How do I make main a friend of my class from within a library?

Question

Please see my first attempt at answering this . I neglected to tell the whole story before in an attempt to simplify things. Turns out my example works! Sorry.

The w

Answer 1

Just declare the main outside the MyNamespace and specify global namespace :: in friend statement

//in header file of ProcessManager
//your pf.h

int main(int argc, char** argv);

namespace MyNamespace
{
  class ProcessManager
  {
  public:
    friend int ::main(int argc, char** argv);
  private:
    void test();
  };
};