point.cpp

来自「经典vc教程的例子程序」· C++ 代码 · 共 24 行

// Fig. 9.4: point.cpp
// Member functions for class Point
#include <iostream.h>
#include "point.h"

// Constructor for class Point
Point::Point( int a, int b ) { setPoint( a, b ); }

// Set x and y coordinates of Point
void Point::setPoint( int a, int b )
{
   x = a;
   y = b;
}

// Output Point (with overloaded stream insertion operator)
ostream &operator<<( ostream &output, const Point &p )
{
   output << '[' << p.x << ", " << p.y << ']';

   return output;   // enables cascaded calls
}