blob: 303bc08d76101d34679e1ada89945ab76d43fb7e [file] [log] [blame]
// 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 '../delegate/stream_sink.dart';
import '../stream_sink_transformer.dart';
/// A wrapper that coerces the generic type of the sink returned by an inner
/// transformer to `S`.
class TypeSafeStreamSinkTransformer<S, T>
implements StreamSinkTransformer<S, T> {
final StreamSinkTransformer _inner;
StreamSink<S> bind(StreamSink<T> sink) =>