simple_msg.exs

simple_msg.exs

defmodule Spawn1 do
    def greet do
        receive do
            {sender, msg} ->
                send sender, { :ok, "Hello, #{msg}" }
                greet
        end
    end
end


pid = spawn(Spawn1, :greet, [])
send pid, {self, "World!"}
receive do
    { :ok, message} ->
        IO.puts message
end

send pid, {self, "Kermit!"}
receive do
    { :ok, message} ->
        IO.puts message
    after 500 ->
        IO.puts "The greeter has gone away"
end