com.industry.rx_epl.LoggingSubscriber <>
A specialised instance of a Subscriber which logs all values and completion, error, and unsubscription.
Note: Subscribers should not be reused for multiple subscriptions.
# static .create(identifier:
string) returns Subscriber <>
Creates a new LoggingSubscriber. The identifier
is added to all messages produced.
Observable.fromValues([1,2,3])
.subscribe(LoggingSubscriber.create("Output"));
// Output in the log file:
// # Output: Received value: 1
// # Output: Received value: 2
// # Output: Received value: 3
// # Output: Completed
// # Output: Unsubscribed