Re: [boost] [log] Comments

Subject: Re: [boost] [log] Comments
From: Andrey Semashev (andrey.semashev_at_[hidden])
Date: 2010-03-15 18:31:52

On 03/15/2010 11:36 PM, Steven Watanabe wrote:
> AMDG
>
> Andrey Semashev wrote:
>> On 03/15/2010 10:50 PM, Steven Watanabe wrote:
>>> I guess that what I'd like is a way to specify arbitrary attributes when
>>> logging, so BOOST_LOG_XXX would be defined like
>>>
>>> #define BOOST_LOG_XXX(lg, component, severity) BOOST_LOG_WITH_ATTRS(lg,
>>> ("Severity", severity)("Channel", component))
>>
>> That should be quite possible, if there was some way to select the
>> attributes from the rest of the named parameters for the logger.
>> Although that would mean the attributes are added/removed from the
>> logger at each record.
>
> You might be able to create special keywords that
> are associated with attribute names.

I think, it should be a single keyword that accumulates all attributes 
to be added. It's just how to store them in the named argument. In a 
fusion::vector, perhaps?..