{ nixpkgs ? import <nixpkgs> {}, compiler ? "" }:
with nixpkgs.pkgs;
with (if haskell.packages ? ${compiler} then haskell.packages.${compiler} else haskellPackages);
callPackage ./amqp-utils.nix {
  amqp = haskell.lib.dontCheck (callPackage (import ./amqp.nix) {});
}