Two changes: - tags are now an insert-ordered hashset - type_ .~ -> type_ ?~ with some magic type inference This also updates stack.yaml to the newest GHC 8.6 LTS release.
Two changes: - tags are now an insert-ordered hashset - type_ .~ -> type_ ?~ with some magic type inference This also updates stack.yaml to the newest GHC 8.6 LTS release.