local_function/example/impl_pp_keyword.cpp

29 lines
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// Copyright (C) 2009-2012 Lorenzo Caminiti
// Distributed under the Boost Software License, Version 1.0
// (see accompanying file LICENSE_1_0.txt or a copy at
// http://www.boost.org/LICENSE_1_0.txt)
// Home at http://www.boost.org/libs/local_function
//[impl_pp_keyword
#include <boost/local_function/detail/preprocessor/keyword/thisunderscore.hpp>
#include <boost/local_function/detail/preprocessor/keyword/const.hpp>
#include <boost/local_function/detail/preprocessor/keyword/bind.hpp>
#include <boost/detail/lightweight_test.hpp>
// Expand to 1 if space-separated tokens end with `this_`, 0 otherwise.
#define IS_THIS_BACK(tokens) \
BOOST_LOCAL_FUNCTION_DETAIL_PP_KEYWORD_IS_THISUNDERSCORE_BACK( \
BOOST_LOCAL_FUNCTION_DETAIL_PP_KEYWORD_BIND_REMOVE_FRONT( \
BOOST_LOCAL_FUNCTION_DETAIL_PP_KEYWORD_CONST_REMOVE_FRONT( \
tokens \
)))
int main(void) {
BOOST_TEST(IS_THIS_BACK(const bind this_) == 1);
BOOST_TEST(IS_THIS_BACK(const bind& x) == 0);
return boost::report_errors();
}
//]