Hi Michael,
Thanks for this explanation, really interesting to me. I actually never had the
occasion to use fn:fold-left/right functions. Probably because I’m sticked with
XSLT 2 and discover XSLT 3 features step by step.
I’ll definitely have a look to this lower level primitive, I’ll need to change
my mind using maps and array which is not yet natural to me :)
By the way, I see a lot questions about grouping here, that’s why I shared this
lib and approach.
This was the first time I used high order function in this “almost” generic
grouping actually.
Cheers,
Matthieu
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