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Re: [Chicken-users] html-stream: idiom for large iterations?

From: Thomas Chust
Subject: Re: [Chicken-users] html-stream: idiom for large iterations?
Date: Tue, 05 Apr 2005 18:27:35 +0200
User-agent: nail 11.20 1/13/05

Graham Fawcett <address@hidden> wrote:

> [...]
> However, this fails because the (map) generates a list of 1000
> elements, which exceeds the parameter limit for (apply).
> Is there an idiomatic way to rewrite this, and avoid the parameter limit?
> [...]


well, using fold instead of apply you can usually avoid the parameter

(require-extension html-stream)
  (html (head (title "Hello, world!"))
   (body (ul
          (fold-right stream-append (html-stream)
                      (map (lambda (x) (html-stream
                                        (li "This is item " x)))
                           (iota 1000))))))))

But there may be a better solution depending on the actual data you
have to work on.

Thomas Chust

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