blob: 9107c7a4efb61cf98744639c5a4da0dcda254b57 [file] [log] [blame]
// Copyright (c) 2016, 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.
/// A generator of globally unique identifiers.
class IdGenerator {
int _nextFreeId = 0;
/// Returns the next free identifier.
/// This identifier is guaranteed to be unique.
int getNextFreeId() => _nextFreeId++;