{
  description = "";

  inputs = {
    flake-utils.url = "github:numtide/flake-utils";
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";

  };

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

        devShells.default = pkgs.mkShell {
          packages = with pkgs; [
            git
            gcc11
            cabal-install
            ghc
            haskellPackages.haskell-language-server
          ];
        };
      });
}