Advertisement
Not a member of Pastebin yet?
Sign Up,
it unlocks many cool features!
- Data MyNum = MyInteger Integer
- | MyDouble Double
- | MyRational Rational
- isMyDouble :: MyNum -> Bool
- isMyDouble (MyDouble _) = True
- isMyDouble _ = False
- -- intended use:
- -- any isMyDouble [MyInteger 1, MyInteger 2, MyDouble 3] == True
Advertisement
Add Comment
Please, Sign In to add comment
Advertisement