Function get_future

extern/boost/boost/thread/future.hpp:2357–2370

Result retrieval

#endif
        // Result retrieval
        BOOST_THREAD_FUTURE<R> get_future()
        {
            lazy_init();
            if (future_.get()==0)
            {
                boost::throw_exception(promise_moved());
            }
            if (future_obtained)
            {
                boost::throw_exception(future_already_retrieved());
            }
            future_obtained=true;
            return BOOST_THREAD_FUTURE<R>(future_);
        }

#if defined  BOOST_NO_CXX11_RVALUE_REFERENCES
        template <class TR>