{ description = "MVM development"; inputs = { nixpkgs.url = github:NixOS/nixpkgs/nixos-23.11; }; outputs = { self, nixpkgs }: let pkgs = import nixpkgs { inherit system; }; haskellPkgs = pkgs.haskellPackages; system = "x86_64-linux"; in { packages.${system}.default = pkgs.haskellPackages.developPackage { root = ./.; }; }; }