async_1 = Task.async(fn ->
  IO.inspect("done async 1")
  1
end)

async_2 = Task.async(fn ->
  IO.inspect("done async 2")
  2
end)

results = Enum.map([async_1, async_2], fn(task) ->
  IO.inspect("starting new task")
  IO.inspect(task)
  Task.await(task)
end)

IO.inspect(results)