From: "Mattias Engdegård" <mattiase@acm.org>
To: Stefan Monnier <monnier@iro.umontreal.ca>
Cc: emacs-devel@gnu.org
Subject: Re: master 68c09c6: Better CPS conversion of multi-binding `let`
Date: Tue, 30 Nov 2021 14:49:36 +0100 [thread overview]
Message-ID: <9202FA8C-5AE4-4638-A3AA-29C7FA733BA6@acm.org> (raw)
In-Reply-To: <jwvwnkpkbis.fsf-monnier+emacs@gnu.org>
30 nov. 2021 kl. 14.42 skrev Stefan Monnier <monnier@iro.umontreal.ca>:
> (let ((x1 e1) ... (xN eN))
> BODY)
>
> into
>
> (let* ((t1 e1) ... (tN-1 eN-1) (xN eN) (x1 t1) .. (xN-1 tN-1))
> BODY)
Sorry, I should have read your original comment more carefully; I thought you meant some way of eliminating more than one temporary. Yes, that's probably a good idea. I'll see what I can do.
(That function, cps--transform-1, suffers severely from our lack of TCO by the way.)
next prev parent reply other threads:[~2021-11-30 13:49 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20211130120404.23495.29099@vcs0.savannah.gnu.org>
[not found] ` <20211130120405.6C5F4209FD@vcs0.savannah.gnu.org>
2021-11-30 13:19 ` master 68c09c6: Better CPS conversion of multi-binding `let` Stefan Monnier
2021-11-30 13:30 ` Mattias Engdegård
2021-11-30 13:42 ` Stefan Monnier
2021-11-30 13:49 ` Mattias Engdegård [this message]
2021-11-30 13:54 ` Stefan Monnier
2021-11-30 14:11 ` Mattias Engdegård
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