| // Copyright (c) 2017, 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'; |
| |
| /// Matches [StreamTransformer.bind]. |
| typedef Stream<T> Bind<S, T>(Stream<S> values); |
| |
| /// Creates a [StreamTransformer] which overrides [StreamTransformer.bind] to |
| /// [bindFn]. |
| StreamTransformer<S, T> fromBind<S, T>(Bind<S, T> bindFn) => |
| new _StreamTransformer(bindFn); |
| |
| class _StreamTransformer<S, T> implements StreamTransformer<S, T> { |
| final Bind<S, T> _bind; |
| |
| _StreamTransformer(this._bind); |
| |
| @override |
| Stream<T> bind(Stream<S> values) => _bind(values); |
| } |
