Re: macro BOOST_HAS_CONCEPTS not work + namespace for concepts

From: Gero Peterhoff (g.peterhoff_at_[hidden])
Date: 2023-02-19 13:48:38

Hi John,
Sure, you would have to fix that first to make it work at all and mark it as deprecated in the same breath.

But what about my proposal for a concept-namespace?


thx
Gero

Am 19.02.23 um 13:58 schrieb John Maddock via Boost:
> On 19/02/2023 12:24, Gero Peterhoff via Boost wrote:
>> Hi,
>> 1) the macro BOOST_HAS_CONCEPTS from <boost/config.hpp> (https://www.boost.org/doc/libs/1_81_0/libs/config/doc/html/boost_config/boost_macro_reference.html#boost_config.boost_macro_reference.macros_that_describe_possible_c___future_features) not work:
>> https://godbolt.org/z/3G8vTrjcf

> 
> I had no idea that was there to be honest - it's hopelessly out of date and refers to previous C++ concept proposal.  We need to figure out how to safely remove that.
> 
> You should be using BOOST_NO_CXX20_HDR_CONCEPTS for all new code.|
> |
> 
> HTH, John.
> 
> 
> _______________________________________________
> Unsubscribe & other changes: http://lists.boost.org/mailman/listinfo.cgi/boost