Skip to content


Subversion checkout URL

You can clone with
Download ZIP
The Racket repository
Racket C KiCad C++ Shell Assembly Other

add and use late-neg projections to the contract system

These avoid one layer of currying and are more efficient, getting
about a 1.3x speed up on this program:

 #lang racket/base
(module server racket/base
  (require racket/contract/base)
    [f (-> integer? boolean? char? void?)]))
  (define (f i b c) (void)))

(require (submod "." server))

  (for ([x (in-range 10000000)])
    (f 1 #t #\x)))
latest commit 13964c4141
@rfindler rfindler authored


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


Copyright (c) 2010-2014 PLT Design Inc.

Racket is distributed under the GNU Lesser General Public License
(LGPL).  This implies that you may 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 states
that you must release the source code for the modified software.  

See racket/src/COPYING_LESSER.txt for more information.
Something went wrong with that request. Please try again.