withCompressionStream(appendingTo:flags:threadCount:_:)
Reopens a compression sequential output stream and calls the given closure.
Declaration
static func withCompressionStream<E>(appendingTo compressedStream: ArchiveByteStream, flags: ArchiveFlags = [], threadCount: Int = 0, _ body: (ArchiveByteStream) throws -> E) throws -> EParameters
- compressedStream:
The output stream that the function reopens and receives the compressed data.
- flags:
Flags that control the behavior of the operation.
- threadCount:
The number of worker threads that the operation uses, set to
0for default. - body:
A closure with the archive byte stream passed as a parameter.
Return Value
The result of the closure.
Discussion
This function opens a stream created by compressionStream(appendingTo:flags:threadCount:), calls the specified closure, and closes the stream.