{"published":"2009-01-30 01:55:40","author_url":"https://blog.hatena.ne.jp/rubynews/","width":"100%","blog_url":"https://rubynews.hatenadiary.org/","title":"ruby \u306e inject \u3092\u308f\u304b\u308a\u3084\u3059\u304f\u8aac\u660e\u3057\u3066\u307f\u308b - Programming Must Go On  ","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Frubynews.hatenadiary.org%2Fentry%2F20090130%2F1233334540\" title=\"ruby \u306e inject \u3092\u308f\u304b\u308a\u3084\u3059\u304f\u8aac\u660e\u3057\u3066\u307f\u308b - Programming Must Go On   - RubyNews\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","description":"rubyruby \u306e inject \u3063\u3066\u6163\u308c\u306a\u3044\u3068\u5c11\u3057\u7406\u89e3\u3057\u3065\u3089\u3044\u3088\u306a\u30fc\u3068\u601d\u3063\u305f\u306e\u3067\u3001\u6975\u529b\u308f\u304b\u308a\u3084\u3059\u3044\u8aac\u660e\u3092\u3057\u3066\u307f\u308b\u30c6\u30b9\u30c8\u3002 \u308f\u304b\u308a\u3084\u3059\u3044\u304b\u3082\u3057\u308c\u306a\u3044\u8aac\u660e\u3055\u3066\u30011 \u304b\u3089 10 \u307e\u3067\u306e\u5408\u8a08\u3092\u6c42\u3081\u308b\u3053\u3093\u306a\u2193\u30b3\u30fc\u30c9\u304c\u3042\u3063\u305f\u5834\u5408sum = 0(1..10).each {|i| sum = sum + i }p sum # => 55inject \u3092\u4f7f\u3063\u3066\u3053\u306e\u3088\u3046\u2193\u306b\u66f8\u3051\u307e\u3059\u3002p (1..10).injec... http://d.hatena.ne.jp/kenkitii/20090114/ruby_inject inject\u304b\u308f\u3044\u3044\u3088\u3001inject \u8981\u306freduce\u3002\u30e1\u30bd\u30c3\u30c9\u4e2d\u306e\u4e00\u6642\u5909\u6570\u3092\u7247\u3063\u7aef\u304b\u3089\u2026","provider_name":"Hatena Blog","provider_url":"https://hatena.blog","version":"1.0","image_url":"http://screenshot.hatena.ne.jp/images/120x90/1/1/d/d/4/05f1e3e3d686176122f1cee95f2df6119cc.jpg","height":"190","categories":["NEWS"],"author_name":"rubynews","blog_title":"RubyNews","url":"https://rubynews.hatenadiary.org/entry/20090130/1233334540","type":"rich"}