{cabal}:

cabal.mkDerivation (self : {
  pname = "Boolean";
  version = "0.0.1";
  sha256 = "dafcfb2e9d7f7aa24a3d3ceb385424176297cdf6f6044028d42d0fea1cae7765";
  meta = {
    description = "Generalized booleans";
    license = "BSD";
    maintainers = [self.stdenv.lib.maintainers.andres];
  };
})