stone.cpp

一本很好的C++学习的丛书！初学者必看的

// stone.cpp -- user-defined conversions
// compile with stonewt.cpp
#include <iostream>
using std::cout;
#include "stonewt.h"
void display(const Stonewt & st, int n);
int main()
{
    Stonewt pavarotti = 260; // uses constructor to initialize
    Stonewt wolfe(285.7);    // same as Stonewt wolfe = 285.7;
    Stonewt taft(21, 8);

    cout << "The tenor weighed ";
    pavarotti.show_stn();
    cout << "The detective weighed ";
    wolfe.show_stn();
    cout << "The President weighed ";
    taft.show_lbs();
    pavarotti = 265.8;       // uses constructor for conversion
    taft = 325;             // same as taft = Stonewt(325);
    cout << "After dinner, the tenor weighed ";
    pavarotti.show_stn();
    cout << "After dinner, the President weighed ";
    taft.show_lbs();
    display(taft, 2);
    cout << "The wrestler weighed even more.\n";
    display(422, 2);
    cout << "No stone left unearned\n";
    return 0;
}

void display(const Stonewt & st, int n)
{
    for (int i = 0; i < n; i++)
    {
        cout << "Wow! ";
        st.show_stn();
    }
}