Re: [Boost-users] [boost] upcoming Switch library review Jan 5th - Jan 9th

From: Joel de Guzman (joel_at_[hidden])
Date: 2008-01-07 07:25:01

Tobias Schwinger wrote:
> Joel de Guzman wrote:

>> Anyway, you have good points. Yes, an explicitly specified return
>> type would be ok too. In the standpoint of optimization, yes, a
>> variant return is suboptimal at both compile time and at runtime.
> 
> Exactly. The mechanism you propose could still be useful and provided by 
> the library as a utilty metafunction (which is what I was trying to say 
> with "should be an extra metafunction" :-)).

Agreed 100%

Regards,
-- 
Joel de Guzman
http://www.boost-consulting.com
http://spirit.sf.net