diff options
Diffstat (limited to 'compiler/GHC/Core/Coercion.hs')
| -rw-r--r-- | compiler/GHC/Core/Coercion.hs | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/compiler/GHC/Core/Coercion.hs b/compiler/GHC/Core/Coercion.hs index 235e8c65fb..98aa337026 100644 --- a/compiler/GHC/Core/Coercion.hs +++ b/compiler/GHC/Core/Coercion.hs @@ -1708,9 +1708,8 @@ has to do in its full generality. See #18413. %************************************************************************ -} --- | If @co :: T ts ~ rep_ty@ then: --- --- > instNewTyCon_maybe T ts = Just (rep_ty, co) +-- | If `instNewTyCon_maybe T ts = Just (rep_ty, co)` +-- then `co :: T ts ~R# rep_ty` -- -- Checks for a newtype, and for being saturated instNewTyCon_maybe :: TyCon -> [Type] -> Maybe (Type, Coercion) |