{"categories":["scalaz"],"author_url":"https://blog.hatena.ne.jp/xuwei/","published":"2013-11-23 23:05:28","description":"\u4ee5\u4e0b\u306etweet\u3092\u305d\u306e\u307e\u307e\u30b3\u30f3\u30d1\u30a4\u30eb\u3057\u3088\u3046\u3068\u3057\u305f\u3089\u3001\u4e3b\u306bScala\u306e\u578b\u63a8\u8ad6\u306e\u5f31\u3055\u306e\u305b\u3044\u3067\u5168\u7136\u30b3\u30f3\u30d1\u30a4\u30eb\u901a\u3089\u306a\u304b\u3063\u305f\u306e\u3067\u3001\u3068\u308a\u3042\u3048\u305a\u30b3\u30f3\u30d1\u30a4\u30eb\u901a\u308b\u3088\u3046\u306b\u3057\u305f\u3082\u306e\u3092\u8cbc\u3063\u3066\u304a\u304f\u3060\u3051\u3002 type List[A]=Free[({type f[x]=Option[(x,x)]})#f,A];def nil=Suspend(None);def cons[A](head:A,tail:List[A])=Suspend(Some(Return(head)->tail))2013-11-23 12:54:36 via web","url":"https://xuwei-k.hatenablog.com/entry/20131123/1385215528","provider_url":"https://hatena.blog","width":"100%","title":"Free\u30e2\u30ca\u30c9\u3067List\u3092\u8868\u73fe\u3059\u308b","blog_url":"https://xuwei-k.hatenablog.com/","provider_name":"Hatena Blog","author_name":"xuwei","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fxuwei-k.hatenablog.com%2Fentry%2F20131123%2F1385215528\" title=\"Free\u30e2\u30ca\u30c9\u3067List\u3092\u8868\u73fe\u3059\u308b - xuwei-k&#39;s blog\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","version":"1.0","type":"rich","blog_title":"xuwei-k's blog","height":"190","image_url":null}