45 constructor_insert_new_imp(mapped_const_reference r_val, size_type pos, 
 
   48   _GLIBCXX_DEBUG_ASSERT(m_entries[pos].m_stat != valid_entry_status)k;
 
   49   entry* const p_e = m_entries + pos;
 
   50   new (&p_e->m_value) mapped_value_type(r_val);
 
   51   p_e->m_stat = valid_entry_status;
 
   52   _GLIBCXX_DEBUG_ONLY(debug_base::insert_new(p_e->m_value.first);)
 
integral_constant< bool, false > false_type
The type used as a compile-time boolean with false value.