phase[classno] = 1;
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.
，更多细节参见搜狗输入法2026
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Fujifilm’s new Instax Mini LiPlay Plus isn’t nearly as stylish as the Instax Mini Evo, but it’s worth considering if you take a lot of selfies. At $234.99, the hybrid camera costs the same as the Instax Mini Evo, but features a 3-inch LCD screen on the back, along with a second, rear-facing wide-angle lens designed specifically for self-portraits. That dedicated selfie camera, paired with the LCD, delivers some of the best — and most precise — selfies I’ve captured with an instant camera to date.