{"description":"\u3053\u308c\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u308b\u4f8b\u3092\u96d1\u306b\u30b0\u30b0\u3063\u3066\u3082\u898b\u3064\u3051\u3089\u308c\u306a\u304b\u3063\u305f\u306e\u3067\u3059\u304c\u3001\u3088\u304f\u8003\u3048\u305f\u3089\u7d44\u307f\u5408\u308f\u305b\u305f\u3089\u305d\u308c\u306a\u308a\u306b\u4fbf\u5229\u3068\u3044\u3046\u304b\u3001\u52a3\u5316\u7248Haskell\u306eCoercible\u3068\u8a00\u3048\u306a\u304f\u3082\u306a\u3044\u306e\u3067\u306f\uff1f\uff1f\uff1f\u3068\u4eca\u66f4\u6c17\u304c\u3064\u3044\u305f\u306e\u3067\u3001\u305d\u308c\u306b\u3064\u3044\u3066\u66f8\u304d\u307e\u3059\u3002","blog_title":"xuwei-k's blog","categories":["scala","haskell"],"author_url":"https://blog.hatena.ne.jp/xuwei/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fxuwei-k.hatenablog.com%2Fentry%2F2025%2F11%2F22%2F210719\" title=\"Scala 3\u306eopaque type\u3068generalized type constraints - 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>","published":"2025-11-22 21:07:19","width":"100%","height":"190","title":"Scala 3\u306eopaque type\u3068generalized type constraints","type":"rich","image_url":null,"blog_url":"https://xuwei-k.hatenablog.com/","provider_name":"Hatena Blog","version":"1.0","url":"https://xuwei-k.hatenablog.com/entry/2025/11/22/210719","author_name":"xuwei","provider_url":"https://hatena.blog"}