{"author_name":"m_seki","title":"Fixnum\u306e\u8a71 (\u30b3\u30e9\u30e0\u5019\u88dc\u306e\u3084\u3064)","blog_url":"https://druby.hatenablog.com/","version":"1.0","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fdruby.hatenablog.com%2Fentry%2F20110906%2Fp1\" title=\"Fixnum\u306e\u8a71 (\u30b3\u30e9\u30e0\u5019\u88dc\u306e\u3084\u3064) - @m_seki \u306e\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_name":"Hatena Blog","blog_title":"@m_seki \u306e","image_url":null,"published":"2011-09-06 00:00:00","height":"190","width":"100%","author_url":"https://blog.hatena.ne.jp/m_seki/","provider_url":"https://hatena.blog","description":"64bit\u74b0\u5883\u306eRuby\u3067\u73fe\u5728\u306eDrip\u306e\u5909\u63db\u898f\u5247\u3092\u4f7f\u3063\u3068\u304d\u3001Fixnum\u3067\u8868\u73fe\u3067\u304d\u308b\u306e\u306f\u3069\u308c\u304f\u3089\u3044\u304b\u3001\u8a08\u7b97\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u307e\u305aFixnum\u306e\u6700\u5927\u306e\u6574\u6570\u3092\u63a2\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u300264bit\u3067\u3059\u304b\u3089\u3001\u305d\u3053\u304b\u3089\u9806\u306b\u5c0f\u3055\u304f\u3057\u3066\u307f\u307e\u3059\u3002 >> (2 ** 64).class => Bignum >> (2 ** 63).class => Bignum >> (2 ** 62).class => Bignum >> (2 ** 61).class => Fixnum 2 ** 62 \u3068 2 ** 61 \u306e\u9593\u306bBignum\u3068Fixnum\u306e\u5883\u754c\u304c\u3042\u308a\u305d\u3046\u3067\u3059\u30022 ** 62 - 1\u3067\u8a66\u3057\u307e\u3059\u3002 >> (2 ** \u2026","categories":[],"url":"https://druby.hatenablog.com/entry/20110906/p1","type":"rich"}