multiset get_allocator() function in C++ STL
Last Updated :
22 Oct, 2018
The multiset::get_allocator() method in C++ STL is a built-in function in C++ STL which returns a copy of the allocator object associated with the multiset.
Syntax:
multiset_name.get_allocator()
where allocator_type is the type of the allocator used by the container.
Parameters: The function does not take any parameter.
Return Value: This method returns the allocator object used to construct the container.
Below programs illustrate the multiset::get_allocator() function:
Program 1:
#include <iostream>
#include <set>
using namespace std;
int main()
{
multiset<int> mymultiset;
int* p;
unsigned int i;
p = mymultiset
.get_allocator()
.allocate(5);
p[0] = 10;
p[1] = 10;
p[2] = 20;
p[3] = 30;
p[4] = 20;
cout << "The allocated array contains: ";
for (i = 0; i < 5; i++) {
cout << p[i] << " ";
}
cout << endl;
mymultiset.get_allocator().deallocate(p, 5);
return 0;
}
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Output:
The allocated array contains: 10 10 20 30 20
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