{"image_url":"http://cdn-ak.f.st-hatena.com/images/fotolife/b/basyura/20130119/20130119221330.jpg","categories":["ruby"],"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.basyura.org%2Fentry%2F2013%2F01%2F19%2F224725\" title=\"\u9ce5\u53d6Ruby\u4f1a\u3010\u3068\u3063\u3068\u308b\u3073\u30fc\u3011\u3000\u7b2c\uff11\uff11\u56de - basyura&#39;s blog\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_title":"basyura's blog","title":"\u9ce5\u53d6Ruby\u4f1a\u3010\u3068\u3063\u3068\u308b\u3073\u30fc\u3011\u3000\u7b2c\uff11\uff11\u56de","type":"rich","published":"2013-01-19 22:47:25","provider_name":"Hatena Blog","height":"190","width":"100%","version":"1.0","author_url":"https://blog.hatena.ne.jp/basyura/","author_name":"basyura","url":"https://blog.basyura.org/entry/2013/01/19/224725","blog_url":"https://blog.basyura.org/","provider_url":"https://hatena.blog","description":"http://tweetvite.com/event/tottoruby_11 Ruby2.0 Enumerable#lazy @hamajyotan\u3055\u3093 \u9000\u793e \u2192 \u30aa\u30d5\u30a3\u30b9 \u30a6\u30fc\u30e0 \u8a2d\u7acb \u2192 \u6cd5\u4eba\u5316(\u4e88\u5b9a) \u30a2\u30b0\u30ec\u30c3\u30b7\u30d6\u3084\u3002lazy \u3092\u8a66\u305d\u3046\u3068 Ruby 2.0.0-rc1 \u3092\u5165\u308c\u3088\u3046\u3068\u3057\u305f\u3089\u9577\u3089\u304f rvm \u3092\u4f7f\u3063\u3066\u3044\u306a\u304b\u3063\u305f\u306e\u3067\u4f7f\u3044\u65b9\u3092\u5fd8\u308c\u3066\u3044\u305f\u306a\u3069\u3002 \u7121\u4e8b\u521d lazy \u3092\u30ad\u30e1\u3089\u308c\u305f\u3002 require 'prime' puts Prime.lazy.select {|x| (x % 10) == 1}.first(10) \u5185\u90e8\u7684\u306b\u306f\u3069\u3046\u3084\u3063\u3066\u3093\u306e\u304b\u306a\u3041\u3002\u6700\u521d\u306e 10 \u500b\u3092\u8fd4\u3059\u3053\u3068\u3092\u5224\u65ad\u3057\u305f\u2026"}