ExpressionConverter 将Lisp的带括号的表达式转换为Elixir表达式。 ❯ iex - S mix Erlang / OTP 23 [erts - 11.1 . 7 ] [source] [ 64 - bit] [ smp: 8 : 8 ] [ ds: 8 : 8 : 10 ] [async - threads: 1 ] [hipe] Interactive Elixir ( 1.11 . 2 ) - press Ctrl + C to exit (type h ()