Change generic comment syntax to real generic syntax.

lib/src/lazy_stream.dart

 // Copyright (c) 2015, 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 "stream_completer.dart";
 import "delegate/stream.dart";
 
 /// A [Stream] wrapper that forwards to another [Stream] that's initialized
 /// lazily.
 ///
 /// This class allows a concrete `Stream` to be created only once it has a
 /// listener. It's useful to wrapping APIs that do expensive computation to
 /// produce a `Stream`.
 class LazyStream<T> extends Stream<T> {
   /// The callback that's called to create the inner stream.
   ZoneCallback _callback;
 
   /// Creates a single-subscription `Stream` that calls [callback] when it gets
   /// a listener and forwards to the returned stream.
   ///
   /// The [callback] may return a `Stream` or a `Future<Stream>`.
   LazyStream(callback()) : _callback = callback {
     // Explicitly check for null because we null out [_callback] internally.
     if (_callback == null) throw new ArgumentError.notNull('callback');
   }
 
   StreamSubscription<T> listen(void onData(T event),
-                               {Function onError,
-                                void onDone(),
-                                bool cancelOnError}) {
+      {Function onError, void onDone(), bool cancelOnError}) {
     if (_callback == null) {
       throw new StateError("Stream has already been listened to.");
     }
 
     // Null out the callback before we invoke it to ensure that even while
     // running it, this can't be called twice.
     var callback = _callback;
     _callback = null;
     var result = callback();
 
     Stream<T> stream;
     if (result is Future) {
       stream = StreamCompleter.fromFuture(result.then((stream) {
-        return DelegatingStream.typed/*<T>*/(stream as Stream);
+        return DelegatingStream.typed<T>(stream as Stream);
       }));
     } else {
-      stream = DelegatingStream.typed/*<T>*/(result as Stream);
+      stream = DelegatingStream.typed<T>(result as Stream);
     }
 
     return stream.listen(onData,
         onError: onError, onDone: onDone, cancelOnError: cancelOnError);
   }
 }