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T9939.hs:6:1: warning: [-Wredundant-constraints]
• Redundant constraint: Eq a
• In the type signature for:
f1 :: (Eq a, Ord a) => a -> a -> Bool
T9939.hs:10:1: warning: [-Wredundant-constraints]
• Redundant constraint: Eq a
• In the type signature for:
f2 :: (Eq a, Ord a) => a -> a -> Bool
T9939.hs:14:1: warning: [-Wredundant-constraints]
• Redundant constraint: Eq b
• In the type signature for:
f3 :: (Eq a, a ~ b, Eq b) => a -> b -> Bool
T9939.hs:21:1: warning: [-Wredundant-constraints]
• Redundant constraint: Eq a
• In the type signature for:
f4 :: (Eq a, Eq b) => a -> b -> Equal a b -> Bool
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