Vec is an implementation of extensible, functional arrays for Ocaml. The module provides log-time insertion, deletion, modification, concatenation, and much more. If you have ever missed in Ocaml the flexible lists of Have you ever missed in Ocaml the flexible lists of Python, now you have it in Ocaml, implemented in functional fashion.
Download: see the attachments section. You can also get Vec from the OcamlLdaLibs github repository.
License: LGPL with linking exception (same license as the core Ocaml libraries).