{"ast_node_type":"other","tokens":[{"end":91,"kind":"keyword","start":0,"text":"std::iter::zip(ty::GenericArgs::identity_for_item(tcx,"}]}
        std::iter::zip(ty::GenericArgs::identity_for_item(tcx, impl_m.def_id), impl_m_args)
    for (id_arg, arg) in
    {