On Dec 26, 2009, at 11:44 PM, Julian Fitzell wrote: > Personally, I would rather see #ifEmpty: modified to return self in > the false case like #ifNil: does. The only in-image sender I can find > that even uses the return value seems to actually expect this > behaviour anyway. :)
what is the behavior in other dialects ? :) Do you have some nice tests to cover the semantics? Did you do the change and see what break? Stef > > Then you could simply write: > > (aCollection select: [:ea | ...]) ifEmpty: [ ... ] > > Julian > > 2009/12/26 Bart Gauquie <bart.gauq...@gmail.com>: >> Dear all, >> >> While developing some code, I made following extension of the Collection >> protocol: >> select: aBlock ifNoneTakeAsDefault: aDefaultValue >> |result| >> result := self select: aBlock. >> (result isEmpty) >> ifTrue: [^self class with: aDefaultValue] >> ifFalse: [^result]. >> >> Maybe this could be added to the Pharo 1.1 Collection clazz? Or do we want >> to keep the interface of Collection as small as possible (which is also a >> good idea!). >> Kind Regards, >> Bart >> -- >> imagination is more important than knowledge - Albert Einstein >> Logic will get you from A to B. Imagination will take you everywhere - >> Albert Einstein >> Learn from yesterday, live for today, hope for tomorrow. The important thing >> is not to stop questioning. - Albert Einstein >> The true sign of intelligence is not knowledge but imagination. - Albert >> Einstein >> Gravitation is not responsible for people falling in love. - Albert Einstein >> >> _______________________________________________ >> Pharo-project mailing list >> Pharo-project@lists.gforge.inria.fr >> http://lists.gforge.inria.fr/cgi-bin/mailman/listinfo/pharo-project >> > > _______________________________________________ > Pharo-project mailing list > Pharo-project@lists.gforge.inria.fr > http://lists.gforge.inria.fr/cgi-bin/mailman/listinfo/pharo-project _______________________________________________ Pharo-project mailing list Pharo-project@lists.gforge.inria.fr http://lists.gforge.inria.fr/cgi-bin/mailman/listinfo/pharo-project
