forked from boostorg/fusion
37 lines
1.0 KiB
C++
37 lines
1.0 KiB
C++
/*=============================================================================
|
|
Copyright (c) 2001-2006 Joel de Guzman
|
|
Copyright (c) 2006 Dan Marsden
|
|
|
|
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_IS_ASSOCIATIVE_09242005_1018)
|
|
#define FUSION_IS_ASSOCIATIVE_09242005_1018
|
|
|
|
#include <boost/mpl/bool.hpp>
|
|
#include <boost/fusion/support/tag_of.hpp>
|
|
|
|
namespace boost { namespace fusion {
|
|
namespace extension
|
|
{
|
|
template<typename Tag>
|
|
struct is_associative_impl
|
|
{
|
|
template<typename Seq>
|
|
struct apply
|
|
: mpl::false_
|
|
{};
|
|
};
|
|
}
|
|
|
|
namespace traits
|
|
{
|
|
template <typename Seq>
|
|
struct is_associative
|
|
: extension::is_associative_impl<typename detail::tag_of<Seq>::type>::template apply<Seq>
|
|
{};
|
|
}}}
|
|
|
|
#endif
|