Dynamically generated macros using comprehension

bar.ex

defmodule Bar do
  defmacro __using__(__opts) do
    quote do
      import unquote(__MODULE__)
    end
  end

  for fn_name <- [:foo, :bar, :baz] do
    defmacro unquote(fn_name)(do: inner) do
      fn_name = unquote(fn_name)
      quote do
        IO.puts "#{unquote(fn_name)} called"
        unquote(inner)
      end
    end
  end


  for fn_name <- [:qux, :quux, :corge] do
    defmacro unquote(fn_name)() do
      fn_name = unquote(fn_name)
      quote do
        IO.puts "#{unquote(fn_name)} called"
      end
    end
  end

end

defmodule Foo do
  use Bar

  foo do
    bar do
      baz do
      end
    end
  end

  qux
  quux
  corge
end