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Side by Side Diff: lib/src/result/future.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) 2015, the Dart project authors. Please see the AUTHORS file 1 // Copyright (c) 2015, the Dart project authors. Please see the AUTHORS file
2 // for details. All rights reserved. Use of this source code is governed by a 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. 3 // BSD-style license that can be found in the LICENSE file.
4 4
5 library async.result_future;
6
7 import 'dart:async'; 5 import 'dart:async';
8 6
7 import '../delegate/future.dart';
9 import '../result.dart'; 8 import '../result.dart';
10 import 'delegate/future.dart';
11 9
12 /// A [Future] wrapper that provides synchronous access to the result of the 10 /// A [Future] wrapper that provides synchronous access to the result of the
13 /// wrapped [Future] once it's completed. 11 /// wrapped [Future] once it's completed.
14 class ResultFuture<T> extends DelegatingFuture<T> { 12 class ResultFuture<T> extends DelegatingFuture<T> {
15 /// Whether the future has fired and [result] is available. 13 /// Whether the future has fired and [result] is available.
16 bool get isComplete => result != null; 14 bool get isComplete => result != null;
17 15
18 /// The result of the wrapped [Future], if it's completed. 16 /// The result of the wrapped [Future], if it's completed.
19 /// 17 ///
20 /// If it hasn't completed yet, this will be `null`. 18 /// If it hasn't completed yet, this will be `null`.
21 Result<T> get result => _result; 19 Result<T> get result => _result;
22 Result<T> _result; 20 Result<T> _result;
23 21
24 factory ResultFuture(Future<T> future) { 22 factory ResultFuture(Future<T> future) {
25 var resultFuture; 23 var resultFuture;
26 resultFuture = new ResultFuture._(Result.capture(future).then((result) { 24 resultFuture = new ResultFuture._(Result.capture(future).then((result) {
27 resultFuture._result = result; 25 resultFuture._result = result;
28 return result.asFuture; 26 return result.asFuture;
29 })); 27 }));
30 return resultFuture; 28 return resultFuture;
31 } 29 }
32 30
33 ResultFuture._(Future<T> future) 31 ResultFuture._(Future<T> future)
34 : super(future); 32 : super(future);
35 } 33 }
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