[boost] Re: range_value

From: Eric Niebler (eric_at_[hidden])
Date: 2005-05-03 19:38:48

Thorsten Ottosen wrote:
> "David Abrahams" <dave_at_[hidden]> wrote in message 
> news:uu0lkc3x5.fsf_at_boost-consulting.com...
> |
> | I don't understand why there are so many implementations of the
> | range_value metafunction.  It seems to me that it should always be
> | defined to be:
> |
> |  template <class R>
> |  struct range_value
> |    : boost::iterator_value<
> |          typename range_iterator<R>::type
> |      >::type
> |  {};
> |
> | What am I missing?
> 
> dunno.
> 
> do we dare change it before a release?
> 

Shouldn't this be:

template <class R>
struct range_value
   : boost::iterator_value<
         typename range_iterator<R>::type
     >
{};

? (Note absence of trailing ::type.)

-- 
Eric Niebler
Boost Consulting
www.boost-consulting.com