Loop through an array until empty : empty « Array « Ruby

1. Ruby
2. Array
3. empty

Loop through an array until empty

def print_each(array)
  array.each { |x| puts x.inspect }
end

hash = { "A" => "a",
         "B" => "b" }
array = hash.to_a

until array.empty?
  item, quantity = array.pop
  puts "#{quantity} #{item}"
end

 

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