Re: [sc-dev] Weird bug with Dictionary-atFail

[Alberto de Campo <adc@xxxxxx>]

> Dictionary-atFail is broken. It works when called by itself, but the 
> reference in Object-dependants causes very weird behavior.
>
> Point(0, 0).dependants
>
> You would expect this to output nil, but instead it posts a blank line.
>
> Point(0, 0).dependants.inspect
>
> Also outputs a blank line -- the object inspector does not open.
>
> (
> Point(0, 0).dependants.do({ "loop".postln });
> "done".postln;
> )
>
> You would expect this to post "done" -- but it doesn't.
>
> The bug is fixed by changing Object-dependants, removing the call to atFail:
>
> 	dependants {
> 		^dependantsDictionary.at(this) ?? { ^IdentitySet.new };
> 	}

actually, the problem is ithe second return in Object.dependants. if 
you change it from

	dependants {
		^dependantsDictionary.atFail(this, { ^IdentitySet.new });
	}

to

	dependants {
		^dependantsDictionary.atFail(this, { IdentitySet.new });
	}

it works as expected.

best,
adc
--
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Alberto de Campo
Bergstrasse 59/33
A-8020 Graz, Austria
e-mail : decampo@xxxxxx
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