fun_def.cpp

又是本人编的小程序,是CC++中的重点和难点,重载运算符,小程序而已,

/*
//------------      member-function defition      ------------

# include <iostream>

using namespace std;


# include <iomanip>

using std::setw;


# include "head.h"



//overloaded stream-insertion operator;
//PhoneNumber::
ostream &operator<<(ostream &output, const PhoneNumber &num )
{
	output << "(" << num.areaCode << ")"
		<< num.exchange << "-" << num.line;

	return output;
}


//overloaded stream-extraction operator;
//PhoneNumber::
istream &operator>>(istream &input, PhoneNumber &num )
{
	input.ignore();
	input >> setw( 4 ) >> num.areaCode;
	input.ignore( 2 );
	input >> setw( 4 ) >> num.exchange;
	input.ignore();
	input >> setw( 5 ) >> num.line;

	return input;
}
*/