default1.cpp

Code

/*
    default1.cpp
    David Klick
    CIS 250
    2005-02-21

    Demonstrates default arguments and enumeration.
*/

#include <iostream>
#include <string>
using std::string;

enum ALIGN { LEFT, CENTER, RIGHT };
void banner(string msg, ALIGN align=LEFT);

int main(void) {
    string str = "Demonstration of default values";
    // demonstration of function overloading
    banner(str);
    banner(str, LEFT);
    banner(str, CENTER);
    banner(str, RIGHT);
    return 0;
}

void banner(string s, ALIGN al) {
    using std::cout;
    using std::endl;

    int n;
    switch (al) {
    case LEFT:
        n = 0;
        break;
    case CENTER:
        n = (80 - s.length()) / 2;
        break;
    case RIGHT:
        n = 80 - s.length();
    }
    while (n-- > 0) cout << ' ';
    cout << s << endl;
    return;
}