[Development] Using #pragma once

[Henry Skoglund]

On 2018-10-08 18:12, Matthew Woehlke wrote:
> On 08/10/2018 02.23, Henry Skoglund wrote:
>> So, what about a new preprocessor command:
>>
>> __has_same_md6_digest
> 
> See also http://wg21.link/p0538 and note that EWG rejected it. The
> general consensus, AFAICT, is that modules is expected to make all this
> stuff irrelevant, and therefore EWG does not want to invest in fiddling
> with the preprocessor for a problem that is becoming irrelevant.
> 

Aha, didn't know about your proposal, looks good.

I forgot about modules, and even if they don't make it into C++20, I 
agree that most likely they are the future/best way to solve this problem.

Rgrds Henry