Remove broken example

methane · methane · commit 24950990f4eb · 2020-02-06T20:29:33.000+09:00
diff --git a/README.md b/README.md
@@ -214,24 +214,6 @@ the result, or ignoring it. The latter two methods return the number of elements
 in the upcoming container, so that each element in an array, or key-value pair
 in a map, can be unpacked or skipped individually.
 
-Each of these methods may optionally write the packed data it reads to a
-callback function:
-
-```py
-    from io import BytesIO
-
-    def distribute(unpacker, get_worker):
-        nelems = unpacker.read_map_header()
-        for i in range(nelems):
-            # Select a worker for the given key
-            key = unpacker.unpack()
-            worker = get_worker(key)
-
-            # Send the value as a packed message to worker
-            bytestream = BytesIO()
-            unpacker.skip(bytestream.write)
-            worker.send(bytestream.getvalue())
-```
 
 ## Notes
 
