/*

  This Source Code Form is subject to the terms of the Mozilla Public

  License, v. 2.0. If a copy of the MPL was not distributed with this

  file, You can obtain one at http://mozilla.org/MPL/2.0/.

  Copyright (C) 2009-2010 Michael Möller <mmoeller@openhardwaremonitor.org>

*/

using System.Collections;

using System.Collections.Generic;

namespace OpenHardwareMonitor.Collections {

  public class ListSet<T> : IEnumerable<T> {

    private readonly List<T> list = new List<T>();

    public bool Add(T item) {

      if (list.Contains(item))

        return false;

      list.Add(item);

      return true;

    }

    public bool Remove(T item) {

      if (!list.Contains(item))

        return false;

      list.Remove(item);

      return true;

    }

    public bool Contains(T item) {

      return list.Contains(item);

    }

    public T[] ToArray() {

      return list.ToArray();

    }

    public IEnumerator<T> GetEnumerator() {

      return list.GetEnumerator();

    }

    IEnumerator IEnumerable.GetEnumerator() {

      return list.GetEnumerator();

    }

  }

}