#include <iostream>
bool
foo()
{
const int i = 3;
if ( i == 2 || i == 3 || i == 5 ) {
std::cerr << "Very small prime!\n";
}
const auto isSmallPrime = i == 2 || i == 3 || i == 5 || i == 7 || i == 11;
return isSmallPrime || i == 13 || i == 17 || i == 19;
}