fix invalid formation.v0.21.3

1 files changed, 4 insertions, 3 deletions

diff --git a/src/yuescript/yue_compiler.cpp b/src/yuescript/yue_compiler.cpp
index 59f6d4b..044ee91 100644
--- a/src/yuescript/yue_compiler.cpp
+++ b/src/yuescript/yue_compiler.cpp
@@ -75,7 +75,7 @@ static std::unordered_set<std::string> Metamethods = {
         "close"s // Lua 5.4
 };
 
-const std::string_view version = "0.21.2"sv;
+const std::string_view version = "0.21.3"sv;
 const std::string_view extension = "yue"sv;
 
 class CompileError : public std::logic_error {
@@ -7713,8 +7713,9 @@ private:
                                                 clsDecl = value->get_by_path<SimpleValue_t, ClassDecl_t>();
                                                 BLOCK_END
                                         } else if (auto expList = expListFrom(statement)) {
-                                                auto value = singleValueFrom(expList);
-                                                clsDecl = value->get_by_path<SimpleValue_t, ClassDecl_t>();
+                                                if (auto value = singleValueFrom(expList)) {
+                                                        clsDecl = value->get_by_path<SimpleValue_t, ClassDecl_t>();
+                                                }
                                         }
                                         if (clsDecl) {
                                                 std::string clsName;