2016-10-31 12:11 GMT-03:00 Norbert Hartl <norb...@hartl.name>: > > Am 31.10.2016 um 15:59 schrieb p...@highoctane.be: > > but you should use myCollection ifEmpty: [ ... ] > > Why?
It enables you to implement polymorphism with an object that might not be aCollection, but behaves like one. Of course you could also implement #isEmpty, but in my experience the less you test (#isEmpty) and the more you delegate (ifEmpty:) the better. :) Regards, Esteban A. Maringolo
