/*

   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();

     }

   }

 }