7528\u4f8b\nvoid demonstratePracticalUsage() {\n    \/\/ \u30d5\u30a1\u30a4\u30eb\u51e6\u7406\n    try {\n        std::string content = FileHandler::readTextFile(\"input.txt\");\n        FileHandler::writeStringToBinary(\"output.bin\", content);\n\n        auto csvData = FileHandler::parseCSV(\"data.csv\");\n    } catch (const std::exception&amp; e) {\n        std::cerr &lt;&lt; \"File handling error: \" &lt;&lt; e.what() &lt;&lt; std::endl;\n    }\n\n    \/\/ \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u51e6\u7406\n    std::string url_data = \"Hello, World! \u3053\u3093\u306b\u3061\u306f\";\n    std::string encoded_url = NetworkStringProcessor::urlEncode(url_data);\n    std::string base64_data = NetworkStringProcessor::base64Encode(url_data);\n\n    \/\/ \u30ec\u30ac\u30b7\u30fc\u30b7\u30b9\u30c6\u30e0\u9023\u643a\n    std::string modern_string = \"Modern C++ String\";\n    LegacyCompatibility::processLegacyString(modern_string);\n}<\/pre>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u5b9f\u8df5\u7684\u306a\u4f8b\u306f\u3001\u5b9f\u969b\u306e\u958b\u767a\u73fe\u5834\u3067\u76f4\u9762\u3059\u308b\u5178\u578b\u7684\u306a\u8ab2\u984c\u306b\u5bfe\u3059\u308b\u89e3\u6c7a\u7b56\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u7279\u306b\u6ce8\u610f\u3059\u3079\u304d\u70b9\u306f\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30a8\u30e9\u30fc\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u9069\u5207\u306a\u4f8b\u5916\u51e6\u7406<\/li>\n\n\n\n<li>\u30a8\u30e9\u30fc\u72b6\u614b\u306e\u78ba\u8a8d<\/li>\n\n\n\n<li>\u5b89\u5168\u306a\u56de\u5fa9\u51e6\u7406<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30d0\u30c3\u30d5\u30a1\u306e\u52b9\u7387\u7684\u306a\u4f7f\u7528<\/li>\n\n\n\n<li>\u4e0d\u8981\u306a\u30b3\u30d4\u30fc\u306e\u56de\u907f<\/li>\n\n\n\n<li>\u30e1\u30e2\u30ea\u4f7f\u7528\u306e\u6700\u9069\u5316<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u4e92\u63db\u6027\u3078\u306e\u914d\u616e<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7570\u306a\u308b\u30b7\u30b9\u30c6\u30e0\u3068\u306e\u9023\u643a<\/li>\n\n\n\n<li>\u6587\u5b57\u30b3\u30fc\u30c9\u306e\u9069\u5207\u306a\u51e6\u7406<\/li>\n\n\n\n<li>\u30a8\u30e9\u30fc\u8010\u6027\u306e\u78ba\u4fdd<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u3092\u53c2\u8003\u306b\u3001\u5b9f\u969b\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u306e\u6587\u5b57\u5217\u5909\u63db\u51e6\u7406\u3092\u52b9\u679c\u7684\u306b\u5b9f\u88c5\u3067\u304d\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Warning: Undefined array key &#8220;is_admin&#8221; in \/home\/xs392991\/dexall.co.jp\/public_html\/articles\/wp-content\/themes\/ &#8230; <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":{"0":"post-2114","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\/2114","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=2114"}],"version-history":[{"count":1,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/posts\/2114\/revisions"}],"predecessor-version":[{"id":2115,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/posts\/2114\/revisions\/2115"}],"wp:attachment":[{"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2114"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2114"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2114"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}