[squeak-dev] What is happening here?

Louis LaBrunda Lou at Keystone-Software.com
Mon Apr 4 14:28:20 UTC 2022


Hi St├ęphane,

Please don't take this the wrong way, I'm just trying to nudge you in the right direction.  Try looking at the
size/contents of #s after "10 timesRepeat: [s add: b]".

Lou

On Mon, 4 Apr 2022 16:19:59 +0200, St├ęphane Rollandin <lecteur at zogotounga.net> wrote:

>Hello all,
>
>I just spent an hour or so chasing a strange glitch in my game, which 
>makes a massive usage of Random, and the culprit is as follow:
>
>
>1) This, as expected, yields a Set of 10 different numbers:
>
>	| b s |
>
>	b := [Random new].
>	s := Set new.
>	10 timesRepeat: [s add: b value next].
>	s
>
>
>2) This yields a Set of one single number:
>
>	| b s |
>
>	b := [Random new].
>	s := Set new.
>	10 timesRepeat: [s add: b].
>	s collect: [:d | d value next]	
>
>
>Unless I am missing something, this looks like a pretty serious bug.
>
>Tested in the latest trunk image, on win 64.
>
>Stef
>
-- 
Louis LaBrunda
Keystone Software Corp.
SkypeMe callto://PhotonDemon



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