Re: [boost] [gsoc] Interest in BGL v2?

Subject: Re: [boost] [gsoc] Interest in BGL v2?
From: Dave Abrahams (dave_at_[hidden])
Date: 2011-03-31 09:59:13

At Thu, 31 Mar 2011 09:01:01 -0400,
Michael Lopez wrote:
> 
> The BGL concept hierarchy is being re-evaluated based on the rewrite of the
> data structures and algorithms, meaning that the concepts come after we
> implement most of the data structures and algorithms. We will then analyze
> the library and define the concepts based on the types and algorithms we
> have in place. After constructing the concept hierarchy, we will refine the
> graph types, then the concepts, etc. This iterative method is the approach
> we've chosen for Origin.
> 
> There was a time when we started to build the concept hierarchy before the
> data structures were in place and even at the same time the data structures
> were being implemented, but that wasn't working. We found that building data
> structures to model concepts, at least initially, restricted us to the
> design decisions we made with the concepts.

Good going.  That's one of the hardest lessons to learn in Generic
Programming, but also one of the most important.

-- 
Dave Abrahams
BoostPro Computing
http://www.boostpro.com