Re: [Spirit-general] concept checks?

[Joel de G. <dj...@gm...>]

Thomas Lien wrote:
> I want to express my praise for spirit as the most
> flexible and powerful lexer/paser I have ever come
> across. Taking the time to learn it rather than using
> flex/bison was well worth it. 

Gee. Thanks!

> As with all heavily
> templated libraries, however, the error messages can
> be extremely frustrating, and I consider myself a
> fairly advanced c++ programmer.
> 
> Stroustrup acknowledges this weakness and has
> explained how to create concept checking classes. This
> exposes less of the implementation details and
> produces shorter error messages that make implicit
> contracts explicit. This would be a big boon to spirit
> as there seem to be implicit concepts everywhere.
> Boost itself has the concept_check library for this
> purpose. Are there any plans to introduce concept
> checks?

Oh yeah. This has been planned a long time ago but
somehow always slips through the cracks. I think this
should be a high priority. Thanks for reminding us.

-- 
Joel de Guzman
joel at boost-consulting.com
http://www.boost-consulting.com
http://spirit.sf.net