Module and package question

[Dibyendu Majumdar]

On Saturday, 14 November 2020 at 15:29:29 UTC, Adam D. Ruppe 
wrote:
> On Saturday, 14 November 2020 at 15:05:52 UTC, Dibyendu 
> Majumdar wrote:

>> Is it also true that the package and module name need not be 
>> associated with directory structure or file name?
>
> right.

Thanks.

I noticed that if I place a D source in a directory structure - 
say a/b/m.mod - and omit the module declaration, then the module 
name is part of the mangling but not the package. So package 
names always have to be declared in the module name?