GNU bug report logs - #52063
28.0.60; Confusing presentation of lambda

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Message #116 received at 52063 <at> debbugs.gnu.org (full text, mbox):

From: Michael Heerdegen <michael_heerdegen <at> web.de>
To: Lars Ingebrigtsen <larsi <at> gnus.org>
Cc: Gregory Heytings <gregory <at> heytings.org>, fgunbin <at> fastmail.fm,
 Stefan Monnier <monnier <at> iro.umontreal.ca>, 52063 <at> debbugs.gnu.org
Subject: Re: bug#52063: 28.0.60; Confusing presentation of lambda
Date: Thu, 25 Nov 2021 15:08:16 +0100

Lars Ingebrigtsen <larsi <at> gnus.org> writes:

> A closure has lexical binding inside itself, though, which lambdas do
> not have. [...]  (See code snippet that demonstrates the issue in an
> earlier post of mine.)

Oh - indeed.  Then those function values have fundamentally different
semantics when funcalled, and it's good that they are represented
differently.

My guess would be that the decision "can be translated into a lambda" in
the general case is either expensive or not even decidable.

Michael.

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