blob: c97b5f8182cac9ed73968da871b5678631fa4c31 (
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
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
|
{-# LANGUAGE GADTs #-}
{-# LANGUAGE ScopedTypeVariables #-}
{-# LANGUAGE TemplateHaskell #-}
{-# LANGUAGE TypeFamilies #-}
{-# LANGUAGE PolyKinds #-}
{-# LANGUAGE DataKinds #-}
module Bug where
data family Sing (z :: k)
class SEq k where
(%==) :: forall (a :: k) (b :: k). Sing a -> Sing b -> ()
infix 4 %==
data Foo a b c d
= A a b c d |
B a b c d |
C a b c d |
D a b c d |
E a b c d |
F a b c d
data instance Sing (z_awDE :: Foo a b c d) where
SA :: Sing a -> Sing b -> Sing c -> Sing d -> Sing ('A a b c d)
SB :: Sing a -> Sing b -> Sing c -> Sing d -> Sing ('B a b c d)
SC :: Sing a -> Sing b -> Sing c -> Sing d -> Sing ('C a b c d)
SD :: Sing a -> Sing b -> Sing c -> Sing d -> Sing ('D a b c d)
SE :: Sing a -> Sing b -> Sing c -> Sing d -> Sing ('E a b c d)
SF :: Sing a -> Sing b -> Sing c -> Sing d -> Sing ('F a b c d)
instance (SEq a, SEq b, SEq c, SEq d) => SEq (Foo a b c d) where
(%==) (SA _ _ _ _) (SA _ _ _ _) = ()
(%==) (SA _ _ _ _) (SB _ _ _ _) = ()
(%==) (SA _ _ _ _) (SC _ _ _ _) = ()
(%==) (SA _ _ _ _) (SD _ _ _ _) = ()
(%==) (SA _ _ _ _) (SE _ _ _ _) = ()
(%==) (SA _ _ _ _) (SF _ _ _ _) = ()
(%==) (SB _ _ _ _) (SA _ _ _ _) = ()
(%==) (SB _ _ _ _) (SB _ _ _ _) = ()
(%==) (SB _ _ _ _) (SC _ _ _ _) = ()
(%==) (SB _ _ _ _) (SD _ _ _ _) = ()
(%==) (SB _ _ _ _) (SE _ _ _ _) = ()
(%==) (SB _ _ _ _) (SF _ _ _ _) = ()
(%==) (SC _ _ _ _) (SA _ _ _ _) = ()
(%==) (SC _ _ _ _) (SB _ _ _ _) = ()
(%==) (SC _ _ _ _) (SC _ _ _ _) = ()
(%==) (SC _ _ _ _) (SD _ _ _ _) = ()
(%==) (SC _ _ _ _) (SE _ _ _ _) = ()
(%==) (SC _ _ _ _) (SF _ _ _ _) = ()
(%==) (SD _ _ _ _) (SA _ _ _ _) = ()
(%==) (SD _ _ _ _) (SB _ _ _ _) = ()
(%==) (SD _ _ _ _) (SC _ _ _ _) = ()
(%==) (SD _ _ _ _) (SD _ _ _ _) = ()
(%==) (SD _ _ _ _) (SE _ _ _ _) = ()
(%==) (SD _ _ _ _) (SF _ _ _ _) = ()
(%==) (SE _ _ _ _) (SA _ _ _ _) = ()
(%==) (SE _ _ _ _) (SB _ _ _ _) = ()
(%==) (SE _ _ _ _) (SC _ _ _ _) = ()
(%==) (SE _ _ _ _) (SD _ _ _ _) = ()
(%==) (SE _ _ _ _) (SE _ _ _ _) = ()
(%==) (SE _ _ _ _) (SF _ _ _ _) = ()
(%==) (SF _ _ _ _) (SA _ _ _ _) = ()
(%==) (SF _ _ _ _) (SB _ _ _ _) = ()
(%==) (SF _ _ _ _) (SC _ _ _ _) = ()
(%==) (SF _ _ _ _) (SD _ _ _ _) = ()
(%==) (SF _ _ _ _) (SE _ _ _ _) = ()
(%==) (SF _ _ _ _) (SF _ _ _ _) = ()
|
