Indicating incompatible modules

[Dicebot via Digitalmars-d-learn]

On Saturday, 31 May 2014 at 16:34:00 UTC, Joseph Rushton Wakeling 
via Digitalmars-d-learn wrote:
> Hello all,
>
> Is there a straightforward way to indicate that two modules 
> should not be used together in the same program?  Preferably 
> one that does not require editing both of the modules?
>
> The application I have in mind is when one is making available 
> an experimental module which is planned to replace one that 
> already exists; it's useful for the experimental module to be 
> able to say, "Hey, use me _or_ the standard module, but not 
> both of us."
>
> Any thoughts ... ?
>
> Thanks & best wishes,
>
>     -- Joe

Only at run-time (because of separate compilation) - you can 
iterate ModuleInfo and assert that only one of modules is 
available.