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From: Lars Ingebrigtsen <larsi@gnus.org>
To: Hu Lucius <orctarorga@gmail.com>
Cc: 48212@debbugs.gnu.org
Subject: bug#48212: [PATCH] subr-x.el: Added `while-let` and `while-let*`
Date: Wed, 12 May 2021 20:57:11 +0200	[thread overview]
Message-ID: <87zgwzeq60.fsf@gnus.org> (raw)
In-Reply-To: <CACDPnMFL7aOjKUPUczA1o7V=w9-CHwsO9MG_Y8ALhZmpxSSq6Q@mail.gmail.com> (Hu Lucius's message of "Mon, 3 May 2021 23:29:26 +0000")

Hu Lucius <orctarorga@gmail.com> writes:

> I've added two functions in `subr-x`, `while-let` and `while-let*`.
>
> `(while-let SPEC BODY)` evaluate each binding in turn and stop if a
> binding value is nil.
> BODY is evaluated repeatedly until a binding value is nil.
>
> `(while-let* VARLIST BODY)` is like `while-let` except VARLIST is of
> the form ((SYMBOL SOMETHING) ...).

Thank you, but I think these macros don't really give enough
functionality to warrant adding them to Emacs -- in general, using
`cl-loop' when you have conditions like this makes more sense, since it
gives you more control over the conditions and the return values.

So I'm closing this bug report.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no





      reply	other threads:[~2021-05-12 18:57 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-03 23:29 bug#48212: [PATCH] subr-x.el: Added `while-let` and `while-let*` Hu Lucius
2021-05-12 18:57 ` Lars Ingebrigtsen [this message]

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