Re: [boost] [GSoC] [Boost.Hana] Formal review request

Subject: Re: [boost] [GSoC] [Boost.Hana] Formal review request
From: Niall Douglas (s_sourceforge_at_[hidden])
Date: 2014-08-01 06:05:38

On 1 Aug 2014 at 11:39, Roland Bock wrote:

> > Usage of concepts is greatly:
> >
> > a) misunderstood
> > b) misunderestimated as to their value in design AND documentation
> Right, last year, I heard several people basically asking "why on earth
> would anyone want this?" after listening to a talk about Concepts Lite.
> It took me a about an hour at dinner to convince some of them that it
> might be worth looking into the topic a bit more...
> 
> > d) The word "concepts" is a big contributor to the problem - substitute
> > "type requirements" or "type constraints" for concepts.
> I like "type constraints" best.

FYI Concepts Lite isn't purely a type constraint system. It can also 
be used to type specialise in a much more general way than partial 
type specialisation and eliminate a great many std::enable_if<> or 
equivalents.

Niall

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