#include <iostream>
#include <thread>
#include <future>

using namespace std;

int sum(int a, int b)
{
    return a+b;
}

int increment(int a)
{
    return ++a;
}

int main() {
    int i=5;
    future<int> fd = async(sum,3,5);
    future<int> fi = async(increment, i);

    double zbir = fd.get();
    i = fi.get();

    cout << "Zbir je: " << zbir  << endl;
    cout << "i=" << i << endl;


    return 0;

}