[修改]区段、Link、运营方向/位置之间互相转换的函数的bug

repository/turnout.go

@@ -44,6 +44,10 @@ type Turnout struct {
 	componentGroups []*ElectronicComponentGroup
 }
 
+func (t *Turnout) Km() *proto.Kilometer {
+	return t.km
+}
+
 func NewTurnout(id string, km *proto.Kilometer, switchMachineType proto.Turnout_SwitchMachineType) *Turnout {
 	return &Turnout{
 		Identity:          identity{id, proto.DeviceType_DeviceType_Turnout},