Tuple2.java

package squill.tuple;

import squill.tuple.Tuple;

public class   Tuple2 < T1,T2 >  implements Tuple {
    public final T1 v1;
    public final T2 v2;
    public  Tuple2 (  T1 v1, T2 v2 ) {
      this.v1 = v1;
      this.v2 = v2;
    }

  public static < P1,P2 > Tuple2< P1,P2 > _( P1 v1,P2 v2 ) {
    return new Tuple2< P1,P2 >( v1,v2 );
  }

  @Override
  public String toString() {
    return "(" +  v1 +","+ v2  + ")";
  }

  @Override
  public boolean equals(Object o) {
    if (this == o) return true;
    if (o == null || getClass() != o.getClass()) return false;
    Tuple2 tuple = (Tuple2) o;
        if (v1 == null ? tuple.v1 != null : !v1.equals(tuple.v1)) return false;
        if (v2 == null ? tuple.v2 != null : !v2.equals(tuple.v2)) return false;
        return true;
  }

  @Override
  public int hashCode() {
    int result = 0;
        result = 31 * result + (v1 != null ? v1.hashCode() : 0);
        result = 31 * result + (v2 != null ? v2.hashCode() : 0);
        return result;
  }
}