void cleanTree(Leaf* cur)
{
if (cur)
{
cleanTree(cur->right);
cleanTree(cur->left);
delete cur;
}
}
void cleanTree(node *t) {
if(t) {
cleanTree(t->right);
cleanTree(t->left);
free(t->username);
free(t->password);
free(t);
}
}
~BST()
{
cleanTree(root);
}
