| // Copyright (c) 2018, the R8 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. |
| package com.android.tools.r8.utils; |
| |
| import com.google.common.base.Equivalence; |
| |
| /** Implements an equivalence that considers all objects to be the same. */ |
| public class SingletonEquivalence<T> extends Equivalence<T> { |
| |
| public SingletonEquivalence() {} |
| |
| @Override |
| protected boolean doEquivalent(T a, T b) { |
| return true; |
| } |
| |
| @Override |
| protected int doHash(T a) { |
| return 0; |
| } |
| } |