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From: Greer, Joe (jgreer_at_[hidden])
Date: 2007-04-06 09:17:26

> -----Original Message-----
> From: boost-bounces_at_[hidden]
> On Behalf Of Michael Walter
> By formatting on-demand, we would create an attribute whenever it is
> used. That is, if (and only if) your filter requires the text
> attribute, it would be generated. Or do I misunderstand you concern?
No, you have my concern right. I am unlikely to use such a feature and
want to be sure that the filter check is as quick as possible for the
kinds of things I am likely to use. In other words, my goal is as close
to zero overhead as possible if a message is not desired, but if I go in
and set the registry/config option to turn the log message on, then I
want to see it and at that point I don't care when the message is
formatted to it's final form. Are you envisioning keeping the message
as a tuple of data items and manipulators and then evaluating them as
late as possible?


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