Re: [boost] [iterator] Proposal to add is_const_iterator trait

From: David Abrahams (dave_at_[hidden])
Date: 2007-05-09 12:27:53

on Tue May 08 2007, Andrey Semashev <andysem-AT-mail.ru> wrote:

> Hello,
>
> Quite often I find myself writing an is_const_iterator trait which
> looks like this:
>
>   //! A helper traits to check if an iterator is const
>   template< typename ItT >
>   struct is_const_iterator :
>        public is_const<
>             typename remove_reference<
>                  typename iterator_reference< ItT >::type
>             >::type
>        >
>   {
>   };
>
> Maybe it is worth adding to Boost.Iterators library? Or maybe there
> already is something like that?

What's it useful for?

-- 
Dave Abrahams
Boost Consulting
http://www.boost-consulting.com
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