| commit | 6080e546c9075e7465ed3302169546d6752b2678 | [log] [tgz] |
|---|---|---|
| author | Paul Berry <paulberry@google.com> | Mon May 13 22:31:44 2019 +0000 |
| committer | commit-bot@chromium.org <commit-bot@chromium.org> | Mon May 13 22:31:44 2019 +0000 |
| tree | b31b157e3f9b8bbe075aabff9131e1dc2a50466f | |
| parent | 6d5f7639526b0b984656ae603bc12321163aeba7 [diff] |
Rearrange NullabilityNode class hierarchy. Instead of making immutable nullability nodes derive from mutable ones (forcing the mutation method to be overridden to thrown an exception), we make sibling classes for mutable and immutable nodes. This will allow additional mutation methods to be added in a less kludgy way. Change-Id: Ib147583e0a9c4b56333ad9c56c3c725f02ab19ad Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/102402 Reviewed-by: Konstantin Shcheglov <scheglov@google.com>
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