Function interval_stream_ns_with_priority 

pub fn interval_stream_ns_with_priority(
    priority: Priority,
    value: u64,
) -> Pin<Box<dyn Stream<Item = ()> + Send + 'static>>

Available on crate feature v2_90 only.

Create a Stream that will provide a value every given number of nanoseconds.

The Stream must be spawned on an Executor backed by a glib::MainContext.