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mausch avatar mausch commented on July 19, 2024

Maybe just a few functions around a list of key/value pairs? (as in http://hackage.haskell.org/package/hxt-8.3.2/docs/Data-AssocList.html or http://caml.inria.fr/pub/docs/manual-ocaml/libref/List.html#6_Associationlists )

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ovatsus avatar ovatsus commented on July 19, 2024

That's what I usually do, but that way you loose the performance of the lookups

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kspeakman avatar kspeakman commented on July 19, 2024

I find myself needing this too. I trivial implementation would be to wrap a PersistentVector (or a basic List that you just know is in reverse order) together with a Map. Using the first for key ordering and the second for value lookup. But it would be nice not to double up on memory usage for keys.

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