{"blog_title":"diskogs's diary","width":"100%","provider_name":"Hatena Blog","published":"2014-05-26 23:41:26","image_url":null,"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fdiskogs.hatenablog.com%2Fentry%2F2014%2F05%2F26%2F234126\" title=\"is_a? \u30e1\u30bd\u30c3\u30c9 - diskogs&#39;s diary\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_name":"diskogs","title":"is_a? \u30e1\u30bd\u30c3\u30c9","url":"https://diskogs.hatenablog.com/entry/2014/05/26/234126","author_url":"https://blog.hatena.ne.jp/diskogs/","provider_url":"https://hatena.blog","version":"1.0","height":"190","blog_url":"https://diskogs.hatenablog.com/","categories":[],"description":"obj.is_a?(Klass) obj\u304cKlass\u307e\u305f\u306f\u305d\u306e\u30b5\u30d6\u30af\u30e9\u30b9\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u304b\u3069\u3046\u304b\u3092\u5224\u5b9a\u3059\u308b\u3002 arr = [1, 2, 3] puts arr.kind_of?(Hash) puts arr.kind_of?(Array) puts arr.kind_of?(Object) puts arr.kind_of?(Enumerable) \u4f7f\u3044\u65b9 obj\u304cKlass\u3092\u30a4\u30f3\u30af\u30eb\u30fc\u30c9\u3057\u3066\u3044\u308b\u304b\u3092\u5224\u5b9a\u3059\u308b\u6642\u306b\u4f7f\u3048\u308b\u3002\u305d\u306e\u307e\u307e\u3060\u306a\u3002\u3002\u3002 module MyModule end class MyClass include MyModule end mc = MyClass.new puts mc\u2026","type":"rich"}