text: #ifndef word_count_h
  #define word_count_h
  
  #include <boost/algorithm/string.hpp>
  
  #include <cctype>
  #include <map>
  #include <string>
  #include <vector>
  
  using namespace std;
  
  namespace word_count
  {
  	map<string, int> words(string phrase);
  }
  
  #endif
  