45033c6ad9
Change Expression.getStaticType to take a StaticTypeContext instead of a TypeEnvironment. The StaticTypeContext provides access to the TypeEnvironment and the current 'this type' as well as determining the nullability state of the enclosing library. This change is needed to support nnbd types for getStaticType and also serves as a step towards supporting caching during static type computations to avoid repeated computations of the same (complex) expressions. Change-Id: Ied974dff7f6f7c3c8f262aa80c8dea5c674662f7 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/124683 Commit-Queue: Johnni Winther <johnniwinther@google.com> Reviewed-by: Alexander Markov <alexmarkov@google.com> Reviewed-by: Sigmund Cherem <sigmund@google.com> Reviewed-by: Dmitry Stefantsov <dmitryas@google.com> |
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Dart
A client-optimized language for fast apps on any platform
Dart is:
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Optimized for UI: Develop with a programming language specialized around the needs of user interface creation
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Productive: Make changes iteratively: use hot reload to see the result instantly in your running app
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Fast on all platforms: Compile to ARM & x64 machine code for mobile, desktop, and backend. Or compile to JavaScript for the web
Dart has flexible compiler technology lets you run Dart code in different ways, depending on your target platform and goals:
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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.
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Dart Web: For programs targeting the web, Dart Web includes both a development time compiler (dartdevc) and a production time compiler (dart2js).
License & patents
Dart is free and open source.
See LICENSE and PATENT_GRANT.
Using Dart
Visit the dart.dev to learn more about the language, tools, getting started, and more.
Browse pub.dev for more packages and libraries contributed by the community and the Dart team.
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.