{"image_url":null,"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fboxnos.hatenablog.com%2Fentry%2F20070826%2F1188126036\" title=\" Ruby\u3067\u81ea\u5df1\u66f8\u63db\u3048\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u4f5c\u308b\u3002 - \u30dc\u30af\u30ce\u30b9\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","version":"1.0","provider_name":"Hatena Blog","blog_url":"https://boxnos.hatenablog.com/","provider_url":"https://hatena.blog","author_url":"https://blog.hatena.ne.jp/tanakaBox/","published":"2007-08-26 20:00:36","categories":["Ruby"],"url":"https://boxnos.hatenablog.com/entry/20070826/1188126036","description":"\u306a\u3093\u3068\u306a\u304f\u3002 % ruby -e 'ex = lambda{|e| puts e}; b = binding; STDIN.each{|l| ex.call(eval(l, b))}' 1 + 2 3 ex = lambda{|e| print \"=> \"; puts e} # ex update #<Proc:0xb7f40a58@-e:1> 1 + 2 => 3 ex = lambda{|e| print \"=> \"; puts e; print \": \"} => #<Proc:0xb7f40760@-e:1> => nil : 1 + 2 => 3 : eval\u3067\u81ea\u5206\u81ea\u8eab\u3092\u66f8\u63db\u3048\u306a\u304c\u3089\u30d7\u2026","width":"100%","title":" Ruby\u3067\u81ea\u5df1\u66f8\u63db\u3048\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u4f5c\u308b\u3002","type":"rich","author_name":"tanakaBox","blog_title":"\u30dc\u30af\u30ce\u30b9","height":"190"}