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/*=============================================================================
Copyright (c) 2001-2003 Joel de Guzman
Copyright (c) 2004 Peder Holt
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)
==============================================================================*/
#if !defined(FUSION_SEQUENCE_SIZE_HPP)
#define FUSION_SEQUENCE_SIZE_HPP
#include <boost/spirit/fusion/detail/config.hpp>
#include <boost/spirit/fusion/sequence/as_fusion_sequence.hpp>
namespace boost { namespace fusion
{
///////////////////////////////////////////////////////////////////////////
//
// size metafunction
//
// Get the size of a Sequence. Usage:
//
// size<Sequence>::value
//
///////////////////////////////////////////////////////////////////////////
namespace meta
{
template <typename Tag>
struct size_impl
{
template <typename Sequence>
struct apply {};
};
template <typename Sequence>
struct size
: size_impl<typename as_fusion_sequence<Sequence>::type::tag>::
template apply<typename as_fusion_sequence<Sequence>::type>
{};
}
}}
#endif