{"type":"rich","categories":["Ruby","\u672c"],"author_url":"https://blog.hatena.ne.jp/soukouki/","blog_url":"https://soukouki.hatenablog.jp/","image_url":null,"blog_title":"soukouki\u2019s diary","url":"https://soukouki.hatenablog.jp/entry/2016/07/18/185258","author_name":"soukouki","title":"\u30e1\u30bf\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0Ruby\u3092\u8aad\u3093\u3067(3)","version":"1.0","provider_url":"https://hatena.blog","description":"\u524d\u56de 5.5\u307e\u3067(\u4e00\u90e8\u7406\u89e3\u3067\u304d\u3066\u306a\u3044) \u7279\u7570\u30e1\u30bd\u30c3\u30c9 a = [1,2,3] b = [1,2,3] c = a def a.xx self.inject(:+) end a.xx # => 6 b.xx # NoMethodError: undefined method `xx' for [1, 2, 3]:Array c.xx # => 6 [1,2,3].xx # NoMethodError: undefined method `xx' for [1, 2, 3]:Array c = a c.xx # => 6 c.clone.xx # => 6 c.dup.xx # NoMethodE\u2026","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fsoukouki.hatenablog.jp%2Fentry%2F2016%2F07%2F18%2F185258\" title=\"\u30e1\u30bf\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0Ruby\u3092\u8aad\u3093\u3067(3) - soukouki\u2019s diary\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","width":"100%","provider_name":"Hatena Blog","published":"2016-07-18 18:52:58","height":"190"}