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get_allocator.md

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get_allocator

Description: Returns a copy of the allocator object associated with the vector.

Example:

// vector::get_allocator
#include <iostream>
#include <vector>
int main (){
        std::vector<int> myvector;
        int * p; unsigned int i;
        // allocate an array with space for 5 elements using vector's allocator:
        p = myvector.get_allocator().allocate(5);
        // construct values in-place on the array:
        for(i=0; i<5; i++) myvector.get_allocator().construct(&p[i],i);
        std::cout << "The allocated array contains:";
        for(i=0; i<5; i++) std::cout << ' ' << p[i];    
        std::cout << '\n';
        // destroy and deallocate:
        for(i=0; i<5; i++) myvector.get_allocator().destroy(&p[i]);
        myvector.get_allocator().deallocate(p,5);
        return 0;
}