Use ostream_iterator and copy to display collection content : list display « List « C++

1. C++
2. List
3. list display

Use ostream_iterator and copy to display collection content

  
 

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

#include <list>     
#include <algorithm>
#include <iterator> 

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
   std::ostream_iterator< int > output( cout, " " );

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

   cout << "values contains: ";
   std::copy( values.begin(), values.end(), output );

   otherValues.insert( otherValues.begin(), array, array + 4 );
   cout << "\n\notherValues contains: ";
   std::copy( otherValues.begin(), otherValues.end(), output );


   values.merge( otherValues );

   cout << "\n\nvalues contains: ";
   std::copy( values.begin(), values.end(), output );

   cout << endl;
   return 0;
}
/* 
values contains: 3 1 4 2

otherValues contains: 2 6 4 8

values contains: 2 3 1 4 2 6 4 8

 */
        
    
  

Related examples in the same category