On Tue, Nov 29, 2011 at 2:31 PM, Wolfgang Laun <wolfgang.laun@gmail.com> wrote:

On 29 November 2011 15:17, Davide Sottara <dsotty@gmail.com> wrote:
> What about a "custom" accumulate function?
>

Then I might as well use init/action/result, as the original poster
did. Also according to him, having it all in DRL is sometimes
preferable. If you have the collection already there (not as the
result of a "from collect" as in my example) a direct transformation
from collection to collection would be preferable.

But, again, I think this is too rarely needed to warrant a new feature.

> query "sortedItems"
> $sortedValues: List() from accumulate (
> $f : Fact()
> sortByAnyMethodYouPrefer( $f )
> )
> end
>
> We could provide some implementations, even better if incremental.
> In the future, we'll probably provide even better native support for
> this kind of operations.
>
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