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def my_map
	result = []
	self.each {|i| result << yield(i)}
	result
end
 
print [1, 2, 3].my_map{|i| i == 2}

Runtime error #stdin #stdout #stderr 0.05s 9704KB

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:7:in `<main>': private method `my_map' called for [1, 2, 3]:Array (NoMethodError)

https://ideone.com/51ob1Q

language:

Ruby (ruby 2.5.5)

created:

visibility:

public

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