Uses ostream_iterator and copy algorithm to output list elements : list « list « C++ Tutorial

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#include <iostream>
using std::cout;
using std::endl;

#include <list>      // list class-template definition
#include <algorithm> // copy algorithm
#include <iterator>  // ostream_iterator

template < typename T > void printList( const std::list< T > &listRef );

int main()
{
   int array[ 4 ] = { 2, 6, 4, 8 };
   std::list< int > values;      // create list of ints
   std::list< int > otherValues; // create list of ints

   // insert items in values
   values.push_front( 1 );
   values.push_front( 2 );
   values.push_back( 4 );
   values.push_back( 3 );

   cout << "values contains: ";
   printList( values );
   cout << endl;
   return 0;
}

template < typename T > void printList( const std::list< T > &listRef )
{
    std::ostream_iterator< T > output( cout, " " );
    std::copy( listRef.begin(), listRef.end(), output );
}

values contains: 2 1 4 3