Requires very new OCaml: https://github.com/ocaml/ocaml/commit/30bb2c39d8509dc741c0321c700b512820059eb3
To get:
git clone ...
cd e3
To install:
make
make install
Alternatively via nix:
nix-build
The result will be in ./result
To build API-doc:
make doc
Result will be in ./simple_doc