From: <tomas@tuxteam.de>
To: help-gnu-emacs@gnu.org
Subject: Re: let-alist can't deal with the keys which includes spaces.
Date: Wed, 21 Jul 2021 09:29:46 +0200 [thread overview]
Message-ID: <20210721072946.GA18358@tuxteam.de> (raw)
In-Reply-To: <87wnpkyhmr.fsf@zoho.eu>
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On Tue, Jul 20, 2021 at 08:17:32PM +0200, Emanuel Berg via Users list for the GNU Emacs text editor wrote:
> > The docstring is confusing IMO, your example so-so but
> > better because of the initial "`let-alist' is just a handy
> > way to destructure an alist" line, but why not just put it
> > like this?
> >
> > (setq numbers '((one . 1)
> > (two . 2)
> > (three . 3)
> > (four . 4) ))
> >
> > (let-alist numbers
> > (list .one .two .three .four) ) ; (1 2 3 4)
>
> Or even better, because that's how it is supposed to be used,
> right, instead of `let' or as a variety thereof?
>
> (let-alist '((one . 1)
> (two . 2)
> (three . 3)
> (four . 4) )
> (list .one .two .three .four) ) ; (1 2 3 4)
If the alist is constant anyway, I'd simply use `let'. I'd leave
`let-alist' for cases where the alist is somehow dynamically generated.
But perhaps that's just me :)
Cheers
- t
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next prev parent reply other threads:[~2021-07-21 7:29 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-20 11:12 let-alist can't deal with the keys which includes spaces Hongyi Zhao
2021-07-20 12:49 ` tomas
2021-07-20 13:21 ` Hongyi Zhao
2021-07-20 14:56 ` tomas
2021-07-20 15:35 ` Omar Polo
2021-07-20 16:20 ` tomas
2021-07-20 16:52 ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-07-20 17:08 ` tomas
2021-07-20 17:50 ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-07-20 18:17 ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-07-21 7:29 ` tomas [this message]
2021-07-21 8:46 ` Emanuel Berg via Users list for the GNU Emacs text editor
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