Re: [Dev-C++] Comment Delimiters

[Daniel G. <sp...@ho...>]

#if 0
cout << "This code will not be compiled, but I don't know if it needs to be 
syntactically correct or not. Probably does" << endl;
#endif

Yes I know I've forgotten to #include the iostream header.


>From: "Damien ." <g_...@ho...>
>To: dev...@li...
>Subject: Re: [Dev-C++] Comment Delimiters
>Date: Mon, 23 Jun 2003 06:41:24 -0400
>
>Guys, How exactly does '#if  0' ...#endif work?  I assumed that the 
>preprocessor would skip the statements until it reached the #endif.  
>However, when I tried to compile the code(with gcc 3.2.2)  below , i get a 
>"missing terminator character ' error" .  It seems as though the code 
>inside of an #if  0...#endif statement must be C/C++ accurate. It is easy 
>fixed with a /*... */ .Care to elaborate....?
>/* IfZero.c */
>#include <stdio.h>
>int main(void)
>{
>#if 0
>This line should not be worried about. I'm quite sure it will *not* be  
>included.
>#endif
>printf("...");
>return 0;
>}
>
>----Original Message Follows----
>From: "Daniel Glenfield" <sp...@ho...>
>To: or...@vp..., dev...@li...
>Subject: Re: [Dev-C++] Comment Delimiters
>Date: Mon, 23 Jun 2003 09:16:30 +0100
>
>Agreed. #if 0 ..#endif is a great way of doing it.
>
>
>>From: OROSZI Balázs <or...@vp...>
>>To: dev...@li...
>>Subject: Re: [Dev-C++] Comment Delimiters
>>Date: Mon, 23 Jun 2003 10:01:54 +0200
>>
>>André Macário Barros wrote:
>>>Dear Users,
>>>
>>>	Suppose you can´t use the /* and */ comment delimiters to put in 
>>>comments
>>>an area of a code in C++.
>>>	If I use the // command, must I put them in each line of this piece of
>>>code?
>>>       Is there another way?
>>
>>There is a quick way:
>>
>>#if 0
>>...
>>#endif
>>
>>Because "0" is "false", #if 0 can be considered like if (false){...}, 
>>which will in fact, never execute. So all code, with or without comments, 
>>will not be parsed by the C preprocessor there.
>>
>>This approach is also better, because /* */ comments cannot be nested.
>>
>>--
>>Greetings,
>>   Balázs
>>
>>
>>
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