gistfile1.txt

defmodule Test do

  defmacro defstart(call, options) do
    :io.format("~p:~p~n", [call, options])
      nil
  end

end

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iex(112)> l(Test)
{:module,Test}
iex(113)> import Test
nil
iex(114)> x = quote do
...(114)>   defstart(foo, bar, baz) do
...(114)>    {:myreturn, foo, bar, baz}
...(114)> end
...(114)> end
{:defstart,[],[{:foo,[],Elixir},{:bar,[],Elixir},{:baz,[],Elixir},[do: {:"{}",[],[:myreturn,{:foo,[],Elixir},{:bar,[],Elixir},{:baz,[],Elixir}]}]]}
iex(115)> Macro.expand(x, __ENV__)
{:defstart,[],[{:foo,[],Elixir},{:bar,[],Elixir},{:baz,[],Elixir},[do: {:"{}",[],[:myreturn,{:foo,[],Elixir},{:bar,[],Elixir},{:baz,[],Elixir}]}]]}
iex(116)>