{"ast_node_type":"other","tokens":[{"end":64,"kind":"keyword","start":0,"text":"Cast(cast_kind,"}]}
            Cast(cast_kind, op, ty) => crate::mir::Rvalue::Cast(
            Len(place) => crate::mir::Rvalue::Len(place.stable(tables, cx)),
                cast_kind.stable(tables, cx),