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Extensions for Flutter Projects
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| extension StreamEx<T> on Stream<T> { | |
| Stream<T> onlyNotify( | |
| bool Function(T? previousEvent, T currentEvent) test, | |
| ) async* { | |
| T? previousEvent; | |
| await for (final event in this) { | |
| if (test(previousEvent, event)) { | |
| yield event; | |
| } | |
| previousEvent = event; | |
| } | |
| } | |
| } |
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