{"author_name":"hitode909","version":"1.0","height":"190","blog_url":"https://blog.sushi.money/","categories":[],"blog_title":"hitode909\u306e\u65e5\u8a18","image_url":"http://ecx.images-amazon.com/images/I/51UEaJSgPNL.jpg","type":"rich","title":" \u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0:Ruby\u30a8\u30c7\u30a3\u30b7\u30e7\u30f3\u3092\u8aad\u3093\u3060","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.sushi.money%2Fentry%2F20100618%2F1276852448\" title=\" \u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0:Ruby\u30a8\u30c7\u30a3\u30b7\u30e7\u30f3\u3092\u8aad\u3093\u3060 - hitode909\u306e\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_url":"https://hatena.blog","width":"100%","author_url":"https://blog.hatena.ne.jp/hitode909/","provider_name":"Hatena Blog","published":"2010-06-18 18:14:08","url":"https://blog.sushi.money/entry/20100618/1276852448","description":"\u30a2\u30b5\u30fc\u30b7\u30e7\u30f3\u306e\u5c0e\u5165\u3068\u3044\u3046\u306e\u304c\u7d39\u4ecb\u3055\u308c\u3066\u3044\u3066\uff0c\u4fbf\u5229\u305d\u3046\u3060\u3063\u305f\uff0e assert\u306b\u30d6\u30ed\u30c3\u30af\u3092\u6e21\u3057\u3066\uff0c\u7d50\u679c\u304c\u507d\u306e\u3068\u304d\u4f8b\u5916\u304c\u8d77\u304d\u308b\u3088\u3046\u306b\u3059\u308b\uff0e \u3053\u3046\u3044\u3046\u611f\u3058\uff0e module Assertions class AssertionError < StandardError end def assert(&block) yield or raise AssertionError end end class Human include Assertions def initialize(name) assert{ name != nil } @name = name end end Human.new(nil)\u2026"}