#include<vector>
#include<iostream>
#include <string>
#include <list>
#include <deque>
#include <map>
#include <set>

int main()
{
std::string son( "Danny" );
std::list<std::string>::iterator iter;
iter = find( std::slist.begin(), std::slist.end(), son );
slist.insert( iter, spouse );

for ( iter = slist. begin();
   iter != slist.end(); ++iter )
   do_something_with_element( *iter );

return 0;
}