std::pmr::polymorphic_allocator<T>::deallocate

 

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std::pmr::polymorphic_allocator

成员函数

polymorphic_allocator::polymorphic_allocator

polymorphic_allocator::allocate

polymorphic_allocator::deallocate

polymorphic_allocator::construct

polymorphic_allocator::destroy (C++20/26*)

polymorphic_allocator::allocate_bytes (C++20)

polymorphic_allocator::deallocate_bytes (C++20)

polymorphic_allocator::allocate_object (C++20)

polymorphic_allocator::deallocate_object (C++20)

polymorphic_allocator::new_object (C++20)

polymorphic_allocator::delete_object (C++20)

polymorphic_allocator::select_on_container_copy_construction

polymorphic_allocator::resource

非成员函数

operator==operator!= (直到 C++20)

 

void deallocate( T* p, std::size_t n );		(since C++17)

释放由 p 指向的存储，该存储必须已从 std::pmr::memory_resource x 分配，且 x 使用 x.allocate(n * sizeof(T), alignof(T)) 与 *resource() 比较相等。

等效于 this->resource()->deallocate(p, n * sizeof(T), alignof(T));。

参数

p	-	要释放的内存指针
n	-	最初分配的对象数量

异常

不抛出任何异常。

参见

deallocate_bytes (C++20)	释放从 allocate_bytes 获取的原始内存 (public member function)
deallocate_object (C++20)	释放由 allocate_object 获取的原始内存 (public member function)
delete_object (C++20)	销毁并释放对象 (public member function)
deallocate [static]	使用分配器释放存储 (public static member function of std::allocator_traits<Alloc>)
deallocate	释放内存 (public member function of std::pmr::memory_resource)