// examples in 03_cmake shows more things but is not finished yet

#include <iostream>

#include <vector>

#include <string>

#include <future>

#include <thread>

class MyClass

{

public:

void modifyVecAsync() {

std::future<void> future = std::async(std::launch::async, &MyClass::modifyVec, this);

std::future<void> f2 = std::async(std::launch::async, &MyClass::modifyStr, this, "Async");

future.get(); // wait for the async func to complete

}

void modifyVec() {

for (int i = 0 ; i < 10; i++) {

vec.push_back(i);

std::cout << "added " << i << " to the vector" << std::endl;

std::this_thread::sleep_for(std::chrono::milliseconds(500));

}

}

void modifyStrAsync() {

std::future<void> future = std::async(std::launch::async, &MyClass::modifyStr, this, "Async");

// future.get(); // wait for the async func to complete

}

void modifyStr(const std::string& suffix) {

str += suffix;

std::cout << "modified string: " << str << std::endl;

}

private:

std::string str;

std::vector<int> vec;

};

int main()

{

MyClass obj;

obj.modifyVecAsync();

obj.modifyStrAsync();

std::this_thread::sleep_for(std::chrono::seconds(5));

return 0;

}