addrbook.go
func (a *AddrBook) OnStart() error {
	a.BaseService.OnStart()
	a.loadFromFile(a.filePath)
	a.wg.Add(1)
	go a.saveRoutine()
	return nil
}
func (a *AddrBook) OnStart() error {
	a.BaseService.OnStart()
	a.loadFromFile(a.filePath)
	a.wg.Add(1)
	go a.saveRoutine()
	return nil
}
func ( a * AddrBook ) OnStart ( ) error { a . BaseService . OnStart ( ) a . loadFromFile ( a . filePath ) a . wg . Add ( 1 ) go a . saveRoutine ( ) return nil }
// OnStart implements Service.
OnStart implements Service .