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Robby Findler a0880f7403 improve contract-stronger and related things
Specifically, add a mechanism so that contract combinators
can accumulate contracts on a value (instead just storing
only one) and then use that in instanceof/c to avoid
putting contracts on values more often.

Also, fill in better contract-stronger implementations in
some of the combinators
2014-09-19 12:57:08 -05:00
native-pkgs@2648702ac3 Mac OS X: incorporate Pango repair for Yosemite 2014-08-29 10:12:27 -06:00
pkgs Add raco pkg archive. 2014-09-19 11:03:26 -04:00
racket improve contract-stronger and related things 2014-09-19 12:57:08 -05:00
.gitattributes Don't include git files in archives. 2010-05-12 01:46:05 -04:00
.gitignore Add add-on to .gitignore. 2013-07-04 11:51:53 -04:00
.gitmodules access "native-pkgs" as a git submodule 2013-07-26 22:36:20 -06:00
.mailmap mailmap updates & fixes. 2013-04-03 18:10:22 -04:00
.travis.yml Send fewer emails from Travis. 2014-07-25 17:30:09 -04:00
INSTALL.txt distro-build: add "versionless" option 2014-06-23 18:42:46 +01:00
Makefile make server: snapshot source catalog, set local cache 2014-08-26 14:41:13 -06:00
README.txt 2013 -> 2014 2014-01-21 15:02:21 -05:00

This is the source code for the main Racket distribution.  See
"INSTALL.txt" for information on building Racket.

License
-------

Racket
Copyright (c) 2010-2014 PLT Design 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
racket/src/COPYING_LESSER.txt for more information.