Hi, i searched a moment before asking in racket mailing list. There is a definition of rec in the official SRFI 31 SRFI 31: A special form `rec' for recursive evaluation that i recopy here: (define-syntax rec (syntax-rules () ((rec (NAME . VARIABLES) .…

[image] damien_mattei: but i do not understand this part: (lambda VARIABLES . BODY) , this seems to not be valid scheme syntax?! There is an implicit requirement that BODY be list-structured for the resulting lambda form to be valid. More specifically, a lambda must have one or more body expr…

Source code of rec from SRFI 31

Questions & Answers

samth November 6, 2025, 9:47pm 3

The srfi/31 implementation is just the mzlib/etc implementation, which is here: compatibility/compatibility-lib/mzlib/etc.rkt at master · racket/compatibility · GitHub

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Source code of rec from SRFI 31

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