ted basically > Dog class>>newWhite > "Returns a new white instance of receiver." > ^self new > color: Color white; > yourself
is equivalent to > Dog class>>newWhite > "Returns a new white instance of receiver.” > | instance | instance := self new. instance color: Color white; > > ^ instance So this is really when you do not know what a subclass may do with reimplementing color: so yourself make sure that your extenders can be doing crazy things, your job is good. S. > On 2 Aug 2020, at 19:55, tbrunz <wild.id...@gmail.com> wrote: > > Got it. Seems like an important point for those who are trying to understand > the difference between instances and classes. > > I've gotten strange results myself until I learned that #yourself is an > essential thing... > > -t > > > > -- > Sent from: http://forum.world.st/Pharo-Smalltalk-Users-f1310670.html > -------------------------------------------- Stéphane Ducasse http://stephane.ducasse.free.fr / http://www.pharo.org 03 59 35 87 52 Assistant: Aurore Dalle FAX 03 59 57 78 50 TEL 03 59 35 86 16 S. Ducasse - Inria 40, avenue Halley, Parc Scientifique de la Haute Borne, Bât.A, Park Plaza Villeneuve d'Ascq 59650 France