boost/fusion/container/generation/ignore.hpp
/*=============================================================================
Copyright (c) 2001 Doug Gregor
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_IGNORE_07192005_0329)
#define FUSION_IGNORE_07192005_0329
namespace boost { namespace fusion
{
// Swallows any assignment (by Doug Gregor)
namespace detail
{
struct swallow_assign
{
template<typename T>
BOOST_FUSION_GPU_ENABLED
swallow_assign const&
operator=(const T&) const
{
return *this;
}
};
}
// "ignore" allows tuple positions to be ignored when using "tie".
detail::swallow_assign const ignore = detail::swallow_assign();
}}
#endif