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docs: Add PublishSubject description to README #720

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docs: Add PublishSubject description to README #720

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docs: Add PublishSubject description to README
JosteveGit Apr 30, 2023
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changed 'data' to 'values'
JosteveGit Apr 30, 2023
a21a484
update: changed 'two' to 'three' in the readme subjects description
JosteveGit May 10, 2023
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4 changes: 3 additions & 1 deletion README.md
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Expand Up @@ -187,10 +187,12 @@ Stream.fromIterable([1, 2, 3])

### Subjects

Dart provides the [StreamController](https://api.dart.dev/stable/dart-async/StreamController-class.html) class to create and manage a Stream. RxDart offers two additional StreamControllers with additional capabilities, known as Subjects:
Dart provides the [StreamController](https://api.dart.dev/stable/dart-async/StreamController-class.html) class to create and manage a Stream. RxDart offers three additional StreamControllers with additional capabilities, known as Subjects:

- [BehaviorSubject](https://pub.dev/documentation/rxdart/latest/rx/BehaviorSubject-class.html) - A broadcast StreamController that caches the latest added value or error. When a new listener subscribes to the Stream, the latest value or error will be emitted to the listener. Furthermore, you can synchronously read the last emitted value.
- [ReplaySubject](https://pub.dev/documentation/rxdart/latest/rx/ReplaySubject-class.html) - A broadcast StreamController that caches the added values. When a new listener subscribes to the Stream, the cached values will be emitted to the listener.
- [PublishSubject](https://pub.dev/documentation/rxdart/latest/rx/PublishSubject-class.html) - A broadcast StreamController that emits values only to active listeners. When a new listener subscribes to the Stream, it will only receive values added to the PublishSubject after the subscription. Previous values added to the PublishSubject before the subscription will not be emitted to the new listener.


## Rx Observables vs Dart Streams

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