Get AA key and value type

[Marc Schütz via Digitalmars-d-learn]

On Saturday, 19 September 2015 at 12:50:51 UTC, Pierre wrote:
> Hi everybody,
>
> I would like to extract key and value type from AA.
>

You can also do it with built-in syntax:

template AATypes(AA : K[V], K, V)
{
     alias Key = K;
     alias Value = V;
}