gistfile1.rb

class LinkedList
 
  attr_reader :root
  
  def initialize node
    @root = node
  end
  
  def add x
    current = root
    new_node = Node.new x
    until current.neighbor.nil? 
      current = current.neighbor
    end
    current.neighbor = new_node
  end
  
  def find x
   current = root
   until current.content == x
    current = current.neighbor
   end
  end
  
  def delete x
   current = root
   previous = nil
   until current.content == x
    previous = current
    current = current.neighbor
   end
   previous.neighbor = current.neighbor
  end
  
end