{"version":"1.0","blog_title":"tmtms \u306e\u30e1\u30e2","url":"https://blog.tmtms.net/entry/2015/12/14/crystal","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.tmtms.net%2Fentry%2F2015%2F12%2F14%2Fcrystal\" title=\"Crystal \u306f nil.to_i \u304c\u30a8\u30e9\u30fc\u306b\u306a\u3063\u3066\u3064\u3089\u3044 - tmtms \u306e\u30e1\u30e2\" 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","provider_url":"https://hatena.blog","published":"2015-12-14 00:00:00","image_url":null,"description":"\u3053\u308c\u306f\u300cRuby\u8133\u306b\u306fCrystal\u3064\u3089\u3044 Advent Calendar 2015\u300d\u306e14\u65e5\u76ee\u306e\u8a18\u4e8b\u3067\u3059\u3002 qiita.com Ruby \u3067\u306f nil.to_i \u306f 0 \u306b\u306a\u308a\u307e\u3059\u304c\u3001Crystal \u3067\u306f\u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u30a8\u30e9\u30fc\u306b\u306a\u308a\u307e\u3059\u3002 % crystal eval 'nil.to_i' Error in line 1: undefined method 'to_i' for Nil (did you mean 'to_s'?) \u3061\u3087\u3063\u3068\u3064\u3089\u3044\u3002","title":"Crystal \u306f nil.to_i \u304c\u30a8\u30e9\u30fc\u306b\u306a\u3063\u3066\u3064\u3089\u3044","blog_url":"https://blog.tmtms.net/","width":"100%","provider_name":"Hatena Blog","categories":["Crystal","Ruby"],"height":"190","author_name":"tmtms","author_url":"https://blog.hatena.ne.jp/tmtms/"}