func (b *Base) Warningf(msg string, a ...interface{}) error {
	return b.Log(LevelWarning, nil, msg, a...)
}
func (b *Base) Warningf(msg string, a ...interface{}) error {
	return b.Log(LevelWarning, nil, msg, a...)
}
func ( b * Base ) Warningf ( msg string , a ... interface { } ) error { return b . Log ( LevelWarning , nil , msg , a ... ) }
/*
Warningf uses msg as a format string with subsequent parameters as values and logs
the resulting message to all added loggers at LogLevel.LevelWarning
*/
/ * Warningf uses msg as a format string with subsequent parameters as values and logs the resulting message to all added loggers at LogLevel . LevelWarning