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{-# LANGUAGE KindSignatures #-}
{-# LANGUAGE PolyKinds #-}
{-# LANGUAGE TemplateHaskell #-}
{-# LANGUAGE TypeFamilies #-}
module T12503 where
import Language.Haskell.TH
data T1 k
class C1 a
$(do TyConI (DataD [] tName [ KindedTV kName () kKind] _ _ _)
<- reify ''T1
d <- instanceD (cxt [])
(conT ''C1 `appT`
(conT tName `appT` sigT (varT kName) kKind))
[]
return [d])
data family T2 (a :: b)
data instance T2 b
class C2 a
$(do FamilyI (DataFamilyD tName _ _) [DataInstD [] _ tyVar _ _ _]
<- reify ''T2
d <- instanceD (cxt [])
(conT ''C2 `appT` return tyVar)
[]
return [d])
|
