use std::sync::Once;
use tracing::Level;
use tracing_subscriber::FmtSubscriber;
static START: Once = Once::new();
pub fn setup() {
START.call_once(|| {
let subscriber = FmtSubscriber::builder()
.with_max_level(Level::DEBUG)
.finish();
tracing::subscriber::set_global_default(subscriber)
.expect("setting default subscriber failed");
});
}