dev_util 0.1.2

Some development tools
Documentation 
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pub fn log_init() {
    log_init_with_level(Level::INFO);
}

pub enum Level {
    TRACE,
    DEBUG,
    INFO,
    WARN,
    ERROR,
}

pub fn log_init_with_level(level: Level) {
    struct LocalTimer;
    impl tracing_subscriber::fmt::time::FormatTime for LocalTimer {
        fn format_time(
            &self,
            w: &mut tracing_subscriber::fmt::format::Writer<'_>,
        ) -> std::fmt::Result {
            write!(w, "{}", chrono::Local::now().format("%F %T%.3f"))
        }
    }
    let format = tracing_subscriber::fmt::format()
        .with_level(true)
        .with_target(true)
        .with_line_number(true)
        .with_thread_ids(true)
        .with_thread_names(false)
        .with_timer(LocalTimer);

    let log_level = match level {
        Level::TRACE => tracing::Level::TRACE,
        Level::DEBUG => tracing::Level::DEBUG,
        Level::INFO => tracing::Level::INFO,
        Level::WARN => tracing::Level::WARN,
        Level::ERROR => tracing::Level::ERROR,
    };

    match tracing_subscriber::fmt()
        .with_max_level(log_level)
        .with_writer(std::io::stdout)
        .with_ansi(true)
        .event_format(format)
        .try_init()
    {
        Ok(_) => {}
        Err(_) => {}
    };
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn test_log_init() {
        log::info!("log is't initialized, you can't see me");
        log_init();
        log::info!("log is initialized");
    }

    #[test]
    fn test_log_init_with_level() {
        log::info!("log is't initialized, you can't see me");
        log_init_with_level(Level::TRACE);
        log::info!("log is initialized");
    }
}