100 template <typename T> class SwapAllocator;  variable
103 class SwapAllocator<void> {
111     typedef SwapAllocator<U> other;
114   explicit SwapAllocator(SwapSpace* swap_space) : swap_space_(swap_space) {}  in SwapAllocator()  function
117   SwapAllocator(const SwapAllocator<U>& other) : swap_space_(other.swap_space_) {}  in SwapAllocator()  function
119   SwapAllocator(const SwapAllocator& other) = default;
120   SwapAllocator& operator=(const SwapAllocator& other) = default;
121   ~SwapAllocator() = default;
127   friend class SwapAllocator;  variable
130   friend bool operator==(const SwapAllocator<U>& lhs, const SwapAllocator<U>& rhs);
134 class SwapAllocator {
146     typedef SwapAllocator<U> other;
149   explicit SwapAllocator(SwapSpace* swap_space) : swap_space_(swap_space) {}  in SwapAllocator()  function
152   SwapAllocator(const SwapAllocator<U>& other) : swap_space_(other.swap_space_) {}  in SwapAllocator()  function
154   SwapAllocator(const SwapAllocator& other) = default;
155   SwapAllocator& operator=(const SwapAllocator& other) = default;
156   ~SwapAllocator() = default;
165   pointer allocate(size_type n, SwapAllocator<void>::pointer hint ATTRIBUTE_UNUSED = nullptr) {
194   inline bool operator==(SwapAllocator const& other) {
197   inline bool operator!=(SwapAllocator const& other) {
205   friend class SwapAllocator;  variable
208   friend bool operator==(const SwapAllocator<U>& lhs, const SwapAllocator<U>& rhs);
212 inline bool operator==(const SwapAllocator<T>& lhs, const SwapAllocator<T>& rhs) {
217 inline bool operator!=(const SwapAllocator<T>& lhs, const SwapAllocator<T>& rhs) {
222 using SwapVector = std::vector<T, SwapAllocator<T>>;
224 using SwapSet = std::set<T, Comparator, SwapAllocator<T>>;