$ raco pkg install r7rs
#lang r7rs (import (scheme base) (scheme write)) (display (string-append "Hello, " "world!"))
All of the libraries defined in R7RS are available. However, there are a few minor missing features or inconsistencies:
(scheme base)— Implemented except for
include-ci. Furthermore, the
define-libraryform is restricted to be more compatible with the Racket module system.
(scheme process-context)— All bindings are available, but
emergency-exitare the same, and
exitdoes not properly call outgoing
All other libraries are fully supported.