{"id":"preorder-iterator-stack-of-iterators","text":"PreorderIterator maintains a stack of glyph-specific iterators (not a stack of glyphs); each level of the composite tree produces its own iterator via CreateIterator(), and the PreorderIterator coordinates traversal across them.","truth_value":"IN","source":"entries/2026/06/17/gof-oo-chunk-6.md","source_url":"","source_hash":"","justifications":[],"dependents":["preorder-iterator-validates-factory-method-recursive-infrastructure"],"metadata":{"last_premise_reviewed":"2026-06-17T18:19:22","premise_review_result":"pass"},"created_at":"2026-06-17T21:30:28+00:00","updated_at":"2026-06-17T21:30:28+00:00","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"preorder-iterator-stack-of-iterators","truth_value":"IN","reason":"premise"}]}}