On Jul 27, 2008, at 1:24 AM, Mark Teagarden wrote:
Ah. I think I was under the impression that objectAtIndex was
already returning a pointer to an object of type Unit, in which
case the cast would be unnecessary. Is the actual object, or a copy
thereof, being returned? I thought that sort of thing was frowned
upon as wasteful.
In any event, thanks Nathan. I'll try that.
It's returning an object of type id, which is a generic object type.
You need to tell the complier what the actual type is so it knows
where to look for implementation details. At run time it will be a
pointer to the Unit object, not a copy or anything like that.
--Nathan
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