[Newbies] Re: break out of do

[Bert Freudenberg]

Am 03.10.2008 um 09:27 schrieb Randal L. Schwartz:

>>>>>> "Nicolas" == Nicolas Cellier <ncellier at ifrance.com> writes:
>
> Nicolas> For the fun of it, see also
>
> Nicolas> http://article.gmane.org/gmane.comp.lang.smalltalk.gnu.general/3375/match=break
>
> Oww.  I remember that.  It makes my head hurt.
>
> You could even go further:
>
>    Object >> valuedEscaper: aBlock
>       ^ aBlock value: [ :finalValue | ^finalValue ]
>
>    ...
>
>    found := self valuedEscaper: [:escape |
>           1 to: 10 do: [ :x |
>               x = 3 ifTrue: [escape value: true].
>           ]
>    false].
>
> Oh geez.  I think I just reinvented continuations. :)



That would be a perfect opportunity to employ  
#valueWithPossibleArgument:.

- Bert -