Add Foldable1 Solo instance
CLC proposal: https://github.com/haskell/core-libraries-committee/issues/120
This doesn't need a special changelog entry if this patch is backported to 9.6, as that's the GHC/base where Foldable1 is introduced.
CLC proposal: https://github.com/haskell/core-libraries-committee/issues/120
This doesn't need a special changelog entry if this patch is backported to 9.6, as that's the GHC/base where Foldable1 is introduced.