gistfile1.txt

def get_positive(array)
  arr = array.uniq.sort
  smallest = 1
  arr.each do |num|
    if num == smallest  
      smallest += 1
    elsif num > smallest
      return smallest
    end
  end
  puts "nothing"
end

irb(main):141> get_positive(data2) <= [1,2,3,4,5]
nothing
=> nil