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grains

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A framework to implement process data flows using declarative flow graphs.

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grains lib grains support publisher.ex
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lib/grains/support/publisher.ex 

defmodule Grains.Support.Publisher do

  @moduledoc """

  A grain to forward messages downstream.



  This grain is meant for testing purposes, where another grain is to be tested.

  """



  use Grains.GenGrain



  @impl true

  def init(_) do

    {:ok, :ok}

  end



  @impl true

  def handle_cast(msg, state) do

    push(msg)

    {:noreply, state}

  end



  @impl true

  def handle_pull(_, state) do

    {:noreply, state}

  end



  @impl true

  def handle_pull(_, _tag, state) do

    {:noreply, state}

  end

end