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mix_templates

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A modular, open templating system, designed for use with `mix gen`. You care about this if: ① you'd like different templates than the ones built in to mix, ② you'd like to create your own templates, or ③ you have created a package such as Phoenix or Nerves that needs its own project se...

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mix_templates lib mix_templates docs.ex
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lib/mix_templates/docs.ex 

defmodule MixTemplates.Docs do



  use Private



  def module_doc(module) when is_atom(module) do

    Code.ensure_loaded(module)

    |> look_for_info(module)

  end



  private do

    def look_for_info({:module, _}, module) do

      module

      |> function_exported?(:__info__, 1)

      |> get_docs(module)

    end

    def look_for_info(_, _), do: IO.puts "no info"



    def get_docs(is_elixir?, module) when is_elixir? do

      module

      |> Code.fetch_docs()

      |> extract_module_docs()

      |> format_docs

    end

    def get_docs(_, _), do: IO.puts "no docs"

    

    def extract_module_docs({:docs_v1, _, :elixir, _, %{"en" => module_docs}, _, _}) do

      module_docs

    end



    def format_docs({_, docs}) when is_binary(docs) do

      IO.puts docs

    end

    def format_docs(_), do: nil



  end



end