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Note in the docs that the zero value for fold and friends must be immutable #24971

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Jeffrey Chung 2018-06-19 06:33:49 -04:00 • committed by Johan Andrén
parent 8ea9f9f32b
commit 72bd3cdfd4
10 changed files with 63 additions and 16 deletions
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8
akka-stream/src/main/scala/akka/stream/javadsl/SubSource.scala
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@ -447,6 +447,8 @@ class SubSource[Out, Mat](delegate: scaladsl.SubFlow[Out, Mat, scaladsl.Source[O
*
* Adheres to the [[ActorAttributes.SupervisionStrategy]] attribute.
*
* Note that the `zero` value must be immutable.
*
* '''Emits when''' the function scanning the element returns a new element
*
* '''Backpressures when''' downstream backpressures
@ -474,6 +476,8 @@ class SubSource[Out, Mat](delegate: scaladsl.SubFlow[Out, Mat, scaladsl.Source[O
*
* Adheres to the [[ActorAttributes.SupervisionStrategy]] attribute.
*
* Note that the `zero` value must be immutable.
*
* '''Emits when''' the future returned by f` completes
*
* '''Backpressures when''' downstream backpressures
@ -498,6 +502,8 @@ class SubSource[Out, Mat](delegate: scaladsl.SubFlow[Out, Mat, scaladsl.Source[O
* [[akka.stream.Supervision#restart]] current value starts at `zero` again
* the stream will continue.
*
* Note that the `zero` value must be immutable.
*
* '''Emits when''' upstream completes
*
* '''Backpressures when''' downstream backpressures
@ -518,6 +524,8 @@ class SubSource[Out, Mat](delegate: scaladsl.SubFlow[Out, Mat, scaladsl.Source[O
* [[akka.stream.Supervision.Restart]] current value starts at `zero` again
* the stream will continue.
*
* Note that the `zero` value must be immutable.
*
* '''Emits when''' upstream completes
*
* '''Backpressures when''' downstream backpressures