blob: a6c21368c2aec3aaaa50fb79148a390fd7704f6c (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
|
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 :: (Show a, Enum a) => a -> String
at WildcardInstantiations.hs:6:1-21
To use the inferred type, enable PartialTypeSignatures
• In the type signature: foo :: (Show _a, _) => _a -> _
WildcardInstantiations.hs:5:18: error:
• Found type wildcard ‘_’ standing for ‘Enum a’
Where: ‘a’ is a rigid type variable bound by
the inferred type of foo :: (Show a, Enum a) => a -> String
at WildcardInstantiations.hs:6:1-21
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 ‘_a -> _’
In the type signature: foo :: (Show _a, _) => _a -> _
WildcardInstantiations.hs:8:8: error:
• Found type wildcard ‘_’ standing for ‘t’
Where: ‘t’ is a rigid type variable bound by
the inferred type of bar :: t -> (t -> _) -> _
at WildcardInstantiations.hs:9:1-13
To use the inferred type, enable PartialTypeSignatures
• In the type ‘_ -> _ -> _’
In the type signature: bar :: _ -> _ -> _
WildcardInstantiations.hs:8:13: error:
• Found type wildcard ‘_’ standing for ‘t -> _’
Where: ‘t’, ‘_’ are rigid type variables bound by
the inferred type of bar :: t -> (t -> _) -> _
at WildcardInstantiations.hs:9:1-13
To use the inferred type, enable PartialTypeSignatures
• In the type ‘_ -> _ -> _’
In the type signature: bar :: _ -> _ -> _
WildcardInstantiations.hs:8:18: error:
• Found type wildcard ‘_’ standing for ‘_’
Where: ‘_’ is a rigid type variable bound by
the inferred type of bar :: t -> (t -> _) -> _
at WildcardInstantiations.hs:9:1-13
To use the inferred type, enable PartialTypeSignatures
• In the type ‘_ -> _ -> _’
In the type signature: bar :: _ -> _ -> _
|
