Function next_capacity

extern/boost/boost/container/vector.hpp:473–485

   template<class GrowthFactorType>
   size_type next_capacity(size_type additional_objects) const
   {
      BOOST_ASSERT(additional_objects > size_type(this->m_capacity - this->m_size));
      size_type max = allocator_traits_type::max_size(this->alloc());
      (clamp_by_stored_size_type<size_type>)(max, stored_size_type());
      const size_type remaining_cap = size_type(max - size_type(this->m_capacity));
      const size_type min_additional_cap = size_type(additional_objects - size_type(this->m_capacity - this->m_size));

      if ( remaining_cap < min_additional_cap )
         boost::container::throw_length_error("get_next_capacity, allocator's max size reached");

      return GrowthFactorType()( size_type(this->m_capacity), min_additional_cap, max);
   }

   pointer           m_start;
   stored_size_type  m_size;