Brian Cully schreef op za 23-04-2022 om 16:40 [-0400]:
> 	Where is this in the code?

Nowhere.  I tried implementing 'output', and noticed I just ended up
with something equivalent to a simple call to 'gexp-input' (hence,
‘this thing already exists’).  'gexp-input' can be found in (guix
gexp).

Greetings,
Maxime.