|  | // Copyright (c) 2021, 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 java.util.function.BiPredicate; | 
|  |  | 
|  | public class BiPredicateUtils { | 
|  |  | 
|  | public static <S, T> BiPredicate<S, T> alwaysFalse() { | 
|  | return (s, t) -> false; | 
|  | } | 
|  |  | 
|  | public static <S, T> BiPredicate<S, T> alwaysTrue() { | 
|  | return (s, t) -> true; | 
|  | } | 
|  |  | 
|  | @SafeVarargs | 
|  | public static <S, T> BiPredicate<S, T> or(BiPredicate<S, T>... predicates) { | 
|  | return (s, t) -> { | 
|  | for (BiPredicate<S, T> predicate : predicates) { | 
|  | if (predicate.test(s, t)) { | 
|  | return true; | 
|  | } | 
|  | } | 
|  | return false; | 
|  | }; | 
|  | } | 
|  | } |