DistinctUniqueExtension<T>  extension 
 
Extends the Stream class with the ability to skip items that have previously been emitted.
- on
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          - Stream<T> 
 
- Stream<
Methods
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  distinctUnique({bool equals(T e1, T e2)?, int hashCode(T e)?}) → Stream< T> 
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      Available on Stream< WARNING: More commonly known as distinct in other Rx implementations. Creates a Stream where data events are skipped if they have already been emitted before.T> , provided by the DistinctUniqueExtension extension