From: Jean Louis <bugs@gnu.support>
To: Michael Heerdegen <michael_heerdegen@web.de>
Cc: help-gnu-emacs@gnu.org
Subject: Re: pcase on multiple conditions
Date: Fri, 28 Oct 2022 15:05:19 +0300 [thread overview]
Message-ID: <Y1vFfwMsXdBjNQdg@protected.localdomain> (raw)
In-Reply-To: <87fsf82xzu.fsf@web.de>
* Michael Heerdegen <michael_heerdegen@web.de> [2022-10-28 10:46]:
> Jean Louis <bugs@gnu.support> writes:
>
> > * Heime <heimeborgia@protonmail.com> [2022-10-28 09:49]:
> > > Is this the way to test for two values to perform the same operation?
> > >
> > > (pcase complt
> > >
> > > ((or 3 4)
> > >
> > > (myfunc)))
> >
> > With `or' it will become true if any of values is true.
>
> `pcase' patterns are not values. Your interpretation of the semantics
> of this `or` pattern is wrong.
I actually skipped to think of pcase, but mentioned only `or' in
general.
(let ((my-number (read-number "Number: ")))
(pcase my-number
((or 3 4) (message "Yes, it is 3 or 4"))
(t (message "Not 3 or 4")))) ⇒ "Not 3 or 4" for entry of 5
So why this does not work?
--
Jean
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next prev parent reply other threads:[~2022-10-28 12:05 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-28 6:47 pcase on multiple conditions Heime
2022-10-28 7:08 ` Jean Louis
2022-10-28 7:44 ` Michael Heerdegen
2022-10-28 9:57 ` Heime
2022-10-28 10:39 ` Michael Heerdegen
2022-10-28 12:05 ` Jean Louis [this message]
2022-10-28 12:47 ` Michael Heerdegen
2022-10-28 13:14 ` Stefan Monnier via Users list for the GNU Emacs text editor
2022-10-30 12:58 ` Emanuel Berg
2022-10-30 16:29 ` Jean Louis
2022-10-30 12:55 ` Emanuel Berg
2022-10-30 12:53 ` Emanuel Berg
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