Deque Shrink To Fit Function

The shrinktofit method in C++ for deque decreases memory consumption to match the container's size without altering the deque's content.

Syntax

void shrink_to_fit();

Parameter

It does not contain any parameter.

Return value

It does not return any value.

Example 1

Let's see a simple example

#include <iostream>
#include<deque>
using namespace std;
int main()
{
 deque<int> d={1,2,3,4,5};
 cout<<"size :"<<d.size();
 d.resize(3);
 cout<<'\n';
 cout<<"size:"<<d.size();
 d.shrink_to_fit();
 return 0;
}