Support for loading variables from module with require

src/Utilities/HashedString.hpp

@@ -63,9 +63,20 @@ namespace Porygon::Utilities{
         inline bool operator>(const HashedString& b) const{
             return _hash > b._hash;
         }
-
-
+        std::size_t operator()(const HashedString& k) const {
+            return _hash;
+        }
     };
 }
 
+namespace std {
+    template <>
+    struct hash<Porygon::Utilities::HashedString> {
+        std::size_t operator()(const Porygon::Utilities::HashedString& k) const{
+            return k.GetHash();
+        }
+    };
+};
+
+
 #endif //PORYGONLANG_HASHEDSTRING_HPP