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WildcardInstantiations.hs:5:14: error:
• Found type wildcard ‘_a’ standing for ‘a’
Where: ‘a’ is a rigid type variable bound by
the inferred type of foo :: (Enum a, Show a) => a -> String
at WildcardInstantiations.hs:6:1
To use the inferred type, enable PartialTypeSignatures
• In the type signature:
foo :: (Show _a, _) => _a -> _
• Relevant bindings include
foo :: a -> String (bound at WildcardInstantiations.hs:6:1)
WildcardInstantiations.hs:5:18: error:
Found constraint wildcard ‘_’ standing for ‘Enum a’
To use the inferred type, enable PartialTypeSignatures
In the type signature:
foo :: (Show _a, _) => _a -> _
WildcardInstantiations.hs:5:30: error:
• Found type wildcard ‘_’ standing for ‘String’
To use the inferred type, enable PartialTypeSignatures
• In the type signature:
foo :: (Show _a, _) => _a -> _
• Relevant bindings include
foo :: a -> String (bound at WildcardInstantiations.hs:6:1)
WildcardInstantiations.hs:8:8: error:
• Found type wildcard ‘_’ standing for ‘t1’
Where: ‘t1’ is a rigid type variable bound by
the inferred type of bar :: t1 -> (t1 -> t) -> t
at WildcardInstantiations.hs:9:1
To use the inferred type, enable PartialTypeSignatures
• In the type signature:
bar :: _ -> _ -> _
• Relevant bindings include
bar :: t1 -> (t1 -> t) -> t
(bound at WildcardInstantiations.hs:9:1)
WildcardInstantiations.hs:8:13: error:
• Found type wildcard ‘_’ standing for ‘t1 -> t’
Where: ‘t’ is a rigid type variable bound by
the inferred type of bar :: t1 -> (t1 -> t) -> t
at WildcardInstantiations.hs:9:1
‘t1’ is a rigid type variable bound by
the inferred type of bar :: t1 -> (t1 -> t) -> t
at WildcardInstantiations.hs:9:1
To use the inferred type, enable PartialTypeSignatures
• In the type signature:
bar :: _ -> _ -> _
• Relevant bindings include
bar :: t1 -> (t1 -> t) -> t
(bound at WildcardInstantiations.hs:9:1)
WildcardInstantiations.hs:8:18: error:
• Found type wildcard ‘_’ standing for ‘t’
Where: ‘t’ is a rigid type variable bound by
the inferred type of bar :: t1 -> (t1 -> t) -> t
at WildcardInstantiations.hs:9:1
To use the inferred type, enable PartialTypeSignatures
• In the type signature:
bar :: _ -> _ -> _
• Relevant bindings include
bar :: t1 -> (t1 -> t) -> t
(bound at WildcardInstantiations.hs:9:1)
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