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Functional Web Development with Elixir, OTP and Phoenix

A Functional State Machine for Islands

Explore how to build a functional state machine in Elixir by defining a module and function that manage state and events through a whitelist approach. Understand how to represent states and transitions with minimal code, enabling flexible and efficient state management for your application.

We'll cover the following...

:gen_statem

Many language ecosystems provide ready-made state machine packages that we can customize to fit our own applications. Elixir is no exception to this since OTPOpen Telecom Platform (a collection of useful middleware, libraries, and tools written in the Erlang programming language) has a built-in finitmicre state machine called :gen_statem ...