(Sorry for the top post.)
Domains do behave like an inheritance hierarchy with one caveat: default_domain
is special. Expressions in the default_domain, or sub-domains thereof, can
interoperate with expressions in other domains. So, imagine c++ inheritance
where you can opt-in to inheritance from Object, but even if you don't, things
that do can still play with objects in your hierarchy.
There isn't a clean analogy here. I wonder if the behavior of domains should
change to make the analogy cleaner; every domain could be a sub-domain of
default_domain. So everything can be combined with everything else. Very loose.
Maybe too loose, I don't know. But it would be easier to explain.
Eric
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-----Original Message-----
From: Fernando Pelliccioni <fpellicci...@gmail.com>
Sender: proto-boun...@lists.boost.org
Date: Wed, 11 Jan 2012 09:02:52
To: Discussions about Boost.Proto and DSEL design<proto@lists.boost.org>
Reply-To: "Discussions about Boost.Proto and DSEL design"
<proto@lists.boost.org>
Subject: Re: [proto] user docs for advanced features
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