Don't check for the file presence in transitive sets when we are just creating it. Profiler showed that it was about 5% of total Flutter repo analysis time. R=brianwilkerson@google.com Change-Id: I172b93aaf4c25dec2de7798249984f2ef493807c Reviewed-on: https://dart-review.googlesource.com/77008 Reviewed-by: Brian Wilkerson <brianwilkerson@google.com> Commit-Queue: Konstantin Shcheglov <scheglov@google.com>
Dart is an open-source, scalable programming language, with robust libraries and runtimes, for building web, server, and mobile apps.
Visit the dartlang.org to learn more about the language, tools, getting started, and more.
Browse pub.dartlang.org for more packages and libraries contributed by the community and the Dart team.
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.
The easiest way to contribute to Dart is to file issues.
You can also contribute patches, as described in Contributing.