nixpkgs/pkgs/development/libraries/haskell/haskell-lexer/default.nix

{cabal}:

cabal.mkDerivation (self : {
  pname = "haskell-lexer";
  version = "1.0";
  sha256 = "86d0c4071295c8613eb965768cb61a0c8422fc0c429a49c7a93e93a72b185b86";
  meta = {
    description = "A fully compliant Haskell 98 lexer";
  };
})