Function luaB_next

third-party/lua-5.5.0/src/lbaselib.c:268–277

static int luaB_next (lua_State *L) {
  luaL_checktype(L, 1, LUA_TTABLE);
  lua_settop(L, 2);  /* create a 2nd argument if there isn't one */
  if (lua_next(L, 1))
    return 2;
  else {
    lua_pushnil(L);
    return 1;
  }
}


static int pairscont (lua_State *L, int status, lua_KContext k) {