code: func FilterTxnResults(authorizer acl.Authorizer, results structs.TxnResults) structs.TxnResults {
  	rf := txnResultsFilter{authorizer: authorizer, results: results}
  	return results[:FilterEntries(&rf)]
  }
docs: // FilterTxnResults is used to filter a list of transaction results by
  // applying an ACL policy.