Simplify `opt_default`.

2018-10-22 18:15:51 +02:00 · 2018-10-22 18:15:51 +02:00 · 6d50aa60ce
parent 51e058374b
commit 6d50aa60ce
1 changed files with 3 additions and 3 deletions
--- a/parsing/parser.mly
+++ b/parsing/parser.mly
@ -1984,9 +1984,9 @@ pattern_var:
  ) { $1 }
 ;

-opt_default:
-    /* empty */                         { None }
-  | EQUAL seq_expr                      { Some $2 }
+%inline opt_default:
+  preceded(EQUAL, seq_expr)?
+    { $1 }
 ;
 label_let_pattern:
    x = label_var