{"blog_title":"( \ua4aa\u2313\ua4aa) \u3086\u308b\u3088\u308d\u65e5\u8a18","version":"1.0","published":"2010-09-14 22:35:01","url":"https://yuroyoro.hatenablog.com/entry/20100914/1284471301","title":"Scala\u3067&lt;:&lt;\u3068\u304b=:=\u3092\u4f7f\u3063\u305fgeneralized type constraints\u304c\u30b9\u30b4\u3059\u304e\u3066\u611f\u52d5\u3057\u305f\u8a71","author_url":"https://blog.hatena.ne.jp/yuroyoro/","blog_url":"https://yuroyoro.hatenablog.com/","height":"190","provider_name":"Hatena Blog","type":"rich","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fyuroyoro.hatenablog.com%2Fentry%2F20100914%2F1284471301\" title=\"Scala\u3067&amp;lt;:&amp;lt;\u3068\u304b=:=\u3092\u4f7f\u3063\u305fgeneralized type constraints\u304c\u30b9\u30b4\u3059\u304e\u3066\u611f\u52d5\u3057\u305f\u8a71 - ( \ua4aa\u2313\ua4aa) \u3086\u308b\u3088\u308d\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","author_name":"yuroyoro","image_url":null,"categories":["scala"],"width":"100%","description":"Scala2.8\u304b\u3089\u3001Predef\u306b<:<\u3068\u304b=:=\u3068\u304b\u304c\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u3066\u3001\u3053\u308c\u306a\u3093\u3060\u308d?\u3068\u305a\u30fc\u3063\u3068\u7591\u554f\u3060\u3063\u305f\u8a33\u3067\u3059\u3088\u3002\u3067\u3001\u3064\u3044\u3063\u305f\u30fc\u3067\u8cea\u554f\u6295\u3052\u3066\u305f\u3089\u3084\u3063\u3068\u7406\u89e3\u3067\u304d\u307e\u3057\u305f\u3002 \u6559\u3048\u3066\u9802\u3044\u305f @ScalaTohoku \u3055\u3093\u3001@okomok \u3055\u3093\u3001@tioa \u3055\u3093\u3001\u6709\u308a\u96e3\u3046\u3054\u3056\u3044\u307e\u3057\u305f! \"generalized type constraints\"\u3068\u3044\u3046\u30e4\u30c4\u3067\u3001\u578b\u30d1\u30e9\u30e1\u30fc\u30bf\u306b\u4e0e\u3048\u3089\u308c\u305f\u578b\u304c\u3001\u7279\u5b9a\u306e\u6761\u4ef6\u3092\u6e80\u305f\u3059\u5834\u5408\u306b\u306e\u307f\u547c\u3073\u51fa\u305b\u308b\u30e1\u30bd\u30c3\u30c9\u3092\u5b9a\u7fa9\u3067\u304d\u308b\u3068\u3044\u3046\u3082\u306e\u3067\u3059\u3002\u3057\u304b\u3082\u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u306b\u9759\u7684\u306b\u30c1\u30a7\u30c3\u30af\u3055\u308c\u308b!! \u3053\u308c\u306f\u30b9\u30b4\u3044!!What do <:<, <%<, and =:= mean in Scala\u2026"}