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Is there a function in Haskell that will allow me to enter component of a date (like a string representation or day month year components) that I can get information from (like day of week, days in a month, etc.)?
I’ve looked online and it looks like there are a lot of custom libraries, but I’m hoping there’s one in the standard prelude library of ghci 10.6.4 that’s just not well documented?
Are Data.Time.Calendar and Data.Time.Format in the time library sufficient?
You can parse a string representation of a date and get the length of a month using
gregorianMonthLength. Not sure about day of the week, though you could format the date as a string using a format that just displays the week day.