/// <summary>
/// Clears the list, then adds each of the other
/// </summary>
/// <typeparam name="T">The type of list it is</typeparam>
/// <param name="This">The list this is called on</param>
/// <param name="otherList">The list whose contents are added to this list</param>
public static void ResetWith <T> (this ICollection <T> This, ICollection <T> otherList)
{
if (This == null)
{
return;
}
This.Clear();
This.AddEach(otherList);
}
