[boost] Re: [boost.range] late addition, votes needed

From: David Abrahams (dave_at_[hidden])
Date: 2004-09-15 10:56:13

"Thorsten Ottosen" <nesotto_at_[hidden]> writes:

> Dear All,
>
> In the pre-redmond mailing Walter Brown discusses the possibility of adding
> these members to standard container classes:
>
> const_iterator cbegin();
> const_iterator cend();
> const_reverse_iterator crbegin();
> const_reverse_iterator crbegin();
>
> The motiviation is that we want to be able to say explicitly "give me a const
> iterator" without doing ugly casts.
> IMO a sound idea.
>
> Given the framework in boost.range these would be absolutely *trivial* to add.
>
> 1st vote: for or against adding these?
>
> 2nd vote: which naming scheme to use:
>
>  a: cbegin(), cr_begin()
>
>  b: const_begin(); const_rbegin();
>
> The motivation for chosing the latter could be that "cr" contracttions become
> harder to read.
>
> Let me know what ya think.

I wonder whether it's better to say

  cbegin(x)

or 

  begin(as_const(x))

The latter is certainly more general.

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