rovv_derive
parse row!
and dyn_row!
, and transform them to
impl LensRef<Optic![a], Image = A> + LensMut<Optic![b], Image = B> + Lens<Optic![c], Image = C> + 'a
dyn LensRef<Optic![a], Image = A> + LensMut<Optic![b], Image = B> + Lens<Optic![c], Image = C> + 'a