{
  description = "a lisp interpreter/compiler in ocaml";
  inputs =  {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
    flake-utils.url = "github:numtide/flake-utils";
  };

  outputs = {self, nixpkgs, flake-utils}:
    flake-utils.lib.eachDefaultSystem (system:
  let
    pkgs = nixpkgs.legacyPackages.${system};
  in
  {
    packages.default = pkgs.callPackage ./default.nix {};
  });
}