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folding xml - reprise
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Catonano
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Mar 24, 2020, 6:13:36 AM
3/24/20
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Hi,
I'm trying to do something like a fold, but over a tree instead of a list. Is there anything like that?
If it's unclear what I mean, there's a mechanism like that in guile:
https://www.gnu.org/software/guile/manual/html_node/SXML-Tree-Fold.html
They use it e.g. for XML transformations, but it's really a generic operation and quite useful.
Here's a paper on it by Andy Wingo if anyone wants to know the theory behind:
https://pdfs.semanticscholar.org/d41a/175cf5bf19c795b940edf566988df05ee4a1.pdf
is there anything along those lines in Racket ?
Thanks in advance
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