{"id":"gof-visitor-three-traversal-options","text":"There are three options for who controls traversal in the Visitor pattern: the object structure itself (most common), the visitor (for complex or irregular traversals), or a separate iterator object.","truth_value":"IN","source":"entries/2026/06/17/gof-oo-chunk-21.md","source_url":"","source_hash":"","justifications":[],"dependents":["visitor-traversal-flexibility-completes-iterator-concerns"],"metadata":{"last_premise_reviewed":"2026-06-17T18:19:22","premise_review_result":"pass"},"created_at":"2026-06-17T21:30:27+00:00","updated_at":"2026-06-17T21:30:27+00:00","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"gof-visitor-three-traversal-options","truth_value":"IN","reason":"premise"}]}}