I do not know well the current state of HAMT data structures in Haskell, but there is a related thread at the Haskell subreddit that you might be interested in:

I do not know well the current state of HAMT data structures in Haskell, but there is a related thread at the Haskell subreddit that you might be interested in: https://www.reddit.com/r/haskell/comments/6tmbju/efficient_immutable_collections_pdf/ https://www.reddit.com/r/haskell/comments/6tmbju/efficient_i...