object WireTap
Fan-out the stream to two output streams - a 'main' and a 'tap' one. Each incoming element is emitted to the 'main' output; elements are also emitted to the 'tap' output if there is demand; otherwise they are dropped.
Emits when element is available and demand exists from the 'main' output; the element will also be sent to the 'tap' output if there is demand.
Backpressures when the 'main' output backpressures
Completes when upstream completes
Cancels when the 'main' output cancels
- Source
- Graph.scala
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- def create[T](): Graph[FanOutShape2[T, T, T], NotUsed]
Create a new
WireTapoperator with the specified output type. - final def eq(arg0: AnyRef): Boolean
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