GNU bug report logs - #57801
'inferior-with-channels' is eager, making it hard to use in channels

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From: Maxime Devos <maximedevos <at> telenet.be>
To: Lukasz Olszewski <dev <at> lukaszolszewski.info>, 57801 <at> debbugs.gnu.org
Subject: bug#57801: 'inferior-with-channels' is eager, making it hard to use in channels
Date: Thu, 15 Sep 2022 17:46:15 +0200

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On 14-09-2022 19:18, Lukasz Olszewski wrote:
> Additionally this fails even when used like this:
> 
> (define inferior
>    (mlambda ()
>      (inferior-for-channels channels)))

This makes it lazy (not eager).

> (lookup-inferior-packages (inferior) "somepackage")

You are running (inferior) directly after defining the lazy thing, 
making it effectively _eager_ (not lazy) again.

Instead of doing this on the top-level, move the 
lookup-inferior-packages to inside the 'inputs' or 'native-inputs', to 
_keep_ it lazy.

Greetings,
Maxime.

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