--| Copyright (c) 1993-2006 University of Southern California and contributors. --| All rights reserved. --| Your use of this work is governed under the terms of the GNU General --| Public License version 2. class TEST creation make feature make is do try end try is require ok: is_non_void (weasel); do end is_non_void (x: ANY): BOOLEAN is do end feature {NONE} weasel: TEST; end