package org.psjava.util;

import org.psjava.StrictEqualityTester;

import org.psjava.algo.math.PairHash;

public class Pair<T1, T2> {

public static <T1, T2> Pair<T1, T2> create(T1 v1, T2 v2) {

return new Pair<T1, T2>(v1, v2);

}

public final T1 v1;

public final T2 v2;

public Pair(T1 v1, T2 v2) {

this.v1 = v1;

this.v2 = v2;

}

@Override

public boolean equals(Object obj) {

return StrictEqualityTester.areEqual(this, obj, (a, b) -> a.v1.equals(b.v1) && a.v2.equals(b.v2));

}

@Override

public int hashCode() {

return PairHash.hash(v1.hashCode(), v2.hashCode());

}

@Override

public String toString() {

return "(" + v1 + "," + v2 + ")";

}

}