/// <summary>
/// Determines whether an entity is in the set.
/// </summary>
/// <returns>
/// <c>true</c> if <paramref name="item"/> is found in the set; otherwise, false.
/// </returns>
/// <param name="item"> The entity to locate in the set. The value can be null.</param>
public new virtual bool Contains(TEntity item)
{
IEqualityComparer <TEntity> comparer = new ObjectReferenceEqualityComparer();
foreach (var entity in Items)
{
if (comparer.Equals(entity, item))
{
return(true);
}
}
return(false);
}
/// <summary>
/// Removes the first occurrence of a specific entity object from the set.
/// </summary>
/// <returns>
/// <c>true</c> if <paramref name="item"/> is successfully removed; otherwise, false.
/// This method also returns <c>false</c> if <paramref name="item"/> was not found in the set.
/// </returns>
/// <param name="item"> The entity to remove from the set. The value can be null.</param>
public new virtual bool Remove(TEntity item)
{
IEqualityComparer <TEntity> comparer = new ObjectReferenceEqualityComparer();
var index = 0;
for (; index < Count; index++)
{
if (comparer.Equals(Items[index], item))
{
break;
}
}
if (index == Count)
{
return(false);
}
RemoveItem(index);
return(true);
}