Passing Messages

Learn how to initialize GenServers with the correct state.

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The simplest thing we can do with a GenServer is spawn a new server process and send it a message. We’ve just learned to spawn a new game server process and bind the resulting PID to a variable. Once we have that PID, we can use Kernel.send/2 to send it a message. Once we have the message passing down, we can customize behavior based on that message.

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Let’s see how this all works.

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