Is there an equivalent in DrRacket to set-car! and set-cdr! in SICP?

Is there an equivalent in DrRacket to set-car! a开发者_开发知识库nd set-cdr! in SICP?

If you want to go through SICP with Racket, you should use Neil's package that makes it easier -- you'd get a language with set-car! and set-cdr!.

Yes, but you need to use mutable pairs.