/*
 * Copyright (c) 2019-present, Facebook, Inc.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */
class PurityModeled {

  double math_random_impure() {
    return Math.random();
  }

  void arraycopy_pure(int[] src) {
    int[] dst = {5, 10, 20, 30, 40, 50};
    // copies an array from the specified source array
    System.arraycopy(src, 0, dst, 0, 1);
  }
}