Re: NSDictionary allValues not mutable
Re: NSDictionary allValues not mutable
- Subject: Re: NSDictionary allValues not mutable
- From: Mike Abdullah <email@hidden>
- Date: Sat, 9 Oct 2010 21:15:24 +0100
On 9 Oct 2010, at 21:06, Trygve Inda wrote:
>> I have an NSMutableDictionary made from a plist with
>> CFPropertyListCreateDeepCopy so that all leaves and containers are mutable.
>>
>> In this plist is an dict whose values I want to move into a mutable array to
>> be displayed and edited in an NSTable.
>>
>> [myDict allValues] gets the correct array and works in the table, but it is
>> made immutable. Is there any better way to keep the mutability other than
>> using allKeys then stepping through each one, obtaining its object and
>> adding it to an NSMutableArray that I made with alloc/init?
>>
>> Why doesn't allValues simply preserve the mutability? I would have guessed
>> that internally it did the above steps.
>>
>> Trygve
>
> PS: I do not want to use mutableCopy because I want to objects in the array
> and the objects in the dictionary to refer to the same objects... Eg I do
> not want two of each object.
Copying a collection/container class does not automatically copy the content objects too._______________________________________________
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