Re: !foo vs foo == nil
Re: !foo vs foo == nil
- Subject: Re: !foo vs foo == nil
- From: "mm w" <email@hidden>
- Date: Wed, 20 Aug 2008 18:00:45 -0700
ok Im like a puppy I like to play, I will stop to play the evil
advogate for 98% of cases
here my late Initialization:
we can say (!toto) is the same of toto == NULL
but the Douglas pointed something really interesting... let see ahead
On Wed, Aug 20, 2008 at 5:39 PM, Andrew Merenbach
<email@hidden> wrote:
> With all due respect, this seems a little more confusing than enlightening.
> Alignment has little to do with the question, as far as I can see. Would
> you be so kind as to explain what bearing your answer has on the original
> poster's question?
>
> -- Andrew
>
> On Aug 20, 2008, at 3:29 PM, mm w wrote:
>
>> #include <stdio.h>
>> #include <stdlib.h>
>>
>> int main(void) {
>> char *p1;
>> char *p2 = NULL;
>>
>> free(p1);
>>
>> free(p2);
>>
>> return 0;
>> }
>>
>> if (toto)... just align your answer
>>
>> On Wed, Aug 20, 2008 at 3:23 PM, Torsten Curdt <email@hidden> wrote:
>>>
>>> This question has come up during the last CocoaHeads and no one was
>>> really
>>> able to give a definite answer.
>>> Do both expressions really mean the same thing (as nil is not null)?
>>>
>>> if (!foo) {
>>> ...
>>> }
>>>
>>> if (foo == nil) {
>>> ...
>>> }
>>>
>>> cheers
>>> --
>>> Torsten
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>>
>>
>>
>> --
>> -mmw
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>
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--
-mmw
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