{"id":"gof-visitor-accumulates-state","text":"Visitor objects can accumulate state as they traverse an object structure (e.g., PricingVisitor accumulates total cost), avoiding the need for global variables or extra parameters.","truth_value":"IN","source":"entries/2026/06/17/gof-oo-chunk-21.md","source_url":"","source_hash":"","justifications":[],"dependents":["visitor-accumulates-across-structures","visitor-accumulation-validates-traversal-action-orthogonality"],"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-accumulates-state","truth_value":"IN","reason":"premise"}]}}