Method equals

src/main/java/com/google/gson/Pair.java:43–51

(Object o)

  }

  @Override
  public boolean equals(Object o) {
    if (!(o instanceof Pair<?, ?>)) {
      return false;
    }

    Pair<?, ?> that = (Pair<?, ?>) o;
    return equal(this.first, that.first) && equal(this.second, that.second);
  }

  private static boolean equal(Object a, Object b) {
    return a == b || (a != null && a.equals(b));