Method caller

event.go:866–874

(skip int)

}

func (e *Event) caller(skip int) *Event {
	if e == nil {
		return e
	}
	if pc, file, line, ok := runtime.Caller(skip + e.skipFrame); ok {
		e.buf = enc.AppendString(enc.AppendKey(e.buf, CallerFieldName), CallerMarshalFunc(pc, file, line))
	}
	return e
}

// IPAddr adds the field key with ip as a net.IP IPv4 or IPv6 Address to the event
func (e *Event) IPAddr(key string, ip net.IP) *Event {