[Pharo-dev] a weak on:do:/when:do:

Esteban Lorenzano estebanlm at gmail.com
Wed Aug 28 06:54:47 EDT 2013


no, it is not. 
that will keep the registry forever because it acts over a block (no ephemerons, remember)

Esteban

On Aug 28, 2013, at 11:56 AM, Tudor Girba <tudor at tudorgirba.com> wrote:

> Does this work?
> 
> Doru
> 
> 
> On Wed, Aug 28, 2013 at 11:54 AM, Stéphane Ducasse <stephane.ducasse at inria.fr> wrote:
> whenListChanged: aBlock
>         "Specify a block to value after the contents of the list has changed"
> 
>         "Basically when you set a new list of items"
> 
>         <api: #event>
>         | block |
>         block := [ :announcement :ann |
>         aBlock
>                 cull: announcement newContents
>                 cull: announcement oldContents
>                 cull: announcement
>                 cull: ann ].
>         listAnnouncer weak
>                 when: ValueChanged
>                 do: block
> 
> 
> 
> 
> -- 
> www.tudorgirba.com
> 
> "Every thing has its own flow"

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