{"id":2012,"date":"2013-02-12T13:20:13","date_gmt":"2013-02-12T04:20:13","guid":{"rendered":"http:\/\/www.techscore.com\/blog\/?p=2012"},"modified":"2018-11-14T16:33:56","modified_gmt":"2018-11-14T07:33:56","slug":"ruby2-0%e3%81%ae%e3%82%ad%e3%83%bc%e3%83%af%e3%83%bc%e3%83%89%e5%bc%95%e6%95%b0%e3%81%a7%e9%9d%a2%e5%80%92%e4%ba%8b%e3%81%8b%e3%82%89%e3%81%95%e3%82%88%e3%81%86%e3%81%aa%e3%82%89","status":"publish","type":"post","link":"https:\/\/www.techscore.com\/blog\/2013\/02\/12\/ruby2-0%e3%81%ae%e3%82%ad%e3%83%bc%e3%83%af%e3%83%bc%e3%83%89%e5%bc%95%e6%95%b0%e3%81%a7%e9%9d%a2%e5%80%92%e4%ba%8b%e3%81%8b%e3%82%89%e3%81%95%e3%82%88%e3%81%86%e3%81%aa%e3%82%89\/","title":{"rendered":"Ruby2.0\u306e\u30ad\u30fc\u30ef\u30fc\u30c9\u5f15\u6570\u3067\u30aa\u30d7\u30b7\u30e7\u30ca\u30eb\u306a\u5f15\u6570\u306b\u307e\u3064\u308f\u308b\u9762\u5012\u4e8b\u304b\u3089\u3055\u3088\u3046\u306a\u3089"},"content":{"rendered":"<p>\u3053\u3093\u306b\u3061\u306f\u3001\u9234\u6728\u3067\u3059\u3002<\/p>\n<p>Ruby2.0 \u306e\u6b63\u5f0f\u7248\u30ea\u30ea\u30fc\u30b9\u304c\u8feb\u3063\u3066\u6765\u307e\u3057\u305f\u306d\uff01<br \/>\n\u30ea\u30ea\u30fc\u30b9\u4e88\u5b9a\u65e5\u306f Ruby \u306e 20 \u6b73\u306e\u8a95\u751f\u65e5\u3001\u4eca\u5e74\u306e 2\/24 (\u65e5) \u3067\u3059\u3002<br \/>\n\u975e\u5e38\u306b\u5f85\u3061\u9060\u3057\u3044\u3067\u3059\u3002<\/p>\n<p>\u958b\u767a\u4e2d\u306e Rails4.0 \u3082 Ruby2.0 \u63a8\u5968\u3068\u306a\u308a\u307e\u3057\u305f\u3002<br \/>\n\u3053\u3061\u3089\u3082\u30ea\u30ea\u30fc\u30b9\u304c\u3044\u3064\u306b\u306a\u308b\u306e\u304b\u3001\u52d5\u5411\u304c\u6c17\u306b\u306a\u308b\u3068\u3053\u308d\u3067\u3059\u3002<\/p>\n<p>\u4eca\u56de\u306f Ruby2.0 \u306e\u65b0\u6a5f\u80fd\u3001\u30ad\u30fc\u30ef\u30fc\u30c9\u5f15\u6570\u3092\u53d6\u308a\u4e0a\u3052\u307e\u3059\u3002<br \/>\n\u3068\u3044\u3063\u3066\u3082\u3001\u305d\u308c\u307b\u3069\u96e3\u3057\u3044\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<br \/>\n\u30ad\u30fc\u30ef\u30fc\u30c9\u5f15\u6570\u3068\u306f\u3001\u30e1\u30bd\u30c3\u30c9\u306e\u5404\u5f15\u6570\u306b\u540d\u524d\uff08\u30ad\u30fc\u30ef\u30fc\u30c9\uff09\u3092\u4ed8\u3051\u3066\u3001\u305d\u308c\u306b\u3088\u3063\u3066\u5f15\u6570\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u6a5f\u80fd\u3067\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>\u30aa\u30d7\u30b7\u30e7\u30ca\u30eb\u306a\u5f15\u6570\u306b\u307e\u3064\u308f\u308b\u9762\u5012\u4e8b<\/h2>\n<p>\u30aa\u30d7\u30b7\u30e7\u30ca\u30eb\u306a\u5f15\u6570\u3092\u6271\u3046\u4e00\u822c\u7684\u306a\u65b9\u6cd5\u306f 2 \u3064\u3042\u308a\u307e\u3059\u3002\u4e00\u3064\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u5f15\u6570\u3092\u4f7f\u7528\u3059\u308b\u65b9\u6cd5\u3001\u3082\u3046\u4e00\u3064\u306f\u30aa\u30d7\u30b7\u30e7\u30ca\u30eb\u306a\u5f15\u6570\u3092\u30cf\u30c3\u30b7\u30e5\u3067\u53d7\u3051\u6e21\u3057\u3059\u308b\u65b9\u6cd5\u3067\u3059\u3002<\/p>\n<h3>\u30c7\u30d5\u30a9\u30eb\u30c8\u5f15\u6570<\/h3>\n<p>\u30c7\u30d5\u30a9\u30eb\u30c8\u5f15\u6570\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u306e\u4f8b\u3067\u3059\u3002<\/p>\n<pre class=\"lang:ruby decode:true\">def welcome_message(message, name='\u30b2\u30b9\u30c8')\r\n  \"#{message}\u3001#{name}\u3055\u3093\"\r\nend<\/pre>\n<p>\u4e0a\u8a18\u306e welcome_message \u306f \u300c\u3053\u3093\u306b\u3061\u306f\u3001\u592a\u90ce\u3055\u3093\u300d\u306e\u3088\u3046\u306a\u6587\u5b57\u5217\u3092\u7d44\u307f\u7acb\u3066\u308b\u30e1\u30bd\u30c3\u30c9\u3067\u3059\u3002<\/p>\n<p>\u5f15\u6570\u306e name \u304c\u30aa\u30d7\u30b7\u30e7\u30ca\u30eb\u306a\u5f15\u6570\u3067\u3042\u308a\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\uff08\u5f15\u6570\u3092\u7701\u7565\u3057\u305f\u5834\u5408\u306e\u5024\uff09\u306f '\u30b2\u30b9\u30c8' \u3067\u3059\u3002<\/p>\n<p>\u30c7\u30d5\u30a9\u30eb\u30c8\u5f15\u6570\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u306e\u30c7\u30e1\u30ea\u30c3\u30c8\u3068\u3057\u3066\u3001<\/p>\n<ul>\n<li>\u6570\u304c\u5897\u3048\u305f\u5834\u5408\u306b\u5f15\u6570\u306e\u9806\u756a\u3092\u899a\u3048\u308b\u3053\u3068\u304c\u9762\u5012\uff08\u5f15\u6570\u306e\u6307\u5b9a\u9806\u3092\u9593\u9055\u3048\u3084\u3059\u3044\uff09\u3002<\/li>\n<li>3 \u756a\u76ee\u306e\u5f15\u6570\u306f\u660e\u793a\u7684\u306b\u6307\u5b9a\u3057\u305f\u3044\u304c\u30012 \u756a\u76ee\u306e\u5f15\u6570\u306f\u7701\u7565\uff08\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u3092\u4f7f\u7528\uff09\u3057\u305f\u3044\u5834\u5408\u306b 2 \u756a\u76ee\u306e\u5f15\u6570\u3082\u6307\u5b9a\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002<\/li>\n<\/ul>\n<p>\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u3053\u3067\u8003\u3048\u3089\u308c\u305f\u30a2\u30d7\u30ed\u30fc\u30c1\u304c\u3001\u30aa\u30d7\u30b7\u30e7\u30ca\u30eb\u306a\u5f15\u6570\u3092\u30cf\u30c3\u30b7\u30e5\u3067\u53d7\u3051\u6e21\u3057\u3059\u308b\u65b9\u6cd5\u3067\u3059\u3002<\/p>\n<h3>\u30aa\u30d7\u30b7\u30e7\u30ca\u30eb\u306a\u5f15\u6570\u3092\u4fdd\u6301\u3059\u308b\u30cf\u30c3\u30b7\u30e5<\/h3>\n<p>Rails \u3067\u7a4d\u6975\u7684\u306b\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u65b9\u6cd5\u3067\u3059\u3002<\/p>\n<pre class=\"lang:ruby decode:true\">def welcome_message(message, options={})\r\n  default_options = {name: '\u30b2\u30b9\u30c8'}\r\n  options = default_options.merge(options)\r\n  # \u7121\u52b9\u306a\u30ad\u30fc\u304c\u6e21\u3055\u308c\u305f\u5834\u5408\u306e\u30c1\u30a7\u30c3\u30af\u306f\u3069\u3046\u3057\u3088\u3046\u2026\r\n  \"#{message}\u3001#{options[:name]}\u3055\u3093\"\r\nend<\/pre>\n<p>\u4e0a\u8a18\u306e\u3088\u3046\u306b\u3001\u30aa\u30d7\u30b7\u30e7\u30ca\u30eb\u306a\u5f15\u6570\u306f options \u3068\u3044\u3046\u30cf\u30c3\u30b7\u30e5\u3067\u53d7\u3051\u53d6\u308a\u307e\u3059\u3002<\/p>\n<p>\u30e1\u30bd\u30c3\u30c9\u5185\u306e\u300coptions = default_options.merge(options)\u300d\u306e\u90e8\u5206\u3067\u306f\u3001\u7701\u7565\u3055\u308c\u305f\u5834\u5408\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u3092\u30de\u30fc\u30b8\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u30c7\u30d5\u30a9\u30eb\u30c8\u5f15\u6570\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u306e\u6b20\u70b9\u304c\u89e3\u6c7a\u3055\u308c\u3066\u3044\u308b\u4e00\u65b9\u3067\u3001<\/p>\n<ul>\n<li>\u6307\u5b9a\u53ef\u80fd\u306a\u5f15\u6570\u304c options \u3068\u3044\u3046\u30cf\u30c3\u30b7\u30e5\u306b\u96a0\u308c\u3066\u3057\u307e\u3063\u305f\uff08\u30b3\u30e1\u30f3\u30c8\u306b\u6307\u5b9a\u53ef\u80fd\u306a\u30ad\u30fc\u304c\u66f8\u304b\u308c\u3066\u3044\u306a\u3051\u308c\u3070\u5b9f\u88c5\u3092\u898b\u308b\u3057\u304b\u306a\u3044\uff09\u3002<\/li>\n<li>\u7121\u52b9\u306a\u30ad\u30fc\u304c\u6e21\u3055\u308c\u305f\u5834\u5408\u306e\u30c1\u30a7\u30c3\u30af\u3092\u3059\u308b\/\u3057\u306a\u3044\u3001\u3068\u3044\u3046\u554f\u984c\u304c\u3042\u308b\uff08\u30c1\u30a7\u30c3\u30af\u3057\u305f\u307b\u3046\u304c\u89aa\u5207\u3060\u3051\u308c\u3069\u3001\u30c1\u30a7\u30c3\u30af\u3059\u308b\u306e\u306f\u9762\u5012\uff09\u3002<\/li>\n<\/ul>\n<p>\u3068\u3044\u3046\u65b0\u305f\u306a\u554f\u984c\u3092\u5b55\u3093\u3067\u3044\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>\u30ad\u30fc\u30ef\u30fc\u30c9\u5f15\u6570\u3092\u4f7f\u3046<\/h2>\n<p>\u30ad\u30fc\u30ef\u30fc\u30c9\u5f15\u6570\u3092\u4f7f\u3046\u3068\u3001\u5177\u4f53\u7684\u306b\u3069\u306e\u3088\u3046\u306b\u5909\u308f\u308b\u306e\u304b\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3>\u30e1\u30bd\u30c3\u30c9\u306e\u5b9a\u7fa9<\/h3>\n<p>Before: \u3053\u308c\u304c\u3001<\/p>\n<pre class=\"lang:ruby decode:true\">def welcome_message(message, options={})<\/pre>\n<p>After: \u3053\u3046\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"lang:ruby decode:true\">def welcome_message(message, name: '\u30b2\u30b9\u30c8')<\/pre>\n<p>\u30aa\u30d7\u30b7\u30e7\u30ca\u30eb\u306a\u5f15\u6570\u3068\u3057\u3066\u4f55\u3092\u53d6\u308b\u306e\u304b\u3001\u3071\u3063\u3068\u898b\u305f\u3060\u3051\u3067\u5206\u304b\u308a\u307e\u3059\u306d\u3002<\/p>\n<h3>\u30e1\u30bd\u30c3\u30c9\u306e\u547c\u3073\u51fa\u3057<\/h3>\n<p>Before: \u3053\u308c\u304c\u3001<\/p>\n<pre class=\"lang:ruby decode:true\">welcome_message('\u3053\u3093\u3061\u306b\u306f', name: '\u592a\u90ce')<\/pre>\n<p>After: \u3053\u3046\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"lang:ruby decode:true\">welcome_message('\u3053\u3093\u306b\u3061\u306f', name: '\u592a\u90ce')<\/pre>\n<p>\u4f55\u3082\u5909\u308f\u308a\u307e\u305b\u3093\u3002<\/p>\n<h3>\u30e1\u30bd\u30c3\u30c9\u306e\u5b9f\u88c5<\/h3>\n<p>Before: \u30aa\u30d7\u30b7\u30e7\u30ca\u30eb\u306a\u5f15\u6570\u3092\u4fdd\u6301\u3059\u308b\u30cf\u30c3\u30b7\u30e5\u3068\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u3092\u6301\u3064\u30cf\u30c3\u30b7\u30e5\u3092\u30de\u30fc\u30b8\u3002\u7121\u52b9\u306a\u30ad\u30fc\u304c\u6e21\u3055\u308c\u305f\u5834\u5408\u306f\u30a8\u30e9\u30fc\u3068\u3057\u305f\u65b9\u304c\u89aa\u5207\u3060\u3068\u601d\u3044\u3064\u3064\u3001\u30c1\u30a7\u30c3\u30af\u304c\u9762\u5012\u3060\u3068\u3044\u3046\u5fc3\u306e\u845b\u85e4\u304c\u3042\u308b\uff08\u7d50\u69cb\u306a\u5272\u5408\u3067\u845b\u85e4\u306b\u8ca0\u3051\u308b\uff09\u3002\u3053\u308c\u304c\u3001<\/p>\n<pre class=\"lang:ruby decode:true\"># \u30a6\u30a7\u30eb\u30ab\u30e0\u30e1\u30c3\u30bb\u30fc\u30b8 (Ex. '\u3053\u3093\u306b\u3061\u306f\u3001\u592a\u90ce\u3055\u3093') \u3092\u751f\u6210\u3059\u308b.\r\ndef welcome_message(message, options={})\r\n  # \u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u3068\u30de\u30fc\u30b8\u3059\u308b.\r\n  default_options = {name: '\u30b2\u30b9\u30c8'}\r\n  options = default_options.merge(options)\r\n\r\n  # \u8a31\u53ef\u3057\u3066\u3044\u306a\u3044\u30ad\u30fc\u304c\u6e21\u3055\u308c\u305f\u5834\u5408\u306e\u30c1\u30a7\u30c3\u30af\u306f\u9762\u5012\u306a\u306e\u3067\u7701\u7565\u3057\u3088\u3046\u2026\r\n\r\n  # \u8868\u793a\u7528\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u69cb\u7bc9\u3059\u308b.\r\n  \"#{message}\u3001#{options[:name]}\u3055\u3093\"\r\nend<\/pre>\n<p>After: \u3053\u3046\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"lang:ruby decode:true\"># \u30a6\u30a7\u30eb\u30ab\u30e0\u30e1\u30c3\u30bb\u30fc\u30b8 (Ex. '\u3053\u3093\u306b\u3061\u306f\u3001\u592a\u90ce\u3055\u3093') \u3092\u751f\u6210\u3059\u308b.\r\ndef welcome_message(message, name: '\u30b2\u30b9\u30c8')\r\n  # \u8868\u793a\u7528\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u69cb\u7bc9\u3059\u308b.\r\n  \"#{message}\u3001#{name}\u3055\u3093\"\r\nend<\/pre>\n<p>\u968f\u5206\u3059\u3063\u304d\u308a\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>\u30ad\u30fc\u30ef\u30fc\u30c9\u5f15\u6570\u306e\u7279\u5fb4<\/h2>\n<p>\u30ad\u30fc\u30ef\u30fc\u30c9\u5f15\u6570\u306e\u7279\u5fb4\u3092\u307e\u3068\u3081\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u5f15\u6570\u306e\u9806\u756a\u3092\u6c17\u306b\u3057\u306a\u304f\u3066\u826f\u3044\uff08\u30cf\u30c3\u30b7\u30e5\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u3068\u540c\u3058\uff09\u3002<\/li>\n<li>\u30e1\u30bd\u30c3\u30c9\u306e\u30b7\u30b0\u30cd\u30c1\u30e3\u304b\u3089\u5f97\u3089\u308c\u308b\u60c5\u5831\u91cf\u304c\u591a\u3044\uff08\u30cf\u30c3\u30b7\u30e5\u3060\u3068\u4f55\u3092\u6e21\u3057\u3066\u826f\u3044\u306e\u304b\u5206\u304b\u3089\u306a\u3044\uff09\u3002<\/li>\n<li>\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u3068\u30de\u30fc\u30b8\u3059\u308b\u624b\u9593\u304c\u7121\u304f\u306a\u308b\uff08default_options.merge(options) \u3068\u3044\u3046\u5b9a\u578b\u53e5\u304c\u6d88\u3048\u308b\uff09\u3002<\/li>\n<li>\u30aa\u30d7\u30b7\u30e7\u30ca\u30eb\u306a\u5f15\u6570\u3092\u30c1\u30a7\u30c3\u30af\u3059\u308b\u624b\u9593\u304c\u7121\u304f\u306a\u308b\uff08\u7121\u52b9\u306a\u30ad\u30fc\u304c\u6e21\u3055\u308c\u305f\u5834\u5408\u306b\u30a8\u30e9\u30fc\u3068\u306a\u308b\uff09\u3002<\/li>\n<li>\u30ad\u30fc\u30ef\u30fc\u30c9\u306e\u540d\u524d\u304c\u5909\u66f4\u3055\u308c\u305f\u5834\u5408\u306b\u3001\u30e1\u30bd\u30c3\u30c9\u306e\u547c\u3073\u51fa\u3057\u5143\u3082\u5909\u66f4\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\uff08\u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0\u6642\u306e\u4fee\u6b63\u7b87\u6240\u304c\u5897\u3048\u308b\uff09\u3002<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2>\u30e1\u30bd\u30c3\u30c9\u306b\u6e21\u3059\u6700\u5f8c\u306e\u5f15\u6570\u304c\u30cf\u30c3\u30b7\u30e5\u306e\u5834\u5408\u306e\u554f\u984c<\/h2>\n<p>\u203b2013\/12\/22 \u8ffd\u8a18\uff1aRuby-2.0.0-p247 \u3067\u5fc5\u9808\u5f15\u6570\u3068\u30ad\u30fc\u30ef\u30fc\u30c9\u5f15\u6570\u306e\u512a\u5148\u9806\u4f4d\u304c\u5909\u66f4\u3055\u308c\u3001\u4ee5\u4e0b\u306e\u554f\u984c\u306f\u89e3\u6d88\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u30e1\u30bd\u30c3\u30c9\u306b\u6e21\u3059\u6700\u5f8c\u306e\u5f15\u6570\u304c\u30cf\u30c3\u30b7\u30e5\u306e\u5834\u5408\u306f\u3001ArgumentError \u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"lang:ruby decode:true\">def f(x, y, z: 777)\r\n  ...\r\nend\r\n\r\nx = 'Hello'\r\ny = {:abc =&gt; 123}\r\nf(x, y) # =&gt; unknown keyword: abc (ArgumentError)<\/pre>\n<p>\u3053\u308c\u306f\u3001\u4e0a\u8a18\u306e y \u304c\u5358\u306a\u308b\u30cf\u30c3\u30b7\u30e5\u306a\u306e\u304b\u3001\u30ad\u30fc\u30ef\u30fc\u30c9\u306e\u305f\u3081\u306e\u30cf\u30c3\u30b7\u30e5\u306a\u306e\u304b\u533a\u5225\u3059\u308b\u65b9\u6cd5\u304c\u7121\u3044\u305f\u3081\u3067\u3059\u3002<\/p>\n<p>\u3053\u306e\u52d5\u4f5c\u306f\u4ed5\u69d8\u3068\u306e\u3053\u3068\u3067\u3059\u3002<\/p>\n<ul>\n<li><a href=\"http:\/\/www.ruby-forum.com\/topic\/4408800\">[ruby-trunk - Bug #7529][Open] \u30ad\u30fc\u30ef\u30fc\u30c9\u5f15\u6570\u3092\u4f7f\u3046\u3068\u6700\u5f8c\u306e\u307b\u3046\u306e\u901a\u5e38\u306e\u5f15\u6570\u306b\u30cf\u30c3\u30b7\u30e5\u3092\u6e21\u305b\u306a\u3044\uff1f<\/a><\/li>\n<\/ul>\n<p>\u4e0a\u8a18\u30da\u30fc\u30b8\u3067\u306f\u3001\u6700\u5f8c\u306e\u5f15\u6570\u306b {} \u3092\u8ffd\u52a0\u3059\u308b\u3068\u3044\u3046\u5bfe\u5fdc\u7b56\u304c\u63d0\u793a\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3064\u307e\u308a\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8a18\u8ff0\u3059\u308c\u3070 ArgumentError \u306b\u306f\u306a\u308a\u307e\u305b\u3093\u3002<\/p>\n<pre class=\"lang:ruby decode:true\">f(x, y, {})<\/pre>\n<p>\u3053\u306e\u3088\u3046\u306a\u554f\u984c\u304c\u3042\u308b\u3053\u3068\u306f\u982d\u306e\u7247\u9685\u306b\u7559\u3081\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3053\u3093\u306b\u3061\u306f\u3001\u9234\u6728\u3067\u3059\u3002<\/p>\n<p>Ruby2.0 \u306e\u6b63\u5f0f\u7248\u30ea\u30ea\u30fc\u30b9\u304c\u8feb\u3063\u3066\u6765\u307e\u3057\u305f\u306d\uff01<br \/>\n\u30ea\u30ea\u30fc\u30b9\u4e88\u5b9a\u65e5\u306f Ruby \u306e 20 \u6b73\u306e\u8a95\u751f\u65e5\u3001\u4eca\u5e74\u306e 2\/24 (\u65e5) \u3067\u3059\u3002<br \/>\n\u975e\u5e38\u306b\u5f85\u3061\u9060\u3057\u3044\u3067\u3059\u3002<br \/><a href=\"https:\/\/www.techscore.com\/blog\/2013\/02\/12\/ruby2-0%e3%81%ae%e3%82%ad%e3%83%bc%e3%83%af%e3%83%bc%e3%83%89%e5%bc%95%e6%95%b0%e3%81%a7%e9%9d%a2%e5%80%92%e4%ba%8b%e3%81%8b%e3%82%89%e3%81%95%e3%82%88%e3%81%86%e3%81%aa%e3%82%89\/\">\u7d9a\u304d\u3092\u8aad\u3080...<\/a><\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[18],"tags":[24],"_links":{"self":[{"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/posts\/2012"}],"collection":[{"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/comments?post=2012"}],"version-history":[{"count":1,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/posts\/2012\/revisions"}],"predecessor-version":[{"id":17958,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/posts\/2012\/revisions\/17958"}],"wp:attachment":[{"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/media?parent=2012"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/categories?post=2012"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/tags?post=2012"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}