Re: Modules

From: Ville Voutilainen (ville.voutilainen_at_[hidden])
Date: 2020-08-23 19:43:18

On Sun, 23 Aug 2020 at 22:34, Zach Laine via Boost
<boost_at_[hidden]> wrote:
>
> On Sun, Aug 23, 2020 at 1:35 PM Mike via Boost <boost_at_[hidden]> wrote:
> >
> > Could you maybe point me to the relevant location in the standard? A quick test with
> > compiler explorer (https://godbolt.org/z/EP18s1) turns not up any errors,
> > but of course I doubt any compiler implements modules completely to spec yet.
>
> No, because it looks like that changed!  The rule I had in my head is
> from a previous version of the feature.  Sorry for the noise.

It is, however, worth noting that if you have, say, 16 different
possible preprocessor
outputs, you can just ship one header with the preprocessor
conditionals that with their
different values give you 16 programs, but you need to ship 16 modules
to get the same
result in a modular world.