Re: C++

> You do have a point about the error messages though.  It still shows
> that C++ was originally just a C preprocessor.  Some errors can only be
> understood if you know how the feature is implemented.

You might find this interesting (motivation, 2nd paragraph):

    http://en.wikipedia.org/wiki/Concepts_(C%2B%2B)

Although this won't be shipped as stable anytime soon.

Lluis

--
 "And it's much the same thing with knowledge, for whenever you learn
 something new, the whole world becomes that much richer."
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 Tollbooth