src/vendor/env_logger/examples/default.rs

   1 /*!
   2 Using `env_logger`.
   3
   4 Before running this example, try setting the `MY_LOG_LEVEL` environment variable to `info`:
   5
   6 ```no_run,shell
   7 $ export MY_LOG_LEVEL='info'
   8 ```
   9
  10 Also try setting the `MY_LOG_STYLE` environment variable to `never` to disable colors
  11 or `auto` to enable them:
  12
  13 ```no_run,shell
  14 $ export MY_LOG_STYLE=never
  15 ```
  16 */
  17
  18 #[macro_use]
  19 extern crate log;
  20 extern crate env_logger;
  21
  22 fn main() {
  23     env_logger::init_from_env("MY_LOG_LEVEL");
  24
  25     trace!("some trace log");
  26     debug!("some debug log");
  27     info!("some information log");
  28     warn!("some warning log");
  29     error!("some error log");
  30 }