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sorawee 812339a04b
reqprov: fix disappeared-use 
This PR fixes two issues regarding disappeared-use in reqprov.rkt

1. Copy/preserve disappeared-use for all provide subforms instead
of only the first one. The following program doesn't have an arrow from
`struct-out` to `#lang racket` prior this PR, but it does after this PR.

    #lang racket
    (provide a? (struct-out a))
    (struct a ())

2. Fix incorrect `disappeared-use` for `struct-out`: it is inappropriate
to check if an identifier is bound to a struct info in provide
pre-transformer because it would not be able to handle backlinks.
This PR moves the attachment from provide pre-transformer to provide
transformer, allowing Check Syntax to draw an arrow for the identifier
`abc` in:

   #lang racket
   (provide (struct-out abc))
   (struct abc ())
2020-10-05 10:13:43 -06:00
.github bc: declare interntional unsafe fixnum arithmetic 2020-09-22 07:57:32 -06:00
pkgs reqprov: fix disappeared-use 2020-10-05 10:13:43 -06:00
racket reqprov: fix disappeared-use 2020-10-05 10:13:43 -06:00
.gitattributes Don't include git files in archives. 2010-05-12 01:46:05 -04:00
.gitignore Fix typo. 2019-06-21 12:32:37 -05:00
.lgtm.yml Fetch PB to start LGTM build 2020-08-07 12:17:17 +02:00
.mailmap Minor metadata changes. 2019-10-15 08:09:32 -04:00
.makefile makefiles: clean out unused Git submodule targets and hooks 2020-10-02 11:17:34 -06:00
build.md fix typo 2020-08-20 18:39:33 -06:00
LICENSE Recent GMP is under LGPL v3. 2020-05-01 22:26:25 -04:00
Makefile makefiles: clean out unused Git submodule targets and hooks 2020-10-02 11:17:34 -06:00
README.md Fix README 2020-09-06 09:03:42 -04:00

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

Pre-built versions of Racket for a variety of operating systems and architectures, as well as convenient source distributions are available at

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

https://docs.racket-lang.org

Building from Source

For information on building Racket from this repository, see the Build Guide.

Contributing

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.