{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmasasuzu.hatenablog.jp%2Fentry%2F20090722%2F1248351926\" title=\"\u30c6\u30b9\u30c8\u99c6\u52d5\u958b\u767a\u5165\u9580\u3092Ruby\u3067\u5199\u7d4c\u3057\u3066\u307f\u305f\u30025 - \u76ee\u306e\u524d\u306b\u50d5\u3089\u306e\u9053\u304c\u3042\u308b\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_name":"masasuz","author_url":"https://blog.hatena.ne.jp/masasuz/","categories":["tdd","ruby"],"height":"190","title":"\u30c6\u30b9\u30c8\u99c6\u52d5\u958b\u767a\u5165\u9580\u3092Ruby\u3067\u5199\u7d4c\u3057\u3066\u307f\u305f\u30025","blog_title":"\u76ee\u306e\u524d\u306b\u50d5\u3089\u306e\u9053\u304c\u3042\u308b","blog_url":"https://masasuzu.hatenablog.jp/","provider_url":"https://hatena.blog","provider_name":"Hatena Blog","image_url":null,"url":"https://masasuzu.hatenablog.jp/entry/20090722/1248351926","published":"2009-07-22 21:25:26","description":"5\u7ae0\u3067\u5b9f\u65bd\u3057\u305f\u3053\u3068 Franc\u30af\u30e9\u30b9\u306e\u8ffd\u52a0 \u305f\u3060\u3057\u4e00\u756a\u6c5a\u3044\u5f62\u3067\u3002 money.rb #!/usr/bin/ruby #coding: utf-8 # \u30c6\u30b9\u30c8\u99c6\u52d5\u958b\u767a\u5165\u95805\u7ae0 \uff62\u30d5\u30e9\u30f3\u30af\uff63\u306b\u8a71\u3059 class Dollar attr_accessor :amount protected :amount def initialize(amount) @amount = amount end def *(multiplier) return Dollar.new(@amount * multiplier) end def ==(other) return @amount == other.amount\u2026","version":"1.0","width":"100%","type":"rich"}