[racket] for/hash: bad syntax in: for/hash

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On 04-01-12 16:55, Matthias Felleisen wrote:
> 
> On Jan 4, 2012, at 10:40 AM, Marijn wrote:
> 
>> Basically, my idea was to transform:
>> 
>> (dependent-boxes ((a) (b (* 2 a)) (c (+ 2 a b))))
>> 
>> into something which would automatically propagate changes in
>> any cell/box to any other box which was dependent on it. Pretty
>> much exactly like a spreadsheet does. As target for that
>> transformation I had chosen something like:
> 
> 
> I'd like to recommend FrTime (father time) because this is exactly
> what you want and people have implemented a spreadsheet in it. It
> is a #lang and, its implementation uses macros like the one you had
> in mind.
> 
> -- Matthias

Thanks Matthias, I guess I'll have to go back and have another look...

Marijn
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