{ nixpkgs ? import {}, compiler ? "default", doBenchmark ? false }: let inherit (nixpkgs) pkgs; f = { mkDerivation, ansi-terminal, base, deepseq, linear, matrix , monad-loops, parallel, stdenv, suspend, terminal-size, vector }: mkDerivation { pname = "raycharles"; version = "0.0.0.0"; src = ./.; isLibrary = false; isExecutable = true; executableHaskellDepends = [ ansi-terminal base deepseq linear matrix monad-loops parallel suspend terminal-size vector ]; description = "A simple raytracer on the Console"; license = stdenv.lib.licenses.bsd3; }; haskellPackages = if compiler == "default" then pkgs.haskellPackages else pkgs.haskell.packages.${compiler}; variant = if doBenchmark then pkgs.haskell.lib.doBenchmark else pkgs.lib.id; drv = variant (haskellPackages.callPackage f {}); in if pkgs.lib.inNixShell then drv.env else drv