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tcfail140.hs:10:7: error:
• Couldn't match expected type ‘Integer -> t’
with actual type ‘Int’
• The function ‘f’ is applied to two arguments,
but its type ‘Int -> Int’ has only one
In the expression: f 3 9
In an equation for ‘bar’: bar = f 3 9
• Relevant bindings include bar :: t (bound at tcfail140.hs:10:1)
tcfail140.hs:12:10: error:
• Couldn't match expected type ‘Integer -> t’
with actual type ‘Int’
• The operator ‘f’ takes two arguments,
but its type ‘Int -> Int’ has only one
In the expression: 3 `f` 4
In an equation for ‘rot’: rot xs = 3 `f` 4
• Relevant bindings include
rot :: r -> t (bound at tcfail140.hs:12:1)
tcfail140.hs:14:15: error:
• Couldn't match expected type ‘a -> b’ with actual type ‘Int’
• The operator ‘f’ takes two arguments,
but its type ‘Int -> Int’ has only one
In the first argument of ‘map’, namely ‘(3 `f`)’
In the expression: map (3 `f`) xs
• Relevant bindings include
xs :: [a] (bound at tcfail140.hs:14:5)
bot :: [a] -> [b] (bound at tcfail140.hs:14:1)
tcfail140.hs:16:8: error:
• The constructor ‘Just’ should have 1 argument, but has been given none
• In the pattern: Just
In the expression: (\ Just x -> x) :: Maybe a -> a
In the expression: ((\ Just x -> x) :: Maybe a -> a) (Just 1)
tcfail140.hs:19:1: error:
• Couldn't match expected type ‘t0 -> Bool’ with actual type ‘Int’
• The equation(s) for ‘g’ have two arguments,
but its type ‘Int -> Int’ has only one
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