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Description du projet

Racket (formerly PLT Scheme) is a programming language suitable for implementation tasks ranging from scripting to application development, including GUIs, Web services, etc. It includes the DrRacket programming environment, a virtual machine with a just-in-time compiler, tools for creating stand-alone executables, the Racket Web server, extensive libraries, documentation for both beginners and experts, and more. It supports the creation of new programming languages through a rich, expressive syntax system. Example languages include Typed Racket, ACL2, FrTime, and Lazy Racket.

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2012-02-03 10:06 Retour à la liste release
5.2.1

Cette version ajoute des performances améliorées de concordance de Redex, une bibliothèque amélioré « complot », la recherche la plus belle parcelles, axe double personnalisable tiques/transformations, histogrammes empilés et 3D vectoriels des champs. Améliorations de performances incluent l'utilisation de epoll()/kqueue(), Croix-module inline et en utilisant SSE pour les opérations en virgule flottante compilée JIT. Chaînes littérales, regexps, etc. sont internés. DrRacket utilise des icônes de ray-tracées composable et raquette typée permet la personnalisation des erreurs de type dans les macros. « 2htdp/univers » prend en charge un gestionnaire d'événements clés Gamepad expérimentale. La bibliothèque « db » prend désormais en charge les transactions imbriquées et des tableaux de PostgreSQL.
This release adds improved performance of Redex's matcher, an improved "plot" library, nicer-looking plots, customizable dual axis ticks/transforms, stacked histograms, and 3D vector fields. Performance improvements include using epoll()/kqueue(), cross-module inlining, and using SSE for JIT-compiled floating-point operations. Literal strings, regexps, etc. are interned. DrRacket uses composable ray-traced icons, and Typed Racket allows customizing type errors in macros. "2htdp/universe" supports an experimental game pad key handler. The "db" library now supports nested transactions and PostgreSQL arrays.

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