note | // implicitly declared: |
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copy (1) | pair& operator= (const pair& pr); |
copy (1) | pair& operator= (const pair& pr);template <class U, class V> pair& operator= (const pair<U,V>& pr); |
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move (2) | pair& operator= (pair&& pr) noexcept (is_nothrow_move_assignable<first_type>::value && is_nothrow_move_assignable<second_type>::value);template <class U, class V> pair& operator= (pair<U,V>&& pr); |
pr.first
,成员 second 被赋值 pr.second
。*this
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