Added feature specification for upper/lower bounds of top/bottom types

A rendered version can be found here, and it was updated to match
patch set 12:
https://gist.github.com/eernstg/df0d69c85724e1179835a43bf9e63adc

The issue where this topic was raised is
https://github.com/dart-lang/sdk/issues/28513.

Change-Id: I21e4df42348a51f482c42d1c29595e475823e5dc
Reviewed-on: https://dart-review.googlesource.com/53211
Commit-Queue: Erik Ernst <eernst@google.com>
Reviewed-by: Leaf Petersen <leafp@google.com>
1 file changed
tree: 65cc83262ff67484db425701e1af066732253f77
  1. .github/
  2. build/
  3. client/
  4. docs/
  5. pkg/
  6. runtime/
  7. samples/
  8. samples-dev/
  9. sdk/
  10. tests/
  11. third_party/
  12. tools/
  13. utils/
  14. .clang-format
  15. .gitattributes
  16. .gitignore
  17. .gn
  18. .mailmap
  19. .packages
  20. AUTHORS
  21. BUILD.gn
  22. CHANGELOG.md
  23. codereview.settings
  24. dartdoc_options.yaml
  25. DEPS
  26. LICENSE
  27. PATENTS
  28. PRESUBMIT.py
  29. README.dart-sdk
  30. README.md
  31. WATCHLISTS
README.md

Dart

Dart is an open-source, scalable programming language, with robust libraries and runtimes, for building web, server, and mobile apps.

Using Dart

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Browse pub.dartlang.org for more packages and libraries contributed by the community and the Dart team.

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There are more documents on our wiki.

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You can also contribute patches, as described in Contributing.

License & patents

See LICENSE and PATENTS.