The following code example is taken from the book
C++17 - The Complete Guide
by Nicolai M. Josuttis,
Leanpub, 2017
The code is licensed under a
Creative Commons Attribution 4.0 International License.
// raw code
#include <iostream>
#include <string>
#include <thread>
class Data {
private:
std::string name;
public:
Data(const std::string& s) : name(s) {
}
auto startThreadWithCopyOfThis() const {
// start and return new thread using this after 3 seconds:
using namespace std::literals;
std::thread t([*this] {
std::this_thread::sleep_for(3s);
std::cout << name << '\n';
});
return t;
}
};
int main()
{
std::thread t;
{
Data d{"c1"};
t = d.startThreadWithCopyOfThis();
} // d is no longer valid
t.join();
}