use kv_log_macro as log; use std::time::Instant; fn main() { cj_femme::with_level(cj_femme::LevelFilter::Trace); let start = Instant::now(); for n in 0..1_000_000 { log::info!("logging no. {}", n); } eprintln!("time elapsed: {:?}", Instant::now().duration_since(start)); }