struct QMapNode : public QMapNodeBase
{
QMapNode( const K& _key, const T& _data ) { data = _data; key = _key; }
QMapNode( const K& _key ) { key = _key; }
QMapNode( const QMapNode<K,T>& _n ) { key = _n.key; data = _n.data; }
QMapNode() { }
T data;
K key;
};
template<class K, class T>