this
https://dart-review.googlesource.com/c/sdk/+/498840 added support for promotion of properties (private, final instance variables with a name which isn't used much for other purposes) in the context of anonymous methods. This CL reduces the set of situations where this feature is enabled such that only `this` will allow property promotions to be carried in (such that `this._x` is promoted in `v.=> this._x` when `v` is such that `v._x` has been promoted before the anonymous method occurs). It also generalizes the mechanism such that property promotions are carried out (so we can do `if (v.=> _x is int) v._x.isEven;`). Tests has been adjusted accordingly. Change-Id: Ibe70713d3d9c89a6d95f9c3dd28df8f147cb518d Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/502660 Reviewed-by: Paul Berry <paulberry@google.com> Commit-Queue: Erik Ernst <eernst@google.com>
Dart
An approachable, portable, and productive language for high-quality apps on any platform
Dart is:
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Approachable: Develop with a strongly typed programming language that is consistent, concise, and offers modern language features like null safety and patterns.
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Portable: Compile to ARM, x64, or RISC-V machine code for mobile, desktop, and backend. Compile to JavaScript or WebAssembly for the web.
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Productive: Make changes iteratively: use hot reload to see the result instantly in your running app. Diagnose app issues using DevTools.
Dart's 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 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 in our repo at docs.
Contributing to Dart
The easiest way to contribute to Dart is to file issues.
You can also contribute patches, as described in Contributing.
Roadmap
Future plans for Dart are included in the combined Dart and Flutter roadmap on the Flutter wiki.