53 lines
1.4 KiB
C++
53 lines
1.4 KiB
C++
|
|
#ifndef BOOST_MPL_AUX_SIZE_IMPL_HPP_INCLUDED
|
|
#define BOOST_MPL_AUX_SIZE_IMPL_HPP_INCLUDED
|
|
|
|
// Copyright Aleksey Gurtovoy 2000-2004
|
|
//
|
|
// Distributed under 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)
|
|
//
|
|
// See http://www.boost.org/libs/mpl for documentation.
|
|
|
|
// $Id: size_impl.hpp 49267 2008-10-11 06:19:02Z agurtovoy $
|
|
// $Date: 2008-10-10 23:19:02 -0700 (Fri, 10 Oct 2008) $
|
|
// $Revision: 49267 $
|
|
|
|
#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/mpl/aux_/config/workaround.hpp>
|
|
|
|
namespace boost { namespace mpl {
|
|
|
|
// default implementation; conrete sequences might override it by
|
|
// specializing either the 'size_impl' or the primary 'size' template
|
|
|
|
template< typename Tag >
|
|
struct size_impl
|
|
{
|
|
template< typename Sequence > struct apply
|
|
#if !BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x561))
|
|
: 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_impl)
|
|
|
|
}}
|
|
|
|
#endif // BOOST_MPL_AUX_SIZE_IMPL_HPP_INCLUDED
|