cppdraft_translate/cppdraft/mem/res/class/general.md

[mem.res.class.general]

20 Memory management library [mem]

20.5 Memory resources [mem.res]

20.5.2 Class memory_resource [mem.res.class]

20.5.2.1 General [mem.res.class.general]

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The memory_resource class is an abstract interface to an unbounded set of classes encapsulating memory resources.

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namespace std::pmr {class memory_resource {static constexpr size_t max_align = alignof(max_align_t); // exposition onlypublic: memory_resource() = default; memory_resource(const memory_resource&) = default; virtual ~memory_resource();

memory_resource& operator=(const memory_resource&) = default; void* allocate(size_t bytes, size_t alignment = max_align); void deallocate(void* p, size_t bytes, size_t alignment = max_align); bool is_equal(const memory_resource& other) const noexcept; private:virtual void* do_allocate(size_t bytes, size_t alignment) = 0; virtual void do_deallocate(void* p, size_t bytes, size_t alignment) = 0; virtual bool do_is_equal(const memory_resource& other) const noexcept = 0; };}