// Copyright (c) 2021, the Dart project authors.  Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

/// A pair of values.
class Pair<E, F> {
  E first;
  F last;

  Pair(this.first, this.last);

  @override
  String toString() => '($first, $last)';

  @override
  bool operator ==(Object other) {
    if (other is! Pair) return false;
    return other.first == first && other.last == last;
  }

  @override
  int get hashCode => first.hashCode ^ last.hashCode;
}