singletons-2.6: tests/compile-and-dump/Singletons/Records.ghc88.template
Singletons/Records.hs:(0,0)-(0,0): Splicing declarations
singletons
[d| data Record a = MkRecord {field1 :: a, field2 :: Bool} |]
======>
data Record a = MkRecord {field1 :: a, field2 :: Bool}
type Field2Sym1 (a0123456789876543210 :: Record a0123456789876543210) =
Field2 a0123456789876543210
instance SuppressUnusedWarnings Field2Sym0 where
suppressUnusedWarnings = snd (((,) Field2Sym0KindInference) ())
data Field2Sym0 :: forall a0123456789876543210.
(~>) (Record a0123456789876543210) Bool
where
Field2Sym0KindInference :: forall a0123456789876543210
arg. SameKind (Apply Field2Sym0 arg) (Field2Sym1 arg) =>
Field2Sym0 a0123456789876543210
type instance Apply Field2Sym0 a0123456789876543210 = Field2 a0123456789876543210
type Field1Sym1 (a0123456789876543210 :: Record a0123456789876543210) =
Field1 a0123456789876543210
instance SuppressUnusedWarnings Field1Sym0 where
suppressUnusedWarnings = snd (((,) Field1Sym0KindInference) ())
data Field1Sym0 :: forall a0123456789876543210.
(~>) (Record a0123456789876543210) a0123456789876543210
where
Field1Sym0KindInference :: forall a0123456789876543210
arg. SameKind (Apply Field1Sym0 arg) (Field1Sym1 arg) =>
Field1Sym0 a0123456789876543210
type instance Apply Field1Sym0 a0123456789876543210 = Field1 a0123456789876543210
type family Field2 (a :: Record a) :: Bool where
Field2 (MkRecord _ field) = field
type family Field1 (a :: Record a) :: a where
Field1 (MkRecord field _) = field
type MkRecordSym2 (t0123456789876543210 :: a0123456789876543210) (t0123456789876543210 :: Bool) =
MkRecord t0123456789876543210 t0123456789876543210
instance SuppressUnusedWarnings (MkRecordSym1 t0123456789876543210) where
suppressUnusedWarnings = snd (((,) MkRecordSym1KindInference) ())
data MkRecordSym1 (t0123456789876543210 :: a0123456789876543210) :: (~>) Bool (Record a0123456789876543210)
where
MkRecordSym1KindInference :: forall t0123456789876543210
t0123456789876543210
arg. SameKind (Apply (MkRecordSym1 t0123456789876543210) arg) (MkRecordSym2 t0123456789876543210 arg) =>
MkRecordSym1 t0123456789876543210 t0123456789876543210
type instance Apply (MkRecordSym1 t0123456789876543210) t0123456789876543210 = MkRecord t0123456789876543210 t0123456789876543210
instance SuppressUnusedWarnings MkRecordSym0 where
suppressUnusedWarnings = snd (((,) MkRecordSym0KindInference) ())
data MkRecordSym0 :: forall a0123456789876543210.
(~>) a0123456789876543210 ((~>) Bool (Record a0123456789876543210))
where
MkRecordSym0KindInference :: forall t0123456789876543210
arg. SameKind (Apply MkRecordSym0 arg) (MkRecordSym1 arg) =>
MkRecordSym0 t0123456789876543210
type instance Apply MkRecordSym0 t0123456789876543210 = MkRecordSym1 t0123456789876543210
data SRecord :: forall a. Record a -> GHC.Types.Type
where
SMkRecord :: forall a (n :: a) (n :: Bool).
{sField1 :: (Sing (n :: a)), sField2 :: (Sing (n :: Bool))}
-> SRecord (MkRecord n n)
type instance Sing @(Record a) = SRecord
instance SingKind a => SingKind (Record a) where
type Demote (Record a) = Record (Demote a)
fromSing (SMkRecord b b) = (MkRecord (fromSing b)) (fromSing b)
toSing (MkRecord (b :: Demote a) (b :: Demote Bool))
= case
((,) (toSing b :: SomeSing a)) (toSing b :: SomeSing Bool)
of {
(,) (SomeSing c) (SomeSing c) -> SomeSing ((SMkRecord c) c) }
instance (SingI n, SingI n) =>
SingI (MkRecord (n :: a) (n :: Bool)) where
sing = (SMkRecord sing) sing
instance SingI (MkRecordSym0 :: (~>) a ((~>) Bool (Record a))) where
sing = (singFun2 @MkRecordSym0) SMkRecord
instance SingI d =>
SingI (MkRecordSym1 (d :: a) :: (~>) Bool (Record a)) where
sing = (singFun1 @(MkRecordSym1 (d :: a))) (SMkRecord (sing @d))