[racket] design and rationale of ports

On Wed, Nov 10, 2010 at 6:00 AM, Taylor R Campbell
<campbell+racket at mumble.net> wrote:
> I am completely lost in the documentation and implementation of ports.
> Is there a document giving a high-level overview of the design of the
> port abstraction in Racket

http://docs.racket-lang.org/guide/i_o.html

the guide is easier on n00bs than the language reference.