| // 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 <boost/utility/result_of.hpp> |
| |
| // A metafunction returning the result of invoking a nullary function |
| // object of the given type. |
| |
| #ifndef BOOST_NO_RESULT_OF |
| |
| # include <boost/utility/result_of.hpp> |
| namespace boost { namespace parameter { namespace aux { |
| template <class F> |
| struct result_of0 : result_of<F()> |
| {}; |
| |
| }}} // namespace boost::parameter::aux_ |
| |
| #else |
| |
| namespace boost { namespace parameter { namespace aux { |
| template <class F> |
| struct result_of0 |
| { |
| typedef typename F::result_type type; |
| }; |
| |
| }}} // namespace boost::parameter::aux_ |
| |
| #endif |
| |
| |
| #endif // BOOST_PARAMETER_AUX_RESULT_OF0_DWA2005511_HPP |