Elixir Agent example

gistfile1.txt

defmodule HitCountAgent do

  use Agent

  @docmodule """
    This is the agen based implementation of a counter
  """

  @doc """
    hitPid = HitCountAgent.start()
    HitCountAgent.record_hit(hitPid)
    HitCountAgent.get_count(hitPid)
  """

  def start() do
    Agent.start_link(fn -> 0 end)
  end

  def record_hit(agent) do
    Agent.update(agent, &(&1+1))
  end

  def get_count(agent) do
    Agent.get(agent,&(&1))
  end
end