Replace `ifNil:[...]` with `isNil ifTrue:[...]`
The latter is optimized by compilers and therefore faster.
"{ Package: 'stx:goodies/petitparser' }"
PPParser subclass:#PPEpsilonParser
instanceVariableNames:''
classVariableNames:''
poolDictionaries:''
category:'PetitParser-Parsers'
!
!PPEpsilonParser methodsFor:'*petitanalyzer-testing'!
isNullable
^ true
! !
!PPEpsilonParser methodsFor:'parsing'!
parseOn: aStream
^ nil
! !
!PPEpsilonParser class methodsFor:'documentation'!
version
^ '$Header: /cvs/stx/stx/goodies/petitparser/PPEpsilonParser.st,v 1.4 2014-03-04 14:32:27 cg Exp $'
!
version_CVS
^ '$Header: /cvs/stx/stx/goodies/petitparser/PPEpsilonParser.st,v 1.4 2014-03-04 14:32:27 cg Exp $'
!
version_SVN
^ '$Id: PPEpsilonParser.st,v 1.4 2014-03-04 14:32:27 cg Exp $'
! !