Racket allows programmers to add new syntactic constructs in the same way that other languages permit the formulation of procedures, methods, or classes. All you need to do is formulate a simple …

Running raco docs (or Racket Documentation on Windows or Mac OS) may open a different page with local and user-specific documentation, including documentation for installed packages.

Chapter 2 provides a brief introduction to Racket. From Chapter 3 on, this guide dives into details— covering much of the Racket toolbox, but leaving precise details to The Racket Reference and other …

Most likely, you’ll want to explore the Racket language using DrRacket, especially at the beginning. If you prefer, you can also work with the command-line racket interpreter (see Running racket and …

The distribution includes pre-built, platform-independent bytecode; it installs much faster than plain source, and it is also compatible with fast installs of additional Racket packages.

Racket is a lexically scoped language, which means that whenever an identifier is used as an expression, something in the textual environment of the expression determines the identifier’s binding.

This manual defines the core Racket language and describes its most prominent libraries. The companion manual The Racket Guide provides a friendlier (though less precise and less complete) …

The Racket Guide starts with a tutorial on Racket basics, and then it describes the rest of the Racket language. Of course, you should feel free to mix and match the above two tracks, since there is …

In Racket, you can use a lambda expression to produce a function directly. The lambda form is followed by identifiers for the function’s arguments, and then the function’s body expressions:

May 17, 2025 · Racket is a community developed open source project and we welcome new contributors. See racket/README.md to learn how you can be a part of this amazing project.