Looking for documentation of D's lower-level aspects.

[Sean Silva]

== Quote from Jonathan M Davis (jmdavisProg at gmx.com)'s article
> On Saturday, October 22, 2011 17:04:57 Sean Silva wrote:
> The main planned changes that I'm aware of are to
> 1. Make all containers final classes (Array and SList are currently
reference-
> counted structs).

What is the rationale for making them classes, if they are going to be
final?