Re: [boost] C++11 Metaprogramming

Subject: Re: [boost] C++11 Metaprogramming
From: Dave Abrahams (dave_at_[hidden])
Date: 2012-04-06 08:21:42

on Fri Apr 06 2012, Mathias Gaunard <mathias.gaunard-AT-ens-lyon.org> wrote:

> On 06/04/12 09:04, Andrzej Krzemienski wrote:
>>> And this is the worst part: I forgot the
>> "typename". Having to type this "typename" is really terrible and just
>> scares off many people. If you do not mind it, it only means that you got
>> used to it; but people should not be forced to get used to too many
>> gotchas.
>
> The language requires to specify whenever dependent names in template
> contexts are anything else than values (i.e. types or templates).
>
> There is no substitute for learning the basics of the language. This
> is not a gotcha, just normal usage of templates.

While true, I agree with Andrzej that it is a shame and it would be
better to smooth this sort of thing over for users.  It's just a
question of whether we give up too much valuable power for anyone
wanting to go beyond the most basic usage by doing so.

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