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Re: map-put! and (setf (map-elt ...) ..) on lists

From: Eli Zaretskii
Subject: Re: map-put! and (setf (map-elt ...) ..) on lists
Date: Mon, 17 Dec 2018 18:06:46 +0200

> From: Nicolas Petton <address@hidden>
> Date: Mon, 17 Dec 2018 12:41:28 +0100
> Cc: Tom Tromey <address@hidden>, address@hidden
> Given that seq.el is completely free of side-effects (IIRC, there might
> be exceptions but I don't think so), and that map.el was done mimicking
> seq.el but for key/value collections, I like the idea of stating clearly
> when a function of map.el mutates the argument.

A function whose name begins with "set-" usually does.

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