cpp05.cpp

C++参考书

// Coded by plusir -- Jan.14.2003.
// Standard C++ Bible -- (P748-27-5)

#include <iostream>
using namespace std ;

class A
{
	public:
		A( int v ) : val( v ), rptct( 0 ) { }
		~A( void ) { cout << val << " was reported " << rptct << " times." << endl ; }
		void report( void ) const
		{
			const_cast<A*>( this )->rptct++ ;
			cout << val << endl ;
		}

	private:
		int val ;
		int rptct ;
} ;

int main()
{
	const A a( 123 ) ;

	a.report() ;
	a.report() ;
	a.report() ;

	return 0 ;
}