{"id":1536,"date":"2025-03-24T08:50:28","date_gmt":"2025-03-23T23:50:28","guid":{"rendered":"https:\/\/dexall.co.jp\/articles\/?p=1536"},"modified":"2025-03-24T08:50:28","modified_gmt":"2025-03-23T23:50:28","slug":"%e3%80%90%e4%bf%9d%e5%ad%98%e7%89%88%e3%80%91ruby-while%e3%83%ab%e3%83%bc%e3%83%97%e5%ae%8c%e5%85%a8%e3%83%9e%e3%82%b9%e3%82%bf%e3%83%bc%ef%bc%81%e7%8f%be%e5%a0%b4%e3%81%a7%e4%bd%bf%e3%81%88%e3%82%8b7","status":"publish","type":"post","link":"https:\/\/dexall.co.jp\/articles\/?p=1536","title":{"rendered":"\u3010\u4fdd\u5b58\u7248\u3011Ruby while\u30eb\u30fc\u30d7\u5b8c\u5168\u30de\u30b9\u30bf\u30fc\uff01\u73fe\u5834\u3067\u4f7f\u3048\u308b7\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\">while\u30eb\u30fc\u30d7\u306e\u57fa\u790e\u7684\u306a\u77e5\u8b58<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-1\">while\u30eb\u30fc\u30d7\u3068\u306f\u4f55\u304b\uff1f\u57fa\u672c\u7684\u306a\u52d5\u4f5c\u306e\u4ed5\u7d44\u307f<\/a>      <\/li>      <li>        <a href=\"#i-2\">while\u6587\u3068until\u6587\u306e\u9055\u3044\u3068\u4f7f\u3044\u65b9<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-3\">\u7121\u9650\u30eb\u30fc\u30d7\u3092\u9632\u3050\u305f\u3081\u306e\u91cd\u8981\u306a\u30dd\u30a4\u30f3\u30c8<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-4\">\u5b9f\u8df5\u7684\u306awhile\u30eb\u30fc\u30d7\u306e\u4f7f\u7528\u30d1\u30bf\u30fc\u30f3<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-5\">\u30d5\u30a1\u30a4\u30eb\u8aad\u307f\u8fbc\u307f\u51e6\u7406\u3067\u306ewhile\u6d3b\u7528\u6cd5<\/a>      <\/li>      <li>        <a href=\"#i-6\">\u30e6\u30fc\u30b6\u30fc\u5165\u529b\u3092\u53d7\u3051\u5165\u308c\u308b\u969b\u306e\u653b\u7565\u30c6\u30af\u30cb\u30c3\u30af<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-7\">API\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u518d\u8a66\u884c\u51e6\u7406\u306e\u5b9f\u88c5\u65b9\u6cd5<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-8\">while\u30eb\u30fc\u30d7\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-9\">\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u3092\u91cd\u8996\u3059\u308b\u305f\u3081\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/a>      <\/li>      <li>        <a href=\"#i-10\">\u51e6\u7406\u901f\u5ea6\u3092\u5411\u4e0a\u3055\u305b\u308b\u305f\u3081\u306e\u30c6\u30af\u30cb\u30c3\u30af<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-11\">break\u6587\u3068next\u6587\u306e\u52b9\u679c\u7684\u306a\u4f7f\u7528\u65b9\u6cd5<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-12\">\u4e00\u6b69\u524d\u9032\u3060\u306a\u304c\u3089\u6d3b\u7528\u30c6\u30af\u30cb\u30c3\u30af<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-13\">begin\u2026end while\u69cb\u6587\u306b\u3088\u308a\u67d4\u8edf\u306a\u5236\u5fa1\u3092\u5b9f\u73fe<\/a>      <\/li>      <li>        <a href=\"#i-14\">\u6761\u4ef6\u5206\u5c90\u3068\u7d44\u307f\u5408\u308f\u305b\u305f\u9ad8\u5ea6\u306a\u30eb\u30fc\u30d7\u51e6\u7406<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-15\">\u30a4\u30c6\u30ec\u30fc\u30bf\u3068\u306e\u6bd4\u8f03\u3067\u898b\u308b\u53ef\u8aad\u6027\u306e\u9ad8\u3044\u30b3\u30fc\u30c9<\/a>      <\/li>    <\/ul>  <\/li>  <li class=\"last\">    <a href=\"#i-16\">\u73fe\u5834\u3067\u4f7f\u3048\u308b\u30c7\u30d0\u30c3\u30b0\u30c6\u30af\u30cb\u30c3\u30af<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-17\">\u7121\u9650\u30eb\u30fc\u30d7\u306b\u9665\u3063\u305f\u969b\u306e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0<\/a>      <\/li>      <li>        <a href=\"#i-18\">pry\u3092\u4f7f\u7528\u3057\u305f\u30eb\u30fc\u30d7\u51e6\u7406\u306e\u30c7\u30d0\u30c3\u30b0\u65b9\u6cd5<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-19\">\u30c6\u30b9\u30c8\u30b3\u30fc\u30c9\u3067\u30eb\u30fc\u30d7\u51e6\u7406\u3092\u52b9\u679c\u7684\u306b\u30ab\u30d0\u30fc\u3059\u308b\u65b9\u6cd5<\/a>      <\/li>    <\/ul>  <\/li><\/ul>\n      <a href=\"#\" class=\"sgb-toc-button js-toc-button\" rel=\"nofollow\" data-open-dialog=\"true\"><i class=\"fa fa-list\"><\/i><span class=\"sgb-toc-button__text\">\u76ee\u6b21\u3078<\/span><\/a>\n    <\/div><\/div><h2 class=\"wp-block-heading\" id=\"i-0\">while\u30eb\u30fc\u30d7\u306e\u57fa\u790e\u7684\u306a\u77e5\u8b58<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-1\">while\u30eb\u30fc\u30d7\u3068\u306f\u4f55\u304b\uff1f\u57fa\u672c\u7684\u306a\u52d5\u4f5c\u306e\u4ed5\u7d44\u307f<\/h3>\n\n\n\n<p>while\u30eb\u30fc\u30d7\u306f\u3001\u6307\u5b9a\u3057\u305f\u6761\u4ef6\u304c\u771f\u3067\u3042\u308b\u9593\u3001\u7e70\u308a\u8fd4\u3057\u51e6\u7406\u3092\u5b9f\u884c\u3059\u308b\u5236\u5fa1\u69cb\u6587\u3067\u3059\u3002Ruby\u3067\u306f\u975e\u5e38\u306b\u67d4\u8edf\u3067\u76f4\u611f\u7684\u306a\u5b9f\u88c5\u304c\u53ef\u80fd\u3067\u3042\u308a\u3001\u30c7\u30fc\u30bf\u51e6\u7406\u3084\u30e6\u30fc\u30b6\u30fc\u5165\u529b\u306e\u5f85\u6a5f\u306a\u3069\u3001\u69d8\u3005\u306a\u5834\u9762\u3067\u6d3b\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u57fa\u672c\u7684\u306a\u69cb\u6587\u306f\u4ee5\u4e0b\u306e\u901a\u308a\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=\"\">while \u6761\u4ef6\u5f0f do\n  # \u5b9f\u884c\u3057\u305f\u3044\u51e6\u7406\nend<\/pre>\n\n\n\n<p>\u5177\u4f53\u7684\u306a\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=\"\">counter = 0\nwhile counter &lt; 5 do\n  puts \"\u30ab\u30a6\u30f3\u30c8: #{counter}\"\n  counter += 1\nend\n\n# \u5b9f\u884c\u7d50\u679c:\n# \u30ab\u30a6\u30f3\u30c8: 0\n# \u30ab\u30a6\u30f3\u30c8: 1\n# \u30ab\u30a6\u30f3\u30c8: 2\n# \u30ab\u30a6\u30f3\u30c8: 3\n# \u30ab\u30a6\u30f3\u30c8: 4<\/pre>\n\n\n\n<p>while\u30eb\u30fc\u30d7\u306e\u5b9f\u884c\u30d5\u30ed\u30fc\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u6761\u4ef6\u5f0f\u3092\u8a55\u4fa1<\/li>\n\n\n\n<li>\u6761\u4ef6\u304c\u771f\u306e\u5834\u5408\u3001\u30eb\u30fc\u30d7\u5185\u306e\u51e6\u7406\u3092\u5b9f\u884c<\/li>\n\n\n\n<li>\u30eb\u30fc\u30d7\u7d42\u4e86\u5f8c\u3001\u518d\u5ea6\u6761\u4ef6\u5f0f\u3092\u8a55\u4fa1<\/li>\n\n\n\n<li>\u6761\u4ef6\u304c\u507d\u306b\u306a\u308b\u307e\u30672-3\u3092\u7e70\u308a\u8fd4\u3059<\/li>\n<\/ol>\n\n\n\n<p>\u306a\u304a\u3001do\u30ad\u30fc\u30ef\u30fc\u30c9\u306f\u7701\u7565\u53ef\u80fd\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=\"\">counter = 0\nwhile counter &lt; 5  # do\u3092\u7701\u7565\n  puts \"\u30ab\u30a6\u30f3\u30c8: #{counter}\"\n  counter += 1\nend<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-2\">while\u6587\u3068until\u6587\u306e\u9055\u3044\u3068\u4f7f\u3044\u65b9<\/h3>\n\n\n\n<p>Ruby\u3067\u306fwhile\u306e\u307b\u304b\u306buntil\u30eb\u30fc\u30d7\u3082\u63d0\u4f9b\u3055\u308c\u3066\u3044\u307e\u3059\u3002until\u306f\u6761\u4ef6\u304c\u507d\u3067\u3042\u308b\u9593\u3001\u51e6\u7406\u3092\u7e70\u308a\u8fd4\u3057\u307e\u3059\u3002\u3064\u307e\u308a\u3001while\u306e\u8ad6\u7406\u3092\u53cd\u8ee2\u3055\u305b\u305f\u3082\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u4e21\u8005\u306e\u6bd4\u8f03\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=\"\"># while\u306e\u5834\u5408\uff085\u672a\u6e80\u306e\u9593\u7e70\u308a\u8fd4\u3059\uff09\ncount = 0\nwhile count &lt; 5\n  puts count\n  count += 1\nend\n\n# until\u306e\u5834\u5408\uff085\u4ee5\u4e0a\u306b\u306a\u308b\u307e\u3067\u7e70\u308a\u8fd4\u3059\uff09\ncount = 0\nuntil count &gt;= 5\n  puts count\n  count += 1\nend<\/pre>\n\n\n\n<p>\u4f7f\u3044\u5206\u3051\u306e\u30dd\u30a4\u30f3\u30c8\uff1a<\/p>\n\n\n<div id=\"id-9fd19fdb-21d0-474d-8f51-e27e18c7f30e\">\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u69cb\u6587<\/th><th>\u4f7f\u7528\u3059\u308b\u5834\u9762<\/th><th>\u30e1\u30ea\u30c3\u30c8<\/th><\/tr><\/thead><tbody><tr><td>while<\/td><td>\u6761\u4ef6\u304c\u771f\u306e\u9593\u51e6\u7406\u3092\u7d9a\u3051\u305f\u3044\u5834\u5408<\/td><td>\u76f4\u611f\u7684\u3067\u7406\u89e3\u3057\u3084\u3059\u3044<\/td><\/tr><tr><td>until<\/td><td>\u7279\u5b9a\u306e\u6761\u4ef6\u3092\u6e80\u305f\u3059\u307e\u3067\u51e6\u7406\u3092\u7d9a\u3051\u305f\u3044\u5834\u5408<\/td><td>\u7d42\u4e86\u6761\u4ef6\u304c\u660e\u78ba\u306a\u5834\u5408\u306b\u53ef\u8aad\u6027\u304c\u9ad8\u3044<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n<h3 class=\"wp-block-heading\" id=\"i-3\">\u7121\u9650\u30eb\u30fc\u30d7\u3092\u9632\u3050\u305f\u3081\u306e\u91cd\u8981\u306a\u30dd\u30a4\u30f3\u30c8<\/h3>\n\n\n\n<p>\u7121\u9650\u30eb\u30fc\u30d7\u306f\u3001\u6761\u4ef6\u304c\u6c38\u4e45\u306b\u771f\u3068\u306a\u3063\u3066\u3057\u307e\u3046\u3053\u3068\u3067\u767a\u751f\u3057\u307e\u3059\u3002\u3053\u308c\u3092\u9632\u3050\u305f\u3081\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u70b9\u306b\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30eb\u30fc\u30d7\u5909\u6570\u306e\u9069\u5207\u306a\u66f4\u65b0<\/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=\"\"># \u826f\u3044\u4f8b\uff1a\u30eb\u30fc\u30d7\u5909\u6570\u304c\u78ba\u5b9f\u306b\u66f4\u65b0\u3055\u308c\u308b\ncounter = 0\nwhile counter &lt; 5\n  puts counter\n  counter += 1  # \u30ab\u30a6\u30f3\u30bf\u30fc\u3092\u78ba\u5b9f\u306b\u66f4\u65b0\nend\n\n# \u60aa\u3044\u4f8b\uff1a\u30eb\u30fc\u30d7\u5909\u6570\u304c\u66f4\u65b0\u3055\u308c\u306a\u3044\ncounter = 0\nwhile counter &lt; 5\n  puts counter\n  # counter += 1 \u3092\u5fd8\u308c\u3066\u3044\u308b\uff01\nend<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>\u7d42\u4e86\u6761\u4ef6\u306e\u660e\u78ba\u306a\u8a2d\u5b9a<\/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=\"\"># \u826f\u3044\u4f8b\uff1a\u660e\u78ba\u306a\u7d42\u4e86\u6761\u4ef6\ndef process_data(data)\n  index = 0\n  while index &lt; data.length  # \u914d\u5217\u306e\u9577\u3055\u3067\u5236\u9650\n    process_item(data[index])\n    index += 1\n  end\nend\n\n# \u60aa\u3044\u4f8b\uff1a\u4e0d\u660e\u78ba\u306a\u7d42\u4e86\u6761\u4ef6\ndef process_data(data)\n  index = 0\n  while true  # \u7d42\u4e86\u6761\u4ef6\u304c\u4e0d\u660e\u78ba\n    break if some_condition?\n    process_item(data[index])\n    index += 1\n  end\nend<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li>break\u6587\u306e\u9069\u5207\u306a\u4f7f\u7528<\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># \u5b89\u5168\u306a\u7121\u9650\u30eb\u30fc\u30d7\u306e\u66f8\u304d\u65b9\nattempts = 0\nwhile true\n  attempts += 1\n\n  # \u660e\u78ba\u306a\u8131\u51fa\u6761\u4ef6\n  break if attempts &gt;= 5\n\n  # \u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u8a2d\u5b9a\n  break if Time.now - start_time &gt; 60  # 60\u79d2\u3067\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\n\n  # \u51e6\u7406\u306e\u7d50\u679c\u306b\u3088\u308b\u8131\u51fa\n  result = some_process()\n  break if result.success?\nend<\/pre>\n\n\n\n<p>\u5b89\u5168\u306a\u30eb\u30fc\u30d7\u51e6\u7406\u306e\u305f\u3081\u306e\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30eb\u30fc\u30d7\u5909\u6570\u304c\u9069\u5207\u306b\u66f4\u65b0\u3055\u308c\u3066\u3044\u308b\u304b<\/li>\n\n\n\n<li>\u7d42\u4e86\u6761\u4ef6\u304c\u660e\u78ba\u306b\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u308b\u304b<\/li>\n\n\n\n<li>\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u51e6\u7406\u304c\u5fc5\u8981\u306a\u3044\u304b<\/li>\n\n\n\n<li>\u7dca\u6025\u8131\u51fa\u7528\u306ebreak\u6587\u304c\u9069\u5207\u306b\u914d\u7f6e\u3055\u308c\u3066\u3044\u308b\u304b<\/li>\n\n\n\n<li>\u6761\u4ef6\u5f0f\u304c\u9069\u5207\u306a\u5024\u3092\u8fd4\u3059\u304b<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u57fa\u672c\u3092\u62bc\u3055\u3048\u308b\u3053\u3068\u3067\u3001\u5b89\u5168\u3067\u52b9\u7387\u7684\u306awhile\u30eb\u30fc\u30d7\u306e\u5b9f\u88c5\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-4\">\u5b9f\u8df5\u7684\u306awhile\u30eb\u30fc\u30d7\u306e\u4f7f\u7528\u30d1\u30bf\u30fc\u30f3<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-5\">\u30d5\u30a1\u30a4\u30eb\u8aad\u307f\u8fbc\u307f\u51e6\u7406\u3067\u306ewhile\u6d3b\u7528\u6cd5<\/h3>\n\n\n\n<p>\u5927\u304d\u306a\u30d5\u30a1\u30a4\u30eb\u3092\u52b9\u7387\u7684\u306b\u51e6\u7406\u3059\u308b\u5834\u5408\u3001while\u30eb\u30fc\u30d7\u306f\u975e\u5e38\u306b\u6709\u7528\u3067\u3059\u3002\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u3092\u6291\u3048\u306a\u304c\u3089\u884c\u5358\u4f4d\u3067\u51e6\u7406\u3092\u884c\u3046\u5b9f\u88c5\u4f8b\u3092\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\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=\"\">def process_large_file(filepath)\n  File.open(filepath, 'r') do |file|\n    while line = file.gets  # 1\u884c\u305a\u3064\u8aad\u307f\u8fbc\u307f\n      # \u884c\u672b\u306e\u6539\u884c\u3092\u524a\u9664\u3057\u3066\u51e6\u7406\n      processed_line = line.chomp\n\n      # \u7a7a\u884c\u306f\u30b9\u30ad\u30c3\u30d7\n      next if processed_line.empty?\n\n      # \u884c\u306e\u51e6\u7406\n      process_line(processed_line)\n    rescue =&gt; e\n      puts \"\u884c\u306e\u51e6\u7406\u4e2d\u306b\u30a8\u30e9\u30fc\u304c\u767a\u751f: #{e.message}\"\n      # \u30a8\u30e9\u30fc\u30ed\u30b0\u306e\u8a18\u9332\n      log_error(e, line: line)\n      # \u6b21\u306e\u884c\u3078\u7d9a\u884c\n      next\n    end\n  end\nrescue Errno::ENOENT\n  puts \"\u30d5\u30a1\u30a4\u30eb\u304c\u898b\u3064\u304b\u308a\u307e\u305b\u3093: #{filepath}\"\nrescue Errno::EACCES\n  puts \"\u30d5\u30a1\u30a4\u30eb\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u6a29\u9650\u304c\u3042\u308a\u307e\u305b\u3093: #{filepath}\"\nend<\/pre>\n\n\n\n<p>CSV\u30d5\u30a1\u30a4\u30eb\u3092\u51e6\u7406\u3059\u308b\u3001\u3088\u308a\u5b9f\u8df5\u7684\u306a\u4f8b\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=\"\">require 'csv'\n\ndef process_csv_file(filepath)\n  row_number = 0\n  headers = nil\n\n  File.open(filepath, 'r') do |file|\n    while line = file.gets\n      row_number += 1\n\n      begin\n        # CSV\u306e\u884c\u3092\u30d1\u30fc\u30b9\n        row = CSV.parse_line(line)\n\n        if row_number == 1\n          # \u30d8\u30c3\u30c0\u30fc\u884c\u306e\u51e6\u7406\n          headers = row\n          next\n        end\n\n        # \u30c7\u30fc\u30bf\u3092\u6574\u5f62\u3057\u3066\u30cf\u30c3\u30b7\u30e5\u306b\u5909\u63db\n        row_data = headers.zip(row).to_h\n\n        # \u30c7\u30fc\u30bf\u306e\u691c\u8a3c\n        validate_row_data(row_data)\n\n        # \u30c7\u30fc\u30bf\u306e\u51e6\u7406\n        process_row_data(row_data)\n\n      rescue CSV::MalformedCSVError =&gt; e\n        puts \"\u884c#{row_number}\u306eCSV\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u304c\u4e0d\u6b63\u3067\u3059: #{e.message}\"\n        next\n      rescue =&gt; e\n        puts \"\u884c#{row_number}\u306e\u51e6\u7406\u4e2d\u306b\u30a8\u30e9\u30fc\u304c\u767a\u751f: #{e.message}\"\n        next\n      end\n    end\n  end\nend<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-6\">\u30e6\u30fc\u30b6\u30fc\u5165\u529b\u3092\u53d7\u3051\u5165\u308c\u308b\u969b\u306e\u653b\u7565\u30c6\u30af\u30cb\u30c3\u30af<\/h3>\n\n\n\n<p>\u30e6\u30fc\u30b6\u30fc\u5165\u529b\u3092\u51e6\u7406\u3059\u308b\u969b\u306f\u3001\u5165\u529b\u306e\u691c\u8a3c\u3068\u30a8\u30e9\u30fc\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0\u304c\u91cd\u8981\u3067\u3059\u3002\u4ee5\u4e0b\u306b\u5b89\u5168\u306a\u5b9f\u88c5\u4f8b\u3092\u793a\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=\"\">def get_valid_number\n  while true\n    print \"1\u304b\u3089100\u307e\u3067\u306e\u6570\u5b57\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044: \"\n    input = gets.chomp\n\n    # \u7d42\u4e86\u6761\u4ef6\u306e\u30c1\u30a7\u30c3\u30af\n    break if input.downcase == 'quit'\n\n    begin\n      # \u6570\u5024\u3078\u306e\u5909\u63db\u3092\u8a66\u307f\u308b\n      number = Integer(input)\n\n      # \u7bc4\u56f2\u30c1\u30a7\u30c3\u30af\n      if number.between?(1, 100)\n        return number\n      else\n        puts \"\u30a8\u30e9\u30fc: 1\u304b\u3089100\u307e\u3067\u306e\u6570\u5b57\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\"\n      end\n\n    rescue ArgumentError\n      puts \"\u30a8\u30e9\u30fc: \u6709\u52b9\u306a\u6570\u5b57\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\"\n    end\n  end\nend\n\n# \u30e1\u30cb\u30e5\u30fc\u9078\u629e\u306e\u5b9f\u88c5\u4f8b\ndef display_menu\n  while true\n    puts \"\\n=== \u30e1\u30cb\u30e5\u30fc ===\"\n    puts \"1. \u30c7\u30fc\u30bf\u8868\u793a\"\n    puts \"2. \u30c7\u30fc\u30bf\u8ffd\u52a0\"\n    puts \"3. \u30c7\u30fc\u30bf\u524a\u9664\"\n    puts \"4. \u7d42\u4e86\"\n    print \"\u9078\u629e\u3057\u3066\u304f\u3060\u3055\u3044 (1-4): \"\n\n    choice = gets.chomp\n\n    case choice\n    when '1'\n      display_data()\n    when '2'\n      add_data()\n    when '3'\n      delete_data()\n    when '4'\n      puts \"\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u7d42\u4e86\u3057\u307e\u3059\"\n      break\n    else\n      puts \"\u7121\u52b9\u306a\u9078\u629e\u3067\u3059\u30021-4\u306e\u6570\u5b57\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\u3002\"\n    end\n  end\nend<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-7\">API\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u518d\u8a66\u884c\u51e6\u7406\u306e\u5b9f\u88c5\u65b9\u6cd5<\/h3>\n\n\n\n<p>API\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u518d\u8a66\u884c\u51e6\u7406\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u4e00\u6642\u7684\u306a\u554f\u984c\u306b\u5bfe\u3059\u308b\u8010\u6027\u3092\u9ad8\u3081\u308b\u305f\u3081\u306b\u91cd\u8981\u3067\u3059\u3002\u4ee5\u4e0b\u306b\u3001\u30d0\u30c3\u30af\u30aa\u30d5\u6226\u7565\u3092\u5b9f\u88c5\u3057\u305f\u4f8b\u3092\u793a\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=\"\">require 'net\/http'\nrequire 'json'\n\nclass APIClient\n  MAX_RETRIES = 3\n  BASE_WAIT_TIME = 1 # \u57fa\u672c\u5f85\u6a5f\u6642\u9593\uff08\u79d2\uff09\n\n  def self.request_with_retry(endpoint, method: :get, params: {})\n    retries = 0\n\n    while retries &lt;= MAX_RETRIES\n      begin\n        # \u30ea\u30af\u30a8\u30b9\u30c8\u306e\u5b9f\u884c\n        response = make_request(endpoint, method, params)\n\n        # \u6210\u529f\u3057\u305f\u5834\u5408\u306f\u30ec\u30b9\u30dd\u30f3\u30b9\u3092\u8fd4\u3059\n        return response if response.code.to_i == 200\n\n        # \u30ec\u30fc\u30c8\u5236\u9650\u306e\u5834\u5408\u306f\u5f85\u6a5f\n        if response.code.to_i == 429\n          wait_time = get_rate_limit_wait_time(response)\n          sleep(wait_time)\n          next\n        end\n\n        # \u305d\u306e\u4ed6\u306e\u30a8\u30e9\u30fc\u306e\u5834\u5408\u306f\u518d\u8a66\u884c\n        raise \"API\u30a8\u30e9\u30fc: #{response.code} - #{response.body}\"\n\n      rescue StandardError =&gt; e\n        retries += 1\n\n        if retries &lt;= MAX_RETRIES\n          # \u6307\u6570\u30d0\u30c3\u30af\u30aa\u30d5\u3067\u5f85\u6a5f\u6642\u9593\u3092\u8a08\u7b97\n          wait_time = BASE_WAIT_TIME * (2 ** (retries - 1))\n          puts \"\u30ea\u30af\u30a8\u30b9\u30c8\u5931\u6557 (#{retries}\/#{MAX_RETRIES}). #{wait_time}\u79d2\u5f8c\u306b\u518d\u8a66\u884c...\"\n          sleep(wait_time)\n        else\n          raise \"API\u30ea\u30af\u30a8\u30b9\u30c8\u304c#{MAX_RETRIES}\u56de\u5931\u6557\u3057\u307e\u3057\u305f: #{e.message}\"\n        end\n      end\n    end\n  end\n\n  private\n\n  def self.make_request(endpoint, method, params)\n    uri = URI(endpoint)\n\n    case method\n    when :get\n      uri.query = URI.encode_www_form(params)\n      request = Net::HTTP::Get.new(uri)\n    when :post\n      request = Net::HTTP::Post.new(uri)\n      request.body = params.to_json\n    end\n\n    request['Content-Type'] = 'application\/json'\n\n    Net::HTTP.start(uri.hostname, uri.port, use_ssl: uri.scheme == 'https') do |http|\n      http.request(request)\n    end\n  end\n\n  def self.get_rate_limit_wait_time(response)\n    # \u30ec\u30fc\u30c8\u30ea\u30df\u30c3\u30c8\u30d8\u30c3\u30c0\u30fc\u304b\u3089\u5f85\u6a5f\u6642\u9593\u3092\u53d6\u5f97\n    reset_time = response['X-RateLimit-Reset']\n    return 30 unless reset_time # \u30c7\u30d5\u30a9\u30eb\u30c8\u5f85\u6a5f\u6642\u9593\n\n    [reset_time.to_i - Time.now.to_i, 1].max\n  end\nend\n\n# \u4f7f\u7528\u4f8b\nbegin\n  response = APIClient.request_with_retry(\n    'https:\/\/api.example.com\/data',\n    method: :get,\n    params: { id: 123 }\n  )\n  data = JSON.parse(response.body)\n  process_data(data)\nrescue =&gt; e\n  puts \"\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u307e\u3057\u305f: #{e.message}\"\nend<\/pre>\n\n\n\n<p>\u3053\u306e\u5b9f\u88c5\u3067\u306f\u4ee5\u4e0b\u306e\u70b9\u306b\u6ce8\u610f\u3092\u6255\u3063\u3066\u3044\u307e\u3059\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\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u660e\u78ba\u306a\u63d0\u793a<\/li>\n\n\n\n<li>\u30a8\u30e9\u30fc\u72b6\u6cc1\u306b\u5fdc\u3058\u305f\u9069\u5207\u306a\u5bfe\u5fdc<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8003\u616e\u4e8b\u9805<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5165\u529b\u5024\u306e\u691c\u8a3c<\/li>\n\n\n\n<li>\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u8a2d\u5b9a<\/li>\n\n\n\n<li>\u30bb\u30ad\u30e5\u30a2\u306a\u901a\u4fe1<\/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>\u52b9\u7387\u7684\u306a\u30ea\u30bd\u30fc\u30b9\u4f7f\u7528<\/li>\n\n\n\n<li>\u9069\u5207\u306a\u30d0\u30c3\u30af\u30aa\u30d5\u6226\u7565<\/li>\n\n\n\n<li>\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u306e\u6700\u9069\u5316<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u30d1\u30bf\u30fc\u30f3\u3092\u57fa\u306b\u3001\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u8981\u4ef6\u306b\u5408\u308f\u305b\u3066\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3059\u308b\u3053\u3068\u3067\u3001\u5805\u7262\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u5b9f\u88c5\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-8\">while\u30eb\u30fc\u30d7\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-9\">\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u3092\u91cd\u8996\u3059\u308b\u305f\u3081\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/h3>\n\n\n\n<p>while\u30eb\u30fc\u30d7\u3067\u306e\u30e1\u30e2\u30ea\u4f7f\u7528\u3092\u6700\u9069\u5316\u3059\u308b\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u70b9\u306b\u6ce8\u610f\u3092\u6255\u3046\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5927\u304d\u306a\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u306e\u51e6\u7406<\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">require 'benchmark'\nrequire 'memory_profiler'\n\n# \u30e1\u30e2\u30ea\u52b9\u7387\u306e\u60aa\u3044\u5b9f\u88c5\ndef process_large_array_inefficient(size)\n  array = []\n  counter = 0\n\n  while counter &lt; size\n    array &lt;&lt; \"item#{counter}\"  # \u30e1\u30e2\u30ea\u3092\u6d88\u8cbb\u3057\u7d9a\u3051\u308b\n    counter += 1\n  end\n\n  array\nend\n\n# \u30e1\u30e2\u30ea\u52b9\u7387\u306e\u826f\u3044\u5b9f\u88c5\ndef process_large_array_efficient(size)\n  Enumerator.new do |yielder|\n    counter = 0\n    while counter &lt; size\n      yielder &lt;&lt; \"item#{counter}\"  # \u5fc5\u8981\u306a\u6642\u3060\u3051\u751f\u6210\n      counter += 1\n    end\n  end\nend\n\n# \u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u306e\u6bd4\u8f03\ndef compare_memory_usage\n  size = 1_000_000\n\n  puts \"\u975e\u52b9\u7387\u306a\u5b9f\u88c5\u306e\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf:\"\n  report = MemoryProfiler.report do\n    process_large_array_inefficient(size).first(10)\n  end\n  report.pretty_print\n\n  puts \"\\n\u52b9\u7387\u7684\u306a\u5b9f\u88c5\u306e\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf:\"\n  report = MemoryProfiler.report do\n    process_large_array_efficient(size).first(10)\n  end\n  report.pretty_print\nend<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>\u4e00\u6642\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u6700\u5c0f\u5316<\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># \u30e1\u30e2\u30ea\u52b9\u7387\u306e\u60aa\u3044\u5b9f\u88c5\ndef process_with_temp_objects\n  result = []\n  counter = 0\n\n  while counter &lt; 1000\n    # \u6bce\u56de\u65b0\u3057\u3044\u6587\u5b57\u5217\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u751f\u6210\n    temp = \"prefix_#{counter}\"\n    result &lt;&lt; temp.upcase\n    counter += 1\n  end\nend\n\n# \u30e1\u30e2\u30ea\u52b9\u7387\u306e\u826f\u3044\u5b9f\u88c5\ndef process_without_temp_objects\n  result = []\n  counter = 0\n  prefix = 'prefix_'  # \u518d\u5229\u7528\u53ef\u80fd\u306a\u6587\u5b57\u5217\n\n  while counter &lt; 1000\n    # \u65e2\u5b58\u306e\u6587\u5b57\u5217\u3092\u518d\u5229\u7528\n    result &lt;&lt; \"#{prefix}#{counter}\".upcase\n    counter += 1\n  end\nend<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-10\">\u51e6\u7406\u901f\u5ea6\u3092\u5411\u4e0a\u3055\u305b\u308b\u305f\u3081\u306e\u30c6\u30af\u30cb\u30c3\u30af<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u6761\u4ef6\u5f0f\u306e\u6700\u9069\u5316<\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">require 'benchmark'\n\ndef compare_condition_performance\n  n = 1_000_000\n\n  Benchmark.bm do |x|\n    # \u8907\u96d1\u306a\u6761\u4ef6\u5f0f\n    x.report(\"\u8907\u96d1\u306a\u6761\u4ef6:\") do\n      i = 0\n      while i &lt; n &amp;&amp; i.to_s.length &lt; 10 &amp;&amp; i % 2 == 0\n        i += 1\n      end\n    end\n\n    # \u6700\u9069\u5316\u3055\u308c\u305f\u6761\u4ef6\u5f0f\n    x.report(\"\u6700\u9069\u5316\u6761\u4ef6:\") do\n      i = 0\n      max_length = Math.log10(n).to_i + 1\n      while i &lt; n &amp;&amp; max_length &lt; 10 &amp;&amp; i.even?\n        i += 1\n      end\n    end\n  end\nend<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>\u30eb\u30fc\u30d7\u5185\u90e8\u306e\u6700\u9069\u5316<\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class LoopOptimizer\n  def self.demonstrate_optimizations\n    array = (1..1000).to_a\n\n    # \u975e\u52b9\u7387\u306a\u5b9f\u88c5\n    def self.inefficient_loop(array)\n      i = 0\n      result = []\n      while i &lt; array.length\n        # \u30eb\u30fc\u30d7\u5185\u3067\u6bce\u56de\u30e1\u30bd\u30c3\u30c9\u547c\u3073\u51fa\u3057\n        result &lt;&lt; process_item(array[i])\n        i += 1\n      end\n      result\n    end\n\n    # \u6700\u9069\u5316\u3055\u308c\u305f\u5b9f\u88c5\n    def self.efficient_loop(array)\n      i = 0\n      result = []\n      length = array.length  # \u30eb\u30fc\u30d7\u5916\u3067\u8a08\u7b97\n      processor = method(:process_item)  # \u30e1\u30bd\u30c3\u30c9\u53c2\u7167\u3092\u4fdd\u6301\n\n      while i &lt; length\n        result &lt;&lt; processor.call(array[i])\n        i += 1\n      end\n      result\n    end\n\n    private\n\n    def self.process_item(item)\n      item * 2\n    end\n  end\nend<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-11\">break\u6587\u3068next\u6587\u306e\u52b9\u679c\u7684\u306a\u4f7f\u7528\u65b9\u6cd5<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u65e9\u671f\u30ea\u30bf\u30fc\u30f3\u306b\u3088\u308b\u6700\u9069\u5316<\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">def find_in_sorted_array(array, target)\n  i = 0\n  while i &lt; array.length\n    current = array[i]\n\n    # \u5bfe\u8c61\u3088\u308a\u5927\u304d\u3044\u5024\u304c\u898b\u3064\u304b\u3063\u305f\u3089\u63a2\u7d22\u7d42\u4e86\n    break if current &gt; target\n\n    return i if current == target\n    i += 1\n  end\n  nil\nend<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>\u4e0d\u8981\u306a\u51e6\u7406\u306e\u30b9\u30ad\u30c3\u30d7<\/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=\"\">def process_valid_items(items)\n  i = 0\n  results = []\n\n  while i &lt; items.length\n    item = items[i]\n\n    # \u7121\u52b9\u306a\u30a2\u30a4\u30c6\u30e0\u3092\u30b9\u30ad\u30c3\u30d7\n    if !item.valid?\n      i += 1\n      next\n    end\n\n    # \u51e6\u7406\u306e\u5b9f\u884c\n    results &lt;&lt; process_item(item)\n    i += 1\n  end\n\n  results\nend<\/pre>\n\n\n\n<p>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u306e\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8\uff1a<\/p>\n\n\n<div id=\"id-f903dc59-9178-4077-ac0b-33493266d5af\">\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u89b3\u70b9<\/th><th>\u78ba\u8a8d\u9805\u76ee<\/th><th>\u6700\u9069\u5316\u65b9\u6cd5<\/th><\/tr><\/thead><tbody><tr><td>\u30e1\u30e2\u30ea<\/td><td>\u4e0d\u8981\u306a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u751f\u6210<\/td><td>\u5fc5\u8981\u306a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u307f\u3092\u751f\u6210<\/td><\/tr><tr><td>\u30e1\u30e2\u30ea<\/td><td>\u5927\u304d\u306a\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u306e\u51e6\u7406<\/td><td>Enumerator\u306e\u6d3b\u7528<\/td><\/tr><tr><td>\u901f\u5ea6<\/td><td>\u6761\u4ef6\u5f0f\u306e\u8907\u96d1\u3055<\/td><td>\u6761\u4ef6\u5f0f\u306e\u7c21\u7d20\u5316\u3068\u4e8b\u524d\u8a08\u7b97<\/td><\/tr><tr><td>\u901f\u5ea6<\/td><td>\u30eb\u30fc\u30d7\u5185\u306e\u51e6\u7406<\/td><td>\u30eb\u30fc\u30d7\u5916\u3067\u306e\u4e8b\u524d\u51e6\u7406\u306e\u6d3b\u7528<\/td><\/tr><tr><td>\u5236\u5fa1<\/td><td>break\/next\u306e\u4f7f\u7528<\/td><td>\u9069\u5207\u306a\u4f4d\u7f6e\u3067\u306e\u5236\u5fa1\u69cb\u6587\u306e\u6d3b\u7528<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n<p>\u3053\u308c\u3089\u306e\u6700\u9069\u5316\u30c6\u30af\u30cb\u30c3\u30af\u3092\u9069\u5207\u306b\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u52b9\u7387\u7684\u306awhile\u30eb\u30fc\u30d7\u306e\u5b9f\u88c5\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u904e\u5ea6\u306a\u6700\u9069\u5316\u306f\u53ef\u8aad\u6027\u3092\u640d\u306a\u3046\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3001\u9069\u5207\u306a\u30d0\u30e9\u30f3\u30b9\u3092\u53d6\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-12\">\u4e00\u6b69\u524d\u9032\u3060\u306a\u304c\u3089\u6d3b\u7528\u30c6\u30af\u30cb\u30c3\u30af<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-13\">begin\u2026end while\u69cb\u6587\u306b\u3088\u308a\u67d4\u8edf\u306a\u5236\u5fa1\u3092\u5b9f\u73fe<\/h3>\n\n\n\n<p>begin\u2026end while\u69cb\u6587\u306f\u3001\u6761\u4ef6\u5224\u5b9a\u3092\u5f8c\u7f6e\u3059\u308b\u3053\u3068\u3067\u3001\u6700\u4f4e1\u56de\u306f\u51e6\u7406\u3092\u5b9f\u884c\u3059\u308b\u3053\u3068\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u7279\u5b9a\u306e\u30b7\u30ca\u30ea\u30aa\u3067\u3088\u308a\u67d4\u8edf\u306a\u5236\u5fa1\u304c\u53ef\u80fd\u306b\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=\"\"># \u6a19\u6e96\u7684\u306awhile\u6587\u3068\u306e\u6bd4\u8f03\ndef demonstrate_while_variations\n  # \u901a\u5e38\u306ewhile\u6587\uff08\u6761\u4ef6\u304c\u6700\u521d\u304b\u3089\u507d\u306e\u5834\u5408\u306f\u5b9f\u884c\u3055\u308c\u306a\u3044\uff09\n  counter = 10\n  while counter &lt; 10\n    puts \"\u3053\u306e\u884c\u306f\u5b9f\u884c\u3055\u308c\u307e\u305b\u3093\"\n    counter += 1\n  end\n\n  # begin...end while\u6587\uff08\u6700\u4f4e1\u56de\u306f\u5b9f\u884c\u3055\u308c\u308b\uff09\n  counter = 10\n  begin\n    puts \"\u30ab\u30a6\u30f3\u30bf\u30fc\u5024: #{counter}\"\n    counter += 1\n  end while counter &lt; 10\nend\n\n# \u5b9f\u8df5\u7684\u306a\u4f7f\u7528\u4f8b\uff1a\u30e6\u30fc\u30b6\u30fc\u5165\u529b\u306e\u691c\u8a3c\ndef get_valid_input\n  begin\n    print \"\u6b63\u306e\u6570\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044: \"\n    input = gets.chomp\n    number = Integer(input)\n    valid = number &gt; 0\n    puts \"\u6b63\u306e\u6570\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\" unless valid\n  end while !valid\n\n  number\nend\n\n# API\u30ec\u30b9\u30dd\u30f3\u30b9\u306e\u51e6\u7406\ndef process_api_response\n  response = nil\n  begin\n    response = api_request\n\n    # \u30ec\u30b9\u30dd\u30f3\u30b9\u306e\u691c\u8a3c\n    unless response.valid?\n      log_error(\"Invalid response received\")\n      sleep(1)  # \u518d\u8a66\u884c\u524d\u306e\u5f85\u6a5f\n    end\n  end while !response.valid?\n\n  response\nend<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-14\">\u6761\u4ef6\u5206\u5c90\u3068\u7d44\u307f\u5408\u308f\u305b\u305f\u9ad8\u5ea6\u306a\u30eb\u30fc\u30d7\u51e6\u7406<\/h3>\n\n\n\n<p>\u8907\u96d1\u306a\u6761\u4ef6\u5206\u5c90\u3068while\u30eb\u30fc\u30d7\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u3088\u308a\u67d4\u8edf\u306a\u5236\u5fa1\u30d5\u30ed\u30fc\u3092\u5b9f\u73fe\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=\"\">class DataProcessor\n  def process_with_conditions(data)\n    index = 0\n    error_count = 0\n    max_errors = 3\n\n    while index &lt; data.length\n      item = data[index]\n\n      case item.status\n      when :ready\n        begin\n          process_item(item)\n          index += 1\n        rescue ProcessingError =&gt; e\n          error_count += 1\n          if error_count &gt;= max_errors\n            puts \"\u30a8\u30e9\u30fc\u56de\u6570\u304c\u4e0a\u9650\u3092\u8d85\u3048\u307e\u3057\u305f\"\n            break\n          end\n          retry_after_delay(1)\n        end\n\n      when :pending\n        # \u5f8c\u3067\u518d\u51e6\u7406\u3059\u308b\u305f\u3081\u306b\u30b9\u30ad\u30c3\u30d7\n        index += 1\n        next\n\n      when :processing\n        # \u51e6\u7406\u4e2d\u306e\u5834\u5408\u306f\u5f85\u6a5f\n        sleep(0.5)\n        next\n\n      else\n        # \u4e0d\u660e\u306a\u30b9\u30c6\u30fc\u30bf\u30b9\u306e\u5834\u5408\u306f\u30ed\u30b0\u3092\u6b8b\u3057\u3066\u30b9\u30ad\u30c3\u30d7\n        log_unknown_status(item)\n        index += 1\n      end\n    end\n  end\n\n  private\n\n  def retry_after_delay(seconds)\n    sleep(seconds)\n  end\nend\n\n# \u72b6\u614b\u9077\u79fb\u3092\u542b\u3080\u51e6\u7406\nclass StateMachine\n  def process_with_state\n    state = :initial\n\n    while state != :completed\n      case state\n      when :initial\n        initialize_process\n        state = :processing\n\n      when :processing\n        if process_data\n          state = :validation\n        else\n          state = :error\n        end\n\n      when :validation\n        if validate_results\n          state = :completed\n        else\n          state = :processing\n        end\n\n      when :error\n        if can_retry?\n          state = :processing\n        else\n          state = :failed\n          break\n        end\n      end\n    end\n  end\nend<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-15\">\u30a4\u30c6\u30ec\u30fc\u30bf\u3068\u306e\u6bd4\u8f03\u3067\u898b\u308b\u53ef\u8aad\u6027\u306e\u9ad8\u3044\u30b3\u30fc\u30c9<\/h3>\n\n\n\n<p>Ruby\u306e\u8c4a\u5bcc\u306a\u30a4\u30c6\u30ec\u30fc\u30bf\u30e1\u30bd\u30c3\u30c9\u3068\u6bd4\u8f03\u3057\u306a\u304c\u3089\u3001while\u30eb\u30fc\u30d7\u306e\u9069\u5207\u306a\u4f7f\u7528\u5834\u9762\u3092\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class IterationComparison\n  # while\u30eb\u30fc\u30d7\u3092\u4f7f\u7528\u3059\u308b\u9069\u5207\u306a\u4f8b\n  def process_with_while\n    buffer = []\n    while buffer.length &lt; 1000 &amp;&amp; fetch_next_item\n      item = transform_item(buffer.last)\n      break unless item\n      buffer &lt;&lt; item\n    end\n    buffer\n  end\n\n  # \u30a4\u30c6\u30ec\u30fc\u30bf\u3092\u4f7f\u7528\u3059\u308b\u9069\u5207\u306a\u4f8b\n  def process_with_iterator\n    [1, 2, 3, 4, 5].each_with_object([]) do |num, acc|\n      acc &lt;&lt; num * 2\n    end\n  end\n\n  # \u4f7f\u3044\u5206\u3051\u306e\u6307\u91dd\n  def demonstrate_usage_patterns\n    # while\u30eb\u30fc\u30d7\u304c\u9069\u3057\u3066\u3044\u308b\u5834\u5408\uff1a\n    # 1. \u8907\u96d1\u306a\u7d42\u4e86\u6761\u4ef6\n    while complex_condition? &amp;&amp; !timeout_reached?\n      process_item\n    end\n\n    # 2. \u5916\u90e8\u30ea\u30bd\u30fc\u30b9\u3068\u306e\u9023\u643a\n    while data = external_source.read\n      process_data(data)\n    end\n\n    # \u30a4\u30c6\u30ec\u30fc\u30bf\u304c\u9069\u3057\u3066\u3044\u308b\u5834\u5408\uff1a\n    # 1. \u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u306e\u5358\u7d14\u306a\u51e6\u7406\n    collection.each { |item| process_item(item) }\n\n    # 2. \u8981\u7d20\u306e\u5909\u63db\n    collection.map { |item| transform_item(item) }\n  end\nend<\/pre>\n\n\n\n<p>\u4f7f\u3044\u5206\u3051\u306e\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\uff1a<\/p>\n\n\n<div id=\"id-2f491989-8f75-41ec-b6de-549d8c3b394d\">\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u30b7\u30ca\u30ea\u30aa<\/th><th>\u63a8\u5968\u30a2\u30d7\u30ed\u30fc\u30c1<\/th><th>\u7406\u7531<\/th><\/tr><\/thead><tbody><tr><td>\u8907\u96d1\u306a\u7d42\u4e86\u6761\u4ef6<\/td><td>while<\/td><td>\u67d4\u8edf\u306a\u5236\u5fa1\u30d5\u30ed\u30fc\u304c\u5fc5\u8981<\/td><\/tr><tr><td>\u5916\u90e8\u30ea\u30bd\u30fc\u30b9\u51e6\u7406<\/td><td>while<\/td><td>\u30ea\u30bd\u30fc\u30b9\u306e\u72b6\u614b\u306b\u4f9d\u5b58\u3059\u308b\u51e6\u7406<\/td><\/tr><tr><td>\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u51e6\u7406<\/td><td>\u30a4\u30c6\u30ec\u30fc\u30bf<\/td><td>\u3088\u308a\u5ba3\u8a00\u7684\u3067\u53ef\u8aad\u6027\u304c\u9ad8\u3044<\/td><\/tr><tr><td>\u8981\u7d20\u306e\u5909\u63db<\/td><td>\u30a4\u30c6\u30ec\u30fc\u30bf<\/td><td>\u7d44\u307f\u8fbc\u307f\u30e1\u30bd\u30c3\u30c9\u3067\u7c21\u6f54\u306b\u8a18\u8ff0\u53ef\u80fd<\/td><\/tr><tr><td>\u72b6\u614b\u7ba1\u7406\u304c\u5fc5\u8981<\/td><td>while<\/td><td>\u72b6\u614b\u306e\u5909\u66f4\u3092\u660e\u793a\u7684\u306b\u5236\u5fa1\u53ef\u80fd<\/td><\/tr><tr><td>\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0<\/td><td>\u30a4\u30c6\u30ec\u30fc\u30bf<\/td><td>select\/reject\u30e1\u30bd\u30c3\u30c9\u304c\u9069\u3057\u3066\u3044\u308b<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n<p>\u3053\u308c\u3089\u306e\u9ad8\u5ea6\u306a\u30c6\u30af\u30cb\u30c3\u30af\u3092\u4f7f\u3044\u3053\u306a\u3059\u3053\u3068\u3067\u3001\u3088\u308a\u67d4\u8edf\u3067\u4fdd\u5b88\u6027\u306e\u9ad8\u3044\u30b3\u30fc\u30c9\u3092\u66f8\u304f\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u8907\u96d1\u3059\u304e\u308b\u5236\u5fa1\u30d5\u30ed\u30fc\u306f\u907f\u3051\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u30e1\u30bd\u30c3\u30c9\u306e\u5206\u5272\u3084\u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0\u3092\u691c\u8a0e\u3059\u308b\u3053\u3068\u3082\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-16\">\u73fe\u5834\u3067\u4f7f\u3048\u308b\u30c7\u30d0\u30c3\u30b0\u30c6\u30af\u30cb\u30c3\u30af<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-17\">\u7121\u9650\u30eb\u30fc\u30d7\u306b\u9665\u3063\u305f\u969b\u306e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0<\/h3>\n\n\n\n<p>while\u30eb\u30fc\u30d7\u306e\u6700\u3082\u4e00\u822c\u7684\u306a\u554f\u984c\u306e\u4e00\u3064\u304c\u7121\u9650\u30eb\u30fc\u30d7\u3067\u3059\u3002\u3053\u308c\u3092\u52b9\u679c\u7684\u306b\u30c7\u30d0\u30c3\u30b0\u3057\u3001\u9632\u6b62\u3059\u308b\u65b9\u6cd5\u3092\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class LoopDebugger\n  # \u30c7\u30d0\u30c3\u30b0\u60c5\u5831\u3092\u51fa\u529b\u3059\u308b\u6a5f\u80fd\u3092\u6301\u3064\u30e9\u30c3\u30d1\u30fc\n  def self.debug_loop(max_iterations: 1000)\n    iteration_count = 0\n    start_time = Time.now\n\n    while iteration_count &lt; max_iterations\n      iteration_count += 1\n\n      # \u5b9a\u671f\u7684\u306a\u30c7\u30d0\u30c3\u30b0\u60c5\u5831\u306e\u51fa\u529b\n      if iteration_count % 100 == 0\n        puts \"Iteration: #{iteration_count}\"\n        puts \"Elapsed time: #{Time.now - start_time} seconds\"\n        puts \"Memory usage: #{get_memory_usage} MB\"\n      end\n\n      yield if block_given?\n    end\n  rescue =&gt; e\n    puts \"Error occurred at iteration #{iteration_count}: #{e.message}\"\n    puts e.backtrace\n  end\n\n  private\n\n  def self.get_memory_usage\n    `ps -o rss= -p #{Process.pid}`.to_i \/ 1024\n  end\nend\n\n# \u4f7f\u7528\u4f8b\ndef process_with_debug\n  counter = 0\n  data = []\n\n  LoopDebugger.debug_loop do\n    # \u51e6\u7406\u5185\u5bb9\n    data &lt;&lt; \"item#{counter}\"\n    counter += 1\n\n    # \u7d42\u4e86\u6761\u4ef6\n    break if counter &gt;= 500\n  end\nend\n\n# \u7121\u9650\u30eb\u30fc\u30d7\u306e\u4e00\u822c\u7684\u306a\u30d1\u30bf\u30fc\u30f3\u3068\u5bfe\u7b56\nclass LoopPatterns\n  def demonstrate_common_issues\n    # \u554f\u984c\u306e\u3042\u308b\u30b3\u30fc\u30c9\n    def infinite_loop_example\n      counter = 0\n      while counter &lt; 10\n        puts counter\n        # counter += 1 \u304c\u629c\u3051\u3066\u3044\u308b\n      end\n    end\n\n    # \u4fee\u6b63\u5f8c\u306e\u30b3\u30fc\u30c9\n    def fixed_loop_example\n      counter = 0\n      while counter &lt; 10\n        puts counter\n        counter += 1  # \u30ab\u30a6\u30f3\u30bf\u30fc\u306e\u66f4\u65b0\u3092\u5fd8\u308c\u305a\u306b\n      end\n    end\n  end\nend<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-18\">pry\u3092\u4f7f\u7528\u3057\u305f\u30eb\u30fc\u30d7\u51e6\u7406\u306e\u30c7\u30d0\u30c3\u30b0\u65b9\u6cd5<\/h3>\n\n\n\n<p>pry\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30eb\u30fc\u30d7\u5185\u306e\u72b6\u614b\u3092\u30a4\u30f3\u30bf\u30e9\u30af\u30c6\u30a3\u30d6\u306b\u691c\u67fb\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=\"\">require 'pry'\n\nclass PryDebugger\n  def debug_with_pry\n    counter = 0\n    data = []\n\n    while counter &lt; 100\n      item = process_item(counter)\n\n      # \u6761\u4ef6\u306b\u5fdc\u3058\u3066pry\u3092\u8d77\u52d5\n      if problematic_condition?(item)\n        binding.pry  # \u30c7\u30d0\u30c3\u30b0\u30dd\u30a4\u30f3\u30c8\n      end\n\n      data &lt;&lt; item\n      counter += 1\n    end\n  end\n\n  # pry\u306e\u30ab\u30b9\u30bf\u30e0\u30b3\u30de\u30f3\u30c9\u306e\u5b9a\u7fa9\n  if defined?(PryByebug)\n    Pry.commands.create_command \"watch\" do\n      description \"Watch expression value change over time\"\n\n      def process\n        target.eval(\"puts \\\"#{arg_string} = #{target.eval(arg_string)}\\\"\")\n      end\n    end\n  end\n\n  private\n\n  def process_item(num)\n    # \u51e6\u7406\u30ed\u30b8\u30c3\u30af\n  end\n\n  def problematic_condition?(item)\n    # \u554f\u984c\u304c\u3042\u308b\u6761\u4ef6\n  end\nend<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-19\">\u30c6\u30b9\u30c8\u30b3\u30fc\u30c9\u3067\u30eb\u30fc\u30d7\u51e6\u7406\u3092\u52b9\u679c\u7684\u306b\u30ab\u30d0\u30fc\u3059\u308b\u65b9\u6cd5<\/h3>\n\n\n\n<p>\u30eb\u30fc\u30d7\u51e6\u7406\u306e\u54c1\u8cea\u3092\u62c5\u4fdd\u3059\u308b\u305f\u3081\u306e\u52b9\u679c\u7684\u306a\u30c6\u30b9\u30c8\u65b9\u6cd5\u3092\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\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=\"\">require 'minitest\/autorun'\nrequire 'minitest\/mock'\n\nclass LoopProcessorTest &lt; Minitest::Test\n  class LoopProcessor\n    def process_items(items)\n      index = 0\n      results = []\n\n      while index &lt; items.length\n        item = items[index]\n        results &lt;&lt; transform_item(item)\n        index += 1\n      end\n\n      results\n    end\n\n    private\n\n    def transform_item(item)\n      # \u5909\u63db\u30ed\u30b8\u30c3\u30af\n      item.to_s.upcase\n    end\n  end\n\n  def setup\n    @processor = LoopProcessor.new\n  end\n\n  # \u57fa\u672c\u7684\u306a\u6a5f\u80fd\u306e\u30c6\u30b9\u30c8\n  def test_normal_processing\n    input = [1, 2, 3]\n    expected = [\"1\", \"2\", \"3\"].map(&amp;:upcase)\n    assert_equal expected, @processor.process_items(input)\n  end\n\n  # \u30a8\u30c3\u30b8\u30b1\u30fc\u30b9\u306e\u30c6\u30b9\u30c8\n  def test_empty_array\n    assert_empty @processor.process_items([])\n  end\n\n  # \u5927\u91cf\u30c7\u30fc\u30bf\u306e\u30c6\u30b9\u30c8\n  def test_large_dataset\n    input = (1..1000).to_a\n    result = @processor.process_items(input)\n    assert_equal 1000, result.length\n  end\n\n  # \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30c6\u30b9\u30c8\n  def test_performance\n    input = (1..10000).to_a\n    time = Benchmark.measure do\n      @processor.process_items(input)\n    end\n    assert_operator time.real, :&lt;, 1.0, \"\u51e6\u7406\u306b1\u79d2\u4ee5\u4e0a\u304b\u304b\u3063\u3066\u3044\u307e\u3059\"\n  end\nend<\/pre>\n\n\n\n<p>\u30c7\u30d0\u30c3\u30b0\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u4e00\u89a7\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u4e88\u9632\u7684\u30c7\u30d0\u30c3\u30b0<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30eb\u30fc\u30d7\u30ab\u30a6\u30f3\u30bf\u30fc\u306e\u5c0e\u5165<\/li>\n\n\n\n<li>\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u6a5f\u69cb\u306e\u5b9f\u88c5<\/li>\n\n\n\n<li>\u30c7\u30d0\u30c3\u30b0\u30ed\u30b0\u306e\u51fa\u529b<\/li>\n\n\n\n<li>\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u306e\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5b9f\u884c\u6642\u30c7\u30d0\u30c3\u30b0<\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">   def safe_while_loop\n     start_time = Time.now\n     iteration = 0\n\n     while condition\n       iteration += 1\n\n       # \u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u30c1\u30a7\u30c3\u30af\n       if Time.now - start_time &gt; 60  # 60\u79d2\u3067\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\n         raise \"Loop timeout exceeded\"\n       end\n\n       # \u30a4\u30c6\u30ec\u30fc\u30b7\u30e7\u30f3\u6570\u30c1\u30a7\u30c3\u30af\n       if iteration &gt; 10000\n         raise \"Too many iterations\"\n       end\n\n       # \u30c7\u30d0\u30c3\u30b0\u60c5\u5831\u306e\u51fa\u529b\n       puts \"Debug: Iteration #{iteration}\" if (iteration % 1000).zero?\n\n       # \u5b9f\u969b\u306e\u51e6\u7406\n       process_item\n     end\n   end<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li>\u30c6\u30b9\u30c8\u6226\u7565<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5883\u754c\u5024\u306e\u30c6\u30b9\u30c8<\/li>\n\n\n\n<li>\u30a8\u30c3\u30b8\u30b1\u30fc\u30b9\u306e\u7db2\u7f85<\/li>\n\n\n\n<li>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30c6\u30b9\u30c8<\/li>\n\n\n\n<li>\u4f8b\u5916\u51e6\u7406\u306e\u30c6\u30b9\u30c8<\/li>\n<\/ul>\n\n\n\n<p>\u30c7\u30d0\u30c3\u30b0\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8\uff1a<\/p>\n\n\n<div id=\"id-72ff0801-8d94-4696-bbbc-60be3785a957\">\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u6bb5\u968e<\/th><th>\u30c1\u30a7\u30c3\u30af\u9805\u76ee<\/th><th>\u5bfe\u7b56<\/th><\/tr><\/thead><tbody><tr><td>\u5b9f\u88c5\u524d<\/td><td>\u30eb\u30fc\u30d7\u306e\u7d42\u4e86\u6761\u4ef6<\/td><td>\u660e\u78ba\u306a\u7d42\u4e86\u6761\u4ef6\u306e\u8a2d\u5b9a<\/td><\/tr><tr><td>\u5b9f\u88c5\u524d<\/td><td>\u5909\u6570\u306e\u66f4\u65b0<\/td><td>\u30ab\u30a6\u30f3\u30bf\u30fc\u66f4\u65b0\u306e\u78ba\u8a8d<\/td><\/tr><tr><td>\u5b9f\u88c5\u6642<\/td><td>\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8<\/td><td>\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u6a5f\u69cb\u306e\u5b9f\u88c5<\/td><\/tr><tr><td>\u5b9f\u88c5\u6642<\/td><td>\u30ea\u30bd\u30fc\u30b9\u7ba1\u7406<\/td><td>\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u306e\u76e3\u8996<\/td><\/tr><tr><td>\u30c6\u30b9\u30c8\u6642<\/td><td>\u30a8\u30c3\u30b8\u30b1\u30fc\u30b9<\/td><td>\u5883\u754c\u5024\u30c6\u30b9\u30c8\u306e\u5b9f\u65bd<\/td><\/tr><tr><td>\u904b\u7528\u6642<\/td><td>\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0<\/td><td>\u30ed\u30b0\u51fa\u529b\u306e\u5b9f\u88c5<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n<p>\u3053\u308c\u3089\u306e\u30c7\u30d0\u30c3\u30b0\u30c6\u30af\u30cb\u30c3\u30af\u3092\u9069\u5207\u306b\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u3088\u308a\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u30eb\u30fc\u30d7\u51e6\u7406\u3092\u5b9f\u88c5\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Warning: 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