v3 Capstone: Full Pipeline Checkpoint

Predict fresh artifacts, diagnose a broken invariant, and test a version boundary. Select one answer per multiple-choice question; numeric responses use the stated integer format. Use review links to revisit the relevant representation, then attempt the independent transfer task.


Get every question correct to pass this checkpoint. You can review feedback, revise your answers, and submit again.

1. A factory starts n=6 and returns next(), which increments n and returns it. Two calls through one returned closure populate an array. What is its second element? Enter only the requested integer.
2. What should BC2 preserve for a nested function instead of serializing a live Go Env pointer?

Select one answer.

3. Which otherwise well-named v3 operation can reach the VM and fail there?

Select one answer.

4. Running the same counter program twice through CompileAndRun should do what?

Select one answer.

5. Does a successful end-to-end counter program alone establish collector correctness?

Select one answer.

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