func Errorf(format string, args ...interface{}) {
	if Logger != nil {
		Logger.Errorf(format, args...)
	}
}
// Errorf calls Errorf with the Logger registered using RegisterLogger.
// If no logger has been registered, then this function is a no-op.
Errorf calls Errorf with the Logger registered using RegisterLogger.
If no logger has been registered, then this function is a no-op.
// Errorf calls Errorf with the Logger registered using RegisterLogger . // If no logger has been registered then this function is a no - op .
func Errorf(format string, args ...interface{}) {
	if Logger != nil {
		Logger.Errorf(format, args...)
	}
}
func Errorf ( format string , args ... interface { } ) { if Logger != nil { Logger . Errorf ( format , args ... ) } }
Errorf calls Errorf with the Logger registered using RegisterLogger.
Errorf calls Errorf with the Logger registered using RegisterLogger .