On Feb 24, 2012, at 7:50 AM, Oleg Krupnov wrote:
> An interesting question. The following samples are equivalent in terms
> of compiled code, but which one is more correct from the language's
> point of view?
>
> self = [super init];
> if (self)
> {
> }
> return self;
>
> self = [super init];
> if (self != nil)
> {
> }
> return self;
It may really boil down to a stylistic issue, but I believe that the "self !=
nil" syntax is the most canonical.
> I also heard that generally speaking NULL is not necessarily always
> equal to 0 on all architectures.
I don't believe this is the case. There can be funny issues with BOOL types,
such that BOOL == YES is an inadvisable construct, since your BOOL could be an
integer of any value.
HTH,
Keary Suska
Esoteritech, Inc.
"Demystifying technology for your home or business"
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