Avoid an allocation on `Hashtbl.remove`

ocaml-multicore / kcas

Software Transactional Memory for OCaml

https://ocaml-multicore.github.io/kcas/

ISC License

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Closed polytypic closed 11 months ago

polytypic commented 1 year ago

This PR avoids an allocation on Hashtbl.remove by using exceptions instead. The performance difference is tiny if any.