Racket for Linux 8.1 freeware
Racket's interactive mode encourages experimentation, and quick scripts easily compose into larger systems. Small scripts and large systems both benefit from native-code JIT compilation. When a system gets too big to keep in your head, you can add static types.
|Installation||Instal And Uninstall|
|Keywords||graphical environment, programming environment, static debugger, stepper, environment, programmer|
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|8.1||May 5, 2021||New Release||DrRacket tabs can be dragged, and have new close buttons.
Racket CS supports cross-compilation using raco exe.
Racket CS supports Android on 32-bit and 64-bit ARM processors.
The database library supports running queries in OS threads.
Check-Syntax arrows correctly identify the definition site of identifiers with contracts.
Racket CS performance has improved for structure predicates and accessors
Racket CS is faster at multiplying extremely large numbers and dividing large integers.
Racket CS allows callbacks to raise exceptions if they are annotated with #:callback-exns?.
New ephemeron hash tables simplify the implementation of tables where keys can refer to values.
Typed Racket supports for/foldr.
The stepper works for #lang htdp/*sl.
Struct signatures work for the ASL teaching language.
|8.0||Feb 14, 2021||New Release||Racket 8.0 marks the first release where Racket CS is the default implementation. Creating, polishing, and adopting Racket CS has been a 4-year effort involving the entire Racket community. At this point, Racket CS is faster, easier to maintain and develop, and compatible with existing Racket programs. Racket CS will continue to improve, but at this point it is ready to be the primary variant of Racket for all Racketeers. More details about the current state of Racket CS are available in the recent blog post.
Other notable changes:
Racket CS has better parallel garbage collection, a 10%–30% reduction in the size of generated code, and various targeted optimizations.
A rewrite of the test-engine package allows the #lang versions of teaching languages to produce linked test-failure messages.
The release comes with a new mark-up DSL for composing text to appear in the REPL (simple-tree-text-markup).
|7.7||May 3, 2020||New Release||Racket CS remains ready for production use—thanks to those who have been putting it into practice to help iron out the remaining kinks—and it now supports a C API for embedding into other applications. See the “Inside: Racket” documentation for details.
Racket CS uses a new HAMT implementation, dramatically reducing the memory required for immutable hash tables.