{"ast_node_type":"other","tokens":[{"end":88,"kind":"keyword","start":0,"text":".iterate_method_candidates(sema.db,"}]}
        .iterate_method_candidates(sema.db, &scope, None, Some(&wanted_method), |func| {
    let has_wanted_method = ty
            if func.ret_type(sema.db).impls_trait(sema.db, iter_trait, &[]) {