University
of Washington • CSE583 • D. Notkin © 2000
10
Ex: Definitions, expressions and evaluation
results
l(+ 3
4)
7
7
l(define
seven (+ 3 4))
seven
seven
lseven
7
7
l(+ seven
8)
15
15
l(define
(square n) (* n n))
square
square
l(square
7)
49
49