{"blog_title":"Just do IT","image_url":null,"description":"\u3084\u308a\u305f\u3044\u3053\u3068 \u3042\u308b\u914d\u5217\u306b\u5165\u3063\u305f\u8981\u7d20\u3092\u3072\u3068\u3064\u305a\u3064\u78ba\u8a8d\u3057\u3066\u3001\u5f15\u6570\u306b\u6e21\u3057\u305f\u8981\u7d20\u3068\u6bd4\u8f03\u3057\u3001\u5408\u81f4\u3057\u305f\u5834\u5408\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u53d6\u5f97\u3057\u305f\u3044\u3002 \u65b9\u6cd5 index\u3084find_index\u304c\u4f7f\u3048\u308b\u3002 \u6307\u5b9a\u3055\u308c\u305f val \u3068 == \u3067\u7b49\u3057\u3044\u6700\u521d\u306e\u8981\u7d20\u306e\u4f4d\u7f6e\u3092\u8fd4\u3057\u307e\u3059\u3002\u7b49\u3057\u3044\u8981\u7d20\u304c\u3072\u3068\u3064\u3082\u306a\u304b\u3063\u305f\u5834\u5408\u306f nil \u3092\u8fd4\u3057\u307e\u3059\u3002 Array#find_index (Ruby 2.7.0 \u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u30de\u30cb\u30e5\u30a2\u30eb) \u4eca\u56de\u306f find_index \u3092\u4f7f\u3063\u3066\u307f\u308b\u3002 ary = %w(hoge bar baz hage) #hage\u304c\u914d\u5217\u306e\u4f55\u756a\u76ee\u306b\u3042\u308b\u304b\u77e5\u308a\u305f\u3044 puts ary.find_index(\"hage\") \u7d50\u679c $ ruby\u2026","author_name":"K_Koh","blog_url":"https://k-koh.hatenablog.com/","title":"Ruby \u3067\u914d\u5217\u304b\u3089\u6761\u4ef6\u306b\u4e00\u81f4\u3059\u308b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u53d6\u5f97\u3057\u305f\u3044","url":"https://k-koh.hatenablog.com/entry/2020/09/06/203243","type":"rich","height":"190","provider_url":"https://hatena.blog","categories":["Ruby"],"width":"100%","provider_name":"Hatena Blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fk-koh.hatenablog.com%2Fentry%2F2020%2F09%2F06%2F203243\" title=\"Ruby \u3067\u914d\u5217\u304b\u3089\u6761\u4ef6\u306b\u4e00\u81f4\u3059\u308b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u53d6\u5f97\u3057\u305f\u3044 - Just do IT\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","published":"2020-09-06 20:32:43","author_url":"https://blog.hatena.ne.jp/K_Koh/","version":"1.0"}