public static NSSet operator +(NSSet first, NSOrderedSet second)
{
if (first == null)
{
return(new NSSet(second.AsSet()));
}
if (second == null)
{
return(new NSSet(first));
}
var copy = new NSMutableSet(first);
copy.UnionSet(second.AsSet());
return(copy);
}
public static NSMutableSet operator +(NSMutableSet first, NSMutableSet second)
{
if (first == null || first.Count == 0)
{
return(new NSMutableSet(second));
}
if (second == null || second.Count == 0)
{
return(new NSMutableSet(first));
}
var copy = new NSMutableSet(first);
copy.UnionSet(second);
return(copy);
}