class MINUS inherit STATE feature operation is -- Subtract top element of stack with register. do register := operand_stack.item - register ensure then register = operand_stack.item - old register end; end -- class MINUS --|---------------------------------------------------------------- --| EiffelBase: Library of reusable components for Eiffel. --| Copyright (C) 1986-2001 Interactive Software Engineering (ISE). --| For ISE customers the original versions are an ISE product --| covered by the ISE Eiffel license and support agreements. --| EiffelBase may now be used by anyone as FREE SOFTWARE to --| develop any product, public-domain or commercial, without --| payment to ISE, under the terms of the ISE Free Eiffel Library --| License (IFELL) at http://www.eiffel.com/products/base/license.html. --| --| Interactive Software Engineering Inc. --| ISE Building --| 360 Storke Road, Goleta, CA 93117 USA --| Telephone 805-685-1006, Fax 805-685-6869 --| Electronic mail --| Customer support: http://support.eiffel.com> --| For latest info see award-winning pages: http://www.eiffel.com --|----------------------------------------------------------------