[Haskell-cafe] Re: Optimization problem

Bertram Felgenhauer bertram.felgenhauer at googlemail.com
Thu Sep 14 12:18:04 EDT 2006

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.



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