其三，如何筑牢内控“防线”。
int arr[] = {64, 34, 25, 12, 22, 11, 90};
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Or the US could enter a period of lower growth, if restricting immigration takes the wind out of the economy.
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.