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dart / sdk / 5668aa47328947a39d811fc53270f12d1889e70a
commit5668aa47328947a39d811fc53270f12d1889e70a[log] [tgz]
authorPaul Berry <paulberry@google.com>Thu Jan 26 15:54:17 2023 +0000
committerCommit Queue <dart-scoped@luci-project-accounts.iam.gserviceaccount.com>Thu Jan 26 15:54:17 2023 +0000
treec1bb8094ccb012a97b39ee7f4f1d41230abd073a
parente396024712a347a49fc347d4f87578a03172075f [diff]
Flow analysis: Add patternRequiredType.

This method is used for declared variable patterns, list patterns, map
patterns, record patterns, object patterns, and wildcard patterns to
cause the value being matched to be promoted.

As a temporary measure it's also used for cast patterns; this will be
fixed in a later CL.

Change-Id: Iccc9ce4a53e2a10753847f9ecade091f1b230111
Bug: https://github.com/dart-lang/sdk/issues/50419
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/279653
Reviewed-by: Johnni Winther <johnniwinther@google.com>
Commit-Queue: Paul Berry <paulberry@google.com>
4 files changed
tree: c1bb8094ccb012a97b39ee7f4f1d41230abd073a
  1. .dart_tool/
  2. .github/
  3. benchmarks/
  4. build/
  5. docs/
  6. pkg/
  7. runtime/
  8. samples/
  9. sdk/
  10. tests/
  11. third_party/
  12. tools/
  13. utils/
  14. .clang-format
  15. .gitattributes
  16. .gitconfig
  17. .gitignore
  18. .gn
  19. .mailmap
  20. .style.yapf
  21. .vpython
  22. AUTHORS
  23. BUILD.gn
  24. CHANGELOG.md
  25. codereview.settings
  26. CONTRIBUTING.md
  27. DEPS
  28. LICENSE
  29. OWNERS
  30. PATENT_GRANT
  31. PRESUBMIT.py
  32. README.dart-sdk
  33. README.md
  34. sdk_args.gni
  35. SECURITY.md
  36. WATCHLISTS
README.md

Dart

A client-optimized language for fast apps on any platform

Dart is:

  • Optimized for UI: Develop with a programming language specialized around the needs of user interface creation.

  • Productive: Make changes iteratively: use hot reload to see the result instantly in your running app.

  • Fast on all platforms: Compile to ARM & x64 machine code for mobile, desktop, and backend. Or compile to JavaScript for the web.

Dart's flexible compiler technology lets you run Dart code in different ways, depending on your target platform and goals:

  • Dart Native: For programs targeting devices (mobile, desktop, server, and more), Dart Native includes both a Dart VM with JIT (just-in-time) compilation and an AOT (ahead-of-time) compiler for producing machine code.

  • Dart Web: For programs targeting the web, Dart Web includes both a development time compiler (dartdevc) and a production time compiler (dart2js).

Dart platforms illustration

License & patents

Dart is free and open source.

See LICENSE and PATENT_GRANT.

Using Dart

Visit dart.dev to learn more about the language, tools, and to find codelabs.

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

Our API reference documentation is published at api.dart.dev, based on the stable release. (We also publish docs from our beta and dev channels, as well as from the primary development branch).

Building Dart

If you want to build Dart yourself, here is a guide to getting the source, preparing your machine to build the SDK, and building.

There are more documents on our wiki.

Contributing to Dart

The easiest way to contribute to Dart is to file issues.

You can also contribute patches, as described in Contributing.