Been at this for a while now. Can't for the life of me figure it out... All help is very much appreciated.

Code:
#include "Menu2.h"
#include <iostream>
//additional includes

using namespace std;

Menu::Menu() 
{


void Menu::display_main_menu() const 
{
	cout << "Here is the MAIN MENU \n";
}
void Menu::display_info() const
...