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34abe306e3
What appears to be happening is that the fields path and next-push are state variables on this class that are initialized and then used only during the dynamic-extent of syntax-object->datum/record-paths and of the pretty-printing code. So, before the check was in place, they were initialized and used before the 'path' field was initialized, but by the time the path field was initialized, the value was junk (not going to be used again) but it still raised an error |
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| README.txt | ||
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.