{"image_url":null,"url":"https://rubytips86.hatenablog.com/entry/2014/03/26/071134","blog_url":"https://rubytips86.hatenablog.com/","blog_title":"Ruby Tips!","height":"190","published":"2014-03-26 07:11:34","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Frubytips86.hatenablog.com%2Fentry%2F2014%2F03%2F26%2F071134\" title=\"\u30d6\u30ed\u30c3\u30af\u3092\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u53d6\u308b\u30e1\u30bd\u30c3\u30c9\u3092\u5b9a\u7fa9\u3059\u308b - Ruby Tips!\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","description":"\u30e1\u30bd\u30c3\u30c9\u304c\u547c\u3073\u51fa\u3055\u308c\u305f\u6642\u306b\u30d6\u30ed\u30c3\u30af\u304c\u6e21\u3055\u308c\u305f\u304b\u3069\u3046\u304b\u306fblock_given?\u3067\u5224\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002\u3053\u308c\u3092\u4f7f\u3048\u3070\u30d6\u30ed\u30c3\u30af\u304c\u6e21\u3055\u308c\u305f\u5834\u5408\u3001\u6e21\u3055\u308c\u306a\u304b\u3063\u305f\u5834\u5408\u3001\u4e21\u65b9\u306b\u5bfe\u5fdc\u3057\u305f\u30e1\u30bd\u30c3\u30c9\u3092\u5b9a\u7fa9\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002 def method() if block_given? # \u30d6\u30ed\u30c3\u30af\u3042\u308a else # \u30d6\u30ed\u30c3\u30af\u306a\u3057 end end \u30d6\u30ed\u30c3\u30af\u5f15\u6570\u3092\u4f7f\u3063\u3066\u30d6\u30ed\u30c3\u30af\u3092Proc\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u53d7\u3051\u53d6\u308b\u30e1\u30bd\u30c3\u30c9\u306e\u5834\u5408\u3001\u30d6\u30ed\u30c3\u30af\u304c\u6e21\u3055\u308c\u306a\u304b\u3063\u305f\u6642\u3001\u30d6\u30ed\u30c3\u30af\u5f15\u6570\u306fnil\u3068\u306a\u308b\u3002\u4ee5\u4e0b\u3067\u3082\u540c\u69d8\u306b\u30d6\u30ed\u30c3\u30af\u304c\u6e21\u3055\u308c\u305f\u5834\u5408\u3001\u6e21\u3055\u308c\u306a\u304b\u3063\u305f\u5834\u5408\u306e\u4e21\u65b9\u306b\u30e1\u30bd\u30c3\u30c9\u3092\u5bfe\u5fdc\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002 def method(&blk) if b\u2026","author_name":"rubytips86","version":"1.0","title":"\u30d6\u30ed\u30c3\u30af\u3092\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u53d6\u308b\u30e1\u30bd\u30c3\u30c9\u3092\u5b9a\u7fa9\u3059\u308b","author_url":"https://blog.hatena.ne.jp/rubytips86/","categories":[],"type":"rich","provider_name":"Hatena Blog","width":"100%","provider_url":"https://hatena.blog"}