Re: [boost] [cpp0x] Macro to support some C++0x syntax and functionality

Subject: Re: [boost] [cpp0x] Macro to support some C++0x syntax and functionality
From: Bo Persson (bop_at_[hidden])
Date: 2010-04-05 07:07:51

Lorenzo Caminiti wrote:
>
> What do you think of the following macro that implementes this in
> ISO
> standard C++ while keeping the above C++0x-like syntax by wrapping
> it
> within a preprocessor sequence?
>
>    BOOST_CPP0X_FUNCTION(
>    (template)( (std::CopyConstructible)(T) )
>        (requires)( (Addable<T>) (Assignable<T>) )
>        (precondition)( (first) (last) )
>        (postcondition)(total)( (total == result) )
>    (T) (sum)( (T*)(first) (T*)(last) (T)(result) ) ({
>        for (; first != last; ++first)
>            result = result + *first;
>        return result;
>    }) )
>

This reminds me about the time when I tried out LISP programming, but 
didn't like it. To me it looks like there is very little C++ left in 
there, sorry.

Bo Persson