{"author_name":"zehnpaard","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fzehnpaard.hatenablog.com%2Fentry%2F2022%2F10%2F05%2F091743\" title=\"\u7c21\u5358\u306a\u578b\u30b7\u30b9\u30c6\u30e0\u3092\u5b9f\u88c5\u3057\u3066\u3044\u304f\uff13\u3000STLC + Bool - 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>","width":"100%","provider_name":"Hatena Blog","provider_url":"https://hatena.blog","url":"https://zehnpaard.hatenablog.com/entry/2022/10/05/091743","height":"190","title":"\u7c21\u5358\u306a\u578b\u30b7\u30b9\u30c6\u30e0\u3092\u5b9f\u88c5\u3057\u3066\u3044\u304f\uff13\u3000STLC + Bool","author_url":"https://blog.hatena.ne.jp/zehnpaard/","categories":["OCaml","\u578b\u7406\u8ad6","\u8a00\u8a9e\u51e6\u7406\u7cfb"],"blog_url":"https://zehnpaard.hatenablog.com/","type":"rich","version":"1.0","blog_title":"Arantium Maestum","image_url":null,"description":"\u524d\u56de\u306eSTLC\u306bBool\u578b\u3068\u95a2\u9023\u3059\u308b\u5f0f\u3092\u8ffd\u52a0\u3057\u3066\u307f\u308b\uff1a gist.github.com \u307e\u305a\u306f\u578b\u306bTBool\u3092\u8ffd\u52a0\uff1a type ty = ... | TBool \u5f0f\u306bTrue, False\u3068If\u5f0f\u3092\u8ffd\u52a0\uff1a type exp = ... | ETrue | EFalse | EIf of exp * exp * exp If\u5f0f\u306fcondition\u5f0f\u3001if-true-branch\u5f0f\u3001if-false-branch\u5f0f\u306e\u4e09\u8981\u7d20\u3092\u6301\u3064\u3002 \u5f0f\u306b\u5408\u308f\u305b\u3066typeof\u95a2\u6570\u306b\u30b1\u30fc\u30b9\u3092\u8ffd\u52a0\u3059\u308b\u3002\u307e\u305a\u306fTrue/False\uff1a let rec typeof env = function ... | ETrue | E\u2026","published":"2022-10-05 09:17:43"}