add docs to pack/pack-stream

Author: edma2

src/msgpack/core.clj

@@ -215,13 +215,17 @@
  (pack-bytes bytes s)))})
 
 (defn pack-stream
+ "Serialize application value as a stream of MessagePack-formatted bytes.
+ Argument type can be either java.io.DataOutput or java.io.OutputStream. Any
+ other type is an error."
  ([this stream] (pack-stream this stream nil))
  ([this stream opts]
  (condp instance? stream
  DataOutput (packable-pack this stream opts)
  OutputStream (pack-stream this (DataOutputStream. stream) opts))))
 
 (defn pack
+ "Serialize application value as a MessagePack-formatted byte array"
  ([obj] (pack obj nil))
  ([obj opts]
  (let [stream (ByteArrayOutputStream.)]