Re: do you init your instance variables in init method or outside the class?
Re: do you init your instance variables in init method or outside the class?
- Subject: Re: do you init your instance variables in init method or outside the class?
- From: Chris Ridd <email@hidden>
- Date: Wed, 18 Jul 2012 14:03:40 +0100
On 18 Jul 2012, at 08:09, Lee Ann Rucker wrote:
> In init, and only when they need it. They're all initialized to nil, which is a perfectly reasonable value for an instvar to have; there's very rarely a reason to do anything like
>
>> name = [NSString string];
>
> because sending a method to nil is perfectly safe, unlike C++.
>
>> foodLists = [NSMutableArray array];
>
> is necessary, as you've seen, but not for the reasons you think.
Both of those lines are going to cause random crashes later on because they're non-retained objects.
Chris
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