public int Compare(Producer <int> x, Producer <int> y)
{
Debug.Assert(x.MaxKey >= 0 && y.MaxKey >= 0); // Guarantees no overflow on next line
return(y.MaxKey - x.MaxKey);
}
public int Compare(Producer <TKey> x, Producer <TKey> y)
{
return(_keyComparer.Compare(y.MaxKey, x.MaxKey));
}