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Question #109 Difficulty:
According to the C++23 standard, what is the output of this program?
#include <functional>
#include <iostream>
template <typename T>
void call_with(std::function<void(T)> f, T val)
{
f(val);
}
int main()
{
auto print = [] (int x) { std::cout << x; };
call_with(print, 42);
}
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