// 步骤5：扩展右边界（向右找所有<maxVal的元素，全程不越界）
They are almost the same: they share the same underlying array. You do get a copy of the little (ptr, len, capacity) struct which is what a slice is.
，详情可参考同城约会
在手机不能缺席的未来，三星给出的答案
Frank’s essay provoked more emails, and this excerpt caught my attention: