GNU bug report logs - #16238
24.3.50; pcase docs (and possibly pcase) wrong

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Package: emacs;

Reported by: Tassilo Horn <tsdh <at> gnu.org>

Date: Tue, 24 Dec 2013 09:15:02 UTC

Severity: minor

Found in version 24.3.50

Done: Tassilo Horn <tsdh <at> gnu.org>

Bug is archived. No further changes may be made.

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From: Stefan Monnier <monnier <at> IRO.UMontreal.CA>
To: Tassilo Horn <tsdh <at> gnu.org>
Cc: 16238 <at> debbugs.gnu.org
Subject: bug#16238: 24.3.50; pcase docs (and possibly pcase) wrong
Date: Tue, 24 Dec 2013 09:53:35 -0500

> (defun evaluate (exp env)
>   (pcase exp
>     (`(add ,x ,y)         (+ (evaluate x env) (evaluate y env)))
>     (`(call ,fun ,arg)    (funcall (evaluate fun) (evaluate arg env)))
>                                                 `--- HERE!

Indeed, feel free to fix it.

> But shouldn't `arg' be substituted with 'x and `body' with '(add 1 x)?

No, the code is meant for lexical-binding.


        Stefan
This bug report was last modified 11 years and 155 days ago.

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