{"version":"1.0","categories":["Ruby"],"height":"190","type":"rich","title":"\u3010Ruby\u3011\u914d\u5217\u306e\u691c\u7d22\u30e1\u30bd\u30c3\u30c9\u307e\u3068\u3081","blog_url":"https://ml-rand-note.hatenablog.com/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fml-rand-note.hatenablog.com%2Fentry%2Fruby-array-search\" title=\"\u3010Ruby\u3011\u914d\u5217\u306e\u691c\u7d22\u30e1\u30bd\u30c3\u30c9\u307e\u3068\u3081 - \u30e9\u30f3\u30c9ML\" 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":"round-rand","provider_url":"https://hatena.blog","author_url":"https://blog.hatena.ne.jp/round-rand/","url":"https://ml-rand-note.hatenablog.com/entry/ruby-array-search","description":"find(detect)\uff1a\u6761\u4ef6\u306b\u4e00\u81f4\u3059\u308b\u6700\u521d\u306e\u8981\u7d20\u3092\u53d6\u5f97 index(find_index)\uff1a\u6761\u4ef6\u306b\u4e00\u81f4\u3059\u308b\u6700\u521d\u306e\u8981\u7d20\u306e\u4f4d\u7f6e\u3092\u53d6\u5f97 include?\uff1a\u8981\u7d20\u304c\u5b58\u5728\u3059\u308b\u304b\u3092\u78ba\u8a8d any?\uff1a\u6761\u4ef6\u306b\u4e00\u81f4\u3059\u308b\u8981\u7d20\u304c\u5b58\u5728\u3059\u308b\u304b all?\uff1a\u5168\u8981\u7d20\u304c\u6761\u4ef6\u306b\u4e00\u81f4\u3059\u308b\u304b none?\uff1a\u5168\u8981\u7d20\u304c\u6761\u4ef6\u306b\u4e00\u81f4\u3057\u306a\u3044\u304b \u53c2\u8003 find(detect)\uff1a\u6761\u4ef6\u306b\u4e00\u81f4\u3059\u308b\u6700\u521d\u306e\u8981\u7d20\u3092\u53d6\u5f97 find\u3068detect\u3067\u306f\u6307\u5b9a\u6761\u4ef6\u306b\u4e00\u81f4\u3059\u308b\u6700\u521d\u306e\u8981\u7d20\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002 ary = [1, 2, 3, 4] # \u5148\u982d\u304b\u3089\u6700\u3082\u8fd1\u3044\u5076\u6570\u3092\u53d6\u5f97 p ary.find{|n| n.even? } #=> 2 # \u6761\u4ef6\u3092\u6e80\u305f\u3059\u8981\u7d20\u304c\u306a\u3044\u5834\u5408\u306fnil\u3092\u8fd4\u2026","blog_title":"\u30e9\u30f3\u30c9ML","published":"2026-06-09 00:00:00","width":"100%","image_url":null,"provider_name":"Hatena Blog"}