{ description = "A basic Haskell flake";
# To be used in conjunction with cabal2nix
  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 = import nixpkgs { inherit system; };
      compiler = throw "add compiler version here";
  in {
    packages = {
      default = pkgs.haskell.packages.${compiler}.mkDerivation rec {
        pname = throw "insert haskell package name here\nderived from the .cabal file";
        version = "0.1.0.0";
        src = ./.;
        isLibrary = false;
        isExecutable = true;
        executableHaskellDepends = with pkgs.haskellPackages; [
          base
        ];
        license = pkgs.lib.licenses.agpl3Only;
        mainProgram = pname;
      };
    };

    devShells.default = pkgs.mkShell {
      buildInputs = with pkgs.haskellPackages; [
        base
        cabal-install
        ghc
        haskell-language-server
        cabal2nix
      ];
    };

  });
}