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ex_machina

0.6.2
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A factory library by the creators of FactoryBot (née FactoryGirl)

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ex_machina lib ex_machina sequence.ex
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lib/ex_machina/sequence.ex 

defmodule ExMachina.Sequence do

  def start_link do

    Agent.start_link(fn -> HashDict.new end, name: __MODULE__)

  end



  def next(sequence_name, formatter) do

    Agent.get_and_update(__MODULE__, fn(sequences) ->

      current_value = HashDict.get(sequences, sequence_name, 0)

      new_sequences = HashDict.put(sequences, sequence_name, current_value + 1)

      {formatter.(current_value), new_sequences}

    end)

  end

end