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Konstantin Shcheglov 3a0a196fed Revert "Issue 45672. Report constant errors when null value where non-nullable type is expected."
This reverts commit ac27053055.

Reason for revert: landed without necessary local changes

Original change's description:
> Issue 45672. Report constant errors when null value where non-nullable type is expected.
>
> Original: https://dart-review.googlesource.com/c/sdk/+/196042
> Reverted as: https://dart-review.googlesource.com/c/sdk/+/196281
>
> Presubmit looks green:
> https://test.corp.google.com/ui#id=OCL:369788056:BASE:369887187:1619108797262:daf61e5&include_skipped=true
>
> Bug: https://github.com/dart-lang/sdk/issues/45672
> Change-Id: I459b7ea3e1218d960583bf4b6ace5b2c40dc7f4a
> Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/196300
> Reviewed-by: Brian Wilkerson <brianwilkerson@google.com>
> Commit-Queue: Konstantin Shcheglov <scheglov@google.com>

TBR=scheglov@google.com,brianwilkerson@google.com

Change-Id: Ia624c5c90195fd2477b068e245a644a62795d35c
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: https://github.com/dart-lang/sdk/issues/45672
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/197108
Reviewed-by: Konstantin Shcheglov <scheglov@google.com>
Commit-Queue: Konstantin Shcheglov <scheglov@google.com>
2021-04-27 21:42:21 +00:00
.dart_tool Upgrade to null safe migrated json_rpc_2 2021-04-24 01:11:42 +00:00
.github Remove obsolete dartfix build target and scripts 2020-11-13 09:18:36 +00:00
benchmarks [benchmarks] Fix lints in Omnibus benchmarks 2021-04-23 20:11:52 +00:00
build [build] Raise minimum mac SDK version to 10.13 to reduce build warnings 2021-04-27 10:37:30 +00:00
client Remove old annotated_steps buildbot scripts and dispatcher 2017-05-23 16:17:02 +02:00
docs Minor fixes to breaking change process 2021-01-15 21:44:22 +00:00
pkg Revert "Issue 45672. Report constant errors when null value where non-nullable type is expected." 2021-04-27 21:42:21 +00:00
runtime Enable experiment generic_metadata 2021-04-27 20:16:08 +00:00
samples [native_extensions] Convert uri to path so that on Windows native extension loading works. 2021-04-01 03:22:35 +00:00
samples-dev/swarm [infra] Migrate scripts to python3 2021-04-15 10:10:20 +00:00
samples_2 [native_extensions] Convert uri to path so that on Windows native extension loading works. 2021-04-01 03:22:35 +00:00
sdk Expose loadId during deferred loading that will allow for advanced bundling optimizations. 2021-04-27 01:40:48 +00:00
tests Revert "Issue 45672. Report constant errors when null value where non-nullable type is expected." 2021-04-27 21:42:21 +00:00
third_party [infra] Upgrade jsshell to 88.0 2021-04-22 08:37:56 +00:00
tools Enable experiment generic_metadata 2021-04-27 20:16:08 +00:00
utils Reapply "[build] Don't list Dart sources up front when creating application snapshots." 2021-04-27 17:22:54 +00:00
.clang-format VM: Re-format to use at most one newline between functions 2017-07-13 08:08:37 -07:00
.gitattributes [web] rename suite dart2js -> web. 2021-02-04 23:11:32 +00:00
.gitconfig [infra] Add documentation to .gitconfig 2018-06-11 18:24:16 +00:00
.gitignore [vm] Remove traces of LLVM backend 2021-03-09 20:37:20 +00:00
.gn [infra] Migrate scripts to python3 2021-04-15 10:10:20 +00:00
.mailmap fix my name in .mailmap 2018-09-11 01:45:52 +00:00
.packages Remove pkg:mustache from .packages 2021-04-19 17:17:09 +00:00
.style.yapf Mass format python with yapf 2019-08-05 20:34:31 +00:00
.vpython [infra] Add .vpython spec to fix gsutil on the bots (#31065) 2018-10-11 15:11:35 +00:00
AUTHORS [runtime/vm] ARM64: Support unaligned memory accesses for regex. 2019-10-15 20:11:40 +00:00
BUILD.gn [sdk] Add analysis_server.dart.snapshot to ARM SDKs. 2021-03-19 12:03:48 +00:00
CHANGELOG.md Enable experiment generic_metadata 2021-04-27 20:16:08 +00:00
codereview.settings Update codereview.settings to Gerrit (dart-review.googlesource.com) 2017-09-04 12:52:09 +00:00
CONTRIBUTING.md [doc] Updated dart.dev web repo link 2021-02-22 12:15:22 +00:00
DEPS [sdk] Update checked-in SDKs to 2.13.0-211.13.beta 2021-04-27 07:34:08 +00:00
LICENSE Update LICENSE 2021-04-08 07:57:10 +00:00
PATENT_GRANT Rename patent file 2019-08-16 12:03:17 +00:00
PRESUBMIT.py Add gclient sync to package_config.json presubmit message 2021-02-12 01:44:47 +00:00
README.dart-sdk Add dart2native to sdk README 2020-01-20 09:32:58 +00:00
README.md Update README.md 2021-01-11 23:51:20 +00:00
sdk_args.gni [infra] Fix default path to git directory when running GN 2021-03-16 16:58:49 +00:00
WATCHLISTS Add myself to watch for tools/experimental_features.yaml changes. 2021-03-19 18:09:38 +00:00

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.