BoydStephenSmithJr, Missing lens operator <<<>@= :
(<<<>@=) :: (Semigroup r, MonadState s m) => Over' (Indexed i) ((,) r) s r -> (i -> r) -> m r
Adjust the target of indexing by <>ing a value to the end and return the previous value(s).
BoydStephenSmithJr, Missing lens operator <<<>@= :
(<<<>@=) :: (Semigroup r, MonadState s m) => Over' (Indexed i) ((,) r) s r -> (i -> r) -> m r
Adjust the target of indexing by <>ing a value to the end and return the previous value(s).