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nros rmw-cffi
C vtable for plugging a third-party RMW backend into nros
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#include <rmw_event.h>

Data Fields | |
| rmw_count_status_t | count |
| rmw_liveliness_changed_status_t | liveliness_changed |
Borrow-shaped union the backend supplies to the registered callback. The kind argument selects which member is valid.
| rmw_count_status_t rmw_event_payload_t::count |
| rmw_liveliness_changed_status_t rmw_event_payload_t::liveliness_changed |