On 11 Jun 2008, at 03:09, Jens Alfke wrote:
That way you won't run into the issue that NSArray objects can't
contain empty (nil) elements...
Another thing that is often overlooked by Cocoa newbies is that you
can add NSNull to NSArray objects (and other collection objects)
e.g
MyObj* anObj = somethingPossiblyNil;
[myArray addObject: anObj ? anObj : [NSNull null]];
...
MyObj* obj = [myArray objectAtIndex:1];
if (obj != [NSNull null])
{
// It really is a MyObj
}
Matt
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