{"ast_node_type":"other","tokens":[{"end":52,"kind":"keyword","start":0,"text":"cov_mark::hit!(test_already_impls_iterator);"}]}
        cov_mark::hit!(test_already_impls_iterator);
        let iter_trait = FamousDefs(sema, krate).core_iter_Iterator()?;
        Some(it_typ.impls_trait(sema.db, iter_trait, &[]))