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perspective

0.1.2
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An event sourcing library based upon asynchronously generated perspectives

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perspective lib perspective config config.ex
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lib/perspective/config/config.ex 

defmodule Perspective.Config do

  defmacro __using__(key) do

    # raise an error with wrong usage

    optional_key =

      case Macro.expand(key, __CALLER__) do

        nil -> nil

        [] -> nil

        atom when is_atom(atom) -> atom

      end



    config_key = optional_key || __CALLER__.module



    quote do

      def config(key, default \\ nil) do

        Application.get_env(:perspective, unquote(config_key))

        |> Keyword.get(key, default)

      end

    end

  end

end