Re: [boost] add new category in libs/libraries.htm

From: David Abrahams (dave_at_[hidden])
Date: 2008-07-29 15:15:15

on Tue Jul 29 2008, Mathias Gaunard <mathias.gaunard-AT-ens-lyon.org> wrote:

> Emil Dotchevski wrote:
>> Throwing an exception doesn't necessarily indicate abnormality, in
>> fact the program might rely on the exception to operate properly (for
>> example, if you're processing a sequence of files, you might want to
>> catch(eof &) and open the next file to be processed.)
>
> That doesn't sound like a good idea, given how exceptions are
> implemented: a fast normal execution path and a slow recovery path.

Sometimes that's exactly the tradeoff you need.

> The difference between exceptions and asserts are that, while both are
> errors, exceptions is a system to report error and asserts is a system
> to check that errors do not occur.
> So the Error Handling category could be subdivided in Error Reporting
> (which would also contain error codes and logging) and Error Checking
> (which would also contain the testing framework).

That might be a good idea.

-- 
Dave Abrahams
BoostPro Computing
http://www.boostpro.com