{"type":"rich","blog_url":"https://tamata78.hatenablog.com/","categories":["Ruby","Ruby\u8cc7\u683c\u53d6\u5f97"],"description":"Enumerable\u30e2\u30b8\u30e5\u30fc\u30eb\u3068\u306f\uff1f map,collect\u30e1\u30bd\u30c3\u30c9 each_with_index\u30e1\u30bd\u30c3\u30c9 inject\u30e1\u30bd\u30c3\u30c9 \u4e00\u822c\u7684\u306a\u66f8\u304d\u65b9 \u30d6\u30ed\u30c3\u30af\u306a\u3057\u306e\u66f8\u304d\u65b9 group_by\u30e1\u30bd\u30c3\u30c9 zip\u30e1\u30bd\u30c3\u30c9 Enumerable\u30e2\u30b8\u30e5\u30fc\u30eb\u3068\u306f\uff1f Array\u30af\u30e9\u30b9\u3001Hash\u30af\u30e9\u30b9\u306a\u3069\u306b\u30a4\u30f3\u30af\u30eb\u30fc\u30c9\u3055\u308c\u3066\u3044\u308b\u30e2\u30b8\u30e5\u30fc\u30eb \u3059\u3079\u3066\u306e\u30e1\u30bd\u30c3\u30c9\u304ceach\u3092\u5143\u306b\u4f5c\u3089\u308c\u3066\u3044\u308b \u4ee3\u8868\u7684\u3067\u5fd8\u308c\u3084\u3059\u3044\u3082\u306e\u3092\u4ee5\u4e0b\u306b\u8a18\u8f09\u3059\u308b\u3002 map,collect\u30e1\u30bd\u30c3\u30c9 ['a','b','c'].map{|i| i.upcase} => [\"A\", \"B\", \"C\"] each_with_index\u30e1\u30bd\u30c3\u30c9 \u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u304c\u6b32\u2026","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftamata78.hatenablog.com%2Fentry%2F2015%2F11%2F06%2F221619\" title=\"Ruby Enumerable\u30e2\u30b8\u30e5\u30fc\u30eb - \u6c17\u8efd\u306b\u697d\u3057\u304f\u30d7\u30ed\u30b0\u30e9\u30e0\u3068\u904a\u3076\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_name":"tamata78","width":"100%","height":"190","image_url":null,"url":"https://tamata78.hatenablog.com/entry/2015/11/06/221619","title":"Ruby Enumerable\u30e2\u30b8\u30e5\u30fc\u30eb","published":"2015-11-06 22:16:19","provider_name":"Hatena Blog","version":"1.0","author_url":"https://blog.hatena.ne.jp/tamata78/","blog_title":"\u6c17\u8efd\u306b\u697d\u3057\u304f\u30d7\u30ed\u30b0\u30e9\u30e0\u3068\u904a\u3076","provider_url":"https://hatena.blog"}