WSJT-X/boost/fusion/support/detail/as_fusion_element.hpp
Bill Somerville 4ebe6417a5 Squashed 'boost/' content from commit b4feb19f2
git-subtree-dir: boost
git-subtree-split: b4feb19f287ee92d87a9624b5d36b7cf46aeadeb
2018-06-09 21:48:32 +01:00

61 lines
1.4 KiB
C++

/*=============================================================================
Copyright (c) 1999-2003 Jaakko Jarvi
Copyright (c) 2001-2011 Joel de Guzman
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)
==============================================================================*/
#if !defined(FUSION_AS_FUSION_ELEMENT_05052005_0338)
#define FUSION_AS_FUSION_ELEMENT_05052005_0338
#include <boost/fusion/support/config.hpp>
#include <boost/ref.hpp>
#ifndef BOOST_NO_CXX11_HDR_FUNCTIONAL
#include <functional>
#endif
namespace boost { namespace fusion { namespace detail
{
template <typename T>
struct as_fusion_element
{
typedef T type;
};
template <typename T>
struct as_fusion_element<reference_wrapper<T> >
{
typedef T& type;
};
#ifndef BOOST_NO_CXX11_HDR_FUNCTIONAL
template <typename T>
struct as_fusion_element<std::reference_wrapper<T> >
{
typedef T& type;
};
#endif
template <typename T, int N>
struct as_fusion_element<T[N]>
{
typedef const T(&type)[N];
};
template <typename T, int N>
struct as_fusion_element<volatile T[N]>
{
typedef const volatile T(&type)[N];
};
template <typename T, int N>
struct as_fusion_element<const volatile T[N]>
{
typedef const volatile T(&type)[N];
};
}}}
#endif