{"url":"https://simanman.hatenablog.com/entry/2013/09/24/211044","height":"190","categories":["Ruby"],"width":"100%","author_name":"simanman","description":"Ruby\u3067\u306fHash\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u3092Hash.new\u306e\u5f15\u6570\u3068\u3057\u3066\u6e21\u3059\u3053\u3068\u3067\u5b9f\u73fe\u3067\u304d\u307e\u3059\u304c\u3001\u914d\u5217\u3092\u6e21\u3059\u3068\u540c\u3058\u53c2\u7167\u306b\u306a\u3063\u3066\u3057\u307e\u3046\u306e\u3067\u3046\u307e\u304f\u3044\u304d\u307e\u305b\u3093\u3002 list = Hash.new([]) list[:even] << 2 p list[:even] #=> [2] list[:odd] << 3 p list[:odd] #=> [2,3] [2] [2, 3] \u3067\u3059\u306e\u3067\u3001\u914d\u5217\u306e\u5834\u5408\u306f\u5c11\u3057\u9055\u3046\u66f8\u304d\u65b9\u3092\u3057\u306a\u3044\u3068\u3044\u3051\u307e\u305b\u3093\u3002 list = Hash.new{|hash, key| hash[key] = []} list[:even] << 2 p list[:even] #=> [2] list\u2026","type":"rich","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fsimanman.hatenablog.com%2Fentry%2F2013%2F09%2F24%2F211044\" title=\"Ruby\u3067\u30cf\u30c3\u30b7\u30e5\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u3092\u914d\u5217\u306b\u3059\u308b - siman\u306e\u30d6\u30ed\u30b0\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","published":"2013-09-24 21:10:44","author_url":"https://blog.hatena.ne.jp/simanman/","blog_url":"https://simanman.hatenablog.com/","version":"1.0","blog_title":"siman\u306e\u30d6\u30ed\u30b0","provider_url":"https://hatena.blog","image_url":null,"title":"Ruby\u3067\u30cf\u30c3\u30b7\u30e5\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u3092\u914d\u5217\u306b\u3059\u308b","provider_name":"Hatena Blog"}