Re: Are "proper" closures used in Emacs sources?

[tomas]

On Tue, Jan 12, 2021 at 02:50:24PM +0100, Marcin Borkowski wrote:
> 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.)

tar-next-file-displayer of tar-mode.el seems to do (CAVEAT: I just
grepped for "closure" in the .el sources, dismissed the too-obvious
false-positives and half-scanned comments and code, so I might be
off by some amount! Double-check.)

Cheers
 - t

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