blob: ac58f564dcda723e3d520a66d2d1ee3ee86c753b [file] [log] [blame]
// Copyright (c) 2017, 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.android.tools.r8.errors.Unreachable;
/**
* Simple pair to enable returning multiple values from a function.
*
* <p>This should not be used for anything besides arguments and return values. In particular, it
* is not comparable and does not support hashing. Introduce a proper named type for use cases
* demanding such.
*/
public class Pair<T, S> {
private T first;
private S second;
public Pair() {
this(null, null);
}
public Pair(T first, S second) {
this.first = first;
this.second = second;
}
public T getFirst() {
return first;
}
public S getSecond() {
return second;
}
public void setFirst(T first) {
this.first = first;
}
public void setSecond(S second) {
this.second = second;
}
@Override
public int hashCode() {
throw new Unreachable("Pair does not want to support hashing!");
}
@Override
public boolean equals(Object obj) {
throw new Unreachable("Pair does not want to support equality!");
}
}