Brian Wilkerson
f34a25099b
Change-Id: I9cafff7fcbf6c8930e3ac8ddba05061601aa8223 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/132452 Reviewed-by: Konstantin Shcheglov <scheglov@google.com> Commit-Queue: Brian Wilkerson <brianwilkerson@google.com>
26 lines
598 B
Dart
26 lines
598 B
Dart
// Copyright (c) 2017, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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/// A pair of values.
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class Pair<E, F> {
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final E first;
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final F last;
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Pair(this.first, this.last);
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@override
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int get hashCode => first.hashCode ^ last.hashCode;
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@override
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bool operator ==(other) {
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if (other is! Pair) {
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return false;
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}
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return other.first == first && other.last == last;
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}
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@override
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String toString() => '($first, $last)';
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}
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