[Haskell-cafe] Re: Optimization problem

Henning Thielemann lemming at henning-thielemann.de
Fri Sep 15 11:28:44 EDT 2006

On Thu, 14 Sep 2006, Bertram Felgenhauer wrote:

> Magnus Jonsson wrote:
> > 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?
> Not really. It's a result of thinking about lazy evaluation, and
> especially lazy patterns (and let bindings) for some time. A wiki article
> that helped me a lot to understand these is
>   http://www.haskell.org/hawiki/TyingTheKnot
> I'd like to point out the trustList function there which uses the idea
> of encoding the structure of a term and its actual values in different
> arguments, i.e. a blueprint.

Maybe you could add a new item "Blueprints" to Haskell Idioms.

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