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Checkpoint: Ownership

intermediate22 min readLesson 96 of 148

Prove you can build a structure whose ownership story survives pushes, pops, peeks, and double destroys.

What you just proved

  • Allocation-failure contracts that never leave a half-built state.
  • The realloc temp-pointer discipline, amortized doubling.
  • Ownership transfer (store/take/release) as explicit API vocabulary.
  • A structure that frees every byte exactly once on every path.

Next module: functions as data — pointers to code, and the designs they unlock.