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From: | Simon Albrecht |
Subject: | Re: Scheme question: convert a range |
Date: | Mon, 16 Nov 2015 22:11:20 +0100 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 |
On 16.11.2015 21:59, David Kastrup wrote:
Simon Albrecht <address@hidden> writes:Hello, The subject certainly seems cryptic – it’s difficult to summarize, but an example will make it clear immediately. I want to write a scheme procedure, which takes a pair like #'(3 . 7) and returns a list with all the numbers in the range: #'(3 4 5 6 7) How is this done most easily?(let ((x '(3 . 7))) (iota (- (cdr x) (car x) -1) (car x)))
Nice! Thanks. Yours, Simon
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