Support streams in general module API functions

Fixes GitHub issue #6492
Added stream support in RM_KeyType and RM_ValueLength.
Also moduleDelKeyIfEmpty was updated, even though it has
no effect now (It will be relevant when stream type direct
API will be coded - i.e. RM_StreamAdd)

1 files changed, 1 insertions, 0 deletions

diff --git a/src/stream.h b/src/stream.h
index 1163b3527..7de769ba1 100644
--- a/src/stream.h
+++ b/src/stream.h
@@ -98,6 +98,7 @@ struct client;
 
 stream *streamNew(void);
 void freeStream(stream *s);
+unsigned long streamLength(const robj *subject);
 size_t streamReplyWithRange(client *c, stream *s, streamID *start, streamID *end, size_t count, int rev, streamCG *group, streamConsumer *consumer, int flags, streamPropInfo *spi);
 void streamIteratorStart(streamIterator *si, stream *s, streamID *start, streamID *end, int rev);
 int streamIteratorGetID(streamIterator *si, streamID *id, int64_t *numfields);