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Konstantin Shcheglov 0c7b9cf470 Issue 40764. Use Never instead of Null when converting super-bounded to regular-bounded.
Bug: https://github.com/dart-lang/sdk/issues/40764
Change-Id: I58f0e9860dd000aa2d8e416c5fce7e8964db0ef8
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/137280
Commit-Queue: Konstantin Shcheglov <scheglov@google.com>
Reviewed-by: Paul Berry <paulberry@google.com>
2020-02-26 20:12:51 +00:00
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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

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Dart is free and open source.

See LICENSE and PATENT_GRANT.

Using Dart

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