// lua_getmetatable func (L *State) GetMetaTable(index int) bool { return C.lua_getmetatable(L.s, C.int(index)) != 0 }
// Pushes onto the stack the metatable associated with name tname in the // registry. func (s *State) Getmetatable(index int) { C.lua_getmetatable(s.l, C.int(index)) }