| void IceStorm::TopicPrx::unsubscribe | ( | const std::optional< Ice::ObjectPrx > & | subscriber, | 
| const Ice::Context & | context = Ice::noExplicitContext ) const | 
Unsubscribes the provided subscriber from this topic. 
| subscriber | A proxy to an existing subscriber. This proxy is never null. | 
| context | The request context. |