Scala 如何从源[ByteString,Any]akka流具体化2个参数
所以我可以从源代码[ByteString,Any]具体化inputStream和Feature[ByteString]Scala 如何从源[ByteString,Any]akka流具体化2个参数,scala,akka-stream,Scala,Akka Stream,所以我可以从源代码[ByteString,Any]具体化inputStream和Feature[ByteString] val bs = fileStream.runWith(Sink.head) val is = fileStream.runWith(StreamConverters.asInputStream()) 我怎样才能用一次操作得到它?这就是你要找的吗 val bs:(Future[ByteString],InputStream)=Source.empty[ByteString]
val bs = fileStream.runWith(Sink.head)
val is = fileStream.runWith(StreamConverters.asInputStream())
我怎样才能用一次操作得到它?这就是你要找的吗
val bs:(Future[ByteString],InputStream)=Source.empty[ByteString]
.Alsomat(沉头)(保持右侧)
.toMat(StreamConverters.asInputStream())(Keep.both)
.run()
任何
通常都是不好的症状