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public member function
<memory>

std::allocator::destroy

void destroy (pointer p);

template <class U>
  void destroy (U* p);
Destroy an object
Destroys in-place the object pointed by p.

Notice that this does not deallocate the storage for the element (see member deallocate to release storage space).

The function uses value_type's destructor (value_type is a member type, alias of the allocator's template parameter), as if the following code was used:
p->~value_type();
The function uses U's destructor, as if the following code was used:
p->~U();

Parameters

p
Pointer to the object to be destroyed.

Return value

none

See also

allocator::deallocate
Release block of storage (public member function )
allocator::construct
Construct an object (public member function )

C++

Reference