public void AddSibling(Person person)
{
Siblings ??= new List <Person>();
if (!Siblings.Contains(person))
{
Siblings.Add(person);
}
else
{
throw new Exception("Sibling already present");
}
}
public bool IsSiblingOf(Tree <TValue> tree) => Siblings.Contains(tree);
/// <summary>
/// Determines if the node provided as the <paramref name="treeNode"/> is a sibling of this node.
/// </summary>
/// <param name="treeNode">The <see cref="ITreeNode{TId, T}"/> object that is being checked if it is a sibling of this object.</param>
/// <returns>True if <paramref name="treeNode"/> is a sibling of this object, false if not</returns>
public bool IsSibling(T treeNode)
{
return(Siblings.Contains(treeNode));
}