LCOV - code coverage report
Current view: top level - async-1.13.3/lib/src/delegate - stream.dart (source / functions) Hit Total Coverage
Test: coverage.lcov Lines: 0 2 0.0 %
Date: 2017-10-10 20:17:03 Functions: 0 0 -

          Line data    Source code
       1             : // Copyright (c) 2016, the Dart project authors.  Please see the AUTHORS file
       2             : // for details. All rights reserved. Use of this source code is governed by a
       3             : // BSD-style license that can be found in the LICENSE file.
       4             : 
       5             : import 'dart:async';
       6             : 
       7             : import '../typed/stream.dart';
       8             : 
       9             : /// Simple delegating wrapper around a [Stream].
      10             : ///
      11             : /// Subclasses can override individual methods, or use this to expose only the
      12             : /// [Stream] methods of a subclass.
      13             : ///
      14             : /// Note that this is identical to [StreamView] in `dart:async`. It's provided
      15             : /// under this name for consistency with other `Delegating*` classes.
      16             : class DelegatingStream<T> extends StreamView<T> {
      17           0 :   DelegatingStream(Stream<T> stream) : super(stream);
      18             : 
      19             :   /// Creates a wrapper which throws if [stream]'s events aren't instances of
      20             :   /// `T`.
      21             :   ///
      22             :   /// This soundly converts a [Stream] to a `Stream<T>`, regardless of its
      23             :   /// original generic type, by asserting that its events are instances of `T`
      24             :   /// whenever they're provided. If they're not, the stream throws a
      25             :   /// [CastError].
      26             :   static Stream<T> typed<T>(Stream stream) =>
      27           0 :       stream is Stream<T> ? stream : new TypeSafeStream<T>(stream);
      28             : }

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