std::pair< std::list<CProduct>::const_iterator,
        std::list<CProduct>::const_iterator >  * GetPortfolio() const ; // function declaration

std::pair< std::list<CProduct>::const_iterator,             // function definition
    std::list<CProduct>::const_iterator > * CDeveloper::GetPortfolio() const
{
    return new std::pair< std::list<CProduct>::const_iterator,
                    std::list<CProduct>::const_iterator >(m_lCProducts.cbegin(), m_lCProducts.cend());
}


std::pair< std::list<CProduct>::const_iterator, std::list<CProduct>::const_iterator>
        * developersProductPortfolio  = m_iCDeveloper->GetPortfolio();