flexi_logger 0.31.8

An easy-to-configure and flexible logger that writes logs to stderr or stdout 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 
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use flexi_logger::Logger;
use log::*;

#[test]
fn test_mods() {
    Logger::try_with_str("trace")
        .unwrap()
        .log_to_stdout()
        .start()
        .unwrap_or_else(|e| panic!("Logger initialization failed with {e}"));

    error!("This is an error message");
    warn!("This is a warning");
    info!("This is an info message");
    debug!("This is a debug message");
    trace!("This is a trace message");
}