#include <iostream>

struct Tester
{
    Tester()
    {
        // even though 'x' and 'hw' have not been declared yet
        // names declared in a class have scope in all constructors
        // and functions in the class see [3.3.6]
        x = 0;
        hw();
    }
    
    void hw()
    {
        using namespace std;
        cout << "Hello World" <<  endl;
    }

    int x;
};

int main(int argc, char** argv)
{
    Tester t;

    return 0;
}