fourmolu-0.0.6.0: data/examples/declaration/deriving/overlapping.hs

deriving instance
  {-# OVERLAPPABLE #-}
    Ord
      Foo
deriving instance
  {-# OVERLAPPING #-}
    Num
      Foo
deriving instance
  {-# OVERLAPS #-}
    Read
      Foo
deriving instance
  {-# INCOHERENT #-}
    Show
      Foo