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+1 Even for a loop-based algorithm, clarity would improve if the initial case would be flagged with a symbol, not nil:<div><br></div><div>x := #start.</div><div>[ ... ] whileTrue: [</div><div> x = #start ifTrue: [x := ... ].</div><div> ...</div><div>].</div><div><br></div><div>Best,</div><div>Marcel</div><div class="mb_sig"></div><blockquote class='history_container' type='cite' style='border-left-style:solid;border-width:1px; margin-top:20px; margin-left:0px;padding-left:10px;'>
<p style='color: #AAAAAA; margin-top: 10px;'>Am 23.11.2022 21:23:27 schrieb Tobias Pape <das.linux@gmx.de>:</p><div style='font-family:Arial,Helvetica,sans-serif'>Yet, nil is only seldom a good domain object.<br>-t<br><br>> On 23. Nov 2022, at 19:34, tim Rowledge <tim@rowledge.org> wrote:<br>> <br>> 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!<br>> <br>> tim<br><br><br><br><br></tim@rowledge.org></div></blockquote>
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