Skip to content

Conversation

@srawlins
Copy link
Contributor

The code with out the null assertion is legal as per the type signature, but will throw a runtime exception if the nullable value is null. To make this exception more explicit, the value must be null-checked before completing the completer with the value.

The analyzer will soon enforce such checks. See dart-lang/sdk#53253.

Fixes #136775

Pre-launch Checklist

  • I read the Contributor Guide and followed the process outlined there for submitting PRs.
  • I read the Tree Hygiene wiki page, which explains my responsibilities.
  • I read and followed the Flutter Style Guide, including Features we expect every widget to implement.
  • I signed the CLA.
  • I listed at least one issue that this PR fixes in the description above.
  • I updated/added relevant documentation (doc comments with ///).
  • I added new tests to check the change I am making, or this PR is test-exempt.
  • All existing and new tests are passing.

If you need help, consider asking for advice on the #hackers-new channel on Discord.

@flutter-dashboard
Copy link

It looks like this pull request may not have tests. Please make sure to add tests before merging. If you need an exemption to this rule, contact Hixie or stuartmorgan on the #hackers channel in Chat (don't just cc them here, they won't see it! Use Discord!).

If you are not sure if you need tests, consider this rule of thumb: the purpose of a test is to make sure someone doesn't accidentally revert the fix. Ask yourself, is there anything in your PR that you feel it is important we not accidentally revert back to how it was before your fix?

Reviewers: Read the Tree Hygiene page and make sure this patch meets those guidelines before LGTMing.

@github-actions github-actions bot added the tool Affects the "flutter" command-line tool. See also t: labels. label Oct 18, 2023
Copy link
Contributor

@jonahwilliams jonahwilliams left a comment

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

LGTM

@srawlins srawlins added the autosubmit Merge PR when tree becomes green via auto submit App label Oct 18, 2023
@auto-submit auto-submit bot merged commit 25d2cda into flutter:master Oct 18, 2023
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request Oct 19, 2023
auto-submit bot pushed a commit to flutter/packages that referenced this pull request Oct 19, 2023
flutter/flutter@189196d...c2bd2c1

2023-10-19 98614782+auto-submit[bot]@users.noreply.github.com Reverts "Fixes ability to call nextFocus() on a node to focus its descendant" (flutter/flutter#136894)
2023-10-19 [email protected] Roll Flutter Engine from d0d7b4d61265 to 28cb2508b8e0 (1 revision) (flutter/flutter#136878)
2023-10-19 [email protected] Roll Flutter Engine from 8d51b64e9440 to d0d7b4d61265 (13 revisions) (flutter/flutter#136872)
2023-10-19 98614782+auto-submit[bot]@users.noreply.github.com Reverts "Add code for updating `focusedChild` when removing grandchildren from scope" (flutter/flutter#136862)
2023-10-19 98614782+auto-submit[bot]@users.noreply.github.com Reverts "Use Layer.toImage for golden tests on CanvasKit" (flutter/flutter#136860)
2023-10-18 [email protected] Bump flutter_lints to 3.0 (flutter/flutter#136841)
2023-10-18 [email protected] Add code for updating `focusedChild` when removing grandchildren from scope (flutter/flutter#136771)
2023-10-18 [email protected] Use Layer.toImage for golden tests on CanvasKit (flutter/flutter#135249)
2023-10-18 [email protected] Roll Flutter Engine from b67edb05d3f7 to 8d51b64e9440 (4 revisions) (flutter/flutter#136846)
2023-10-18 [email protected] Roll Flutter Engine from 6caee3236d37 to b67edb05d3f7 (5 revisions) (flutter/flutter#136844)
2023-10-18 [email protected] Null-assert the value given to a Completer expecting a non-null value (flutter/flutter#136776)

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/flutter-packages
Please CC [email protected],[email protected],[email protected] on the revert to ensure that a human
is aware of the problem.

To file a bug in Packages: https://github.com/flutter/flutter/issues/new/choose

To report a problem with the AutoRoller itself, please file a bug:
https://issues.skia.org/issues/new?component=1389291&template=1850622

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md
@srawlins srawlins deleted the nn-type-flutter_tools branch December 15, 2023 03:04
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment

Labels

autosubmit Merge PR when tree becomes green via auto submit App tool Affects the "flutter" command-line tool. See also t: labels.

Projects

None yet

Development

Successfully merging this pull request may close these issues.

FlutterVmService completes a non-nullable Completer with a nullable value

2 participants