Re: Resorting a map (copying a map to another with different Compare)

So to clarify what I'm after is something that does this, but is
generic to different depths and map types:

#include <map>
#include <iostream>

using namespace std;

class more {

public:
  inline bool operator()(const string &k1,const string &k2) const {
    return k1 > k2;
  }
};

void copy_map(map<string,map<string,string> > &m1,
              map<string,map<string,string,more>,more> &m2) {

  map<string,map<string,string> >::iterator i = m1.begin();

  for(;i != m1.end();++i) {
    map<string,string>::iterator i2 = (*i).second.begin();
    for(;i2 != (*i).second.end();++i2) {
      m2[(*i).first][(*i2).first] = (*i2).second;
    }
  }
}

int main() {

  map<string,map<string,string> > m1;
  map<string,map<string,string,more>,more> m2;

  map<string,string> m3 = map<string,string>();
  m3["1thing"] = "3343";
  m3["2thing"] = "943";
  m3["3thing"] = "23343";

  m1["stuff"] = m3;
  m1["astuff"] = m3;
  m1["321"] = m3;
  m1["432"] = m3;
  m1["12323"] = m3;
  m1["123"] = m3;
  m1["1"] = m3;

  copy_map(m1,m2);

  map<string,map<string,string,more>,more>::iterator i = m2.begin();
  for(;i != m2.end();++i) {
    map<string,string,more>::iterator i2 = (*i).second.begin();
    for(;i2 != (*i).second.end();++i2) {
      std::cout << i->first << " " << i2->first << " val: " << m2[i-


    }
  }
}