The Racket repository
99bb46d225
* Fixes immutable container contract combinators so that, if given flat contracts, they report blame errors in terms of the specific element that failed, instead of reporting the entire container as failing. This fixes issues seen with contracts such as (listof string?), where the contract is applied to a list with far too many elements to print all at once and the failing element is never printed. * Fixes vector-immutable/c so that if all the element contracts are flat, we create a flat contract, like the other immutable container contract combinators. * Also have more appropriate first-order checks for each combinator than just "Is it the right type of container?". These changes affect: listof non-empty-listof vector-immutableof cons/c box-immutable/c vector-immutable/c |
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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-enabled 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 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.LIB for more information.