{"description":"\u524d\u56de\u306b\u7d9a\u3044\u3066Let\u591a\u76f8\u306b\u30ec\u30d9\u30eb\u3092\u5c0e\u5165\u3057\u305f\u5b9f\u88c5\u306e\u8a73\u7d30\u3092\u898b\u3066\u3044\u304f\u3002 \u5177\u4f53\u7684\u306b\u306finstantiate\u3001match_fun_ty\u3001unify\u3001occursin\u304c\u30ec\u30d9\u30eb\u306e\u5c0e\u5165\u3067\u3069\u3046\u5f71\u97ff\u3092\u53d7\u3051\u308b\u304b\u3068\u3044\u3046\u70b9\u3068\u3001unify\u3067\u65b0\u3057\u304f\u4f7f\u308f\u308c\u308badjustlevel\u306e\u7406\u5c48\u3068\u5b9f\u88c5\u3092\u89e3\u8aac\u3059\u308b\u3002 instantiate \u6c4e\u5316\u3055\u308c\u305f\u578b\u306eGeneric\u306a\u578b\u5909\u6570\u306b\u65b0\u3057\u3044Unbound\u306a\u578b\u5909\u6570\u3092\u632f\u3063\u3066\u5177\u4f53\u7684\u306a\u578b\u3092\u8fd4\u3059instantiate\u95a2\u6570\u3002 \u65b0\u3057\u304f\u578b\u5909\u6570\u3092\u4f5c\u308b\u5fc5\u8981\u304c\u3042\u308b\u306e\u3067\u5f53\u7136level\u304c\u5f15\u6570\u3068\u3057\u3066\u5fc5\u8981\uff1a let instantiate level ty = let id_var_hash = Hashtbl.create\u2026","height":"190","published":"2022-10-30 13:07:23","image_url":null,"width":"100%","blog_title":"Arantium Maestum","categories":["OCaml","\u578b\u7406\u8ad6","\u8a00\u8a9e\u51e6\u7406\u7cfb"],"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fzehnpaard.hatenablog.com%2Fentry%2F2022%2F10%2F30%2F130723\" title=\"\u578b\u63a8\u8ad6\u3092\u5b9f\u88c5\u30fb\u6539\u5584\u3057\u3066\u3044\u304f\uff11\uff10\u3000\u30ec\u30d9\u30eb\u306b\u3088\u308bLet\u591a\u76f8\u306e\u52b9\u7387\u5316\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>","author_name":"zehnpaard","version":"1.0","url":"https://zehnpaard.hatenablog.com/entry/2022/10/30/130723","title":"\u578b\u63a8\u8ad6\u3092\u5b9f\u88c5\u30fb\u6539\u5584\u3057\u3066\u3044\u304f\uff11\uff10\u3000\u30ec\u30d9\u30eb\u306b\u3088\u308bLet\u591a\u76f8\u306e\u52b9\u7387\u5316\uff08\u5f8c\u7de8\uff09","provider_url":"https://hatena.blog","blog_url":"https://zehnpaard.hatenablog.com/","author_url":"https://blog.hatena.ne.jp/zehnpaard/","type":"rich","provider_name":"Hatena Blog"}