Re: [boost] [mpl][doc]bug: prior.html should have Bidirectional Iterator requirement.

Subject: Re: [boost] [mpl][doc]bug: prior.html should have Bidirectional Iterator requirement.
From: Aleksey Gurtovoy (agurtovoy_at_[hidden])
Date: 2009-04-06 00:58:31

Hi Larry,

> The prior.html document:
>
> http://www.boost.org/doc/libs/1_38_0/libs/mpl/doc/refmanual/prior.html
>
> says prior requirement is that Iterator be a Forward Iterator; yet,
>
> http://www.boost.org/doc/libs/1_38_0/libs/mpl/doc/refmanual/forward-iterator.html
>
> makes no mention of prior.  Also, compiling prior on a list iterator  
> shows:
>
> /home/evansl/prog_dev/boost-svn/ro/boost-trunk/boost/mpl/next_prior.hpp:40:  
> error: no type named 'prior' in 'struct  
> boost::mpl::l_iter<boost::mpl::list1<char> >'
>
> Hence, the prior requirement should be Bidirectional instead of just
> Forward Iterator.

You are right, of course. Fixed in the trunk:
https://svn.boost.org/trac/boost/changeset/52207

Thanks for the report!

-- 
Aleksey Gurtovoy
MetaCommunications Engineering