flexi_logger 0.18.0

An easy-to-configure and flexible logger that writes logs to stderr and/or to files. It allows custom logline formats, and it allows changing the log specification at runtime. It also allows defining additional log streams, e.g. for alert or security messages.

Documentation

use flexi_logger::Logger;
use log::*;

#[test]
fn you_must_not_see_anything() {
    Logger::try_with_str("trace")
        .unwrap()
        .do_not_log()
        .start()
        .unwrap();

    error!("This is an error message - you must not see it!");
    warn!("This is a warning - you must not see it!");
    info!("This is an info message - you must not see it!");
    debug!("This is a debug message - you must not see it!");
    trace!("This is a trace message - you must not see it!");
}