Packages with the safe use flag

dev-haskell / contravariant : Contravariant functors

  • Get Safe guarantees rather than merely Trustworthy, but with worse constant factors.

dev-haskell / lens : Lenses, Folds and Traversals

  • Disallow unsafeCoerce

dev-haskell / void : A Haskell 98 logically uninhabited data type

  • dissable effective but unsafe coersions