Make missing box opt.

original commit: 7812a202f002db585781d4596810ed9d51246bba
This commit is contained in:
Eric Dobson 2013-09-19 21:47:40 -07:00
parent 49d98d1c13
commit 52c5718acc

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