{"ast_node_type":"other","tokens":[{"end":66,"kind":"keyword","start":0,"text":"Rvalue::ShallowInitBox(_,"}]}
            Rvalue::ShallowInitBox(_, ty) => Ty::new_box(tcx, ty),
            },
            Rvalue::CopyForDeref(ref place) => place.ty(local_decls, tcx).ty,