Have a look at my old JOOP paper on message passing control - you can have anonymous subclasses where you compile some methods+ changeclass.
Stef On 04 Feb 2014, at 19:30, Sean P. DeNigris <s...@clipperadams.com> wrote: > What would be the best way (as an experiment) to change the behavior of just > one instance. For example, say: > SpecialMorph>>#color > ^ Color blue. > but (the effect of) > aSpecialMorph>>#color > ^ owner color. > > > > ----- > Cheers, > Sean > -- > View this message in context: > http://forum.world.st/Instance-specific-behavior-tp4741502.html > Sent from the Pharo Smalltalk Users mailing list archive at Nabble.com. >