Boost C++ Libraries

boost/range/adaptor/argument_fwd.hpp

// Boost.Range library
//
//  Copyright Thorsten Ottosen, Neil Groves 2006 - 2008. Use, modification and
//  distribution is subject to the Boost Software License, Version
//  1.0. (See accompanying file LICENSE_1_0.txt or copy at
//  http://www.boost.org/LICENSE_1_0.txt)
//
// For more information, see http://www.boost.org/libs/range/
//

#ifndef BOOST_RANGE_ADAPTOR_ARGUMENT_FWD_HPP
#define BOOST_RANGE_ADAPTOR_ARGUMENT_FWD_HPP

#include <boost/config.hpp>

#ifdef BOOST_MSVC
#pragma warning(push)
#pragma warning(disable : 4512) // assignment operator could not be generated
#endif

namespace boost
{
    namespace range_detail
    {  
        template< class T >
        struct holder
        {
            T val;
            holder( T t ) : val(t)
            { }
        };

        template< class T >
        struct holder2
        {
            T val1, val2;
            holder2( T t, T u ) : val1(t), val2(u)
            { }
        };
        
        template< template<class> class Holder >
        struct forwarder
        {
            template< class T >
            Holder<T> operator()( T t ) const
            {
                return Holder<T>(t);
            }
        };

        template< template<class> class Holder >
        struct forwarder2
        {
            template< class T >
            Holder<T> operator()( T t, T u ) const
            {
                return Holder<T>(t,u);
            }
        };

        template< template<class,class> class Holder >
        struct forwarder2TU
        {
            template< class T, class U >
            Holder<T, U> operator()( T t, U u ) const
            {
                return Holder<T, U>(t, u);
            }
        };


    } 
        
}

#ifdef BOOST_MSVC
#pragma warning(pop)
#endif

#endif