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allocator::const_pointer

A type that provides a constant pointer to the type of object managed by the allocator.

typedef const value_type *const_pointer;

The pointer type describes an object ptr that can designate, through the expression *ptr, any const object that an object of template class allocator can allocate.

// allocator_const_ptr.cpp
// compile with: /EHsc
#include <memory>
#include <iostream>
#include <vector>

using namespace std;

int main( ) 
{
   vector <int> v1;
   vector <int>::iterator v1Iter;
   vector <int>:: allocator_type v1Alloc;

   int i;
   for ( i = 1 ; i <= 7 ; i++ )
   {
      v1.push_back( i * 2 );
   }

   cout << "The original vector v1 is:\n ( " ;
   for ( v1Iter = v1.begin( ) ; v1Iter != v1.end( ) ; v1Iter++ )
      cout << *v1Iter << " ";
   cout << ")." << endl;

   allocator<int>::const_pointer v1Ptr;
   const int k = 10;
   v1Ptr = v1Alloc.address( k );

   cout << "The integer's address found has a value of: "
        << *v1Ptr << "." << endl;
}
The original vector v1 is:
 ( 2 4 6 8 10 12 14 ).
The integer's address found has a value of: 10.

Header: <memory>

Namespace: std

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