On Nov 15, 2011, at 10:34 AM, Torsten Curdt wrote:
>> No it can't. @property only says "I have methods named -foo and -setFoo:".
>> It implies absolutely nothing about storage.
>
> How does
>
> @property (nonatomic, assign) IBOutlet NSWindow *window;
>
> not have the information that there would need to be an ivar
>
> NSWindow *window;
>
> on 32-bit?
Because you could implement this property by doing something like this:
- (NSWindow *)window
{
return [_internalDictionary objectForKey:@"window"];
}
- (void)setWindow:(NSWindow *)window
{
[_internalDictionary setObject:window forKey:@"window"];
}
And thus not increase the size of the object at all (i.e. all properties could
in theory be entries in a _internalDictionary if the class decided to).
Properties are only interfaces.
--
David Duncan
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