DateParser

Documentation

data DateFormat

Instances

Eq DateFormat

Methods

(==) :: DateFormat -> DateFormat -> Bool

(/=) :: DateFormat -> DateFormat -> Bool

Show DateFormat

Methods

showsPrec :: Int -> DateFormat -> ShowS

show :: DateFormat -> String

showList :: [DateFormat] -> ShowS

parseDateFormat :: Text -> Either Text DateFormat

german :: DateFormat

Corresponds to %d[.[%m[.[%y]]]]

parseDate :: Day -> DateFormat -> Text -> Either Text Day

parseDateWithToday :: DateFormat -> Text -> IO (Either Text Day)

Parse text with given format and fill in missing fields with todays date.

parseHLDate :: Day -> Text -> Either Text Day

parseHLDateWithToday :: Text -> IO (Either Text Day)

printDate :: DateFormat -> Day -> Text

Utilities

weekDay :: Int -> Day -> Day

Computes a relative date by the given weekday

Returns the first weekday with index wday, that's before the current date.