[plt-scheme] Lightweight object system

> On 9/4/07, Dave Griffiths <dave at pawfal.org> wrote:
>> Excuse my ignorance here (and as a bit of an aside), what are the main
>> benefits to class systems over closures with local state as described in
>> the SICP chapter 3?
>
> Are you thinking more from a purely technical level, or methodological?

Maybe both - I had assumed (and I may well assume wrong) that class
systems technically are implementations of closures.

If so, are class systems simply macros to prettify the syntax of making
closures? (I assume not)

cheers,

dave