thing.ex

defmodule Store do
  def get(ptr) do
    Metrics.count()
    Metrics.timed do
      ptr.store.get(ptr)
    end
  end
end

defmodule Macro do
  defmacro count() do
    path = gen_path(__CALLER__, :counter)

    # How can i build up a compile time list of {:count, path}
    # and then access it at runtime?
    IO.inspect {:count, path}

    quote do
      Metrics.update_counter(unquote(path))
    end
  end
end