[1mMain.hs:7.48-51:[1;31m error:[0m[1m
   • Internal strictness mark not allowed
  [1;34m|[0m
[1;34m7[0m [1;34m| [0mnewtype InternalStrict = InternalStrict (Maybe [1;31m!Int[0m)
  [1;34m|[0m                                                [1;31m^^^^[0m

