{"title":" Class#def_initailize","width":"100%","description":"class Foo def initialize(foo, bar, baz) @foo = foo @bar = bar @baz = baz end end \u306f\u5404\u5909\u6570\u3092 3 \u56de\u3082\u66f8\u3044\u3066\u305c\u3093\u305c\u3093 DRY \u3058\u3083\u306a\u304f\u3066\u5acc\u3002 class Foo def initialize(*a) @foo, @bar, @baz = *a end end \u306f\u5f15\u6570\u306e\u30c1\u30a7\u30c3\u30af\u3092\u3057\u306a\u304f\u306a\u308b\u3057\u3001\u306a\u3093\u304b\u5acc\u3002 Foo = Struct.new(:foo, :bar, :baz) \u306f\u307e\u3042\u3044\u3044\u3093\u3060\u3051\u3069\u3001\u306a\u306b\u304b\u7d99\u627f\u3057\u305f\u3044\u3068\u304d\u306b\u56f0\u308b\u3057\u3001\u52dd\u624b\u306b\u30a2\u30af\u30bb\u30b5\u5b9a\u7fa9\u3055\u308c\u308b\u3057\u3001\u307e\u3042\u306a\u3093\u304b\u5acc\u3002 \u3068\u3044\u3046\u3053\u3068\u3067\u3001\u3053\u3093\u306a\u306e\u8003\u3048\u305f\u3002 class Foo \u2026","image_url":null,"provider_url":"https://hatena.blog","type":"rich","author_name":"ku-ma-me","version":"1.0","height":"190","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmametter.hatenablog.com%2Fentry%2F20090323%2Fp3\" title=\" Class#def_initailize - \u307e\u3081\u3081\u3082\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_url":"https://mametter.hatenablog.com/","provider_name":"Hatena Blog","author_url":"https://blog.hatena.ne.jp/ku-ma-me/","categories":["Ruby"],"published":"2009-03-23 00:00:02","url":"https://mametter.hatenablog.com/entry/20090323/p3","blog_title":"\u307e\u3081\u3081\u3082"}