ocaml-hashcons

OCaml hash-consing library

The technique is described in this paper:

Sylvain Conchon and Jean-Christophe Filliâtre. Type-Safe Modular Hash-Consing. In ACM SIGPLAN Workshop on ML, Portland, Oregon, September 2006.

https://usr.lmf.cnrs.fr/~jcf/publis/hash-consing2.pdf

Note: a different, more elaborated hash-consing library can be found in Why3 sources at https://gitlab.inria.fr/why3/why3