{"description":"\u0295\u2022\u0361\u03c9\u2022\u0294 \u6700\u8fd1 fsharp-mode \u3088\u308a tuareg-mode \u306e\u304c\u3044\u3044\u3093\u3058\u3083\u306a\u3044\u304b\u3063\u3066\u601d\u3046\u3088\u3046\u306b\u306a\u3063\u3066\u304d\u305f module Data.Either type either<'a, 'b> = | Left of 'a | Right of 'b let either f g e = match e with | Left a -> f a | Right b -> g b let isLeft x = match x with | Left _ -> true | Right _ -> false let isRight x = match x with | Left _ -> fa\u2026","version":"1.0","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fnoqisofon.hatenablog.com%2Fentry%2F2016%2F04%2F29%2F110821\" title=\" F# \u3067 Either \u3082\u3067\u304d\u305f\u3088\u30fc - \u60f3\u50cf\u529b\u306e\u6b20\u5982\u306f\u6df1\u523b\u306a\u6b20\u70b9\u306e\u4e00\u3064\u3067\u3042\u308b\u3002\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_url":"https://noqisofon.hatenablog.com/","published":"2016-04-29 11:08:21","categories":["fsharp"],"url":"https://noqisofon.hatenablog.com/entry/2016/04/29/110821","author_name":"noqisofon","height":"190","provider_url":"https://hatena.blog","width":"100%","provider_name":"Hatena Blog","author_url":"https://blog.hatena.ne.jp/noqisofon/","blog_title":"\u60f3\u50cf\u529b\u306e\u6b20\u5982\u306f\u6df1\u523b\u306a\u6b20\u70b9\u306e\u4e00\u3064\u3067\u3042\u308b\u3002","title":" F# \u3067 Either \u3082\u3067\u304d\u305f\u3088\u30fc","type":"rich","image_url":null}