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Daco Harkes efa7439c16 Revert "[vm] Only call .hashCode once when adding to Map and Set" 
This reverts commit 438c1ed2ba.

Reason for revert: b/231617607 and b/230945329.
Will reland after b/230945329 is addressed.

Original change's description:
> [vm] Only call `.hashCode` once when adding to `Map` and `Set`
>
> The methods to add to hash maps and hash sets are recursive: if the
> index needs to be rehashed then the same method is called again after
> rehashing.
>
> This CL nests the actual implementation in a private method that takes
> the full hashCode as an extra argument.
>
> No significant code size or run time changes are reported on our
> benchmarks. (Our benchmarks do not contain purposefully slow hashCodes.)
>
> Note that hashCode can be called again later if rehashing of the index
> is required on adding subsequent elements.
>
> Bug: https://github.com/dart-lang/sdk/issues/48948
> Change-Id: Ia3ccff9e592d675b4922ac78c4aa7ee0287ecb50
> Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/243623
> Reviewed-by: Martin Kustermann <kustermann@google.com>
> Commit-Queue: Daco Harkes <dacoharkes@google.com>

TBR=kustermann@google.com,dacoharkes@google.com

Change-Id: I214251b65ea89e7f729564a125e226f2e6d580c0
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: https://github.com/dart-lang/sdk/issues/48948
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/243900
Commit-Queue: Daco Harkes <dacoharkes@google.com>
Reviewed-by: Daco Harkes <dacoharkes@google.com>
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
2022-05-06 10:24:29 +00:00
.dart_tool [infra] re-land work to auto-generate .dart_tool/package_config.json 2022-04-12 17:21:02 +00:00
.github [repo] remove no longer used github metadata 2022-05-05 23:40:35 +00:00
benchmarks [benchmarks] Follow-up to "Roll benchmark_harness" 2022-05-02 12:26:41 +00:00
build [infra] Error, don't crash setup_toolchain.py 2022-05-02 13:53:00 +00:00
docs update breaking change policy 2022-02-24 09:17:23 +00:00
pkg [dart2js] Migrating cycle in io/ and js/ 2022-05-06 03:54:16 +00:00
runtime Revert "[vm] Only call .hashCode once when adding to Map and Set" 2022-05-06 10:24:29 +00:00
samples [ffi/sample] Rev up ffi dependency to fix compilation error. 2022-04-04 14:16:51 +00:00
samples-dev [infra] Add OWNERS to the Dart SDK 2022-02-14 14:06:34 +00:00
samples_2 [ffi/sample] Rev up ffi dependency to fix compilation error. 2022-04-04 14:16:51 +00:00
sdk Revert "[vm] Only call .hashCode once when adding to Map and Set" 2022-05-06 10:24:29 +00:00
tests Resolve deferred function literals in stages. 2022-05-03 22:04:39 +00:00
third_party [test] Widen ownership of test status files. 2022-03-10 09:49:16 +00:00
tools [core libs] address ~5 analysis issues in the docs for dart:isolate 2022-05-05 16:58:55 +00:00
utils [infra] Add OWNERS to the Dart SDK 2022-02-14 14:06:34 +00:00
.clang-format
.gitattributes [web] rename suite dart2js -> web. 2021-02-04 23:11:32 +00:00
.gitconfig
.gitignore [infra] re-land work to auto-generate .dart_tool/package_config.json 2022-04-12 17:21:02 +00:00
.gn [infra] Migrate scripts to python3 2021-04-15 10:10:20 +00:00
.mailmap
.style.yapf Mass format python with yapf 2019-08-05 20:34:31 +00:00
.vpython
AUTHORS [vm] Support RISC-V. 2022-01-20 00:57:57 +00:00
BUILD.gn Make dart_target_arch filters for 32-bit intel consistent 2022-03-15 01:52:21 +00:00
CHANGELOG.md Add 2.17 language features to CHANGELOG. 2022-05-03 01:24:46 +00:00
codereview.settings [infra] Default presubmits to use python3 2021-08-24 08:20:47 +00:00
CONTRIBUTING.md Add more details to contributing docs 2022-03-16 07:56:58 +00:00
DEPS Revert "bump package:markdown" 2022-05-05 17:00:35 +00:00
LICENSE Update LICENSE 2021-04-08 07:57:10 +00:00
OWNERS [infra] Give VM engineers OWNERS over tools/gn.py et al. 2022-04-25 17:47:23 +00:00
PATENT_GRANT Rename patent file 2019-08-16 12:03:17 +00:00
PRESUBMIT.py [infra] re-land work to auto-generate .dart_tool/package_config.json 2022-04-12 17:21:02 +00:00
README.dart-sdk [sdk] - Update README file in sdk. 2021-10-25 16:08:40 +00:00
README.md master => main 2021-09-10 08:02:49 +00:00
sdk_args.gni Allow configuring the destination of the SDK in the build output directory 2021-06-29 18:45:29 +00:00
SECURITY.md Add link to published advisories 2022-02-08 19:45:07 +00:00
WATCHLISTS [dart2js] More shared_messages.dart cleanup 2021-09-22 19:20:54 +00:00

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.