{"author_name":"TechHotoke","width":"100%","version":"1.0","description":"Enumerable#each_with_object \u4e0e\u3048\u3089\u308c\u305f\u4efb\u610f\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3068\u8981\u7d20\u3092\u30d6\u30ed\u30c3\u30af\u306b\u6e21\u3057\u7e70\u308a\u8fd4\u3057\u3001\u6700\u521d\u306b\u4e0e\u3048\u3089\u308c\u305f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u8fd4\u3057\u307e\u3059\u3002 \u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9 \u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5f62\u3067\u3001\u3088\u308a\u95a2\u6570\u578b\u3063\u307d\u3044\u66f8\u304d\u65b9\u304c\u3067\u304d\u308b\u3002 str = \"hello world\" char_counts = {} str.each_char do |char| counts[char] = counts.fetch(char, 0) + 1 end puts char_counts str = \"hello world\" char_counts = str.each_char.with_object({}) \u2026","author_url":"https://blog.hatena.ne.jp/TechHotoke/","blog_url":"https://techhotoke.hatenablog.com/","blog_title":"Tech Hotoke Blog ","categories":[],"provider_name":"Hatena Blog","provider_url":"https://hatena.blog","height":"190","image_url":null,"url":"https://techhotoke.hatenablog.com/entry/2025/03/21/125036","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftechhotoke.hatenablog.com%2Fentry%2F2025%2F03%2F21%2F125036\" title=\"Ruby \u518d\u5165\u9580\u3000Enumerable#each_with_object - Tech Hotoke Blog \" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","type":"rich","title":"Ruby \u518d\u5165\u9580\u3000Enumerable#each_with_object","published":"2025-03-21 12:50:36"}