make_binomial_heap()
{
node_pointer p_nd = base_type::m_p_root;
- while (p_nd != NULL)
+ while (p_nd != 0)
{
node_pointer p_next = p_nd->m_p_next_sibling;
- if (p_next == NULL)
+ if (p_next == 0)
p_nd = p_next;
else if (p_nd->m_metadata == p_next->m_metadata)
p_nd = link_with_next_sibling(p_nd);