language: C++ 4.7.2 (gcc-4.7.2)
date: 601 days 1 hour ago
link:
visibility: public 
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#include <map>
#include <list>
#include <algorithm>
#include <iterator>
#include <vector>
 
int getage(const std::pair<std::string, int>& pair)
{ 
    return pair.second; 
}
 
int main()
{
     std::map<std::string, int> agemap;
     agemap["jill"] = 13;
     agemap["jack"] = 31;
 
     std::list<int> agelist(agemap.size());
     std::transform(agemap.begin(), agemap.end(), agelist.begin(), getage);
 
     // or:
     std::vector<int> v;
     std::transform(agemap.begin(), agemap.end(), std::back_inserter(v), getage);
 
     // By popular demand, and just to spell it out:
     int age_array[10];
     std::transform(agemap.begin(), agemap.end(), age_array, getage);
 
     // or even
     int *dyn_array = new int[agemap.size()];
     std::transform(agemap.begin(), agemap.end(), dyn_array, getage);
     
     delete[] dyn_array;
        
}