1 // Copyright (C) 2014 Vicente Botet 2 // 3 // Distributed under the Boost Software License, Version 1.0. (See accompanying 4 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) 5 6 #define BOOST_THREAD_VERSION 4 7 8 #include <boost/thread/future.hpp> 9 10 struct foo 11 { foofoo12 foo(int i_): i(i_) {} 13 int i; 14 }; 15 main()16int main() 17 { 18 boost::promise<foo> p; 19 const foo f(42); 20 p.set_value(f); 21 22 // Clearly a const future ref isn't much use, but I needed to 23 // prove the problem wasn't me trying to copy a unique_future 24 25 const boost::future<foo>& fut = boost::make_ready_future( foo(42) ); 26 return 0; 27 } 28 29