solid.collections.Pair Maven / Gradle / Ivy

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package solid.collections;

/**
 * This is a duplicate of {@link android.util.Pair} but without Android SDK requirement.
 */
public class Pair {

    public final T1 first;
    public final T2 second;

    public Pair(T1 first, T2 second) {
        this.first = first;
        this.second = second;
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) return true;
        if (o == null || getClass() != o.getClass()) return false;

        Pair pair = (Pair) o;

        if (first != null ? !first.equals(pair.first) : pair.first != null) return false;
        return !(second != null ? !second.equals(pair.second) : pair.second != null);
    }

    @Override
    public int hashCode() {
        int result = first != null ? first.hashCode() : 0;
        result = 31 * result + (second != null ? second.hashCode() : 0);
        return result;
    }

    @Override
    public String toString() {
        return "Pair{" +
            "first=" + first +
            ", second=" + second +
            '}';
    }
}