text: 
  #include "trip_planner/core/menu/default_behaviour.h"
  
  using namespace std;
  
  namespace trip_planner {
  
  	int default_behaviour::display() {
  		cout << " -- Trip Planner --" << endl << endl;
  		cout << " [1] Start " << endl;
  		cout << " [0] Exit. " << endl;
  		cout << endl << " Input: ";
  
  		string input;
  		getline(cin, input);
  
  		if (input.length() > 1)
  			return 1;
  
  		switch (input[0]) {
  		case '0':
  			return 0;
  		case '1':
  			break;
  		default:
  			return 1;
  		}
  
  		menu::instance().set_behaviour(CRITERIA);
  
  		return 1;
  	}
  }
  