Tests, projects, and verified delivery

Turn a language feature into an isolated quiz, preserve attempt history, package source with a manifest, and never execute delivered project archives in the web process.

Acquire to open

Theory, examples, assessment, and private test answers stay inside the acquired repository copy.

Public source

Released under CC0 by the five-year publication rule.

(foldl (lambda [a b] (+ a b)) 0 [10 10 10 12])