cyclone/srfi/111.sld
2016-08-24 00:31:50 -04:00

8 lines
190 B
Scheme

(define-library (srfi 111)
(import (scheme base))
(export box box? unbox set-box!)
(begin
(define-record-type box-type
(box value)
box?
(value unbox set-box!))))