While I can understand that RBProgramNodeVisitor >> visitMethodNode: aMethodNode does not return a value. - because visiting a program does not mean automatically to interpret it. RBProgramNodeVisitor >> visitMethodNode: aMethodNode self visitArgumentNodes: aMethodNode arguments. aMethodNode pragmas do: [ :each | self visitNode: each ]. self visitNode: aMethodNode body I was wondering if we could have visitBody RBProgramNodeVisitor >> visitMethodNode: aMethodNode self visitArgumentNodes: aMethodNode arguments. aMethodNode pragmas do: [ :each | self visitNode: each ]. self visitBody: aMethodNode RBProgramNodeVisitor >> visitBody: aMethodNode self visitNode: aMethodNode body So that subclasses can simply override it instead of being forced to override visitMethodNode: ? https://github.com/pharo-project/pharo/issues/5521 S -------------------------------------------- Stéphane Ducasse http://stephane.ducasse.free.fr / http://www.pharo.org 03 59 35 87 52 Assistant: Julie Jonas 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