Infinite recursion ? You use #ifTrue: in your implementation of Object>>#ifTrue:
Plus, non-booleans cannot meaningfully respond. How would you define the semantics of 123 ifTrue: [ ... ] > On 19 Mar 2018, at 10:18, Petr Fischer <petr.fisc...@me.com> wrote: > > Hello, I have some sort of philosophical question about ifTrue:/ifFalse: > implementation. > > Now, ifTrue: is defined in the Boolean class (subclassResponsibility) + in > True and False classes, so, we can send this message to the boolean > expressions (instances) only, otherwise DND occurs. > > But we can also define one universal ifTrue: right in the Object class, in > this style: > > Object>>ifTrue: .... > (self = true) ifTrue: [ ... ]. > > then, we can send ifTrue: message to ANY object and it will work correctly > without DND exception on non-boolean objects. > > Is something bad about this idea? > > Thanks! pf >
