Make missing box opt.

This commit is contained in:
Eric Dobson 2013-09-19 21:47:40 -07:00
parent 747542b244
commit 7812a202f0

View File

@ -14,10 +14,7 @@
(define-unsafe-syntax-class unbox)
(define-unsafe-syntax-class set-box!)
(define-syntax-class box-op
#:attributes (unsafe)
(pattern :unbox^)
(pattern :set-box!^))
(define-merged-syntax-class box-op (unbox^ set-box!^))
(define-syntax-class box-opt-expr
#:commit