boost_describe 0.1.0

Boost C++ library boost_describe packaged using Zanbil
Documentation 
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// Copyright 2021 Peter Dimov
// Distributed under the Boost Software License, Version 1.0.
// https://www.boost.org/LICENSE_1_0.txt

#include <boost/describe/detail/pp_utilities.hpp>
#include <boost/describe/detail/config.hpp>
#include <boost/core/lightweight_test.hpp>

#if !defined(BOOST_DESCRIBE_CXX11)

#include <boost/config/pragma_message.hpp>

BOOST_PRAGMA_MESSAGE("Skipping test because C++11 is not available")
int main() {}

#else

#define S(x) S2(x)
#define S2(x) S3(x)
#define S3(x) #x

#if defined(_MSC_VER)
# pragma warning(disable: 4003) // not enough arguments for macro invocation
#endif

char const * s1 = S(BOOST_DESCRIBE_PP_IS_PAREN());
char const * s2 = S(BOOST_DESCRIBE_PP_IS_PAREN(x));
char const * s3 = S(BOOST_DESCRIBE_PP_IS_PAREN(() x));
char const * s4 = S(BOOST_DESCRIBE_PP_IS_PAREN((a, b) x));

int main()
{
    BOOST_TEST_CSTR_EQ( s1, "0" );
    BOOST_TEST_CSTR_EQ( s2, "0" );
    BOOST_TEST_CSTR_EQ( s3, "1" );
    BOOST_TEST_CSTR_EQ( s4, "1" );

    return boost::report_errors();
}

#endif // !defined(BOOST_DESCRIBE_CXX11)