1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
|
=begin
Shows that super is not bound to the the current lexical method scope.
=end
def y &p; yield; p; end
class C
def f *a
puts "C.f #{a.inspect}"
end
def e *a
puts "C.e #{a.inspect}"
end
end
class E
def g *a
puts "E.g #{a.inspect}"
end
end
class A
def h *a
puts "A.h #{a.inspect}"
end
end
class F < E
def g *a
puts "F.g #{a.inspect}"
1.times {
super
$p = y {
1.times {
super
y &$q
}
}
}
y &$p
end
end
class B < A
def h *a
puts "B.h #{a.inspect}"
$q = y {
super
}
end
end
B.new.h 1
puts '--'
F.new.g 2
puts '--'
class D < C
define_method :f, &$p
def e *a
puts "D.e #{a.inspect}"
y &$p
end
end
D.new.f(3)
puts '--'
D.new.e(4)
|
