#include <iostream>
#include <functional>
int
main()
{
std::function<bool(int)> f(
[] (int n) -> bool {
return !(n % 3 || n % 5);
}
);
if (f(15)) std::cout << "stfu!" << std::endl;
if (!f(8)) std::cout << "stfu anyway!" << std::endl;
return 0;
}
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