On 14 Mar 2012, at 9:49 AM, Ariel Feinerman wrote:
> I have an mystique behavior in the NSMutableDictionary
>
> one cannot while one contains a nil for key and value so when print in
> nslog
> {
> "key" = "value";
> (null) = (null);
> }
(Edited for readability) Am I to understand that this is some kind of notation
like text property list or JSON?
> one is not an NSNull
Which one is the NSNull? And how are you attempting to put the nil/NULL/NSNull
into the dictionary? Indeed, how are you creating/building the dictionary at
all?
> then
>
> NSArray *keys = [_f allKeys];
>
> throwing an exception
>
> Terminating app due to uncaught exception 'NSInvalidArgumentException',
> reason: '*** -[NSArray initWithObjects:count:]: attempt to insert nil
> object at objects[31]'
The exception means what it says. You can't have nil keys or values in Cocoa
collections. I'm surprised it got as far as -allKeys, unless you aren't telling
us something.
Show your code.
— F
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