#[macro_use]
extern crate log;
fn main() {
let mut clog = colog::default_builder();
clog.filter(None, log::LevelFilter::Warn);
clog.init();
error!("error message");
error!("error with fmt: {}", 42);
warn!("warn message");
info!("info message");
debug!("debug message");
trace!("trace message");
}