From 523dc486ce31aa7a6c15d9dc2f34105fcb81917e Mon Sep 17 00:00:00 2001
From: liweijian <liweijian@idea.edu.cn>
Date: Wed, 20 Sep 2023 17:20:05 +0800
Subject: [PATCH] update syntax

---
 parser.mly | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/parser.mly b/parser.mly
index a9592aea..fa425d48 100644
--- a/parser.mly
+++ b/parser.mly
@@ -324,6 +324,8 @@ simple_pattern:
   | CHAR {}
   | INT {}
   | FLOAT {}
+  | "-" INT {}
+  | "-" FLOAT {}
   | STRING {}
   | UNDERSCORE {}
   | b=binder  {}