pkg/front_end/test/patching/data/opt_in/patch.dart

// Copyright (c) 2020, the Dart project authors.  Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

// @dart=2.9999

// ignore: import_internal_library
import 'dart:_internal';

@patch
/*cfe:nnbd.member: method:patch*/
int method(int? i) => i ?? 0;