[boost] Re: Re: Policy-based smart pointers revisisted (was: Re:Preliminarysubmission: command line & config file library)

From: David B. Held (dheld_at_[hidden])
Date: 2003-01-18 13:26:39

"David Abrahams" <dave_at_[hidden]> wrote in message
news:un0lyy3d0.fsf_at_boost-consulting.com...
> [...]
> In Boost.Python I'm using a system for interfaces such as this one
> where optional template parameters can be passed in any order.
> I'm using the properties of the type to detect their meaning.  It
> works great.  Using boost/mpl/has_xxx.hpp (and, for compilers
> which don't support it, is_base_and_derived) should be enough to
> build a nice policy-based interface.

By "works great", do you mean it works great for you as a library
implementor, or it works great for users, and they feel it is a good
way to specify policies?

Dave