Debug package-level convenience method.

Debugf package-level convenience method.

Debugln package-level convenience method.

Error package-level convenience method.

Errorf package-level convenience method.

Errorln package-level convenience method.

Fatal package-level convenience method.

Fatalf package-level convenience method.

Fatalln package-level convenience method.

Info package-level convenience method.

Infof package-level convenience method.

Infoln package-level convenience method.

Panic package-level convenience method.

Panicf package-level convenience method.

Panicln package-level convenience method.

Print package-level convenience method.

Printf package-level convenience method.

Println package-level convenience method.

Warn package-level convenience method.

Warnf package-level convenience method.

Warning package-level convenience method.

Warningf package-level convenience method.

Warningln package-level convenience method.

Warnln package-level convenience method.

Logger defines a set of methods for writing application logs.