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Elixir offers multiple focused data types—atoms, tuples, lists, and maps—each optimized for specific use cases. Atoms encode semantic meaning, tuples represent fixed structures, lists enable sequential processing, and maps provide key-based access. Choosing the right data shape isn't just about performance; it communicates intent, makes code more maintainable, and prevents misuse. The structure you pick determines how naturally your code reads and evolves.

Learning Elixir? Data Shape Is a Design Decision

A squad for Elixir developers to come together and discuss with each other, ask and answer questions about Elixir.
Do also checkout the other BEAM related squads for Gleam and Erlang!