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Re: Why is result of `car' ⇒ quote ? [SOLVED]
From: |
Jean Louis |
Subject: |
Re: Why is result of `car' ⇒ quote ? [SOLVED] |
Date: |
Wed, 15 Jun 2022 00:53:15 +0300 |
User-agent: |
Mutt/+ () (2022-05-21) |
* Emanuel Berg <incal@dataswamp.org> [2022-06-14 13:27]:
> >> Here I do not understand it quite, why do I get result of
> >> `car' below, to be `quote'?
> >>
> >> (nth 2 (car exporters)) ; ("Block 227, Plot 20086, Kakajja
> >> Zone") (car (nth 2 (car exporters))) ; quote
> >
> > And the answer is ...
> >
> > You have quoted the list twice!
> >
> > (setq exporters '((1 2 '("Block 227, Plot 20086, Kakajja Zone"))))
> >
> > (nth 2 (car exporters)) ; '("Block 227, Plot 20086, Kakajja Zone")
> >
> > (car (nth 2 (car exporters))) ; quote
>
> Instead of quoting the list twice, use `list' three times
>
> (setq exporters (list (list 1 2 (list "Block 227, Plot 20086, Kakajja
> Zone"))))
> (nth 2 (car exporters))
> (car (nth 2 (car exporters))) ; "Block 227, Plot 20086, Kakajja Zone"
>
> and then it works :)
That is what I did now, thanks.
--
Jean
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