I'm porting lzma-enumerator over to conduits and I've run into a snag.
The output chunks from lzma can be quite large, so I'd like to stream
the results out in smaller chunks instead of tens (or hundreds) of
megabytes at a time. It seems as though this should be possible, as it
is with enumeratees, but I can't see how. Is there a way to get this
working without unsafeInterleaveIO?