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Message Passing
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== Example == Consider the following example: ```elixir defmodule Example do def start do pid = spawn(fn -> loop() end) send(pid, "Hello, Elixir!") end def loop do receive do message -> IO.puts("Received message: #{message}") end end end ``` In this example, the `start` function spawns a new process that executes the `loop` function. The `loop` function waits for incoming messages using the `receive` block. Once a message arrives, it is pattern-matched to the `message` variable and printed using `IO.puts`. When the `start` function is called, it spawns a process and sends the message "Hello, Elixir!" to it. The spawned process then receives the message and prints it.
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