rotten news relay - comp.lang.scheme - Re: Collection utilities

Subject: Re: Collection utilities
From: B. Pym
Newsgroups: comp.lang.lisp, comp.lang.scheme
Organization: A noiseless patient Spider
Date: Sat, 7 Sep 2024 02:25 UTC

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From: Nobody447095@here-nor-there.org (B. Pym)
Newsgroups: comp.lang.lisp,comp.lang.scheme
Subject: Re: Collection utilities
Date: Sat, 7 Sep 2024 02:25:31 -0000 (UTC)
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Software Scavenger wrote:

> LOOP is powerful, general, and standard. E.g.
>
> CL-USER 5 > (loop as i below 5 collect i collect (* i 2))
> (0 0 1 2 2 4 3 6 4 8)

Gauche Scheme

(use srfi-42) ; append-ec

(append-ec (: i 5) (list i (* i 2)))
===>
(0 0 1 2 2 4 3 6 4 8)

Subject	Author
Re: Collection utilities	B. Pym

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