@Override
      public HashFunction get() {
        return Crc32cHashFunction.CRC_32_C;
      }
    };

    static final HashFunction HASH_FUNCTION = pickFunction().get();

    private static Crc32CSupplier pickFunction() {
      Crc32CSupplier[] functions = values();

      if (functions.length == 1) {
        // We're running under J2ObjC.
        return functions[0];
      }