Johnni Winther ee0c0bcd57 Reland "[kernel] Ensure that visitors don't implicitly returns null" ...

This is in preparation to migrate package:kernel to null safety.
For the visitor interfaces to support non-nullable return types, the
implementations must avoid using `null` as return value in its base case.

TEST=Refactoring

Change-Id: Ie8fa5d41b99850d9e4abb59634c72920c64128d9
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/183691
Reviewed-by: Jens Johansen <jensj@google.com>
Commit-Queue: Johnni Winther <johnniwinther@google.com>

2021-02-10 07:51:52 +00:00

..

js

[ddc] Merge remaining diffs in dart_library.js

2021-02-01 19:55:49 +00:00

src

Reland "[kernel] Ensure that visitors don't implicitly returns null"

2021-02-10 07:51:52 +00:00

dev_compiler.dart

Opt pkg/dev_compiler out of null safety.

2020-10-12 23:25:42 +00:00