logger

type Entry struct {
	Level   Level
	Message string
	Time    time.Time
	Fields  Fields
}

type Fields map[string]interface{}

type Level int

type Logger interface {
	WithOutlet(outlet Outlet, level Level) Logger
	ReplaceField(field string, val interface{}) Logger
	WithField(field string, val interface{}) Logger
	WithFields(fields Fields) Logger
	WithError(err error) Logger
	Debug(msg string)
	Info(msg string)
	Warn(msg string)
	Error(msg string)
	Printf(format string, args ...interface{})
}

type Outlet interface {
	// Write the entry to the destination.
	//
	// Logger waits for all outlets to return from WriteEntry() before returning from the log call.
	// An implementation of Outlet must assert that it does not block in WriteEntry.
	// Otherwise, it will slow down the program.
	//
	// Note: os.Stderr is also used by logger.Logger for reporting errors returned by outlets
	//       => you probably don't want to log there
	WriteEntry(entry Entry) error
}

type Outlets struct {
	// contains filtered or unexported fields
}