Very nice. Runs fast for my programs. Thanks, to all who contributed, Jos On Wed, 30 Jan 2019 at 19:59, Vincent St-Amour < stamo...@eecs.northwestern.edu> wrote:
> Racket version 7.2 is now available from > > http://racket-lang.org/ > > Racket-on-Chez is done in a useful sense, but we'll wait until it gets > better before making it the default Racket implementation. For more > information, see > > http://blog.racket-lang.org/2019/01/racket-on-chez-status.html > > In addition, the Racket 7.2 release includes the following improvements, > which apply to both implementations: > > - The contract system supports collapsible contracts, which avoid > repeated wrappers in certain pathological situations. Thanks to Daniel > Feltey. > > - Quickscript, a scripting tool for DrRacket, has become part of the > standard distribution. Thanks to Laurent Orseau. > > - The web server's built-in configuration for serving static files > recognizes the ".mjs" extension for JavaScript modules. > > - The `data/enumerate` library supports an additional form of > subtraction via `but-not/e`, following Yorgey and Foner's ICFP'18 > paper. Thanks to Max New. > > - The `letrec.rkt` example model in Redex has been changed to more > closely match Racket, which led to some bug fixes in Racket's > implementation of `letrec` and `set!`. > > - The racklog library has seen a number of improvements, including fixes > to logic variable binding, logic variables containing predicates being > applicable, and the introduction of an `%andmap` higher-order predicate. > > The following people contributed to this release: > Akihide Nano, Alex Feldman-Crough, Alexander McLin, Alexander Shopov, > Alexis King, Alex Knauth, Andrew Kent, Asumu Takikawa, Ben Greenman, > Bogdan Popa, Caner Derici, Chongkai Zhu, Dan Feltey, Darren Newton, Gan > Shen, Greg Hendershott, Gustavo Massaccesi, Jay McCarthy, Jens Axel > Søgaard, John Clements, Jordan Johnson, Kevin Robert Stravers, Leif > Andersen, Leo Uino, Matt Kraai, Matthew Butterick, Matthew Flatt, > Matthias Felleisen, Max New, Michael Burge, Mike Sperber, Paul > C. Anagnostopoulos, Paulo Matos, Philip McGrath, Robby Findler, Ronald > Garcia, Ryan Culpepper, Ryan Kramer, Sam Tobin-Hochstadt, Shu-Hung You, > Sorawee Porncharoenwase, Spencer Florence, Stephen Chang, and Vincent > St-Amour > > Feedback Welcome > > -- > You received this message because you are subscribed to the Google Groups > "Racket Users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to racket-users+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "Racket Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to racket-users+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
