/*=============================================================================

    Copyright (c) 2003 Joel de Guzman



    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_IS_SEQUENCE_HPP)

#define FUSION_SEQUENCE_IS_SEQUENCE_HPP



#include <boost/type_traits/is_base_and_derived.hpp>

#include <boost/spirit/fusion/sequence/detail/sequence_base.hpp>



namespace boost { namespace fusion

{

    ///////////////////////////////////////////////////////////////////////////

    //

    //  is_sequence metafunction

    //

    //      Given a type T, returns a value true or false if T is a

    //      fusion sequence or not. Usage:

    //

    //          is_sequence<T>::value

    //

    ///////////////////////////////////////////////////////////////////////////

    template <typename T>

    struct is_sequence : is_base_and_derived<sequence_root, T> {};



}}



#endif

