Re: [boost] [finally] early draft available

From: Pavel Vozenilek (pavel_vozenilek_at_[hidden])
Date: 2006-03-09 11:54:31

"Alexander Nasonov" wrote:

>> It is dog-slow: the small example takes over minute!!!! on
>> Athlone XP 2200+ (no optimisations enabled).
>>
>> Intel is known for being slow on heavy templatized code
>> and its preprocessor processing is exponential.
>
> Unless you passed a lot of variables to BOOST_FINALLY_BEGIN,
> it's not PP, it is Boost.Typeof that is very slow.
>

I tried dozens of BOOST_FINALLYs in one TU and
the compilation time stays the same (the minute).

So it is not PP.

>> Mr. Alexandrescu had suggested something like that
>> to be included in the language (as a killer feature
>> not seen in mainstream languages). Specifically,
>> he suggested:
>>
>> on_block_exit { .... code .... }
>> on_block_success { ... code ... }
>> on_block_failure { ... code ... }
>
> Cool, I didn't know this.
> Is there any proposal for this?
>
This c.l.c++.m thread

http://groups.google.com/group/comp.lang.c++.moderated/tree/browse_frm/thread/60117e9c1cd1c510/e321d0c31f0d2715?rnum=32

or

http://tinyurl.com/outps

He had characterised it as "nice research topic ;-)"
and I guess no one had dared to propose it for
standardisation.

/Pavel