toEnum and fromEnum methods added to the Enum Integer instance
-- Case-ified by WDP 94/10
instance Enum Integer where
-- Case-ified by WDP 94/10
instance Enum Integer where
+ toEnum n = toInteger n
+ fromEnum n = toInt n
enumFrom n = n : enumFrom (n + 1)
enumFromThen m n = en' m (n - m)
where en' m n = m : en' (m + n) n
enumFrom n = n : enumFrom (n + 1)
enumFromThen m n = en' m (n - m)
where en' m n = m : en' (m + n) n