basics/tasksbug.cpp

The following code example is taken from the book
C++ Move Semantics - The Complete Guide by Nicolai M. Josuttis, Leanpub, 2020
The code is licensed under a Creative Commons Attribution 4.0 International License.

---

// raw code

#include "tasksbug.hpp"
#include <iostream>
#include <chrono>
#include <exception>

int main()
{
  try {
    Tasks ts;
    ts.start([]{
               std::this_thread::sleep_for(std::chrono::seconds{2});
               std::cout << "\nt1 done" << std::endl;
             });
    ts.start([]{
               std::cout << "\nt2 done" << std::endl;
             });

    // OOPS: move tasks:
    Tasks other{std::move(ts)};
  }
  catch (const std::exception& e) {
    std::cerr << "EXCEPTION: " << e.what() << std::endl;
  }
}