public virtual int Compare(T x, T y)
{
if (ReferenceEquals(x, y))
{
return(0);
}
if (x == null)
{
return(1);
}
if (y == null)
{
return(-1);
}
int n = FirstComparer.Compare(x, y);
return(n != 0 ? n : SecondComparer.Compare(x, y));
}
public bool Equals(TaggedUnion <TFirst, TSecond> other)
{
if (tag != other.tag)
{
return(false);
}
if (tag == Tag.First)
{
return(FirstComparer.Equals(first, other.first));
}
if (tag == Tag.Second)
{
return(SecondComparer.Equals(second, other.second));
}
return(true);
}