On Tue, Aug 10, 2010 at 5:21 PM, Eric Niebler <e...@boostpro.com> wrote: > On 8/10/2010 11:14 AM, Robert Jones wrote: >> Well, as a complete novice to code of this sophistication I >> understood that piece perfectly, as far as it goes. Naturally, as the >> opening piece of a series it raises far more questions than it >> answers. > > That's great feedback, thank you.
Let me follow up. I like it too! >> It also scares me somewhat. This stuff could mark an absolute >> explosion of complexity in the code your average jobbing programmer >> is expected to get to grips with, and in my experience the technology >> is already slipping from the grasp of most of us! When you get this >> stuff wrong, what do the error messages look like? Boost.Bind & >> Boost.Lambda errors are already enough to send most of us running for >> the hills, > > A great point! (I've held back a whole rant about how long template > error messages are library bugs and should be filed as such. That's a > whole other blog post.) I sort of address this when I say that a good > dsel toolkit would force dsel authors to rigorously define their dsels, > leading to "better usage experiences". That's pretty vague, though. I > could be more explicit. But certainly the intention here is that proto > makes it easier for dsel authors to give their users more succinct error > messages. I think we see a great improvement with static_assert in C++0x! And we are potentially able to reduce error message if SFINAE is applied more often, with the disadvantage of losing information on what failed. >> and tool support is somewhat lacking as far as I know, >> being pretty much limited to STLFilt. >> >> Maybe I'm just too long in the tooth for this! >> >> Still, great piece, and I look forward to subsequent installments. > > Thanks, > > -- > Eric Niebler > BoostPro Computing > http://www.boostpro.com > _______________________________________________ > proto mailing list > proto@lists.boost.org > http://lists.boost.org/mailman/listinfo.cgi/proto > _______________________________________________ proto mailing list proto@lists.boost.org http://lists.boost.org/mailman/listinfo.cgi/proto
