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Diffstat (limited to 'libs/local_function/example/impl_pp_keyword.cpp')
| -rw-r--r-- | libs/local_function/example/impl_pp_keyword.cpp | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/libs/local_function/example/impl_pp_keyword.cpp b/libs/local_function/example/impl_pp_keyword.cpp new file mode 100644 index 000000000..7a03ae77b --- /dev/null +++ b/libs/local_function/example/impl_pp_keyword.cpp @@ -0,0 +1,28 @@ + +// 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(); +} +//] + |