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Add a changelog entry for Null.

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Fixes #28024
BUG= http://dartbug.com/28024
R=lrn@google.com

Review-Url: https://codereview.chromium.org/2640163005 .
This commit is contained in:
Florian Loitsch 2017-01-19 15:18:23 +01:00
parent 71efbad90c
commit b002a17811
1 changed files with 14 additions and 0 deletions
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CHANGELOG.md
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@ -29,6 +29,20 @@
#2 main (file:///Users/mit/tmp/tool/bin/main.dart:9:10)
```
* The `Null` type has been moved to the bottom of the type hierarchy. As such,
it is considered a subtype of every other type.
Examples:
```
Null foo() => null;
int x = foo();
String x = foo();
List<Null> bar() => <Null>[];
List<int> = bar();
List<String> = bar();
```
### Tool changes
* Dart2Js