Тестовые примеры / ch2 / const

		// source module: const.C
		#include <iostream.h>

		static  int year = 0;

		class dates {

				int year, month, day;

			public:

				dates() { year=month=day = 0; };

				~dates() {};

							void set(int y) { year = y; };

				// const member functions

				void print( ostream& = cerr ) const;

				int sameDay(int d) const { return d==day; };

				// note: this function is overloaded

					void set(int y) const { ::year = y; };

		};



		void dates::print( ostream& os ) const {

			os << year << "," << month << "," << day << '\n';

		}



		int main() 

		{

			const dates foo;			// const object

			dates foo1;		// non-const object

			foo.set(1915);					// ::year = 1915

			foo.print(); 			// year=0, month=0, day=0

			foo1.set(25);		// foo1.year=25

			foo1.print();		// year=25,month=0,day=0

			return 0;

		}