AssertOutput returns an error if output is not a valid logger output.

NewJournaldCore returns a zapcore.Core that sends log entries to systemd-journald and uses the given identifier as a prefix for structured logging context that is sent as journal fields.

NewLogger returns a new Logger.

NewLogging takes the name and log level for the default logger, output where log messages are written to, options having log levels for named child loggers and returns a new Logging.

NewLoggingFromConfig returns a new Logging from Config.

Config defines Logger configuration.

Logger wraps zap.SugaredLogger and allows to get the interval for periodic logging.

Logging implements access to a default logger and named child loggers.

Options define child loggers with their desired log level.