'version'-based code selection

[rikki cattermole]

On 01/06/2019 3:59 PM, Yatheendra wrote:
> 
> Hi people.
> 
> The 'version' keyword sounds like a fantastic capability, but how far 
> does DMD take it (and does GDC take it equally far)? This is not a "D 
> Improvement Proposal", I am just asking how it is now.

GDC, LDC and DMD all share the same frontend from DMD.

> Can code of multiple versions be compiled into the same executable or 
> library, and a particular one selected from "later"? I guess not without 
> some name mangling and wrangling.

It is not supported.

Think #ifdef and you should get a basic understanding of its scope.