![]() An an example of better error handling, (f (error 'x "x") y x) turns into (error 'x "x") which may allow further propagation through `begin` and `if` as alerady implemented. Also, make cp0 and cptypes more aware of `call-{setting,getting,cosuming}-continuation-attachment` in terms of result types and single-valuedness. The single-valued part requires some generalization to the existing `single-valued?` support (by default, "single-valued" => "doesn't inspect/changed immediate mark") in both cp0 and cptypes. Finally, the "optimize.rktl" test suite is now enabled for Racket CS. The tests helped expose some missed opportunities and bugs, and it should be particularly helpful going forward, since we're back to having a place for Racket-level optimization tests. Not all tests written for BC pass with CS. Grep for 'chez-scheme for missed optimization opportunities. |
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README.md |
Racket is a general-purpose programming language and an ecosystem for language-oriented programming.
This repository holds the source code for the core of Racket plus some related packages. The rest of the Racket distribution source code is in other repositories, mostly under the Racket GitHub organization.
Quick Start
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https://download.racket-lang.org
Racket comes with extensive documentation, including several tutorials. You can read all of this documentation, as well as documentation for third-party packages at
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For information on building Racket from this repository, see the Build Guide.
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Contribute to Racket by submitting a pull request, joining the development mailing list, or visiting the IRC or Slack channels.
By making a contribution, you are agreeing that your contribution is licensed under the LGPLv3, Apache 2.0, and MIT licenses. Those licenses are available in this repository in the files racket/src/LICENSE-LGPL.txt, racket/src/LICENSE-APACHE.txt, and racket/src/LICENSE-MIT.txt.
See the Racket Build Guide for more guidance on contributing.
The Friendly Environment Policy contains guidelines on expected behavior within the Racket community.
License
Racket is free software; see LICENSE for more details.