Re: [Boost-users] [preprocessor] variable repetition

Subject: Re: [Boost-users] [preprocessor] variable repetition
From: Manfred Doudar (manfred.doudar_at_[hidden])
Date: 2010-05-31 21:55:19

Hello Roman,

Thank you ever so much, and for a lovely solution at that too; far
cleaner than the direction I was heading.  Can't thank you enough!

--Manfred

On Mon, 31 May 2010 17:19:40 +0200
Roman Perepelitsa <roman.perepelitsa_at_[hidden]> wrote:

> 2010/5/31 Manfred Doudar <manfred.doudar_at_[hidden]>
> 
> > Hello,
> >
> > I find I am still far from a solution to this, and hope someone
> > might kindly chime in.  At the _bottom_ of this email is what I've
> > got so far, though falls short of a solution...  help is still
> > sorely needed.
> 
> 
> #include <boost/preprocessor.hpp>
> 
> #define VAR(z, n, k) \
>     bar<BOOST_PP_ENUM_PARAMS(k, T)>(a[n]);
> 
> #define FUN(n) \
>    void foo(BOOST_PP_ENUM_PARAMS(n, T)) \
>    { \
>        BOOST_PP_REPEAT(n, VAR, n) \
>    }
> 
> #define BOOST_PP_LOCAL_MACRO(n) FUN(n)
> #define BOOST_PP_LOCAL_LIMITS (1, 3)
> #include BOOST_PP_LOCAL_ITERATE()
> 
> By the way, you don't have to undef  BOOST_PP_LOCAL_MACRO
> and BOOST_PP_LOCAL_LIMITS. They are undef-ed in
> BOOST_PP_LOCAL_ITERATE.
> 
> Roman Perepelitsa.

Thank you ever so much Roman, and for a lovely solution at that too; far
cleaner than the direction I was heading.