Type Alias nn_dqueue_callback_t

pub type nn_dqueue_callback_t = Option<unsafe extern "C" fn(arg: *mut c_void)>;

Aliased Type

enum nn_dqueue_callback_t {
    None,
    Some(unsafe extern "C" fn(_: *mut c_void)),
}

Variants

None

No value.

Some(unsafe extern "C" fn(_: *mut c_void))

Some value of type T.