Install dependencies by

opam install menhir ocaml-vdom ocamlformat

and build Æff by running (requires OCaml >= 4.08.0)

make

and you can clean up by running

make clean

Æff gives you two options to run programs:

• The first option is a web interface, accessible at web/index.html, which allows you to load one of the built-in examples or enter your own program, and then interactively click through all its (non-deterministic and asynchronous) reductions or introduce external interrupts.

• The second option is a command line executable run as

  ./aeff.exe file1.aeff file2.aeff ...
  

  which loads all the commands in all the listed files and starts evaluating the given program, displaying all outgoing signals and the terminal configuration (if there is one). Non-deterministic reductions are chosen randomly and there is no option of introducing external interrupts. If you do not want to load the standard library, run Æff with the --no-stdlib option.

This project has received funding from the European Union’s Horizon 2020 research and innovation programme under the Marie Skłodowska-Curie grant agreement No 834146.
This material is based upon work supported by the Air Force Office of Scientific Research under awards number FA9550-17-1-0326 and FA9550-21-1-0024.