What category theory teaches us about dataframes

fanf2 20 points 3 comments March 29, 2026
mchav.github.io · View on Hacker News

Discussion Highlights (2 comments)

xstas1

Partway through, I recognized the function calling syntax as similar to Nix which I just started learning. Turns out the implementation of the article is in Haskell, another declarative language. At work. we use Power Query with it's M language - a declarative language with lazy evaluation. Is there something about declarative languages that makes them especially suitable for data work?

ece

The second last link should be https://www.vldb.org/pvldb/vol13/p2033-petersohn.pdf paper probably.

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