[Pharo-project] What is the difference between ActionSequence and WeakActionSequence
Mariano Martinez Peck
marianopeck at gmail.com
Fri Jan 13 10:48:33 EST 2012
On Fri, Jan 13, 2012 at 4:44 PM, Guillermo Polito <guillermopolito at gmail.com
> But they are both defined the same way!
> Array variableSubclass: #WeakActionSequence
> instanceVariableNames: ''
> classVariableNames: ''
> poolDictionaries: ''
> category: 'Kernel-Objects'
> The only reference to it's weakness it its name! :P
I also see
^WeakActionSequenceTrappingErrors withAll: self
> On Fri, Jan 13, 2012 at 12:39 PM, Henrik Johansen <
> henrik.s.johansen at veloxit.no> wrote:
>> On Jan 13, 2012, at 4:33 23PM, Guillermo Polito wrote:
>> > In 1.3 they look the same, in 1.4 ActionSequence is not there any
>> > Is the second one replacing the first one? are there any differences
>> for the user?
>> > Thanks,
>> > Guille
>> ActionSequence was not referenced by the base system any more, not sure
>> why it was removed instead of deprecated.
>> And yes, there is a difference for a user, the WeakActionSequence holds
>> actions weakly, while ActionSequence held them strongly.
>> (WeakActionSequence automatically removes the actions when there are no
>> other references to the registrar, while ActionSequence did not, and you
>> had to unregister manually before it would stop executing them)
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