Aß
Size: a a a
Aß
AZ
b⛅
ND
ND
ND
ND
TT
Aß
(define (fold-left acc fn xs)
(if (null? xs)
acc
(fold-left (fn acc (car xs))
fn
(cdr xs))))
(define (fold-right acc fn xs)
(if (null? xs)
acc
(fn (car xs)
(fold-right acc fn (cdr xs)))))
y
ND
y
ND
Aß
TT
AZ
Aß
Aß