/// @cond DOXYGEN_SHOULD_SKIP_THIS
public override int GetHashCode()
{
//This is a random value to represent an empty set,
//since it does not have elements to calculate an hash,
//and two empty sets are equal.
const int emptyHashCode = 0x0fc43f9;
return(m_impl.CalculateHashCode(emptyHashCode, this));
}
