Elixir递归和接收
示例
递归可用于接收多条消息
defmodule Processes do
def receiver do
receive do
{:ok, val} ->
IO.puts"Received Value: #{val}"
_ ->
IO.puts"Received something else"
end
receiver
end
endiex(1)> pid = spawn Processes, :receiver, []
#PID<0.95.0>
iex(2)> send pid, {:ok, 10}
Received Value: 10
{:ok, 10}
iex(3)> send pid, {:ok, 42}
{:ok, 42}
Received Value: 42
iex(4)> send pid, :random
:random
Received something elseElixir将使用尾部调用递归优化，只要函数调用是函数中最后发生的事情（如示例中所示）。
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