[plt-scheme] pseudo statics

Hi Hugh,

2009/7/1 Hugh Myers <hsmyers at gmail.com>

> Somewhere is a discussion about code like:
>
> (define counter
>    (let ((a 0))
>      (lambda ()
>        (set! a (+ 1 a))
>        a)))
>
> I just can't remember where! Anyone have any useful pointers or such?


Is this it?

http://schemecookbook.org/Cookbook/IdiomSharingState

-- 
Jens Axel Søgaard
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