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Marcus Olsson Add missing comments 65599cf Mar 12, 2016
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package tracking
import (
type loggingService struct {
logger log.Logger
// NewLoggingService returns a new instance of a logging Service.
func NewLoggingService(logger log.Logger, s Service) Service {
return &loggingService{logger, s}
func (s *loggingService) Track(id string) (c Cargo, err error) {
defer func(begin time.Time) {
s.logger.Log("method", "track", "tracking_id", id, "took", time.Since(begin), "err", err)
return s.Service.Track(id)
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