haskell-base-orphans: haskell-base-orphans (Backwards-compatible orphan instances for base) haskell-base-orphans: haskell-base-orphans: base-orphans defines orphan instances that mimic instances available haskell-base-orphans: in later versions of base to a wider (older) range of compilers. haskell-base-orphans: haskell-base-orphans: haskell-base-orphans: haskell-base-orphans: haskell-base-orphans: haskell-base-orphans: haskell-base-orphans: