LCOV - code coverage report
Current view: top level - async-2.5.0/lib/src - typed_stream_transformer.dart (source / functions) Hit Total Coverage
Test: lcov.info Lines: 0 6 0.0 %
Date: 2021-11-28 14:37:50 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             : /// Creates a wrapper that coerces the type of [transformer].
       8             : ///
       9             : /// This soundly converts a [StreamTransformer] to a `StreamTransformer<S, T>`,
      10             : /// regardless of its original generic type, by asserting that the events
      11             : /// emitted by the transformed stream are instances of `T` whenever they're
      12             : /// provided. If they're not, the stream throws a [TypeError].
      13           0 : @Deprecated('Use Stream.cast after binding a transformer instead')
      14             : StreamTransformer<S, T> typedStreamTransformer<S, T>(
      15             :         StreamTransformer transformer) =>
      16           0 :     transformer is StreamTransformer<S, T>
      17             :         ? transformer
      18           0 :         : _TypeSafeStreamTransformer(transformer);
      19             : 
      20             : /// A wrapper that coerces the type of the stream returned by an inner
      21             : /// transformer.
      22             : class _TypeSafeStreamTransformer<S, T> extends StreamTransformerBase<S, T> {
      23             :   final StreamTransformer _inner;
      24             : 
      25           0 :   _TypeSafeStreamTransformer(this._inner);
      26             : 
      27           0 :   @override
      28           0 :   Stream<T> bind(Stream<S> stream) => _inner.bind(stream).cast();
      29             : }

Generated by: LCOV version 1.14