boost/preprocessor/control/if.hpp
# /* Copyright (C) 2001 # * Housemarque Oy # * http://www.housemarque.com # * # * Permission to copy, use, modify, sell and distribute this software is # * granted provided this copyright notice appears in all copies. This # * software is provided "as is" without express or implied warranty, and # * with no claim as to its suitability for any purpose. # */ # # /* Revised by Paul Mensonides (2002) */ # # /* See http://www.boost.org for most recent version. */ # # ifndef BOOST_PREPROCESSOR_CONTROL_IF_HPP # define BOOST_PREPROCESSOR_CONTROL_IF_HPP # # include <boost/preprocessor/config/config.hpp> # include <boost/preprocessor/control/iif.hpp> # include <boost/preprocessor/logical/bool.hpp> # # /* BOOST_PP_IF */ # # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG() # define BOOST_PP_IF(cond, t, f) BOOST_PP_IIF(BOOST_PP_BOOL(cond), t, f) # else # define BOOST_PP_IF(cond, t, f) BOOST_PP_IF_I(cond, t, f) # define BOOST_PP_IF_I(cond, t, f) BOOST_PP_IIF(BOOST_PP_BOOL(cond), t, f) # endif # # endif