tomas@tuxteam.de schreef op zo 06-02-2022 om 10:27 [+0100]:
> ...but doesn't "see" whether bindings are actually used (quite
> possibly
> those go away in a later optimisation phase, though):
> 
> | scheme@(guile-user)> ,expand (let ((x 3)) (message #t "Yikes"))
> | $3 = (let ((x 3)) (message #t "Yikes"))

They do go away during optimisation:

scheme@(guile-user)> ,optimize (let ((x 3)) (message #t "Yikes"))
$1 = (message #t "Yikes")