#include <cstdlib>
#include <iostream>
[[nodiscard]] constexpr auto clamp(int value, int min, int max) noexcept
{
if (value <= min)
return min;
else if (max <= value)
return max;
return value;
// won't be executed past 'return' statement
std::exit(value);
}
int main() noexcept
{
std::cout << clamp(1, 2, 4);
std::cout << clamp(3, 2, 4);
std::cout << clamp(5, 2, 4);
return 0; // the value '0' that in main() indicates a success
}
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