{"title":"Ruby 2.6 \u306e\u5909\u66f4\u70b9 - KeyError, NameError, NoMethodError","blog_title":"tmtms \u306e\u30e1\u30e2","height":"190","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.tmtms.net%2Fentry%2F201812%2Fruby26-keyerror\" title=\"Ruby 2.6 \u306e\u5909\u66f4\u70b9 - KeyError, NameError, NoMethodError - 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>","categories":["Ruby","Ruby2.6"],"description":"Ruby2.6\u30a2\u30c9\u30d9\u30f3\u30c8\u30ab\u30ec\u30f3\u30c0\u30fc\u306e11\u65e5\u76ee\u306e\u8a18\u4e8b\u3067\u3059\u3002 qiita.com KeyError KeyError.new \u306b :receiver, :key \u30aa\u30d7\u30b7\u30e7\u30f3\u8ffd\u52a0 NameError NameError.new \u306b :receiver \u30aa\u30d7\u30b7\u30e7\u30f3\u8ffd\u52a0 NoMethodError NoMethodError.new \u306b :receiver \u30aa\u30d7\u30b7\u30e7\u30f3\u8ffd\u52a0 KeyError KeyError.new \u306b :receiver, :key \u30aa\u30d7\u30b7\u30e7\u30f3\u8ffd\u52a0 https://bugs.ruby-lang.org/issues/14313 KeyError \u306f Hash#fetch \u3067\u5b58\u5728\u3057\u306a\u3044\u30ad\u2026","author_url":"https://blog.hatena.ne.jp/tmtms/","version":"1.0","url":"https://blog.tmtms.net/entry/201812/ruby26-keyerror","type":"rich","provider_name":"Hatena Blog","provider_url":"https://hatena.blog","blog_url":"https://blog.tmtms.net/","published":"2018-12-11 00:00:00","width":"100%","image_url":null,"author_name":"tmtms"}