Class is_iequal

include/win/boost/algorithm/string/compare.hpp:52–77

case insensitive version of is_equal ! Case insensitive comparison predicate. Comparison is done using specified locales. */

            specified locales.
        */
        struct is_iequal
        {
            //! Constructor
            /*!
                \param Loc locales used for comparison
            */
            is_iequal( const std::locale& Loc=std::locale() ) :
                m_Loc( Loc ) {}

            //! Function operator
            /*!
                Compare two operands. Case is ignored.
            */
            template< typename T1, typename T2 >
                bool operator()( const T1& Arg1, const T2& Arg2 ) const
            {
                #if defined(__BORLANDC__) && (__BORLANDC__ >= 0x560) && (__BORLANDC__ <= 0x564) && !defined(_USE_OLD_RW_STL)
                    return std::toupper(Arg1)==std::toupper(Arg2);
                #else
                    return std::toupper<T1>(Arg1,m_Loc)==std::toupper<T2>(Arg2,m_Loc);
                #endif
            }

        private:
            std::locale m_Loc;
        };

        //  is_less functor  -----------------------------------------------//