Liliana Marie Prikler schreef op wo 15-06-2022 om 13:26 [+0200]:
> We don't do square brackets in Guile.  Also, using λ rather than
> spelling out "lambda" results in a syntax error.

This construct seems to work fine for me:

> (let ((id (λ (x) x))) (id 0))
$2 = 0

Greetings,
Maxime.