Lessons
Elixir · Expert
Elixir · Expert. Ten lessons. Open-book quizzes. Lesson 1 free.
10 lessons · The Host · Lesson 1 free
Pass all ten lessons for the certificate. Sample · Claim

Lesson 1 · On the house
Task.async and await
Task.async/1, Task.await/2, timeouts, linking vs unsupervised.

Lesson 2
Task.Supervisor
start_child, async_nolink, structured task supervision.

Lesson 3
Behaviours
@behaviour, @callback, @impl true, dialyzer-friendly callbacks.

Lesson 4
Protocols
defprotocol, defimpl, Any, consolidation sketch.

Lesson 5
Typespecs
@spec, @type, @typedoc; basic Dialyzer intent.

Lesson 6
Application and env
Application.start, get_env/fetch_env!, config/runtime.

Lesson 7
GenServer timeouts and hibernate
handle_call timeout, {:noreply, state, timeout}, :hibernate.

Lesson 8
Distributed nodes
Node.connect, Node.list, :erpc.call / :rpc sketch, cookie caution.

Lesson 9
Telemetry
:telemetry.execute, attach_many, measurements/metadata.

Lesson 10
Expert capstone
Behaviour + GenServer impl + Task.Supervisor child starting work.
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Certificate
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