{ pkgs }:
let
  packages = builtins.attrValues {
    inherit (pkgs)
      haskell-language-server
      cabal-install
      hlint
      ;
    inherit (pkgs.haskellPackages)
      hoogle
      ;
  };
in
{
  inherit packages;
  devShell = pkgs.mkShell {
    inherit packages;
    name = "haskell-dev-shell";
    shellHook = ''
      echo "λ Haskell dev environment"
    '';
  };
}