| vector::get_allocator |
public member function |
allocator_type get_allocator() const; |
|
Get allocator
Returns the allocator object used to constuct the vector.
Parameters
none
Return Value
The allocator.
Member type allocator_type is defined to the same as the second template parameter used to instantitate this specific vector class (its Allocator type).
Example
// vector::get_allocator
#include <iostream>
#include <vector>
using namespace std;
int main ()
{
vector<int> myvector;
int * p;
unsigned int i;
// allocate an array of 5 elements using vector's allocator:
p=myvector.get_allocator().allocate(5);
// assign some values to array
for (i=0; i<5; i++) p[i]=i;
cout << "The allocated array contains:";
for (i=0; i<5; i++) cout << " " << p[i];
cout << endl;
myvector.get_allocator().deallocate(p,5);
return 0;
}
|
The example shows an elaborate way to allocate memory for an array of
ints using the same allocator used by the vector. Output:
The allocated array contains: 0 1 2 3 4
|
Complexity
