Right after allocators: containers or database connectivity?

[Vlad Levenfeld via Digitalmars-d]

On Wednesday, 10 June 2015 at 00:26:23 UTC, ZombineDev wrote:

> // Templatize a module by memory management strategy (and more).
> // Like specifying versions on the command-line, but
> // as powerful as templates:
>
> enum desired_mms = MMStrategy.refCounting;
> import image_processing!desired_mms : Image;
> // Image is a refcounted or GC class, depending on
> // the module template parameter
>
> [1]: 
> http://beta.forum.dlang.org/thread/m0bdgg$1t7j$1@digitalmars.com

Why not something like

   alias HashMap (T) = std.container.HashMap!(T, 
MMStrategy.refCounting)

which is available now, just depends on how the template arts for 
a given container are set up.