1 // Copyright 2020 Peter Dimov 2 // Distributed under the Boost Software License, Version 1.0. 3 // https://www.boost.org/LICENSE_1_0.txt 4 5 #if defined(__cpp_deduction_guides) 6 7 #include <boost/shared_ptr.hpp> 8 #include <boost/weak_ptr.hpp> 9 main()10int main() 11 { 12 boost::shared_ptr<int> p1( new int ); 13 boost::weak_ptr<int> p2( p1 ); 14 boost::shared_ptr p3( p2 ); 15 } 16 17 #else 18 19 #include <boost/config/pragma_message.hpp> 20 21 BOOST_PRAGMA_MESSAGE( "Skipping test because __cpp_deduction_guides is not defined" ) 22 main()23int main() {} 24 25 #endif 26