Racket's Rhombus 1.0 turns a decades-old macro thesis into a cleaner language bet

Matthew Flatt, Robby Findler, Sam Tobin-Hochstadt and a 20-person contributor group are trying to bring Racket-style extensibility beyond Lisp syntax.

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Primary source: Racket Blog

Why it matters

Rhombus is a reminder that not every important developer-platform bet comes from a startup. Racket's core contributors are testing whether language extensibility can matter again if the syntax barrier is removed.

Illustration of Racket's Rhombus 1.0 depicted as a polished rhomboid prism symbolizing a refined, extensible programming language.

Matthew Flatt, Robert Bruce Findler, Sam Tobin-Hochstadt and the Racket community released Rhombus 1.0 on June 22nd, turning a long-running programming-languages research project into a production-intended language built for developers who want Racket's extensibility without writing Lisp-style parenthesized code.…

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