[Haskell-cafe] Re: Optimization problem

Magnus Jonsson magnus at smartelectronix.com
Thu Sep 14 12:58:44 EDT 2006

Thanks Bertran for your solution. I have difficulty understanding it so I 
can't comment on it right now but I'll try to have a look at it. Do you 
know of any article that explains this technique, starting from very 
simple examples?


On Thu, 14 Sep 2006, Bertram Felgenhauer wrote:

> I wrote:
>> [1] Balancing can be done with the information in the blueprint, and
>> mapping back is easily done by doing the transformation on the tree
>> in reverse.
> I should add that this possibility was the main reason for dealing with
> blueprints at all. As Ross Paterson's solution shows, it's possible to
> get simpler code without balancing the tree.
> regards,
> Bertram
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