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ExtraConstraintsWildcardInExpressionSignature.hs:5:20: warning: [-Wpartial-type-signatures (in -Wdefault)]
• Found extra-constraints wildcard standing for ‘Eq a1’
Where: ‘a1’ is a rigid type variable bound by
the inferred type of <expression> :: Eq a1 => a1 -> a1 -> Bool
at ExtraConstraintsWildcardInExpressionSignature.hs:5:20-25
• In an expression type signature: _ => _
In the expression: (==) :: _ => _
In the expression: ((==) :: _ => _) x y
• Relevant bindings include
y :: a
(bound at ExtraConstraintsWildcardInExpressionSignature.hs:5:7)
x :: a
(bound at ExtraConstraintsWildcardInExpressionSignature.hs:5:5)
foo :: a -> a -> Bool
(bound at ExtraConstraintsWildcardInExpressionSignature.hs:5:1)
ExtraConstraintsWildcardInExpressionSignature.hs:5:25: warning: [-Wpartial-type-signatures (in -Wdefault)]
• Found type wildcard ‘_’ standing for ‘a1 -> a1 -> Bool’
Where: ‘a1’ is a rigid type variable bound by
the inferred type of <expression> :: Eq a1 => a1 -> a1 -> Bool
at ExtraConstraintsWildcardInExpressionSignature.hs:5:20-25
• In an expression type signature: _ => _
In the expression: (==) :: _ => _
In the expression: ((==) :: _ => _) x y
• Relevant bindings include
y :: a
(bound at ExtraConstraintsWildcardInExpressionSignature.hs:5:7)
x :: a
(bound at ExtraConstraintsWildcardInExpressionSignature.hs:5:5)
foo :: a -> a -> Bool
(bound at ExtraConstraintsWildcardInExpressionSignature.hs:5:1)
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