The Racket repository
3b031d6c87
When `define' binds a keyword procedure at the top level or module level, then it actually binds syntax that checks (i.e., warns if arith or keywords are bad) and optimizes (i.e., avoids checking keywords or allocating keyword-argument lists) first-order uses of the procedure. Checking and conversion are currently only performed for top- and module-level bindings, because some macros detect the difference between a variable or syntax definition --- notably `class' and `unit'. A related problem in `class' is that the expansion produces multiple definitions (for direct access to the fast version of the function), which `class' turns into fields instead of methods. |
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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) 2010-2011 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.