Portability: Removed tests/asserts referring to BlockClosure
Due to historical reasons, there's no BlockClosure in Smalltalk/X,
the class is named Block. Conversely, there's no Block in Squeak/Pharo.
"{ Package: 'stx:goodies/petitparser' }"
PPDelegateParser subclass:#PPOptionalParser
instanceVariableNames:''
classVariableNames:''
poolDictionaries:''
category:'PetitParser-Parsers'
!
!PPOptionalParser methodsFor:'parsing'!
parseOn: aPPContext
| element |
element := parser parseOn: aPPContext.
^ element isPetitFailure ifFalse: [ element ]
! !
!PPOptionalParser class methodsFor:'documentation'!
version_SVN
^ '$Id: PPOptionalParser.st,v 1.4 2014-03-04 14:33:10 cg Exp $'
! !