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Programming > C++ > Re: equality op...
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Re: equality operator question

by Pete Becker <pete@[EMAIL PROTECTED] > May 6, 2008 at 06:49 AM

On 2008-05-05 23:01:32 -0400, "barcaroller" <barcaroller@[EMAIL PROTECTED]
> said:

> 
> "James Kanze" <james.kanze@[EMAIL PROTECTED]
> wrote in message
>
news:89f90573-3271-45dc-b877-b45a1e7af576@[EMAIL PROTECTED]
>> 
>> No.  First of all, you never compare with true or false.
>> 
> 
> Why not?  It's safer (and clearer) than using
> 
>     if ( x )
>     if ( !foo() )
> 
> 
> By using true/false, you are making it clear that you are dealing with a
> boolean expression (as mostly intended) and not a variable/function that
may
> have any value.

That's what the declarations of x and foo() do. Adding redundant 
information makes code harder to maintain, not "safer" (whatever that 
means).

-- 
  Pete
Roundhouse Consulting, Ltd. (www.versatilecoding.com) Author of "The 
Standard C++ Library Extensions: a Tutorial and Reference 
(www.petebecker.com/tr1book)
 




 45 Posts in Topic:
equality operator question
"barcaroller" &  2008-05-04 22:40:28 
Re: equality operator question
Jack Klein <jackklein@  2008-05-04 21:51:54 
Re: equality operator question
"Jim Langston"   2008-05-05 02:51:12 
Re: equality operator question
"kwikius" <a  2008-05-05 11:58:28 
Re: equality operator question
James Kanze <james.kan  2008-05-05 06:19:44 
Re: equality operator question
pjb@[EMAIL PROTECTED] (P  2008-05-05 15:28:16 
Re: equality operator question
James Kanze <james.kan  2008-05-05 07:12:07 
Re: equality operator question
Krice <paulkp@[EMAIL P  2008-05-05 07:48:06 
Re: equality operator question
pjb@[EMAIL PROTECTED] (P  2008-05-05 17:07:23 
Re: equality operator question
Eberhard Schefold <eba  2008-05-06 08:02:24 
Re: equality operator question
Pete Becker <pete@[EMA  2008-05-06 06:53:14 
Re: equality operator question
=?UTF-8?B?RXJpayBXaWtzdHL  2008-05-06 16:08:43 
Re: equality operator question
"kwikius" <a  2008-05-06 17:32:37 
Re: equality operator question
Pete Becker <pete@[EMA  2008-05-06 13:39:06 
Re: equality operator question
Eberhard Schefold <ebe  2008-05-06 19:46:31 
Re: equality operator question
"Bo Persson" &l  2008-05-06 20:00:21 
Re: equality operator question
Pete Becker <pete@[EMA  2008-05-06 15:18:44 
Re: equality operator question
=?UTF-8?B?RXJpayBXaWtzdHL  2008-05-06 18:17:40 
Re: equality operator question
ram@[EMAIL PROTECTED] (S  2008-05-07 22:02:04 
Re: equality operator question
Jerry Coffin <jcoffin@  2008-05-07 22:38:59 
Re: equality operator question
Pete Becker <pete@[EMA  2008-05-05 12:32:00 
Re: equality operator question
peter koch <peter.koch  2008-05-05 11:08:13 
Re: equality operator question
Krice <paulkp@[EMAIL P  2008-05-05 15:33:29 
Re: equality operator question
Pete Becker <pete@[EMA  2008-05-05 20:36:41 
Re: equality operator question
"barcaroller" &  2008-05-05 23:01:32 
Re: equality operator question
Christian Hackl <hacki  2008-05-06 09:34:51 
Re: equality operator question
Pete Becker <pete@[EMA  2008-05-06 06:49:33 
Re: equality operator question
Krice <paulkp@[EMAIL P  2008-05-05 23:58:01 
Re: equality operator question
Pete Becker <pete@[EMA  2008-05-06 06:52:13 
Re: equality operator question
James Kanze <james.kan  2008-05-06 03:04:22 
Re: equality operator question
Eberhard Schefold <ebe  2008-05-06 16:04:19 
Re: equality operator question
pjb@[EMAIL PROTECTED] (P  2008-05-06 16:23:15 
Re: equality operator question
Eberhard Schefold <ebe  2008-05-06 16:35:26 
Re: equality operator question
ram@[EMAIL PROTECTED] (S  2008-05-06 14:48:53 
Re: equality operator question
Eberhard Schefold <ebe  2008-05-06 17:13:01 
Re: equality operator question
James Kanze <james.kan  2008-05-06 03:09:18 
Re: equality operator question
James Kanze <james.kan  2008-05-06 05:06:53 
Re: equality operator question
Nick Keighley <nick_ke  2008-05-06 09:06:24 
Re: equality operator question
Krice <paulkp@[EMAIL P  2008-05-06 11:50:27 
Re: equality operator question
James Kanze <james.kan  2008-05-07 01:53:25 
Re: equality operator question
ram@[EMAIL PROTECTED] (S  2008-05-07 15:16:59 
Re: equality operator question
James Kanze <james.kan  2008-05-09 04:34:21 
Re: equality operator question
Lionel B <me@[EMAIL PR  2008-05-06 14:31:59 
Re: equality operator question
Eberhard Schefold <ebe  2008-05-06 16:36:25 
Re: equality operator question
Lionel B <me@[EMAIL PR  2008-05-07 09:08:00 

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