Lucas WintherandClaude Opus 5.5 820b378929 feat: undo in Module 9 and stackAt from Module 8; Lesson 8 quote matches the reference ...

Baba.undo() restores the level before the last step or move (board snapshot:
objects in age order with ids, the id counter, and won; rules recompiled).
place clears the history. SpellGrid's undo throws/panics 'not supported'.
stackAt / stack_at lists a tile's kinds oldest first, on Baba and SpellGrid.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

2026-11-11 11:20:03 +01:00

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rust

feat: undo in Module 9 and stackAt from Module 8; Lesson 8 quote matches the reference

2026-11-11 11:20:03 +01:00

ts

feat: undo in Module 9 and stackAt from Module 8; Lesson 8 quote matches the reference

2026-11-11 11:20:03 +01:00