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Elixir is a dynamic, functional programming language that runs on the Erlang virtual machine (BEAM), the same battle-tested runtime that powers WhatsApp's billion-user messaging infrastructure and Discord's real-time voice platform. This book takes you from your first Elixir program to building production-grade distributed systems. You will learn the language's core syntax and data types, master functional programming patterns, understand the BEAM virtual machine's legendary concurrency model, build fault-tolerant applications with OTP supervision trees, wield powerful metaprogramming macros, deploy scalable web applications with Phoenix and LiveView, and navigate the complete Elixir toolchain from Mix to Hex to Dialyzer. Whether you are a beginner discovering functional programming for the first time or an experienced developer seeking deep expertise in concurrent software architecture, this book provides the knowledge, practical examples, and real-world insights you need to write software that scales gracefully and survives failure.

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Kick off your book project, get started with GhostAI, get better at marketing, or spend the day doing all three! Free live workshops on Zoom. Saturday, June 27, 2026.

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