-- | An alias for @choice@.
(|||) ::
  Lens s t a b
  -> Lens q r a b
  -> Lens (Either s q) (Either t r) a b
(|||) =
  choice
(|||) ::
  Lens s t a b
  -> Lens q r a b
  -> Lens (Either s q) (Either t r) a b
(|||) =
  choice
(|||) =
  choice