[dart-misc] [dart-announce] Breaking Change - More types for Future.timeout

['Florian Loitsch' via Dart Announcements]

I just landed a patch [0] that adds more types to the Future.timeout
function. It's unlikely, but there is a chance that a program could now
fail in checked mode.

We changed the signature from the timeout function from:
Future timeout(Duration timeLimit, {onTimeout()});
to
Future<T> timeout(Duration timeLimit, {onTimeout()});

This implies that the `onTimeout` function must return a T (or a Future<T>)
now.

If you rely on the old behavior, you can work around the new types by
introducing a `.then`:

typedFuture.timeout(...)
becomes
typedFuture.then((x) => x).timeout(...)

// florian

[0]
https://github.com/dart-lang/sdk/commit/963f653b12c57c22b4c1252e70bc5468846eb23b
--
For more news and information, visit https://plus.google.com/+dartlang

To join the conversation, visit https://groups.google.com/a/dartlang.org/

[Jan Mostert]

In which version will this be released?


On Tue, 9 Feb 2016 at 20:05 'Florian Loitsch' via Dart Announcements <

Post by 'Florian Loitsch' via Dart Announcements
I just landed a patch [0] that adds more types to the Future.timeout
function. It's unlikely, but there is a chance that a program could now
fail in checked mode.
Future timeout(Duration timeLimit, {onTimeout()});
to
Future<T> timeout(Duration timeLimit, {onTimeout()});
This implies that the `onTimeout` function must return a T (or a
Future<T>) now.
If you rely on the old behavior, you can work around the new types by
typedFuture.timeout(...)
becomes
typedFuture.then((x) => x).timeout(...)
// florian
[0]
https://github.com/dart-lang/sdk/commit/963f653b12c57c22b4c1252e70bc5468846eb23b
--
For more news and information, visit https://plus.google.com/+dartlang
To join the conversation, visit https://groups.google.com/a/dartlang.org/
--
For other discussions, see https://groups.google.com/a/dartlang.org/
For HOWTO questions, visit http://stackoverflow.com/tags/dart
To file a bug report or feature request, go to http://www.dartbug.com/new
---
You received this message because you are subscribed to the Google Groups
"Dart Misc" group.
To unsubscribe from this group and stop receiving emails from it, send an