how to determine of a module or any other symbol is visible?

[rikki cattermole]

On 18/06/2018 9:03 PM, Mr.Bingo wrote:
> In the code I posted before about CRC, sometimes I get a visibility 
> error for some modules. I would like to be able to filter those out 
> using traits. Is there any way to determine if a module is 
> visible/reachable in the current scope?
> 
> The modules that are causing the problems are imported from other code 
> that imports them privately. The iteration code still finds the module 
> and tries to access it but this then gives a visibility error/warning.

Quite often when working with CTFE&traits, the easiest thing to do, is 
to do a check to see if whatever you're doing compiles. Nice and simple!