[plt-scheme] associating data with structure types

Lauri Alanko wrote:

 > Certainly the _functionality_ it
> provides is general-purpose and useful enough for the general public.

Is Herman's define-struct/opt doing what you want?

<http://ja.soegaard.net/planet/html/dherman/struct.plt/current/doc.txt>

-- 
Jens Axel Søgaard