point.cpp

来自「包含了形形色色的c基本程序。」· C++ 代码 · 共 39 行

// Fig. 19.4: point.cpp
// Member functions for class Point
#include <iostream>
#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;
} // end function setPoint

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

   return output;   // enables cascaded calls
} // end operator<< function



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