/// <summary>
/// Modifies the current set so that it contains only elements that are also in a specified collection.
/// </summary>
/// <param name="other">The collection to compare to the current set.</param>
public void IntersectWith(IEnumerable <T> other)
{
InputIEnumerableValidator(other);
var otherSet = new BinarySearchTree.BinarySearchTree <T>(other);
var tempSet = new BinarySearchTree.BinarySearchTree <T>(set.PreOrder());
set = new BinarySearchTree.BinarySearchTree <T>();
foreach (var item in otherSet.PreOrder())
{
if (tempSet.Contains(item))
{
set.Add(item);
}
}
}
/// <summary> /// Determines whether the <see cref="T:System.Collections.Generic.ICollection`1" /> contains a specific value. /// </summary> /// <param name="item">The object to locate in the <see cref="T:System.Collections.Generic.ICollection`1" />.</param> /// <returns> /// <see langword="true" /> if <paramref name="item" /> is found in the <see cref="T:System.Collections.Generic.ICollection`1" />; otherwise, <see langword="false" />. /// </returns> public bool Contains(T item) => set.Contains(item);