tree e2f6fdf094b2b22442c37b78141b36560f2d0206
parent 475f55d46bb2e7977bf1138a580c60e27bd023ef
author danrubel <danrubel@google.com> 1558131855 +0000
committer commit-bot@chromium.org <commit-bot@chromium.org> 1558131855 +0000

add "extension" built-in keyword for extension methods

Change-Id: I6529fff31f681fd24c22f8c7579d2a35097f4d07
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/102940
Reviewed-by: Brian Wilkerson <brianwilkerson@google.com>
Commit-Queue: Dan Rubel <danrubel@google.com>