{"categories":["Ruby"],"width":"100%","version":"1.0","published":"2023-12-07 10:52:53","provider_url":"https://hatena.blog","blog_url":"https://karlley.hatenablog.jp/","author_url":"https://blog.hatena.ne.jp/karlley_jp/","description":"\u7d50\u8ad6 \u30d6\u30ed\u30c3\u30af\u51e6\u7406\u3092\u3088\u308a\u5b8c\u7d50\u306b\u66f8\u3051\u308b\u8a18\u6cd5\u3002 \u30a4\u30f3\u30b9\u30bf\u30f3\u30b9.{ |\u30d6\u30ed\u30c3\u30af\u30d1\u30e9\u30e1\u30fc\u30bf| \u30d6\u30ed\u30c3\u30af\u30d1\u30e9\u30e1\u30fc\u30bf.\u30e1\u30bd\u30c3\u30c9\u540d } \u3092(&:\u30e1\u30bd\u30c3\u30c9\u540d) \u3067\u66f8\u3051\u308b &:\u30e1\u30bd\u30c3\u30c9\u540d \u3067\u8a18\u8ff0\u3059\u308b\u306b\u306f\u7279\u5b9a\u306e\u6761\u4ef6\u304c\u3042\u308b \u901a\u79f0\u306f\u300c\u3042\u3093\u3053\u308d\u300d\u3089\u3057\u3044\u3002 \u8a18\u8ff0\u4f8b \u6587\u5b57\u5217\u306e\u5165\u3063\u305f\u914d\u5217\u3092upcase \u30e1\u30bd\u30c3\u30c9\u3067\u5927\u6587\u5b57\u5316\u3059\u308b\u51e6\u7406\u3067\u3059\u3002 \u30d6\u30ed\u30c3\u30af\u3092\u4f7f\u3063\u305f\u8a18\u8ff0\u3092\u3092&: \u3067\u7f6e\u304d\u63db\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 # \u30d6\u30ed\u30c3\u30af\u4f7f\u3063\u305f\u8a18\u8ff0 [\"a\",\"b\",\"c\"].map{ |s| s.upcase } => [\"A\", \"B\", \"C\"] # &:\u3092\u4f7f\u3063\u305f\u8a18\u8ff0 [\"a\",\"b\",\"c\"].map(&:upcase) => [\"A\", \"B\",\u2026","url":"https://karlley.hatenablog.jp/entry/2023/12/07/105253","author_name":"karlley_jp","blog_title":"\u6642\u3005\u3068\u304a\u307e\u308f\u308a","image_url":null,"title":"Ruby\u306e&:\u306e\u610f\u5473","height":"190","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkarlley.hatenablog.jp%2Fentry%2F2023%2F12%2F07%2F105253\" title=\"Ruby\u306e&amp;:\u306e\u610f\u5473 - \u6642\u3005\u3068\u304a\u307e\u308f\u308a\" 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","type":"rich"}