How to iterate std::set?

Question

I have this code:

std::set::iterator it;
for (it = SERVER_IPS.begin(); it != SERVER_IPS.end(); ++it) {
    u_long f = it; // error here
         


        

Answer 1

Another example for the C++11 standard:

set data;
data.insert(4);
data.insert(5);

for (const int &number : data)
  cout << number;