add("attrib2", static_cast<void (Loader::*)(unsigned, float, float)>(&Loader::attrib));
add("attrib3", static_cast<void (Loader::*)(unsigned, float, float, float)>(&Loader::attrib));
add("attrib4", static_cast<void (Loader::*)(unsigned, float, float, float, float)>(&Loader::attrib));
add("attrib2", static_cast<void (Loader::*)(unsigned, float, float)>(&Loader::attrib));
add("attrib3", static_cast<void (Loader::*)(unsigned, float, float, float)>(&Loader::attrib));
add("attrib4", static_cast<void (Loader::*)(unsigned, float, float, float, float)>(&Loader::attrib));