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