Re: Custom streams 10x faster than srfi-41

[Jeremy Steward]

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Hey Amirouche,

| (define (lazy-iota count) (let loop ((i 0)) (lambda () (unless (eq?
| i count) (cons i (loop (1+ i)))))))
|
| (define iota3 (lazy-iota 3))
|
| (pk (iota3))
|
| The first time `lazy-iota' is called it returns a procedure that is
| bound to `count'. Then you can call that procedure to get a pair
| with the first value and a procedure which will allow to retrieve
| the rest.

This seems very similar to SRFI 121 (generators) and SRFI 127 (Lazy
Sequences). Is there something particularly different about this
implementation?

I've seen similar performance improvements in CHICKEN Scheme using
SRFI 121 and 127 over SRFI 41 (streams).

Cheers,
- -- 
Jeremy Steward

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