1 2 3 4 5 6 7 8 9 10 11 12
use traceon::{info, instrument}; #[instrument] fn add(a: i32, b: i32) { info!("result: {}", a + b); } fn main() { traceon::builder().on(); let _guard = tracing::info_span!("math", package_name = env!("CARGO_PKG_NAME")).entered(); add(5, 10); }