What are some good resources for HardCaml?
Github: https://github.com/janestreet/hardcaml
And Andy Ray and co's stuff:
Blogs: http://www.ujamjar.com/
Getting started overview and tutorials: http://www.ujamjar.com/hardcaml/
Running OCAML Bytecode in hardware: https://github.com/ujamjar/hardcaml-zinc