There is #newAnonymousSubclass for creating a subclass from the current class.
It seems that this is what this code is trying to do. Marcus > On 15 Jan 2017, at 09:40, stepharong <stephar...@free.fr> wrote: > > HI > > I need to migrate > > pvtNewSubclass > > | newClass | > newClass := Behavior new. > newClass superclass: self. > newClass setFormat: (ClassBuilder new computeFormat: #normal instSize: > 0 forSuper: self ccIndex: 0). > ^newClass > > and I'm looking at how to express (ClassBuilder new computeFormat: #normal > instSize: 0 forSuper: self ccIndex: 0). in Pharo 60. > > Stef >