/usr/include/boost/parameter/aux_
Edit: /usr/include/boost/parameter/aux_/result_of0.hpp (1471B)
// Copyright David Abrahams 2005.
// 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)
#ifndef BOOST_PARAMETER_AUX_RESULT_OF0_DWA2005511_HPP
#define BOOST_PARAMETER_AUX_RESULT_OF0_DWA2005511_HPP
#include
#include
#include
#if defined(BOOST_PARAMETER_CAN_USE_MP11)
#include
#include
#else
#include
#include
#endif
namespace boost { namespace parameter { namespace aux {
// A metafunction returning the result of invoking
// a nullary function object of the given type.
template
class result_of0
{
#if defined(BOOST_NO_RESULT_OF)
typedef typename F::result_type result_of_F;
#else
typedef typename ::boost::result_of::type result_of_F;
#endif
public:
#if defined(BOOST_PARAMETER_CAN_USE_MP11)
using type = ::boost::mp11::mp_if<
::std::is_void
#else
typedef typename ::boost::mpl::if_<
::boost::is_void
#endif
, ::boost::parameter::aux::use_default_tag
, result_of_F
#if defined(BOOST_PARAMETER_CAN_USE_MP11)
>;
#else
>::type type;
#endif
};
}}} // namespace boost::parameter::aux
#endif // include guard