public override int GetHashCode()
{
unchecked
{
var hashCode = (YoungerPerson != null ? YoungerPerson.GetHashCode() : 0);
hashCode = (hashCode * 397) ^ (OlderPerson != null ? OlderPerson.GetHashCode() : 0);
hashCode = (hashCode * 397) ^ Difference.GetHashCode();
return(hashCode);
}
}
public override int GetHashCode()
{
// We need to return the same hash code for Pair(x,y) and Pair(y, x)
return(YoungerPerson.GetHashCode() + OlderPerson.GetHashCode());
}