Re: [Boost-users] Boost.Iostreams

From: Jonathan Turkanis (technews_at_[hidden])
Date: 2005-08-07 15:26:17

Steven T. Hatton wrote:
> On Sunday 07 August 2005 13:21, Jonathan Turkanis wrote:
>> Steven T. Hatton wrote:
>>> I just happened to open Konqueror to the root of a recent boost CVS,
>>> and discovered an HTML file with some information I've never seen
>>> before.  Among that information was a link to the Boost.Iostreams
>>> library.  I don't see any reference to it on the Boost homepage, and
>>> when I searched the site I didn't find much there.  But I've found
>>> it elsewhere on the Internet.  I'm confused as to the status of the
>>> library.  Is it a continuing project?  I sure hope so.
>>
>> Boost.Iostreams was accepted almost a year ago (can it be that
>> long?) but will make its first official appearance as part of Boost
>> in the 1.33 release -- any day now.

> Thank you. This is good news.
>
> I do have a question/observation regarding the mapped_file classes.
> I see they advertise their element type as `typedef char char_type;'.
> I'm treating it as a container in the STL sense.  In ISO/IEC
> 14882:2003(E) §32.1 containers are specified to have `X::value_type
> T' as well as a difference_type which is the same as the
> difference_type for the iterator type defined for the container.  In
> the case of a mapped_file, I guess that would be what is given by
> applying one of these to char_type:

...

> I see that mapped_file has some "Container interface" items, so it's
> an idea that's already been partially implemented.  It seems
> reasonable to flesh it out, unless there's some obstacle to doing so.

I left the container interface undocumented because I wasn't happy with it. I
guess I should add the missing typedefs in the next release.

Jonathan