{cabal} :

cabal.mkDerivation (self : {
  pname = "base64-bytestring";
  version = "0.1.0.3";
  sha256 = "0d4j8b1d8z9qr1y446bfkj764xgilk8gw2frj0wn0717y8knvmx3";
  meta = {
    homepage = "https://github.com/bos/base64-bytestring";
    description = "Fast base64 encoding and deconding for ByteStrings";
    license = self.stdenv.lib.licenses.bsd3;
    platforms = self.stdenv.lib.platforms.haskellPlatforms;
    maintainers = [ self.stdenv.lib.maintainers.simons ];
  };
})