std::pmr::polymorphic_allocator<T>::deallocate_object

 

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std::pmr::polymorphic_allocator

Member functions

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

Non-member functions

operator==operator!= (until C++20)

 

template <class U> void deallocate_object( U* p, std::size_t n = 1 );		(since C++20)

Deallocates the storage pointed to by p, which must have been allocated from a std::pmr::memory_resource x that compares equal to *resource(). using x.allocate(n*sizeof(U), alignof(U)), typically through a call to allocate_object<U>(n).

Equivalent to deallocate_bytes(p, n*sizeof(U), alignof(U));

Parameters

p	-	pointer to memory to deallocate
n	-	number of objects of type U the memory was for

Exceptions

Throws nothing.

Notes

This function was introduced for use with the fully-specialized allocator std::polymorphic_allocator<>, but it may be useful in any specialization.

See also

deallocate_bytes (C++20)	free raw memory obtained from allocate_bytes (public member function)
delete_object (C++20)	destroys and deallocates an object (public member function)
deallocate [static]	deallocates storage using the allocator (public static member function of std::allocator_traits<Alloc>)
deallocate	deallocates memory (public member function of std::pmr::memory_resource)