cpp33.cpp

C++参考书

// Coded by plusir -- Jan.05.2003.
// Standard C++ Bible -- (P352-11-33)

#include <iostream>
using namespace std ;

class AValue
{
	public:
		AValue( int v ) : val( v ), rptct( 0 ) { }

		~AValue( void )
		{
			cout << "Avalue: " << val << " was reported " << rptct << " times." << endl ;
		}

		void report( void ) const
		{
			rptct++ ;
			cout << val << endl ;
		}

	private:
		int val ;
		mutable int rptct ;
} ;

int main()
{
	const AValue aval( 123 ) ;
	aval.report() ;
	aval.report() ;
	aval.report() ;

	return 0 ;
}