Function clone

src/ltablib.cpp:293–299

static int clone (lua_State *L) {
  luaL_checktype(L, 1, LUA_TTABLE);
  auto depth = (int)luaL_optinteger(L, 2, 100);
  luaL_argcheck(L, depth >= 1, 2, "depth must be at least 1");
  auxclone(L, 1, depth);
  return 1;
}