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Introducing OxCaml

At Jane Street, we’ve been actively making improvements to OCaml for a long time. Over thelast few years, we’ve started to build some fairly ambitious extens...

14 Jun 2025

Jane Street Tech Blog

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Advent of Hardcaml

Advent of Code is an annual Advent calendarfeaturing small programming puzzles created by Eric Wastl, which has been runningevery December since 2015. Being ...

22 Mar 2025

Jane Street Tech Blog

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Plans for OCaml 4.08

With the external release of OCaml 4.07.0 imminent, we in Jane Street’sTools & Compilers group have been planning what we want to work on forinclusion in...

29 Jun 2018

Jane Street Tech Blog

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A better inliner for OCaml, and why it matters

OCaml 4.03 is branched and a first release candidate is imminent, so it seemslike a good time to take stock of what’s coming.

24 Feb 2016

Jane Street Tech Blog

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Introducing Incremental

I’m pleased to announce the release ofIncremental (wellcommented mlihere),a powerful library for building self-adjusting computations, i.e.,computations that...

18 Jul 2015

Jane Street Tech Blog

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