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From: Andrea Corallo via "Emacs development discussions." <emacs-devel@gnu.org>
To: Marcin Borkowski <mbork@mbork.pl>
Cc: "emacs-devel@gnu.org" <emacs-devel@gnu.org>
Subject: Re: Are "proper" closures used in Emacs sources?
Date: Tue, 12 Jan 2021 16:48:20 +0000	[thread overview]
Message-ID: <xjfa6tedru3.fsf@sdf.org> (raw)
In-Reply-To: <875z42s1r3.fsf@mbork.pl> (Marcin Borkowski's message of "Tue, 12 Jan 2021 14:50:24 +0100")

Marcin Borkowski <mbork@mbork.pl> writes:

> Hi all,
>
> it's been quite some time since lexical binding was introduced to
> Elisp.  Apart from possible optimizations and being less error-prone, it
> allows for all the cool tricks with closures.  Are there any places in
> Emacs core where "proper" closures are actually used?  (By "proper",
> I mean closures with non-empty lexical environment, actually using said
> environment.)

I've put a print in `byte-compile-make-closure' and did a bootstrap.

I'm counting 7289 occurrences in the Emacs code base.  Is this a correct
estimation?

  Andrea



  parent reply	other threads:[~2021-01-12 16:48 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-12 13:50 Are "proper" closures used in Emacs sources? Marcin Borkowski
2021-01-12 15:43 ` tomas
2021-01-12 15:56 ` Zhu Zihao
2021-01-12 15:57 ` Stefan Monnier
2021-01-12 16:48 ` Andrea Corallo via Emacs development discussions. [this message]
2021-01-12 17:22   ` Stefan Monnier

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