Elixir

1. Basic Types and Operators

   Integers, floats, atoms, strings, lists, tuples, and basic operators.

2. Pattern Matching

   The match operator, destructuring, and the pin operator.

3. Control Flow

   case, cond, if, unless, and guards.

4. Modules and Functions

   Named functions, function capture, default arguments, and recursion.

5. Maps, Keyword Lists, and Structs

   Keyword lists, maps, structs, and nested data access.

6. Enumerables and Streams

   Eager Enum functions, lazy Stream pipelines, and the Enumerable protocol.

7. Protocols and Behaviours

   Polymorphism via protocols and behaviours, and typespecs.

8. Processes

   Spawning processes, message passing, links, monitors, and Tasks.

9. GenServer and Supervisors (OTP)

   GenServer callbacks, supervision trees, fault tolerance, and the let-it-crash approach.

10. Errors and try/catch/rescue

    Raising and rescuing exceptions, throw/catch, exits, and error tuples.

11. Macros and Metaprogramming

    AST quoting, unquote, and writing macros.

12. Mix, Dependencies and Releases

    Creating projects with Mix, managing dependencies, config, and releases.

Each section links to the official page. Titles and summaries by Extra Credit; the docs belong to their authors.

Source: endoflife.date