"Chapter 4"
"4.1  Primitive expression types"
"4.1.1  Variable references"
28
"4.1.2  Literal expressions"
a
#(a b c)
(+ 1 2)
a
#(a b c)
()
(+ 1 2)
(quote a)
(quote a)
"abc"
"abc"
145932
145932
#t
#t
"4.1.3  Procedure calls"
7
12
"4.1.4  Procedures"
#<procedure>
8
3
10
(3 4 5 6)
(5 6)
"4.1.5  Conditionals"
yes
no
1
"4.1.6  Assignments"
3
5
"4.2  Derived expression types"
"4.2.1  Conditionals"
greater
equal
2
composite
consonant
#t
#f
(f g)
#t
#t
#t
#f
(b c)
"4.2.2  Binding constructs"
6
35
70
#t
"4.2.3  Sequencing"
6
4 plus 1 equals 5
"4.2.4  Iteration"
#(0 1 2 3 4)
25
((6 1 3) (-5 -2))
"4.2.6  Quasiquotation"
(list 3 4)
(list a (quote a))
(a 3 4 5 6 b)
((foo 7) . cons)
#(10 5 2 4 3 8)
(a (quasiquote (b (unquote (+ 1 2)) (unquote (foo 4 d)) e)) f)
(a (quasiquote (b (unquote x) (unquote (quote y)) d)) e)
(list 3 4)
(quasiquote (list (unquote (+ 1 2)) 4))
"4.3  Macros"
"4.3.1  Binding constructs for syntactic keywords"
now
outer
7
"4.3.2  Pattern language"
ok