use pbr::ProgressBar;
use rand::prelude::*;
use std::thread;
use std::time::Duration;
fn main() {
let count = 500;
let mut pb = ProgressBar::new(count);
pb.format("╢▌▌░╟");
for _ in 0..count {
pb.inc();
let n = thread_rng().gen_range(0..100);
thread::sleep(Duration::from_millis(n));
}
pb.finish_println("done!");
}