public V Remove(K key)
{
BSTMapNode <K, V> node = GetNode(root, key);
if (node is not null)
{
root = Remove(root, key);
return(node.Value);
}
return(default);
public V Get(K key)
{
BSTMapNode <K, V> node = GetNode(root, key);
return(node is null ? default : node.Value);
}
public void Add(K key, V value)
{
root = Add(root, key, value);
}