// C++ program to demonstratethe use of initializer_list as
// return type.

#include <initializer_list>
#include <iostream>
#include <vector>
using namespace std;

void getNumbers( initializer_list<int> myList )
{
    for( int x1 : myList )
      {
		  cout << x1 << " " ;
	  }
	cout << endl ;
}

/*
list1.cpp:20:21:

warning: returning temporary ‘initializer_list’
does not extend the lifetime of the underlying array [-Winit-list-lifetime]

   20 |    return { 1, 2, 4 } ;

initializer_list<int> getNumbers1(  )
{

   // A temporary array is created that will be destroyed once
   //this function ends.
   return { 1, 2, 4 } ;
}

*/

int main()
{
    //initializer_list<int> num = getNumbers( { 3, 2, 1}  ) ;
    getNumbers( { 3, 2, 1}  ) ;

    initializer_list<int> i1{-3, -2, -1}  ;
    //Can't access an element in the middle.
    //cout << i1[2] << endl ;

    //can iterate through the list.
    initializer_list<int>::iterator iter1 = i1.begin() ;
    for(    ; iter1 != i1.end() ; iter1++ )
      cout << *iter1 << " " ;
    cout << endl ;

    //Can be used in a range-based loop
    for( int x1 : i1 )
      cout << x1 << " " ;
    cout << endl ;

    vector v1( i1 )  ;



   return 0;
}