Streams: export iteration API.

src/t_stream.c

@@ -196,25 +196,6 @@ int streamAppendItem(stream *s, robj **argv, int numfields, streamID *added_id,
     return C_OK;
 }
 
-/* We define an iterator to iterate stream items in an abstract way, without
- * caring about the radix tree + listpack representation. Technically speaking
- * the iterator is only used inside streamReplyWithRange(), so could just
- * be implemented inside the function, but practically there is the AOF
- * rewriting code that also needs to iterate the stream to emit the XADD
- * commands. */
-typedef struct streamIterator {
-    uint64_t start_key[2];  /* Start key as 128 bit big endian. */
-    uint64_t end_key[2];    /* End key as 128 bit big endian. */
-    raxIterator ri;         /* Rax iterator. */
-    unsigned char *lp;      /* Current listpack. */
-    unsigned char *lp_ele;  /* Current listpack cursor. */
-    /* Buffers used to hold the string of lpGet() when the element is
-     * integer encoded, so that there is no string representation of the
-     * element inside the listpack itself. */
-    unsigned char field_buf[LP_INTBUF_SIZE];
-    unsigned char value_buf[LP_INTBUF_SIZE];
-} streamIterator;
-
 /* Initialize the stream iterator, so that we can call iterating functions
  * to get the next items. This requires a corresponding streamIteratorStop()
  * at the end.