package log import ( "os" ) func Example() { SetOutput(os.Stdout) SetLevel(WarningLevel) SetDate(false) SetColor(false) Debug("some debug number: %d\n", 10) Info("some info number: %d\n", 20) Warning("some warning number: %d\n", 30) Error("some error number: %d\n", 40) // Output: // [WARN] some warning number: 30 // [ERRO] some error number: 40 }