{"title":"-Hejlsberg","description":"Hejlsberg: Oh, certainly. If I give you a List typed as object, I can ask it, \"What are you?\" And it will say, \"I am a list of customers.\" It'll say, \"I'm a List, where T is Customer.\" Then I can say, \"Well, why don't you give me just the System.Type for List? And in fact, why don't you bind T to Or\u2026","image_url":null,"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmk.hatenablog.com%2Fentry%2F20060130%2F1138601790\" title=\"-Hejlsberg - \u307e\u3055\u305f\u304b\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","published":"2006-01-30 15:16:30","author_url":"https://blog.hatena.ne.jp/masataka_k/","blog_url":"https://mk.hatenablog.com/","width":"100%","url":"https://mk.hatenablog.com/entry/20060130/1138601790","author_name":"masataka_k","blog_title":"\u307e\u3055\u305f\u304b\u65e5\u8a18","version":"1.0","categories":["other"],"type":"rich","height":"190","provider_name":"Hatena Blog"}