{"author_url":"https://blog.hatena.ne.jp/zehnpaard/","author_name":"zehnpaard","type":"rich","height":"190","description":"\u524d\u56de\u306b\u7d9a\u3044\u3066\u30d0\u30ea\u30a2\u30f3\u30c8\u578b\u3092\u8ffd\u52a0\u3057\u3066\u3044\u304f\u8a71\u3002\u4eca\u56de\u306f\u30d0\u30ea\u30a2\u30f3\u30c8\u578b\u3092\u6271\u3046\u305f\u3081\u306e\u5f0f\u3068\u305d\u306e\u5f0f\u306b\u5bfe\u3059\u308b\u578b\u63a8\u8ad6\u306e\u30ed\u30b8\u30c3\u30af\u3092\u898b\u3066\u3044\u304f\u3002 \u5f0f \u30d0\u30ea\u30a2\u30f3\u30c8\u578b\u306e\u5024\u3092\u4f5c\u308bETag\u3068\u3001\u30d1\u30bf\u30fc\u30f3\u30de\u30c3\u30c1\u3067\u30d0\u30ea\u30a2\u30f3\u30c8\u306b\u4fdd\u6301\u3055\u308c\u3066\u3044\u308b\u5024\u3092\u53d6\u308a\u51fa\u3059ECase\u3092\u8ffd\u52a0\uff1a type exp = ... | ETag of string * exp * ty | ECase of exp * (string * string * exp) list * ty \u7b2c\u4e00\u306e\u30dd\u30a4\u30f3\u30c8\u3068\u3057\u3066\u3001\u3069\u3061\u3089\u3082\u6700\u5f8c\u306bty\u3092\u6301\u3063\u3066\u3044\u308b\u3053\u3068\u3002\u30ec\u30b3\u30fc\u30c9\u578b\u3068\u540c\u3058\u304f\u3001\u3042\u308b\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u7279\u5b9a\u306e\u4f4d\u7f6e\u3067\u4f7f\u308f\u308c\u308b\u30bf\u30b0\u306f\u578b\u63a8\u8ad6\u3059\u308b\u307e\u3067\u3082\u306a\u304f\u4f55\u306e\u578b\u304b\u308f\u304b\u308b\uff08\u3059\u3067\u306b\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u308b\u30d0\u30ea\u2026","image_url":null,"published":"2022-11-09 19:58:12","blog_url":"https://zehnpaard.hatenablog.com/","provider_name":"Hatena Blog","provider_url":"https://hatena.blog","title":"Hindley Milner\u578b\u63a8\u8ad6\u306b\u6a5f\u80fd\u3092\u8ffd\u52a0\u3057\u3066\u3044\u304f\uff17 Variant\u578b\u306e\u8ffd\u52a0\uff08\u5f8c\u7de8\uff09","categories":["OCaml","\u578b\u7406\u8ad6","\u8a00\u8a9e\u51e6\u7406\u7cfb"],"version":"1.0","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fzehnpaard.hatenablog.com%2Fentry%2F2022%2F11%2F09%2F195812\" title=\"Hindley Milner\u578b\u63a8\u8ad6\u306b\u6a5f\u80fd\u3092\u8ffd\u52a0\u3057\u3066\u3044\u304f\uff17 Variant\u578b\u306e\u8ffd\u52a0\uff08\u5f8c\u7de8\uff09 - Arantium Maestum\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","url":"https://zehnpaard.hatenablog.com/entry/2022/11/09/195812","width":"100%","blog_title":"Arantium Maestum"}