{"url":"https://sirocco.hatenadiary.org/entry/20090705/1246741555","height":"190","blog_title":"sirocco \u306e\u66f8\u3044\u3066\u3082\u3059\u3050\u306b\u5fd8\u308c\u308b\u30e1\u30e2","provider_name":"Hatena Blog","title":"Lisp \u306e\u30bb\u30eb\u307f\u305f\u3044\u306a\u3082\u306e\u3092\u5b9a\u7fa9\u3057\u3066\u307f\u308b\u3002","type":"rich","version":"1.0","author_name":"sirocco","description":"Cell \u306f Symbol\u578b\u306e car \u3068 cdr \u306e\u5024\u3092\u6301\u3064\u3002Symbol\u578b\u306f Int \u307e\u305f\u306f String\u3001Nil\u3001\u305d\u3057\u3066\u3001Cell \u578b\u3067\u3042\u308b\u3002 data Symbol = I Int | S String | Nil | C Cell deriving (Show, Read, Eq) data Cell = Cell { car :: Symbol, cdr :: Symbol} deriving (Show, Read, Eq) Prelude> :load lisp.hs [1 of 1] Compiling Main ( lisp.hs, interpreted ) Ok, mo\u2026","author_url":"https://blog.hatena.ne.jp/sirocco/","blog_url":"https://sirocco.hatenadiary.org/","categories":["Haskell"],"width":"100%","provider_url":"https://hatena.blog","image_url":null,"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fsirocco.hatenadiary.org%2Fentry%2F20090705%2F1246741555\" title=\"Lisp \u306e\u30bb\u30eb\u307f\u305f\u3044\u306a\u3082\u306e\u3092\u5b9a\u7fa9\u3057\u3066\u307f\u308b\u3002 - sirocco \u306e\u66f8\u3044\u3066\u3082\u3059\u3050\u306b\u5fd8\u308c\u308b\u30e1\u30e2\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","published":"2009-07-05 06:05:55"}