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# setup ##############################
$i = 0
def defp &p
$p = p
end
defp {}
def f *,&p
if $i == 0
puts 'retrying'
$i = 1
retry
end
end
#######################################
def g1 *a
puts 'G'
f puts('F'),&$p
end
def g2 *a
puts 'G'
raise
rescue
f puts('F'),&$p # retries the try-block, unless this method doesn't get block $p
end
def g3 *a
puts 'G'
1.times do
puts 'T'
f puts('F'),&$p # retries the block, unless this method doesn't get block $p
end
end
$outer_lambda = lambda do
puts 'T'
f puts('F'),&$p
end
def g4 *a
puts 'G'
1.times &$outer_lambda # retries the f call in $outer_lambda; we are not in the function g4 here, because the block has been created outside it
end
def g5 *a
$local_lambda = lambda do
puts 'T'
f puts('F'),&$p
end
puts 'G'
1.times &$local_lambda # retries the block; we are in the scope of g5
end
def h
puts '- 1 -'
$i = 0
g1 puts('g') # the function f call in g1 is retried
puts '- 2 -'
$i = 0
g1 puts('g'), &$p # this call is retried
puts '- 3:rescue -'
$i = 0
g2 puts('g') # the function f call in g2 is retried
puts '- 4:rescue -'
$i = 0
g2 puts('g'), &$p # the try-block in g1 is retried (!)
puts '- 5:block -'
$i = 0
g3 puts('g') # the function f call in g3 is retried
puts '- 6:block -'
$i = 0
g3 puts('g'), &$p # the 1.times call in g3 is retried (!)
puts '- 7:out-lambda -'
$i = 0
g4 puts('g') # the function f call in $l is retried
puts '- 8:out-lambda -'
$i = 0
g4 puts('g'), &$p # the function f call in $l is retried
puts '- 9:in-lambda -'
$i = 0
g5 puts('g') # the function f call in $l is retried
puts '- A:in-lambda -'
$i = 0
g5 puts('g'), &$p # the function f call in $l is retried
end
h
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