C++/Map Multimap/map indexer

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Map Index Operator

  
#include <map>
#include <iostream>
using namespace std;
class Data
{
public:
  Data(int val = 0) { mVal = val; }
  int getVal() const { return mVal; }
  void setVal(int val) {mVal = val; }
protected:
  int mVal;
};
int main(int argc, char** argv)
{
  map<int, Data> dataMap;
  dataMap[1] = Data(4);
  dataMap[1] = Data(6);
  return (0);
}


use map as an array

  
#include <algorithm>
#include <iostream>
#include <map>
#include <utility>
using namespace std;
int main( )
{
   const char* word[] = { "A", "B", "C", "D","E" };
   const char* clue[] = { "a", "b","c", "d","e" };
   map<string,string> dictionary1;
   transform( word, word+sizeof(word)/sizeof(word[0]), clue,inserter( dictionary1, dictionary1.end() ),make_pair<string,string> );
   cout << "There are " << dictionary1.size() << " words in the dictionary\n\n";
   cout << "The clue for POPS is \"" << dictionary1["POPS"] << "\"\n"
      << "The clue for TAT is \"" << dictionary1["TAT"] << "\"\n"
      << "The clue for ESPO0 is \"" << dictionary1["ESPO0"] << "\"\n";
}