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 18:15:36 -0700
anyway I m going to add a hint
as a previous oppenant said yeh dude it's normal it's undefined/ nothin nada :)
int main(void) {g
char *p1;
char *p2 = NULL;
if(!p1)
puts("hello p1");
if(!p2)
puts("hello p2");
return 0;
}
output "hello p2"
On Wed, Aug 20, 2008 at 6:00 PM, mm w <email@hidden> wrote:
> 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
>
--
-mmw
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