TODO Update OneOf.hpp

Author: KostinPavel

include/rfl/OneOf.hpp

@@ -43,10 +43,12 @@ struct OneOf {
   static rfl::Result<T> validate_impl(const T& _value,
                                       std::vector<Error> _errors) {
     return Head::validate(_value)
-        .and_then([&](auto&& [[maybe_unused]] _result) -> rfl::Result<T> {
+        .and_then([&](auto&& _result) -> rfl::Result<T> {
           if constexpr (sizeof...(Tail) == 0) {
             if (_errors.size() == sizeof...(Cs)) {
               return _value;
+              // The AI suggests  return std::forward<decltype(_result)>(_result);
+              // is it correct in this context?
             }
             return error(make_error_message(_errors));
           } else {