Of the use of unpredictableSeed

[Yuxuan Shui via Digitalmars-d]

On Tuesday, 7 March 2017 at 20:15:56 UTC, Nick Sabalausky 
(Abscissa) wrote:
> On 03/07/2017 05:18 AM, Seb wrote:
>>[...]
>
> Ooh, that's great to know! (Kinda sad that it seems necessary, 
> given the "unix filesystem and unix design" ideals, but oh 
> well, realities are realities.)
>
> Is there a "proper" way to check for this function's existence 
> on a local machine, other than test-compiling, or is parsing 
> 'uname -a' as "right way" as it gets?
>
> And anyone know about OSX? Would OSX use the getentropy the 
> article you linked to mentions for OpenBSD? Or something else? 
> Or just fallback to /dev/(u)random?
>
> This really deserves a Phobos PR, IMO, FWIW.

https://github.com/dlang/phobos/pull/5230