[Pharo-dev] [Moose-dev] #deepCollect:

Frank Shearar frank.shearar at gmail.com
Fri Dec 13 13:49:06 EST 2013


On 13 December 2013 17:02, Chris Cunningham <cunningham.cb at gmail.com> wrote:
> Hi.
>
> I was reading with interest the blog post on Traversal-enabled objects (
> http://www.humane-assessment.com/blog/traversal-enabled-pharo-objects ) when
> I noticed the method #deepCollect: referenced.  Interestingly, I have a
> method called #deepCollect: that is use (wtih related methods like #deepDo:
> and #deepSelect:).  I suspect these uses may be compatible, with the
> traveral versions being more generic.
>
> My set of #deep methods allow arbitrary flattening of collections.  The
> #flatCollect: suite in Pharo today flattens objects 1 level; the
> #deepCollect: flattens the collections as many levels deep as they are
> nested.  I found this to be a really useful ability when I work with
> PetitParser parsings, which tend give back massively nested Arrays by
> default.

What about flattening during the parse, with #flatten?

frank

> If you are interested, it is published at:
> http://www.smalltalkhub.com/#!/~cbc/DeepCollection/ .
>
> -cbc




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