template (1) | template <class T> T atomic_exchange (volatile atomic<T>* obj, T val) noexcept;template <class T> T atomic_exchange (atomic<T>* obj, T val) noexcept; |
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重载 (2) | T atomic_exchange (volatile A* obj, T val) noexcept;T atomic_exchange (A* obj, T val) noexcept; |