std::pmr::polymorphic_allocator::allocate

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T* allocate( std::size_t n );
(since C++17)

Allocates storage for n objects of type T using the underlying memory resource. Equivalent to return static_cast<T*>(this->resource()->allocate(n * sizeof(T), alignof(T)));

[edit] Parameters

n - the number of objects to allocate storage for

[edit] Return value

A pointer to the allocated storage.

[edit] See also

[static]
allocates uninitialized storage using the allocator
(public static member function of std::allocator_traits)
allocates memory
(public member function of std::pmr::memory_resource)