show_events/show-events.rs
use futures::StreamExt;
use std::env::args;
use wtr_watcher::Watch;
#[tokio::main(flavor = "current_thread")]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
let path = args().nth(1).unwrap_or_else(|| ".".to_string());
let show = |e| async move { println!("{e:?}") };
let events = Watch::try_new(&path)?;
events.for_each(show).await;
Ok(())
}