diff options
Diffstat (limited to 'libraries/base/Data/Typeable/Internal.hs')
| -rw-r--r-- | libraries/base/Data/Typeable/Internal.hs | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/libraries/base/Data/Typeable/Internal.hs b/libraries/base/Data/Typeable/Internal.hs index 39974b4052..962f5b82c1 100644 --- a/libraries/base/Data/Typeable/Internal.hs +++ b/libraries/base/Data/Typeable/Internal.hs @@ -495,12 +495,7 @@ splitApp (TrTyCon{trTyCon = con, trKindVars = kinds}) -- | Use a 'TypeRep' as 'Typeable' evidence. withTypeable :: forall k (a :: k) rep (r :: TYPE rep). () => TypeRep a -> (Typeable a => r) -> r -withTypeable rep k = unsafeCoerce k' rep - where k' :: Gift a r - k' = Gift k - --- | A helper to satisfy the type checker in 'withTypeable'. -newtype Gift a (r :: TYPE rep) = Gift (Typeable a => r) +withTypeable rep k = withDict @(TypeRep a) @(Typeable a) rep k -- | Pattern match on a type constructor pattern Con :: forall k (a :: k). () |