tree 38c35edbd540678141efb26a79496c0d2779800e
parent 1850fbbb3aac07305d4a14f8c3fb3a81f7c16086
author Mayank Patke <fishythefish@google.com> 1725639637 +0000
committer Commit Queue <dart-scoped@luci-project-accounts.iam.gserviceaccount.com> 1725639637 +0000

[dart2js] Convert EnumSet to an extension type.

Because the old EnumSet was a wrapper object, some APIs performed
stateful updates. This CL also ensures that callers are now performing
their own state updates, just as if we were manipulating ints directly.

Change-Id: I305cd42b5e0c9395d1d1dac724a108bf083ab0d4
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/379510
Reviewed-by: Nate Biggs <natebiggs@google.com>