NewLogrus instantiates a new Logrus logger.

NewLogrusFromEntry instantiates a new Logrus logger.

NewNull instantiates a new Null logger.

NewZap instantiates a new Zap logger.

NewZapFromLogger instantiates a new Zap logger.

Logrus uses github.com/sirupsen/logrus to log messages.

Null is a logger that doesn't do anything.

Zap uses go.uber.org/zap to log messages.