lib/bson/bson_ruby.rb in bson-0.20.1 vs lib/bson/bson_ruby.rb in bson-1.0

@@ -114,10 +114,10 @@
       serialize_eoo_element(@buf)
       if @buf.size > 4 * 1024 * 1024
         raise InvalidDocument, "Document is too large (#{@buf.size}). BSON documents are limited to 4MB (#{4 * 1024 * 1024})."
       end
       @buf.put_int(@buf.size, 0)
-      self
+      @buf
     end
 
     # Returns the array stored in the buffer.
     # Implemented to ensure an API compatible with BSON extension.
     def unpack(arg)