The Racket repository
3eb2c20ad0
When `or` has many subexpressions, the expansion generates a sequence of deeply nested `let`s, where original and macro-introduced forms are interleaved in a way that defeats a minimal child-is-same-as-parent sharing of scope sets. Add a small cache that's good enough to capture extra sharing and dramatically lower memory use for an `or` that has 1000 subexpressions. |
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This is the source code for the main Racket distribution. See "INSTALL.txt" for information on building Racket. License ------- Racket Copyright (c) 2010-2015 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.