Map and arrays

[bearophile]

Tom:

> Also I wish to point out that the layout and presentation of some of 
> phobos ddoc pages are, IMHO and as I said before, a little bit of a 
> mess. Wish they could look more like javadoc, or at least more organized.

D docs will surely need improvements, but I don't think they will look like javadoc because Walter follows the typical engineering principle of "brutal simplicity" :-)

Bye,
bearophile