[Haskell-beginners] Is there a function to determine if a date is a business day?

[Deniz Dogan]

2009/12/11 Hong Yang <hyangfji at gmail.com>:
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I don't know, but wouldn't it be nice if there was some package
dealing with "cultures"? Something along the lines of:

data Culture = Culture { country :: Country,
                         language :: Language,
                         isHoliday :: (Day -> Bool),
                         firstDayOfWeek :: Day,
                         ...
                       }

-- 
Deniz Dogan