Type Alias r2r_rcl::rmw_event_callback_t

source ·
pub type rmw_event_callback_t = Option<unsafe extern "C" fn(user_data: *const c_void, number_of_events: usize)>;

Aliased Type§

enum rmw_event_callback_t {
    None,
    Some(unsafe extern "C" fn(_: *const c_void, _: usize)),
}

Variants§

§1.0.0

None

No value.

§1.0.0

Some(unsafe extern "C" fn(_: *const c_void, _: usize))

Some value of type T.