Fixed a format crash issue.v0.30.4

1 files changed, 5 insertions, 1 deletions

diff --git a/src/yuescript/yue_ast.cpp b/src/yuescript/yue_ast.cpp
index 55b5d03..d85e32e 100644
--- a/src/yuescript/yue_ast.cpp
+++ b/src/yuescript/yue_ast.cpp
@@ -83,7 +83,11 @@ std::string VarArg_t::to_string(void*) const {
         return "..."s;
 }
 std::string VarArgDef_t::to_string(void* ud) const {
-        return "..."s + name->to_string(ud);
+        if (name) {
+                return "..."s + name->to_string(ud);
+        } else {
+                return "..."s;
+        }
 }
 std::string Seperator_t::to_string(void*) const {
         return {};