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|
$j = 0
T = true
F = false
x = nil
Foo = [T,x,F,F,F]
Bar = [x,F,F,F,F]
def foo
r = Foo[$j]
puts "#{$j}: foo #{$j} -> #{r.inspect}"
$j += 1
r
end
def bar
r = Bar[$j]
puts "#{$j}: bar #{$j} -> #{r.inspect}"
$j += 1
r
end
def test1
$j = 0
puts foo..bar ? 'true' : 'false'
puts foo..bar ? 'true' : 'false'
puts foo..bar ? 'true' : 'false'
puts foo..bar ? 'true' : 'false'
end
def y; yield; end
def test2
$j = 0
$p = lambda {
puts foo..bar ? 'true' : 'false'
}
y &$p
y &$p
y &$p
y &$p
end
def t(b)
eval("
puts x
puts foo..bar ? 'true' : 'false'
", b)
end
def test3
$j = 0
x = 1
b = binding
t b
x += 1
t b
x += 1
t b
x += 1
t b
end
puts '--- test1 ---'
test1
puts '--- test2 ---'
test2
puts '--- test3 ---'
test3
|
