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def foo
	a = 22
end
 
def bar
	a = 33
end
 
def p
	puts a
end
 
foo
bar
p

Runtime error #stdin #stdout #stderr 0.01s 5880KB

stdin

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Standard input is empty

stdout

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Standard output is empty

stderr

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prog.rb:10:in `p': undefined local variable or method `a' for main:Object (NameError)
	from prog.rb:15:in `<main>'

https://ideone.com/7U3FyS

language:

Ruby (ruby 2.5.5)

created:

visibility:

public

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