Definject with no do case

gistfile1.ex

defmodule DefinjectPlayground do
  import Definject

  # definject hello(who, opts \\ [])
  # definject hello(name_list, _opts) when is_list(name_list), do: name_list |> Enum.map(& "Hello, #{&1}")
  # definject hello(name, _opts) when is_binary(name), do: "Hello, #{name}"

  def hello(who, opts \\ [])
  def hello(name_list, _opts) when is_list(name_list), do: name_list |> Enum.map(& "Hello, #{&1}")
  def hello(name, _opts) when is_binary(name), do: "Hello, #{name}"
end