...

examples/hmap_example.cpp

@@ -131,7 +131,11 @@ int main()
     std::println("\n{:*^80}", " hmap with custom conv funcs ");
 
     hmap.pushWithCnv(
-        "str_cst", std::string{"ABC"}, [&s](std::string const& v) { return s.c_str(); },
+        "str_cst", std::string{"ABC"},
+        [&s](std::string const& v) {
+            return v.c_str();
+            // return s.c_str();
+        },
         [&s](const char* p) {
             s = p;
             return s;
@@ -152,6 +156,10 @@ int main()
         std::println("cannot set 'str_cst'");
     } else {
         std::println("s = {}", s);
+        auto rs = hmap.get<std::string>("str_cst");
+        if (rs) {
+            std::println("s = {} (inner)", rs.value());
+        }
     }
 
     return 0;