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|ID||Category||Severity||Reproducibility||Date Submitted||Last Update|
|0007767||[Squeak] Traits||minor||always||06-04-13 13:43||07-03-16 04:29|
|Summary||0007767: - does not respect brackets|
|Description||In the composition (S + T) - m, where m is a set of excluded selectors, m is not removed from the TraitComposition (S + T), but only from T.|
(0014569 - 447 - 603 - 603 - 603 - 603 - 603)
Does anyone have a strong opinion on this one? The behavior was intended like that as can be seen in this method:
"the modifier operators #@ and #- bind stronger than +.
Thus, #@ or #- sent to a sum will only affect the most right summand"
self addLast: (self removeLast - anArray)
However, this violates the normal evaluation order of Squeak Smalltalk, so I would propose, that we remove this behavior.
(0014571 - 221 - 233 - 443 - 443 - 443 - 443)
I asked the Pharo guys (where most of the people who wrote the papers on Traits hang out), and their reply is here: http://lists.pharo.org/pipermail/pharo-dev_lists.pharo.org/2013-June/080155.html [^]
The gist? It's a bug.
(0014572 - 357 - 478 - 478 - 478 - 478 - 478)
Thanks for the hint :)
So, I am going to change this to the Pharo equivalent but without the comment which is kind of confusing, as the behavior does not look like #- would bind stronger than #+ anymore.
"the modifier operators #@ and #- bind stronger than +"
self transformations: (self transformations collect: [ :t | t - anArray ])
(0014591 - 614 - 701 - 977 - 977 - 977 - 977)
Patrick Rein uploaded a new version of Traits to project The Trunk:
==================== Summary ====================
Time: 20 November 2015, 2:58:26.562 pm
This fixes http://bugs.squeak.org/view.php?id=7767 [^] which is about the - and @ operator of Trait compositions ignoring brackets. This implementation uses the
+normal left to right evaluation order of Smalltalk to avoid confusions about the way trait composition expressions are evaluated.
|06-04-13 13:43||FrankShearar||New Issue|
|06-04-13 13:43||FrankShearar||Status||new => assigned|
|06-04-13 13:43||FrankShearar||Assigned To||=> dvf|
|06-04-13 13:43||FrankShearar||Assigned To||dvf => FrankShearar|
|11-18-15 15:21||Patrickr||Note Added: 0014569|
|11-18-15 15:29||FrankShearar||Note Added: 0014571|
|11-18-15 15:42||Patrickr||Note Added: 0014572|
|07-03-16 04:29||lewis||Status||assigned => resolved|
|07-03-16 04:29||lewis||Resolution||open => fixed|
|07-03-16 04:29||lewis||Note Added: 0014591|
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