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Programming > C++ Moderated > Re: Exceptions ...
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Re: Exceptions vs. undefined behaviour

by Pete Becker <pete@[EMAIL PROTECTED] > May 6, 2008 at 12:45 PM

On 2008-05-06 04:43:26 -0400, Johan Torp <johan.torp@[EMAIL PROTECTED]
> said:

> IIRC, the standard library avoids throwing exceptions so that users
> which compile without exception sup****t shall be able to use as much
> of the standard library as possible. Is this correct,

No. The standard library is specified for the standard language.

>  incorrect or are
> there other motivations?
> 
> Will this also be the case for the newly accepted libraries and for
> TR2?
> 
> Will this "undefined behaviour"-strategy only apply to broken pre-
> conditions or will error codes and the like be used for re****ting
> internal errors?
> 

The standard library doesn't "avoid throwing exceptions". In general,
the design is to throw exceptions when they're appropriat, and not
throw exceptions when they aren't. Most cases of undefined behavior
occur because the violation of the rule can't easily be detected.

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


      [ See http://www.gotw.ca/resources/clcm.htm
for info about ]
      [ comp.lang.c++.moderated.    First time posters: Do this! ]
 




 5 Posts in Topic:
Exceptions vs. undefined behaviour
Johan Torp <johan.torp  2008-05-06 08:43:26 
Re: Exceptions vs. undefined behaviour
Lance Diduck <lancedid  2008-05-06 12:45:54 
Re: Exceptions vs. undefined behaviour
Ron Natalie <ron@[EMAI  2008-05-06 12:46:33 
Re: Exceptions vs. undefined behaviour
Pete Becker <pete@[EMA  2008-05-06 12:45:04 
Re: Exceptions vs. undefined behaviour
Alberto Ganesh Barbati &l  2008-05-06 18:20:37 

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tan12V112 Fri Jul 25 21:57:26 CDT 2008.