std::allocator_traits<Alloc>::deallocate
Since C++20
static constexpr void deallocate( Alloc& a, pointer p, size_type n );
Since C++11, Until C++20
static void deallocate( Alloc& a, pointer p, size_type n );
Uses the allocator a to deallocate the storage referenced by p, by calling a.deallocate(p, n)
Parameters
a - allocator to use
p - pointer to the previously allocated storage
n - the number of objects the storage was allocated for
Return value
(none)