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tcfail032.hs:14:8:
Couldn't match expected type ‛a1 -> Int’ with actual type ‛t’
because type variable ‛a1’ would escape its scope
This (rigid, skolem) type variable is bound by
an expression type signature: Eq a1 => a1 -> Int
at tcfail032.hs:14:8-30
Relevant bindings include
f :: t -> a -> Int (bound at tcfail032.hs:14:1)
x :: t (bound at tcfail032.hs:14:3)
In the expression: (x :: Eq a => a -> Int)
In an equation for ‛f’: f x = (x :: Eq a => a -> Int)
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