boost/mpl/aux_/size_impl.hpp
//-----------------------------------------------------------------------------
// boost mpl/aux_/size_impl.hpp header file
// See http://www.boost.org for updates, documentation, and revision history.
//-----------------------------------------------------------------------------
//
// Copyright (c) 2000-02
// Aleksey Gurtovoy
//
// Permission to use, copy, modify, distribute and sell this software
// and its documentation for any purpose is hereby granted without fee,
// provided that the above copyright notice appears in all copies and
// that both the copyright notice and this permission notice appear in
// supporting documentation. No representations are made about the
// suitability of this software for any purpose. It is provided "as is"
// without express or implied warranty.
#ifndef BOOST_MPL_AUX_SIZE_IMPL_HPP_INCLUDED
#define BOOST_MPL_AUX_SIZE_IMPL_HPP_INCLUDED
#include "boost/mpl/size_fwd.hpp"
#include "boost/mpl/begin_end.hpp"
#include "boost/mpl/distance.hpp"
#include "boost/mpl/aux_/traits_lambda_spec.hpp"
#include "boost/config.hpp"
namespace boost {
namespace mpl {
// default implementation; conrete sequences might override it by
// specializing either the 'size_traits' or the primary 'size' template
template< typename Tag >
struct size_traits
{
template< typename Sequence > struct algorithm
#if !defined(__BORLANDC__) && (__BORLANDC__ <= 0x561 || !defined(BOOST_STRICT_CONFIG))
: distance<
typename begin<Sequence>::type
, typename end<Sequence>::type
>
{
#else
{
typedef typename distance<
typename begin<Sequence>::type
, typename end<Sequence>::type
>::type type;
#endif
};
};
BOOST_MPL_ALGORITM_TRAITS_LAMBDA_SPEC(1,size_traits)
} // namespace mpl
} // namespace boost
#endif // BOOST_MPL_AUX_SIZE_IMPL_HPP_INCLUDED