Re: [Boost-users] [Proto] Detecting if a tag is a proto type or not

Subject: Re: [Boost-users] [Proto] Detecting if a tag is a proto type or not
From: Eric Niebler (eric_at_[hidden])
Date: 2008-11-17 10:36:26

Joel Falcou wrote:
> I want to do some dispatching based on the fatc that my binary_expr tag 
> is one of predefined proto tag or not.
> What kind of internal properties of proto tags can I try to use to 
> perform this discrimination ?
> 

Well, they're defined in the boost::proto::tag namespace. You can play 
tricks with ADL and sizeof....

-- 
Eric Niebler
BoostPro Computing
http://www.boostpro.com