public static NSOrderedSet operator -(NSOrderedSet first, NSSet second)
{
if (first == null)
{
return(null);
}
if (second == null)
{
return(new NSOrderedSet(first));
}
var copy = new NSMutableOrderedSet(first);
copy.MinusSet(second);
return(copy);
}
public static NSOrderedSet <TKey> operator -(NSOrderedSet <TKey> first, NSOrderedSet <TKey> second)
{
if (first == null)
{
return(null);
}
if (second == null)
{
return(new NSOrderedSet <TKey> (first));
}
var copy = new NSMutableOrderedSet <TKey> (first);
copy.MinusSet(second);
var copyset = new NSOrderedSet <TKey> (copy);
return(copyset);
}