On Wed, 2024-09-18 at 13:08 +0200, Christian Grün wrote:
>
> In addition, XQuery 4 will allow all of us to write self-referencing
> variable declarations (it’s already supported by the latest
> snapshot):
>
> declare variable $factorial := fn($x) {
> if($x > 1) then $x + $factorial($x - 1) else $x
> };
> $factorial(5)
Hmm, what if there's a $factorial in scope already? (this is a
technique i teach for taking advantage of closures to hide data)
> >
--
Liam Quin, https://www.delightfulcomputing.com/
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