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-- !!! simple overloading example
class Foo a where
foo :: a -> a -> Bool
class (Foo a) => Bar a where
bar :: a -> a -> Bool
instance Foo Int where
foo a b = a /= b
instance Foo Bool where
foo a b = a /= b
instance Bar Int where
bar a b = a < b
instance Bar Bool where
bar a b = a < b
foO = if bar (2::Int) (3::Int) then
if bar False True then
(42::Int)
else
(888::Int)
else
(999::Int)
main = print foO
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