"====================================================================== | | Boolean Method Definitions | ======================================================================" "====================================================================== | | Copyright (C) 1990, 1991 Free Software Foundation, Inc. | Written by Steve Byrne. | | This file is part of GNU Smalltalk. | | GNU Smalltalk is free software; you can redistribute it and/or modify it | under the terms of the GNU General Public License as published by the Free | Software Foundation; either version 1, or (at your option) any later version. | | GNU Smalltalk is distributed in the hope that it will be useful, but WITHOUT | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS | FOR A PARTICULAR PURPOSE. See the GNU General Public License for more | details. | | You should have received a copy of the GNU General Public License along with | GNU Smalltalk; see the file COPYING. If not, write to the Free Software | Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. | ======================================================================" " | Change Log | ============================================================================ | Author Date Change | sbyrne 11 Feb 90 Converted to printOn: representation. | | sbyrne 25 Apr 89 created. | " Object subclass: #Boolean instanceVariableNames: '' classVariableNames: '' poolDictionaries: '' category: nil. Boolean comment: 'I have two instances in the Smalltalk system: true and false. I provide methods that are conditional on boolean values, such as conditional execution and loops, and conditional testing, such as conditional and and conditional or. I should say that I appear to provide those operations; my subclasses True and False actually provide those operations.' ! !Boolean methodsFor: 'storing'! storeOn: aStream self printOn: aStream "representation is the same" !!