Easy rollback: In case of problems, it’s possible to return to a previous system version (it creates a boot menu entry at each update).
But the movements are smooth and precise, and straight away I was manipulating the blocks and cups.
。关于这个话题，夫子提供了深入分析
Ella Watkins-Dulaney for Asimov Press.
res[i] = stack.length ? stack.at(-1) - i : 0;
Watch dramatic rescue of skier buried in deep snowA GoPro camera captures the moment two skiers rescued another skier buried under feet of snow in Lake Tahoe, California.