C++ List pop_front()

C++ List pop_front() function removes the first element from the list and therefore, reducing the size of the list by one.

pop_front() function removes the first element i.e 1.

Syntax

Parameter

It does not contain any parameter.

Return value

It does not return any value.

Example

Let's see a simple example

#include <iostream>
#include<list>
using namespace std;
int main()
{
     list<int> li={20,30,40,50};
    li.pop_front();
    list<int>::iterator itr;
    for(itr=li.begin();itr!=li.end();++itr)
    cout<<*itr<<",";
    return 0;
}

Output:

30,40,50

In this example, pop_front() function removes the first element from the list i.e it removes the element '20' from the list.

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C++ List Function