{"id":"maps-no-exceptions-none-returns","text":"`map_routing.py` raises no exceptions; all failures (missing nodes, unreachable destinations, unknown geocode names) return `None` or empty collections.","truth_value":"IN","source":"entries/2026/06/05/google-maps-map_routing.md","source_url":"","source_hash":"","justifications":[],"dependents":["none-return-collapses-distinct-failure-modes"],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"maps-no-exceptions-none-returns","truth_value":"IN","reason":"premise"}]}}