DConf 2013 Closing Keynote: Quo Vadis by Andrei Alexandrescu

[Jonathan M Davis]

On Sunday, June 30, 2013 21:54:08 Steven Schveighoffer wrote:
> On Sun, 30 Jun 2013 21:43:53 -0400, Jonathan M Davis <jmdavisProg at gmx.com>
> 
> wrote:
> > But I think that they key issue with swapping out
> > the implementation is not whether you can swap out the implementation
> > for your
> > whole program but rather being able to choose different implementations
> > for
> > different parts of your program.
> 
> This would never happen.  AAs are only ever going to be one
> implementation.  If you want to use another map type, you will have to use
> a struct/class.  I suppose AA's could simply be polymorphic, but I don't
> see the benefit.

I know. My point was that that's an inherent problem with built-in AAs that 
can't be overcome (regardless of how well they're implemented). If you want 
that level of control, you _have_ to use a library solution.

- Jonathan M Davis