/*
* Copyright 2000-2014 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.intellij.openapi.util;
import org.jetbrains.annotations.NotNull;
/**
* @author Konstantin Bulenkov
*/
public class Couple<T> extends Pair<T, T> {
private static final Couple EMPTY_COUPLE = of(null, null);
public Couple(T first, T second) {
super(first, second);
}
@NotNull
public static <T> Couple<T> of(T first, T second) {
return new Couple<T>(first, second);
}
@SuppressWarnings("unchecked")
public static <T> Couple<T> getEmpty() {
return EMPTY_COUPLE;
}
}