Something like self performIfExists: #blah
would reduce the noise a lot :) Then in this methods, we do what we want ^^ Ben On May 14, 2013, at 5:32 PM, Frank Shearar <[email protected]> wrote: > On 14 May 2013 16:21, Stéphane Ducasse <[email protected]> wrote: >> Hi >> >> I'm in favor killing all the respondsTo: >> >> acceptTextMorphs >> "Accept any text morphs except for those that have no edits." >> >> self allMorphs do: [:p | >> ((p respondsTo: #accept) and: [ >> (p respondsTo: #hasUnacceptedEdits) and: [ >> p hasUnacceptedEdits]]) ifTrue: [p accept]] > > They're a step up from #isKindOf:. It looks like you need is something > that says "does this object respond to a particular set of messages > (i.e., a Protocol)?". (No, Nicolas, I don't mean a message category! > :) ) > > But in this particular case the solution looks like making a > #insertADecentNameHere that particular classes of things can implement > as "^ self hasUnacceptedEdits ifTrue: [self accept]" > > frank >
