📜 WAYPOINT LESSON
Checkpoint — Build Reasoning
⭐ beginner⏳ 8 min read📍 Lesson 189 of 204
One graded challenge: reimplement the config contract so every static_assert in the test passes by construction.
What you must be able to do
Answer build questions from inside the code, with capability markers, so that a fixed-flags compile of your file proves the answers. This is the skill CI config, sanitizer-gated code paths, and versioned ABIs are all built on.