namespace Quadtree
{
    internal static class ListExtensions
    {
        public static bool RemoveUnordered<T>(this List<T> list, T obj)
        {
            for (int i = 0; i < list.Count; i++)
            {
                if (list[i].Equals(obj))
                {
                    list.RemoveUnorderedAt(i);
                    return true;
                }
            }
            return false;
        }

        public static void RemoveUnorderedAt<T>(this List<T> list, int index)
        {
            list[index] = list[list.Count - 1];
            list.RemoveAt(list.Count - 1);
        }
    }
}