{ nixpkgs ? import {}, compiler ? "default", doBenchmark ? false }: let inherit (nixpkgs) pkgs; f = { mkDerivation, aeson, base, base16-bytestring, bytestring , containers, http-api-data, mtl, opaleye, postgresql-simple , product-profunctors, random-bytestring, servant, servant-server , stdenv, stm, text, time, wai, wai-logger, warp }: mkDerivation { pname = "mateamt"; version = "0.0.0.0"; src = ./.; isLibrary = false; isExecutable = true; executableHaskellDepends = [ aeson base base16-bytestring bytestring containers http-api-data mtl opaleye postgresql-simple product-profunctors random-bytestring servant servant-server stm text time wai wai-logger warp ]; description = "A whole new matemat"; license = stdenv.lib.licenses.agpl3; }; 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