edit

8 years ago · 2392559263
parent c149b13003
commit 2392559263
1 changed files with 1 additions and 1 deletions
--- a/beautiful-racket-demo/basic-demo/parser.rkt
+++ b/beautiful-racket-demo/basic-demo/parser.rkt
@ -8,5 +8,5 @@ b-end : /"end"
 b-print : /"print" [STRING | b-num-expr]
 b-goto : /"goto" b-num-expr
 b-num-expr : b-sum
-b-sum : (b-number /"+")* b-number
+b-sum : b-number (/"+" b-number)*
@b-number : INTEGER | DECIMAL