Closed athas closed 2 years ago
fgl fails to compile with GHC 9.4 because ST is no longer an instance of MonadFail: https://github.com/haskell/core-libraries-committee/issues/33
fgl
ST
I am trying to work out the best way to fix it. One solution may be to drop the requirement that a GraphM monad must also be a MonadFail.
GraphM
MonadFail
fglfails to compile with GHC 9.4 becauseSTis no longer an instance of MonadFail: https://github.com/haskell/core-libraries-committee/issues/33I am trying to work out the best way to fix it. One solution may be to drop the requirement that a
GraphMmonad must also be aMonadFail.