将 std::vector 复制到 std::array

std::array<T, N> arr;
std::copy_n(vec.begin(), N, arr.begin());

我没有注意到您也询问过移动元素.要移动，请将源迭代器包装在 std::move_iterator 中.p>

I didn't notice that you'd asked about moving the elements as well. To move, wrap the source iterator in std::move_iterator.

std::copy_n(std::make_move_iterator(v.begin()), N, arr.begin());

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