The Racket repository
962f2472e1
The contract now has two major differences: - It raises an error when it would have to wrap. - It uses chaperones to delay errors as long as possible In general, using `Any` as a type when exporting to untyped code will now just work, unless the untyped code tries to communicate values back to the typed side, in which case an immediate error will be raised. Much of the implementation comes from the membrane design from [Strickland et al, OOPSLA 2012]. |
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The Racket programming language =============================== Important executables: * DrRacket: Racket's integrated development environment (start here!). * Racket: the main command-line entry point for running racket programs and scripts. * GRacket: the GUI-mode Racket executable. * raco: Racket's command-line toolset. More Information ---------------- Racket comes with extensive documentation: use DrRacket's `Help' menu, or run `raco docs'. Also, visit us at http://racket-lang.org/ for more Racket resources. Instructions for building Racket from source are in src/README. License ------- Racket Copyright (c) 2010-2012 PLT Scheme Inc. Racket is distributed under the GNU Lesser General Public License (LGPL). This means that you can link Racket into proprietary applications, provided you follow the rules stated in the LGPL. You can also modify Racket; if you distribute a modified version, you must distribute it under the terms of the LGPL, which in particular means that you must release the source code for the modified software. See doc/release-notes/COPYING.txt for more information.