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Question #297 Difficulty:
According to the C++23 standard, what is the output of this program?
#include <future>
#include <iostream>
int main()
{
auto f = std::async(std::launch::async, [](){ throw 0; });
try {
f.wait();
} catch (...)
{
std::cout << 1;
}
std::cout << 2;
}
Hint:
f.get()
throws the stored exception, if any. Here we call f.wait()
.
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