blob: ff305460fa9e7adf6baac7f5dbd19a8ff5239f9f [file] [log] [blame]
// Copyright (c) 2015, 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/future.dart';
import 'result.dart';
/// A [Future] wrapper that provides synchronous access to the result of the
/// wrapped [Future] once it's completed.
class ResultFuture<T> extends DelegatingFuture<T> {
/// Whether the future has fired and [result] is available.
bool get isComplete => result != null;
/// The result of the wrapped [Future], if it's completed.
/// If it hasn't completed yet, this will be `null`.
Result<T> get result => _result;
Result<T> _result;
ResultFuture(Future<T> future) : super(future) {
Result.capture(future).then((result) {
_result = result;