{"provider_name":"Hatena Blog","image_url":null,"height":"190","author_name":"sirocco","blog_title":"sirocco \u306e\u66f8\u3044\u3066\u3082\u3059\u3050\u306b\u5fd8\u308c\u308b\u30e1\u30e2","categories":["Haskell"],"title":"Parsec\u306b\u3061\u3087\u3063\u3068\u89e6\u3063\u3066\u307f\u308b(6):Parsec \u3067\u639b\u3051\u7b97","published":"2011-10-08 15:42:27","width":"100%","version":"1.0","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fsirocco.hatenadiary.org%2Fentry%2F20111008%2F1318056147\" title=\"Parsec\u306b\u3061\u3087\u3063\u3068\u89e6\u3063\u3066\u307f\u308b(6):Parsec \u3067\u639b\u3051\u7b97 - 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>","provider_url":"https://hatena.blog","description":"\u3057\u3070\u3089\u304f\u3084\u3063\u3066\u3044\u306a\u304b\u3063\u305f\u306e\u3067\u3059\u3063\u304b\u308a\u5fd8\u308c\u307e\u3057\u305f\u3002Parsec, \u9ad8\u901f\u306a\u30b3\u30f3\u30d3\u30cd\u30fc\u30bf\u30d1\u30fc\u30b5 \u3092\u53c2\u8003\u306b\u3057\u3066\u7c21\u5358\u306a\u639b\u3051\u7b97\u3002 \u30d1\u30fc\u30b9\u306f\u4f55\u3092\u3059\u308b\u3082\u306e\u304b\u3068\u8a00\u3046\u3068\u3001\u6570\u5b57\u6587\u5b57\u5217\u304b\u3089\u672c\u7269\u306e\u6570\u5b57\u3001S\u5f0f\u306e\u6587\u5b57\u5217\u304b\u3089\u672c\u7269\u306eS\u5f0f\u3001\u914d\u5217\u306e\u6587\u5b57\u5217\u304b\u3089\u672c\u7269\u306e\u914d\u5217\u3092\u4f5c\u308a\u307e\u3059\u3002\u6587\u5b57\u5217\u304b\u3089\u610f\u5473\u306e\u3042\u308b\u5024\u3092\u751f\u6210\u3057\u307e\u3059\u3002 import Text.ParserCombinators.Parsec multiply :: Parser Integer multiply = do{ x <- number ; char '*' ; y <- number -- \u8a18\u53f7'*'\u304b\u3089\u672c\u5f53\u306e\u639b\u3051\u7b97\u3092\u884c\u3046\u3002 ; return (x * y) } numb\u2026","type":"rich","url":"https://sirocco.hatenadiary.org/entry/20111008/1318056147","blog_url":"https://sirocco.hatenadiary.org/","author_url":"https://blog.hatena.ne.jp/sirocco/"}