{
  description = "Live-coding of a hybrid language runtime.";

  inputs.nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";

  outputs =
    { nixpkgs, ... }:
    let
      system = "x86_64-linux";
      pkgs = import nixpkgs {
        inherit system;
        config.allowUnfree = true;
      };
    in
    {
      devShells."${system}".default = pkgs.mkShell {
        packages =
          with pkgs;
          [ feedgnuplot ]
          ++ (with ocamlPackages; [
            findlib
            ocaml
            ocaml-lsp
            dune_3
            zelus
          ]);
      };
    };
}