Free functions versus member functions

[Regan Heath]

Kris wrote:
> Yes, that perspective resonates, though I tend to use the term 'client 
> functions' to describe what Scott is calling non-member functions.
> 
> There's some specific interest here with regard to D:
> 
> 1) the Widget factory example is less clear in D, due to that lack of an 
> equivalent 'namespace' mechanism. This is why such methods tend to reside 
> inside the respective class/struct in D. Yes, one could perhaps use "import 
> as" instead, but that would tend to muddy usage further. I think this 
> indicates a minor annoyance with the D namespace mechanism. One that's 
> bothered me from time to time <g>

What about D's modules or packages, aren't they the equivalent of a 
namespace?  If not, what do they lack?

Regan