commit 6b90f4557f330e1ead021f501ee7f1d8b0e77815
author William Hesse <whesse@google.com> Wed Jul 15 15:56:33 2020 +0200
committer GitHub <noreply@github.com> Wed Jul 15 06:56:33 2020 -0700
tree 9e4be15898c0b7472463afeb591244a565e9cd0d
parent 1ed48b69eac077bc4c633bafdb250ff1cde65780

Fix error in CancelableOperation.then (#127)

Replace a dynamic null check with a dynamic type cast, since the target type may be nullable.

lib/src/cancelable_operation.dart

diff --git a/lib/src/cancelable_operation.dart b/lib/src/cancelable_operation.dart
index 267c6d1..5d18dd3 100644
--- a/lib/src/cancelable_operation.dart
+++ b/lib/src/cancelable_operation.dart
@@ -103,7 +103,7 @@
       if (!completer.isCanceled) {
         if (isCompleted) {
           assert(result is T);
-          completer.complete(Future.sync(() => onValue(result!)));
+          completer.complete(Future.sync(() => onValue(result as T)));
         } else if (onCancel != null) {
           completer.complete(Future.sync(onCancel));
         } else {