/****************************************************************
example 3 -- length.h
    feet/inches manager
****************************************************************/
#include <iostream>
using namespace std;

//class definition
class length {
    private:
        int feet;
        int inches;
    public:
        length(const int& f = 0, const int& i = 0);
        void show(ostream& out = cout) {
            out << feet << '\'' << inches << '"';
        }
        void grow(const float& = 1.0);
};