{"blog_title":"\u897f\u5c3e\u6cf0\u548c\u306e\u306f\u3066\u306a\u30c0\u30a4\u30a2\u30ea\u30fc","categories":["ruby"],"blog_url":"https://nishiohirokazu.hatenadiary.org/","author_name":"nishiohirokazu","author_url":"https://blog.hatena.ne.jp/nishiohirokazu/","type":"rich","width":"100%","title":"\u7279\u7570\u30e1\u30bd\u30c3\u30c9","image_url":null,"provider_name":"Hatena Blog","version":"1.0","description":"Integer\u306e+\u3092\u66f8\u304d\u63db\u3048\u3088\u3046\u3068\u3057\u305f\u304c\u3001\u6319\u52d5\u304c\u5909\u5316\u3057\u306a\u3044\u3002\u305f\u3076\u3093\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u6539\u5584\u306e\u305f\u3081\u306bInteger\u306e+\u306f\u4e0a\u66f8\u304d\u3067\u304d\u306a\u3044\u3088\u3046\u306b\u3057\u3066\u3044\u308b\u306e\u304b\u306a\u3068\u601d\u3046\u3051\u3069\u3001\u4f8b\u5916\u3068\u304b\u98db\u3070\u306a\u3044\u306e\u304b\u301c\u301c\uff1f\uff1f >> class Array >> def +(x) >> 0 >> end >> end => nil >> [] + 1 => 0 >> class Integer >> def +(x) >> 0 >> end >> end => nil >> 1 + 2 => 3 \u304a\u307e\u3051\uff1airb\u306e\u52d5\u3044\u3066\u3044\u308b\u30a4\u30f3\u30bf\u30d7\u30ea\u30bf\u81ea\u4f53\u306e\u30af\u30e9\u30b9\u3092\u66f8\u304d\u63db\u3048\u308b\u306e\u3067\u3001\u5185\u5bb9\u306b\u3088\u3063\u3066\u306firb\u81ea\u4f53\u304c\u843d\u3061\u308b\u3002 >> class String \u2026","provider_url":"https://hatena.blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fnishiohirokazu.hatenadiary.org%2Fentry%2F20080627%2F1214595267\" title=\"\u7279\u7570\u30e1\u30bd\u30c3\u30c9 - \u897f\u5c3e\u6cf0\u548c\u306e\u306f\u3066\u306a\u30c0\u30a4\u30a2\u30ea\u30fc\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","url":"https://nishiohirokazu.hatenadiary.org/entry/20080627/1214595267","height":"190","published":"2008-06-27 04:34:27"}