Re: PREPROCESSOR doc request

From: vesa_karvonen (vesa_karvonen_at_[hidden])
Date: 2002-01-29 03:42:10

--- In boost_at_y..., "vesa_karvonen" <vesa_karvonen_at_h...> wrote:
> --- In boost_at_y..., "David Abrahams" <david.abrahams_at_r...> wrote:
> > The particular thing I wanted to do seemed simple (to me): make a
> > list of all the built-in integral types, then generate
> > specializations of a class template for T and T const&, where T
> > are all members of the list. But, the docs for FOR_EACH seemed
> > daunting, especially the recursion depth business. I'm running
> > short of time, so I don't feel I can invest what's needed to
> > figure all of this stuff out.
> 
> hmm... I'll add an example on something like this. This kind of 
> functionality is rather directly supported by the library.

A simple example called "is_integral.cpp" has been committed. I'll 
revise it slightly a bit later. Hopefully it gets you started.

By the way, the recursion depth business can often be ignored. It is 
only important when you call other recursive functions inside a 
recursively implemented macro.