#include<future>
#include<iostream>
#include<array>
#include<algorithm>
std::array<int, 100> arr;
int sum=0;
struct Wrapper
{
void consume()
{
std::cout << std::this_thread::get_id() << std::endl;
std::for_each(arr.begin(), arr.end(), [](int val) {sum+=val; });
std::cout << sum << std::endl;
}
bool produce()
{
std::cout << std::this_thread::get_id() << std::endl;
auto temp = { 1,0,3 };
return true;
}
};
int main()
{
std::fill(arr.begin(), arr.end(), 1);
std::cout << std::this_thread::get_id() << std::endl;
Wrapper wrap;
std::future<bool> fut = std::async(std::launch::async, &Wrapper::produce, &wrap);
if (fut.get())
std::async(std::launch::async, &Wrapper::consume, &wrap).get();
}
