Re: Debugging insight needed for NSKeyedUnarchiver
Re: Debugging insight needed for NSKeyedUnarchiver
- Subject: Re: Debugging insight needed for NSKeyedUnarchiver
- From: Graham Cox <email@hidden>
- Date: Mon, 03 Mar 2014 23:34:24 +1100
On 3 Mar 2014, at 9:56 pm, email@hidden wrote:
> It is hard to argue with the statement that you must return self from initWithCoder:.
Well, except what is self? It's perfectly legitimate in an init method to write self = <whatever or nil>. ***that's why you always check if( self ){....} after calling super in all init methods, including -initWithCoder:.***
Documenting that you must return self means nothing - you always return self from an init method. What it does not state (and perhaps should) is that unlike other init methods, self may not be reassigned or set to nil.
> Have you considered using:
>
> - (id)awakeAfterUsingCoder:(NSCoder *)aDecoder
Yes, indeed that's what I am doing. It seems to work and it certainly fixes my problem.
But if there are some rules which need to be made clearer here (rather than just my own understanding), then it still might be worth flushing them out so I can file a bug on the documentation at least.
--Graham
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