Learn Elixir by Building a Real Time CLI Chat App (Part 4)
summary
Builds a fully distributed CLI chat app using Elixir core libraries and demonstrates it actually running: project scaffolded with mix new, dependencies from hex, processes supervised in a GenServer behavior architecture, and state stored in an Agent-backed tally. Shows a concurrent word counter that splits War and Peace into 500-line chunks, spawns thousands of tasks writing to the agent, compiles with mix, exposes handle_call/handle_cast semantics, and notes encoding gotchas while the example completes successfully.
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