C++ concepts

[Justin Johansson]

Walter Bright wrote:
> Justin Johansson wrote:
>> Anyway, fwiw, and being a sharing and caring kind of person :-),
>> I was wondering if any of the concepts regarding C++0x's "concept"
>> keyword would be of interest to D people, especially those of you
>> who have an interest in metaprogramming. Hey, maybe it's something
>> already coming to a D2 screen near you, I don't know.
> 
> D already has them, they're called "constraints."
> 
> 
> http://www.digitalmars.com/d/2.0/cpp0x.html#concepts

Well, of course I knew if it was a good idea D would have it already!