- add("part", &Loader::part);
- add("special", &Loader::special);
+ add("part", static_cast<void (Loader::*)()>(&Loader::part));
+ add("part", static_cast<void (Loader::*)(const std::string &)>(&Loader::part));
+ // Deprecated alias
+ add("special", static_cast<void (Loader::*)(const std::string &)>(&Loader::part));