--- cpp-dotenv.old/include/dotenv.h	2023-06-12 10:11:58.748360147 +0000
+++ cpp-dotenv.new/include/dotenv.h	2020-08-09 16:19:56.000000000 +0000
@@ -28,6 +28,7 @@
         void operator=(const dotenv&) = delete;
 
         static dotenv& instance();
+        bool loaded = false;
     
     private:
 
