[Haskell-cafe] Comparison with Clean?

Benjamin Franksen benjamin.franksen at bessy.de
Wed May 4 16:47:21 EDT 2005


On Wednesday 04 May 2005 22:22, karczma at info.unicaen.fr wrote:
> Bryce Bockman writes:
> > Scheme is strict, so it lacks some of the flexibility (and drawbacks)
> > that come from Laziness, but in the book they teach you how to build a
> > Lazy version of Scheme, which is instructive in understanding what's
> > really going on in Lazy evaluation.
>
> Don't confuse categories please. SICP doesn't say how to make a lazy
> variant of Scheme. Applicative protocol is not normal protocol, the
> reduction is, as it is. 

We may have a different copy of SICP, but in mine (2nd edition) there is 
Chapter 4.2 "Variantions on a Scheme -- Lazy Evaluation" and in particular 
4.2.2 "An Interpreter with Lazy Evaluation".

Ben


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