Function update_log_level 

pub fn update_log_level<S: LevelInto>(level: S) -> SimpleResult<LogConfig>

update simple-log global config log level.

Examples

fn main() -> Result<(), String> {
    use simple_log::{LogConfigBuilder, update_log_level};
    let config = LogConfigBuilder::builder()
        .path("./log/builder_log.log")
        .size(1 * 64)
       .roll_count(10)
       .level("debug")?
       .output_file()
       .output_console()
       .build();
    simple_log::new(config)?;

    //update log level
    let config = update_log_level(log::Level::Debug)?;
    assert_eq!("DEBUG",config.get_level());
    Ok(())
}