Untitled

C   - Boost.Promise, Boost.Unique_Future and Move Semantics

#include <iostream>

#include <cassert>

#include <boostthread.hpp>

#include <boostthreadfuture.hpp>

 

void thFun(boost::promise<std::string> & prms)

{

    std::string str("Hi from future!");

    prms.set_value(str);

}

 

int main()

{

    boost::promise<std::string> prms;

    boost::unique_future<std::string> fut = prms.get_future();

 

    boost::thread th(&thFun, std::move(prms)); // error C2248: 'boost::promise<R>::promise' : cannot access private member declared in class 'boost::promise<R>'

 

    std::cout << "Hi from main!";

    std::string str = fut.get();

    std::cout << str << std::endl;

    th.join();

 

    return 0;

}

       

boost::thread th(&thFun, std::move(prms));