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COPYRIGHT (c) 2018 by Claus Gittinger
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All Rights Reserved
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This software is furnished under a license and may be used
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only in accordance with the terms of that license and with the
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inclusion of the above copyright notice. This software may not
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be provided or otherwise made available to, or used by, any
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other person. No title to or ownership of the software is
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hereby transferred.
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"
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"{ Package: 'stx:libbasic' }"
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"{ NameSpace: Smalltalk }"
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Object subclass:#EOFObject
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instanceVariableNames:''
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classVariableNames:'TheOneAndOnlyEOF'
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poolDictionaries:''
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category:'Kernel-Objects'
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!
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!EOFObject class methodsFor:'documentation'!
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copyright
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"
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COPYRIGHT (c) 2018 by Claus Gittinger
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All Rights Reserved
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This software is furnished under a license and may be used
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only in accordance with the terms of that license and with the
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inclusion of the above copyright notice. This software may not
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be provided or otherwise made available to, or used by, any
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other person. No title to or ownership of the software is
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hereby transferred.
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"
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!
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documentation
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"
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there is only one instance of this class: EOF,
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representing an EOF token.
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This is mainly present for stream-pipe processing,
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and may be used to signal the end of a stream.
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Smalltalk code does not normally use it.
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[author:]
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Claus Gittinger
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"
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! !
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!EOFObject class methodsFor:'instance creation'!
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basicNew
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TheOneAndOnlyEOF isNil ifTrue:[
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TheOneAndOnlyEOF := super basicNew.
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].
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^ TheOneAndOnlyEOF
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"
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EOFObject basicNew
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EOFObject new
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"Modified: / 20-12-2018 / 16:57:47 / Claus Gittinger"
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! !
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!EOFObject class methodsFor:'class initialization'!
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initialize
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|singleton|
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singleton := self basicNew.
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Smalltalk at:#EOF put:singleton
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"Modified: / 14-03-2018 / 19:32:23 / stefan"
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"Modified (format): / 20-12-2018 / 16:56:32 / Claus Gittinger"
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! !
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!EOFObject methodsFor:'printing & storing'!
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printOn:aStream
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aStream nextPutAll:'<EOF>'.
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"Modified: / 20-12-2018 / 16:58:09 / Claus Gittinger"
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! !
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!EOFObject methodsFor:'queries'!
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isEOF
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^ true
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"
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EOF isEOF
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"
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"Created: / 20-12-2018 / 16:57:59 / Claus Gittinger"
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! !
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!EOFObject class methodsFor:'documentation'!
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version_CVS
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^ '$Header$'
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! !
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EOFObject initialize!
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