Re: [boost] [explore] Library Proposal: Container Streaming

Subject: Re: [boost] [explore] Library Proposal: Container Streaming
From: Mathias Gaunard (mathias.gaunard_at_[hidden])
Date: 2009-12-01 07:55:58

Zachary Turner wrote:
> On Mon, Nov 30, 2009 at 4:37 PM, John Bytheway
> <jbytheway+boost_at_[hidden]<jbytheway%2Bboost_at_[hidden]>
>> wrote:
> 
>> Jeffrey Faust wrote:
>>> Jeffrey Bosboom wrote:
>>>> As a technical question, how are the operators found?  They can't be
>>>> added to std (adding to std is undefined behavior), and there's
>>>> otherwise no one namespace to put them in that will allow them to be
>>>> found for all element types (at least with my understanding of ADL).
>>> The operators are added to namespace std, and they are found through
>>> ADL.  I don't know how to make this work otherwise.
>> You could put them in the global namespace?  I think that would conform
>> better to the letter of the rules, without really being any safer in
>> practice.
> 
> 
> I'd rather put them in a library specific namespace in that case, and
> require the programmer to put a using declaration in the translation unit.

That's the way Boost.Assign does it, and is the way to go IMHO.