File: promise0.cc

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c%2B%2B-annotations 12.2.0-2
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#include <iostream>
using namespace std;

//code
void compute(int *ret)
{
    *ret = 9;
}

int main()
{
    int ret = 0;
    std::thread(compute, &ret).detach();
    cout << ret << '\n';
}
//=