1 files changed, 4 insertions, 2 deletions
diff --git a/c_parser/include/ast_declaration.hpp b/c_parser/include/ast_declaration.hpp
index 2eed3a2..e529378 100644
--- a/c_parser/include/ast_declaration.hpp
+++ b/c_parser/include/ast_declaration.hpp
@@ -6,9 +6,11 @@
 class ast_Declaration : public ast_Base {
 private:
     const std::string id;
+    
+protected:
+    
 public:
-    ast_Declaration(const std::string& _id) : id(_id) {}
-
+    ast_Declaration(const std::string _id) : id(_id) {}
     virtual void print() const override {
 	std::cout << id;
     }