{"type":"rich","published":"2013-10-17 16:00:00","provider_name":"Hatena Blog","provider_url":"https://hatena.blog","version":"1.0","author_url":"https://blog.hatena.ne.jp/xuwei/","blog_url":"https://xuwei-k.hatenablog.com/","author_name":"xuwei","description":"retronym\u3055\u3093(Scala\u306e\u30b3\u30df\u30c3\u30bf\u30fc\u306e\u4eba)\u304c Any and nothing are kind polymorphic in scala. https://groups.google.com/d/msg/scalaz/RTNLhIcFkIc/9uQHD618vDwJ\u3068\u8a00\u3063\u3066\u3044\u3066\u3001\u6df1\u304f\u8003\u3048\u305f\u3053\u3068\u306a\u304b\u3063\u305f\u3051\u3069\u3001\u305d\u3046\u3044\u3048\u3070\u305d\u3046\u306a\u306e\u304b\u30fc\u3068\u5999\u306b\u7d0d\u5f97\u3057\u305f\u306e\u3067\u30e1\u30e2\u3057\u3066\u304a\u304f\u3002*1 *1: twitter\u4e0a\u3092\u691c\u7d22\u3057\u305f\u3089\u3001runarorama\u3055\u3093\u304c\u3001\u6614\u540c\u3058\u3053\u3068\u8a00\u3063\u3066\u307e\u3059\u306d https://twitter.com/runarorama/status/200623505040089090 https://tw\u2026","width":"100%","height":"190","categories":["scala"],"url":"https://xuwei-k.hatenablog.com/entry/20131017/1381993200","title":"Scala\u306eAny\u3068Nothing\u306eKind","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fxuwei-k.hatenablog.com%2Fentry%2F20131017%2F1381993200\" title=\"Scala\u306eAny\u3068Nothing\u306eKind - xuwei-k&#39;s blog\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_title":"xuwei-k's blog","image_url":null}