1 2 #include <iostream> 3 4 5 next()6 int next() { 7 static int i = 0; 8 std::cout << "incrementing " << i << std::endl; 9 return ++i; 10 } 11 main()12 int main() { 13 int i = 0; 14 while (i < 5) 15 i = next(); 16 return 0; 17 } 18