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Side by Side Diff: lib/src/result/value.dart

Issue 1777453002: Modernize the package's style. (Closed) Base URL: git@github.com:dart-lang/async.git@master
Patch Set: Created 4 years, 9 months ago
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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 '../result.dart';
8 import 'error.dart';
9
10 /// A result representing a returned value.
11 class ValueResult<T> implements Result<T> {
12 final T value;
13
14 bool get isValue => true;
15 bool get isError => false;
16 ValueResult<T> get asValue => this;
17 ErrorResult get asError => null;
18
19 ValueResult(this.value);
20
21 void complete(Completer<T> completer) {
22 completer.complete(value);
23 }
24
25 void addTo(EventSink<T> sink) {
26 sink.add(value);
27 }
28
29 Future<T> get asFuture => new Future.value(value);
30 }
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