Change generic comment syntax to real generic syntax.

lib/src/delegate/stream.dart

 // Copyright (c) 2016, 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.
 
 import 'dart:async';
 
 import '../typed/stream.dart';
 
 /// Simple delegating wrapper around a [Stream].
 ///
 /// Subclasses can override individual methods, or use this to expose only the
 /// [Stream] methods of a subclass.
 ///
 /// Note that this is identical to [StreamView] in `dart:async`. It's provided
 /// under this name for consistency with other `Delegating*` classes.
 class DelegatingStream<T> extends StreamView<T> {
   DelegatingStream(Stream<T> stream) : super(stream);
 
   /// Creates a wrapper which throws if [stream]'s events aren't instances of
   /// `T`.
   ///
   /// This soundly converts a [Stream] to a `Stream<T>`, regardless of its
   /// original generic type, by asserting that its events are instances of `T`
   /// whenever they're provided. If they're not, the stream throws a
   /// [CastError].
-  static Stream/*<T>*/ typed/*<T>*/(Stream stream) =>
-      stream is Stream/*<T>*/ ? stream : new TypeSafeStream/*<T>*/(stream);
+  static Stream<T> typed<T>(Stream stream) =>
+      stream is Stream<T> ? stream : new TypeSafeStream<T>(stream);
 }