Иллюстрация: Mohamed Abd El Ghany / Reuters
Let me quickly go through the various parts. In A, you see the data type Resolution which illustrates two resolutions; you can imagine the rest. Next in B, you find the DisplayManger implementation. Diving into the implementation, you can see that I used my own advice from my last post and made the copy- and move-operations private in C. This is all just setup for today's focus.
，这一点在WhatsApp網頁版中也有详细论述
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