{"url":"https://yarb.hatenadiary.org/entry/20081208/p1","blog_url":"https://yarb.hatenadiary.org/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fyarb.hatenadiary.org%2Fentry%2F20081208%2Fp1\" title=\"\u6f14\u7b97\u5b50\uff1f \u30e1\u30bd\u30c3\u30c9\uff1f - yarb\u306e\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","height":"190","provider_url":"https://hatena.blog","author_url":"https://blog.hatena.ne.jp/yarb/","author_name":"yarb","type":"rich","description":"\u6f14\u7b97\u5b50\u306e\u300c+\u300d\u3084\u300c-\u300d\u306f\u5b9f\u969b\u306b\u306f\u30e1\u30bd\u30c3\u30c9\u3002\u81ea\u5df1\u4ee3\u5165\u6f14\u7b97\u5b50\u306e\u300c+=\u300d\u306f\u30b7\u30f3\u30bf\u30c3\u30af\u30b9\u30fb\u30b7\u30e5\u30ac\u30fc\u3067\u3001\u5b9f\u969b\u306b\u306f\u300c+\u300d\u3067\u5b9a\u7fa9\u3055\u308c\u305f\u30e1\u30bd\u30c3\u30c9\u304c\u5c55\u958b\u3055\u308c\u3066\u3044\u308b\u3060\u3051\u3060\u3068\u3044\u3046\u3002\u6f14\u7b97\u5b50\u306b\u898b\u3048\u308b\u3082\u306e\u306f\u30e1\u30bd\u30c3\u30c9\u306a\u306e\u3067\u30aa\u30fc\u30d0\u30fc\u30e9\u30a4\u30c9\u3067\u304d\u308b\u3002 class Fixnum def +(n) self ** n end end irb(main):006:0> 3+4 => 81 irb(main):005:0> a = 3 => 3 irb(main):004:0> a += 4 => 81\u6f14\u7b97\u5b50\u306b\u898b\u3048\u308b\u3082\u306e\u3067\u3082\u300c+\u300d\u306f\u30e1\u30bd\u30c3\u30c9\u300c=\u300d\u300c!\u300d\u306a\u3069\u306f\u7d44\u307f\u8fbc\u307f\u306e\u6f14\u7b97\u5b50\u3068\u3044\u3046\u9055\u3044\u304c\u3042\u308b\u3002\u8cb7\u3063\u305f\u307e\u307e\u653e\u7f6e\u3057\u3066\u3044\u308bGauche\u306e\u5165\u9580\u672c\u306b\u3088\u2026","width":"100%","title":"\u6f14\u7b97\u5b50\uff1f \u30e1\u30bd\u30c3\u30c9\uff1f","published":"2008-12-08 00:00:00","provider_name":"Hatena Blog","categories":[],"image_url":null,"version":"1.0","blog_title":"yarb\u306e\u65e5\u8a18"}