Operation2.cpp

/**
 * \file  Operation2.cpp
 * \brief
 *
 * \todo
 */


#include<iostream>
#include<forward_list>
using namespace std;

int main()
{
    // Initializing forward list
    forward_list<int> flist = {10, 20, 30} ;

    // Declaring a forward list iterator
    forward_list<int>::iterator ptr;

    // Inserting value using insert_after()
    // starts insertion from second position
    ptr =  flist.insert_after(flist.begin(), {1, 2, 3});

    // Displaying the forward list
    cout << "The forward list after insert_after operation : ";
    for (int&c : flist)
        cout << c << " ";
    cout << endl;

    // Inserting value using emplace_after()
    // inserts 2 after ptr
    ptr = flist.emplace_after(ptr,2);

    // Displaying the forward list
    cout << "The forward list after emplace_after operation : ";
    for (int&c : flist)
        cout << c << " ";
    cout << endl;

    // Deleting value using erase.after Deleted 2
    // after ptr
    ptr = flist.erase_after(ptr);

    // Displaying the forward list
    cout << "The forward list after erase_after operation : ";
    for (int&c : flist)
        cout << c << " ";
    cout << endl;

    return 0;
}