35 lines
866 B
Rust
35 lines
866 B
Rust
|
use std::time::Duration;
|
||
|
|
|
||
|
|
use indicatif::ProgressBar;
|
||
|
|
use tokio::runtime;
|
||
|
|
use tokio::time::interval;
|
||
|
|
|
||
|
|
fn main() {
|
||
|
|
// Plain progress bar, totaling 1024 steps.
|
||
|
|
let steps = 1024;
|
||
|
|
let pb = ProgressBar::new(steps);
|
||
|
|
|
||
|
|
// Stream of events, triggering every 5ms.
|
||
|
|
let rt = runtime::Builder::new_current_thread()
|
||
|
|
.enable_time()
|
||
|
|
.build()
|
||
|
|
.expect("failed to create runtime");
|
||
|
|
|
||
|
|
// Future computation which runs for `steps` interval events,
|
||
|
|
// incrementing one step of the progress bar each time.
|
||
|
|
let future = async {
|
||
|
|
let mut intv = interval(Duration::from_millis(5));
|
||
|
|
|
||
|
|
for _ in 0..steps {
|
||
|
|
intv.tick().await;
|
||
|
|
pb.inc(1);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
// Drive the future to completion, blocking until done.
|
||
|
|
rt.block_on(future);
|
||
|
|
|
||
|
|
// Mark the progress bar as finished.
|
||
|
|
pb.finish();
|
||
|
|
}
|