{"published":"2009-06-07 05:41:19","width":"100%","author_url":"https://blog.hatena.ne.jp/sirocco/","blog_url":"https://sirocco.hatenadiary.org/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fsirocco.hatenadiary.org%2Fentry%2F20090607%2F1244407279\" title=\"Haskell \u306e and , or \u306f\u6700\u5f8c\u307e\u3067\u6bd4\u8f03\u3059\u308b - 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>","description":"src/GHC-List.html#and List \u306e\u4e2d\u306e\u8ad6\u7406\u5024\u304c\u5168\u3066 True \u3067\u3042\u308b\u304b\u3069\u3046\u304b\u30c1\u30a7\u30c3\u30af\u3059\u308b\u306b\u306f\u3001False\u304c\u51fa\u73fe\u3057\u305f\u6642\u70b9\u3067\u6210\u7acb\u3057\u306a\u3044\u3002\u3053\u3053\u3067\u30c1\u30a7\u30c3\u30af\u3092\u3084\u3081\u3066\u3082\u3044\u3044\u306e\u3060\u3051\u308c\u3069 Haskell \u306f fold \u3092\u4f7f\u3063\u3066\u3044\u308b\u306e\u3067\u6700\u5f8c\u307e\u3067\u30c1\u30a7\u30c3\u30af\u3057\u3066\u3044\u308b\u3002 Special folds \u3068\u3044\u3046\u5206\u985e\u304c\u3042\u3063\u3066\u3001and ,or \u4ee5\u5916\u306b\u3082 concat, concatMap, any, all, sum, product, maximum ,minimum \u304c\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u308b\u3002 Prelude> and [True,True,True] True Prelude> and [True,True,\u2026","provider_name":"Hatena Blog","title":"Haskell \u306e and , or \u306f\u6700\u5f8c\u307e\u3067\u6bd4\u8f03\u3059\u308b","version":"1.0","provider_url":"https://hatena.blog","image_url":null,"categories":["Haskell"],"height":"190","type":"rich","url":"https://sirocco.hatenadiary.org/entry/20090607/1244407279","author_name":"sirocco","blog_title":"sirocco \u306e\u66f8\u3044\u3066\u3082\u3059\u3050\u306b\u5fd8\u308c\u308b\u30e1\u30e2"}