{ description = "Extremely basic flake"; 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 = "ghc94"; in { packages = { default = pkgs.haskell.packages.${compiler}.mkDerivation { pname = "fastfood"; version = "0.1.0.0"; src = ./.; isLibrary = false; isExecutable = true; executableHaskellDepends = with pkgs.haskellPackages; [ base random ]; license = pkgs.lib.licenses.agpl3Only; mainProgram = "fastfood"; }; }; devShells.default = pkgs.mkShell { buildInputs = with pkgs.haskellPackages; [ base random ghc haskell-language-server cabal-install ]; }; }); }