Re: Instance variable access from functions
Re: Instance variable access from functions
- Subject: Re: Instance variable access from functions
- From: Luke the Hiesterman <email@hidden>
- Date: Tue, 21 Apr 2009 19:50:31 -0700
It's done all the time. You should read up on Objective-C 2.0
properties, though, to learn when it's best to use properties.
Luke
On Apr 21, 2009, at 7:40 PM, Seth Willits wrote:
Is the non-protected access of instance variables from functions
defined inside of @implementations documented anywhere? I'm
wondering if this some secret thing that I shouldn't use, or
something that's actually pretty common used?
@interface Foo : NSObject
{
int special;
}
- (void)print;
@end
@implementation Foo
static inline void dotheprint(Foo * self)
{
NSLog(@"%d", self->special); // If defined outside @imp it'd give a
compiler error
}
- (id)init;
{
[super init];
special = 5;
return self;
}
- (void)print;
{
dotheprint(self);
}
@end
--
Seth Willits
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