Re: [Chicken-users] procedure memoization

[Kon Lovett]

On Feb 17, 2010, at 5:08 PM, Nicolas Pelletier wrote:

> Hello,
>
> On Sat, Feb 13, 2010 at 5:53 AM, Hugo Arregui  
> <address@hidden> wrote:
> > there's a standard implementation for procedures memoization? Srfi  
> > or egg?

Not yet but check out the advice egg & 'around advice & you can roll- 
your-own.

> R5RS says that the result of forcing a promise is memoized. So you
> might want to do something along the lines of:
>
> (let ((x (delay (begin (print "Hi!") 1)))) (print (force x)) (print  
> (force x)))
> Hi!
> 1
> 1
>
> HTH,
>
> --
> Nicolas
>
>
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Best Wishes,
Kon