"====================================================================== | | Symbol 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 19 Sep 89 Changed to use real method categories. | | sbyrne 25 Apr 89 created. | " String variableByteSubclass: #Symbol instanceVariableNames: '' classVariableNames: '' poolDictionaries: '' category: nil. Symbol comment: 'My instances are unique throughout the Smalltalk system. My instances behave for the most part like strings, except that they print differently, and I guarantee that any two instances that have the same printed representation are in fact the same instance.' ! !Symbol class methodsFor: 'instance creation'! internCharacter: aCharacter | s | s _ String new: 1. s at: 1 put: aCharacter. ^self intern: s !! !Symbol methodsFor: 'converting'! asSymbol ^self !! !Symbol methodsFor: 'misc'! species ^String !! !Symbol methodsFor: 'storing'! storeOn: aStream ('#' , self) printOn: aStream !!