Module subscription 

Module containing subscription-related functionality.

This module provides the necessary types and functions to create and manage subscriptions to Lightstreamer items. It includes the Subscription struct, subscription modes, item updates, and subscription listeners.

Structs

ItemUpdate

Contains all the information related to an update of the field values for an item. It reports all the new values of the fields.

Subscription

Struct representing a Subscription to be submitted to a Lightstreamer Server. It contains subscription details and the listeners needed to process the real-time data.

Enums

Snapshot

Enum representing the snapshot delivery preferences to be requested to Lightstreamer Server for the items in the Subscription.

SubscriptionMode

Enum representing the subscription mode.

Traits

SubscriptionListener

Interface to be implemented to listen to Subscription events comprehending notifications of subscription/unsubscription, updates, errors and others.