{"image_url":null,"version":"1.0","blog_url":"https://blog.tmtms.net/","categories":["Crystal","Ruby"],"type":"rich","provider_url":"https://hatena.blog","height":"190","blog_title":"tmtms \u306e\u30e1\u30e2","description":"\u3053\u308c\u306f\u300cRuby\u8133\u306b\u306fCrystal\u3064\u3089\u3044 Advent Calendar 2015\u300d\u306e25\u65e5\u76ee\u306e\u8a18\u4e8b\u3067\u3059\u3002 qiita.com Ruby \u306e\u540d\u524d\u4ed8\u304d\u5f15\u6570\u306e\u4f8b\u3067\u3059\u3002 def hoge(a, b=1, c: 2) p [a, b, c] end hoge(123) #=> [123, 1, 2] hoge(123, 456) #=> [123, 456, 2] hoge(123, c: 789) #=> [123, 1, 789] hoge(123, 456, c: 789) #=> [123, 456, 789] a \u306f\u901a\u5e38\u306e\u5f15\u6570\u3001b \u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u3092\u6301\u3064\u5f15\u6570\u3001c \u306f\u540d\u524d\u4ed8\u304d\u5f15\u6570\u3067\u3059\u3002 \u540d\u524d\u4ed8\u2026","author_url":"https://blog.hatena.ne.jp/tmtms/","url":"https://blog.tmtms.net/entry/2015/12/25/crystal","title":"Crystal \u306e\u540d\u524d\u4ed8\u304d\u5f15\u6570\u306f\u81ea\u7136\u306b\u66f8\u3051\u3066\u3064\u3089\u304f\u306a\u3044","author_name":"tmtms","published":"2015-12-25 00:00:00","html":"","width":"100%","provider_name":"Hatena Blog"}