void show_sequence(sequence display)
// Library facilities used: iostream
{
for (display.start( ); display.is_item( ); display.advance( ))
cout << display.current( ) << endl;
}
void show_list(sequence<T> src)
{
for ( src.start(); src.is_item(); src.advance() )
cout << src.current() << " ";
}
void show_sequence(sequence src)
{
for ( src.start(); src.is_item(); src.advance() )
cout << src.current() << endl;
}