RFC: Sending pre-encoded text over a web socket.

sdk/lib/io/websocket.dart

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 part of dart.io;
 
 /**
  * WebSocket status codes used when closing a WebSocket connection.
  */
 abstract class WebSocketStatus {
@@ skipping 384 matching lines @@
    * be either a `String`, or a `List<int>` holding bytes.
    */
   void add(/*String|List<int>*/ data);
 
   /**
    * Sends data from a stream on WebSocket connection. Each data event from
    * [stream] will be send as a single WebSocket frame. The data from [stream]
    * must be either `String`s, or `List<int>`s holding bytes.
    */
   Future addStream(Stream stream);
+
+  /**
+   * Sends a text message with the text represented by [bytes].
+   *
+   * The [bytes] should be valid UTF-8 encoded Unicode characters. If they are
+   * not, the receiving end will close the connection.
+   */
+  void addUtf8Text(List<int> bytes);
 }
 
 class WebSocketException implements IOException {
   final String message;
 
   const WebSocketException([this.message = ""]);
 
   String toString() => "WebSocketException: $message";
 }