WithAdapter creates a new Logger.

DebugLevel level is usually enabled only when debugging (disabled in production).

ErrorLevel is used for errors that should definitely be noted.

InfoLevel is used for informational messages, for confirmation that the program is working as expected.

WarnLevel is used for non-critical entries that deserve eyes.

Entry is a logging entry created by logger and passed to adapter.

Field contains key-value pair.

Global is a logger shared globally.

Logger is an immutable logger to log messages or create new loggers with fields or error.

Adapter is an interface to be implemented by logger adapters.

Level is a severity level of message.