store/mongo.go
func (ms *MongoStore) ReadAll() ([]string, error) {
	var (
		item   _Dirties
		result []string
		err    error
	)

	ms.c(func(c *mgo.Collection) {
		iter := c.Find(nil).Select(bson.M{"_id": 0}).Sort("Value").Iter()
		for iter.Next(&item) {
			result = append(result, item.Value)
		}
		err = iter.Err()
	})

	if err != nil {
		return nil, err
	}

	return result, nil
}
func (ms *MongoStore) ReadAll() ([]string, error) {
	var (
		item   _Dirties
		result []string
		err    error
	)

	ms.c(func(c *mgo.Collection) {
		iter := c.Find(nil).Select(bson.M{"_id": 0}).Sort("Value").Iter()
		for iter.Next(&item) {
			result = append(result, item.Value)
		}
		err = iter.Err()
	})

	if err != nil {
		return nil, err
	}

	return result, nil
}
// ReadAll ReadAll