- Companion:
- object
Value members
Concrete methods
Inherited methods
Sequently concat two streams
Sequently concat two streams
Stream(1,2,3) ++ Stream(4,5,6)
// 1,2,3,4,5,6
- Inherited from:
- Stream
Merges underlying streams to one line.
Merges underlying streams to one line.
Stream.eval(1, 2, 3) flatMapConcat { x =>
Stream.eval(x + "a", x + "b", x + "c")
}
// 1a,1b,1c,2a,2b,2c,3a,3b,3c
- Inherited from:
- Stream
Merges underlying streams concurrently.
Merges underlying streams concurrently.
- Value parameters:
- concurrency
number of concurrent underlying streams
Stream.eval(1, 2, 3) flatMapMerge(3) { x => Stream.eval(x + "a", x + "b", x + "c") } // 1a,2a,3a,1b,2b,3b,1c,2c,3c
- Inherited from:
- Stream
React on values of the stream keeping it the same. Useful when you want to track progress of downloading.
React on values of the stream keeping it the same. Useful when you want to track progress of downloading.
file
.over(0L) {
case (acc, chunk) =>
val loaded = chunk.fold(acc)(_.length.toLong + acc)
showProgress(loaded, file.bytesLength)
}
.to(s3bucket("my-large-file"))
- Inherited from:
- Stream
Sort elements of the stream between "racks".
Sort elements of the stream between "racks".
val List(girls, boys, queers) = persons.sort(3) {
case person if person.isFemale => 0
case person if person.isMale => 1
case person => 2
}
- Value parameters:
- f
Takes element of the stream return number of rack.
- numRacks
Number of racks.
- Returns:
List of streams appropriate to racks.
- Inherited from:
- Stream