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by lmm 1016 days ago
This feels recursion-schemesey. Something like:

    para (\t -> let asIs = (map fst t) in if(whereFn(asIs)) updateFn(asIs) else map snd t)
1 comments
gdprrrr 1016 days ago
Also, can one maybe view updateWith as taking whereFn and returning a kind of lens?
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lmm 1016 days ago
No, I don't think so. How would that work?
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