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std::pmr::polymorphic_allocator::allocate

From cppreference.com
 
 
Dynamic memory management
Uninitialized storage
(C++17)
(deprecated since c++17)
(deprecated since c++17)
(deprecated since c++17)
Garbage collection support
Miscellaneous
(C++20)
(C++11)
(C++11)
C Library
Low level memory management
 
 
T* allocate( std::size_t n );
(since C++17)
(until C++20)
[[nodiscard]] T* allocate( std::size_t n );
(since C++20)

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) [edit]
allocates memory
(public member function of std::pmr::memory_resource) [edit]