报告生成器 一个简单的模块,用于通过尾调用优化的递归来计算列表的大小。 指令 $ mix deps.get $ mix credo gen.config $ mix credo $ mix credo --strict > " Foo " <> " bar " " Foobar " > [ 1 , 2 , 3 ] ++ [ 2 , 3 , 4 ] [ 1 , 2 , 3 , 2 , 3 , 4 ] > Enum . reduce ([ 1 , 2 , 3 , 4 ], 0 , fn element, accumulator -> element + accumulator end ) 10 > Enum . reduce ([ 1 , 2 , 3 , 4 ], %{}, fn element, accumulator -> IO . inspect (element); IO . ins