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Re: [PATCH] Use closures in hashcash.el

From: Stefan Monnier
Subject: Re: [PATCH] Use closures in hashcash.el
Date: Tue, 12 Mar 2019 16:37:30 -0400
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux)

> hashcash.el was switched over to lexical scope in da94ea9, but it still
> uses an old workaround of dynamically constructing lambda expression
> "closures" using backquote. The following patch changes these into
> proper closures.

Thanks, installed with the change below:

> -     (set-process-filter process `(lambda (process output)
> -                                    (funcall ,callback process output))))
> +     (set-process-filter process (lambda (process output)
> +                                   (funcall callback process output))))

Actually, this lambda expression is just a roundabout way to say
`callback` (by η-reduction).


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