{"id":"cursor-reveals-srp-within-traversal-concern","text":"The Cursor variant (where the aggregate controls traversal and the iterator merely stores position) combined with traversal-action orthogonality reveals two levels of responsibility separation within iteration: the traversal concern itself decomposes into algorithm and position state (cursor vs. full iterator), while traversal and action separate orthogonally (iterator from visitor) — demonstrating SRP applied recursively within the pattern's own design.","truth_value":"IN","source":"","source_url":"","source_hash":"","justifications":[{"type":"SL","antecedents":["cursor-aggregate-controls-traversal","traversal-and-action-orthogonal-concerns"],"outlist":[],"label":"Iterator's internal decomposition applies SRP at two nested levels within a single pattern"}],"dependents":[],"metadata":{"source_type":"derived","review_result":"insufficient"},"created_at":"2026-06-18T02:11:31+00:00","updated_at":"2026-06-18T06:15:08+00:00","reviewed_at":"2026-06-18T06:15:08+00:00","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"cursor-reveals-srp-within-traversal-concern","truth_value":"IN","reason":"SL justification valid","antecedents":["cursor-aggregate-controls-traversal","traversal-and-action-orthogonal-concerns"],"label":"Iterator's internal decomposition applies SRP at two nested levels within a single pattern"},{"node":"cursor-aggregate-controls-traversal","truth_value":"IN","reason":"premise"},{"node":"traversal-and-action-orthogonal-concerns","truth_value":"IN","reason":"premise"}]}}