Currently, PolyKinds is enabled unconditionally, which prevents mmorph from building on older versions of GHC that do not support PolyKinds at all (or do not support them reliably).
This restricts the use of PolyKinds to 7.6+, which was the first GHC release to have reliable support for PolyKinds.
Currently,
PolyKinds
is enabled unconditionally, which preventsmmorph
from building on older versions of GHC that do not supportPolyKinds
at all (or do not support them reliably).This restricts the use of
PolyKinds
to 7.6+, which was the first GHC release to have reliable support forPolyKinds
.