Re: [boost] [review] Fusion review

From: David Abrahams (dave_at_[hidden])
Date: 2006-05-05 09:49:20

Joel de Guzman <joel_at_[hidden]> writes:

>> In the extension example, I see repeatedly the same patter
>> transferring the cv-ref qualification from one type to another.  Can't
>> that be made simpler for extenders?
>> 
>>  typedef typename mpl::if_<
>>             is_const<Sequence>,
>>             std::string const&,
>>             std::string&>::type type;
>
> Can you point me to an example in the library, please?

This isn't from the library code.  I copied it directly from the docs
at libs/fusion/doc/html/fusion/extension.html

-- 
Dave Abrahams
Boost Consulting
www.boost-consulting.com