Hi Marcel,

> On Nov 24, 2022, at 1:03 AM, Marcel Taeumel <marcel.taeumel at hpi.de> wrote:
> 
> 
> +1 Even for a loop-based algorithm, clarity would improve if the initial case would be flagged with a symbol, not nil:
> 
> x := #start.
> [ ... ] whileTrue: [
>    x = #start ifTrue: [x := ... ].
>    ...
> ].

Please don’t take this personally; I find the above pretentious in the extreme, and, given how much thought Smalltalk-80’s designers gave to initializing with nil (again it’s in the blue book), displaying and/or celebrating ignorance.  So -1,000.

> 
> Best,
> Marcel
>> Am 23.11.2022 21:23:27 schrieb Tobias Pape <das.linux at gmx.de>:
>> 
>> Yet, nil is only seldom a good domain object.
>> -t
>> 
>> > On 23. Nov 2022, at 19:34, tim Rowledge wrote:
>> > 
>> > I won't quote it all again but what Eliot wrote is important. There are good solid reasons why Smalltalk has a rigorously defined UndefinedObject. We demand rigorously defined areas of doubt and uncertainty!
>> > 
>> > tim
>> 
>> 
>> 
>> 
> 
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