From: Drew Adams <drew.adams@oracle.com>
To: "Óscar Fuentes" <ofv@wanadoo.es>,
"help-gnu-emacs@gnu.org" <help-gnu-emacs@gnu.org>
Subject: RE: [External] : Re: pcase without code duplication
Date: Fri, 23 Apr 2021 03:51:16 +0000 [thread overview]
Message-ID: <SA2PR10MB4474134280A5C1AF633E60F3F3459@SA2PR10MB4474.namprd10.prod.outlook.com> (raw)
In-Reply-To: <877dktel9m.fsf@telefonica.net>
> > I am using pcase, but am wondering whether I can have pcase
> > for 0 and 2 do the same things without adding a separate pcase
> > (0 and duplicating the statements.
> >
> > (pcase orthogr-region
> > (0 ... ) ; same operations as pcase 2
> > (1 ... )
> > (2 ... ) ; operations
> > (_ ... ) )
>
> (let ((xx 2))
> (pcase xx
> (1 (message "one"))
> ((or 0 2) (message "zero or two"))
> (_ (message "something else"))))
And even ordinary cl-case (aka case) will do,
if that's all you're doing.
(cl-case xx
(1 (message "one"))
((0 2) (message "zero or two"))
(t (message "something else")))
prev parent reply other threads:[~2021-04-23 3:51 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-23 2:45 pcase without code duplication michael-franzese
2021-04-23 3:24 ` Óscar Fuentes
2021-04-23 3:45 ` michael-franzese
2021-04-23 4:01 ` Stefan Monnier
2021-04-23 3:51 ` Drew Adams [this message]
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