Safe Haskell | None |
---|---|
Language | Haskell2010 |
Orphan instances
Validity DayOfWeek Source # | |
validate :: DayOfWeek -> Validation # | |
Validity Day Source # | Valid according to the |
validate :: Day -> Validation # | |
Validity CalendarDiffDays Source # | |
validate :: CalendarDiffDays -> Validation # |