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Serialization Is the Secret

If a value mutates in the forest with no one to see it, does it really mutate?

If I call a function, it can do all kinds of side effects, but it will never be able to affect the values of the variables that are currently in scope for me. And callers, in order to interact with the counter, must call functions to send it a message, or to observe its changing state. Many of the benefits only even come into the picture when it’s time to scale, or to model graceful failure of our application components, and its those properties that I’ll be writing about next.

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