Exemple #1
0
 std::string operator()(const Site& t) const
 {
   if ( t.is_point() ) {
     char c = 'A' + ctr++;
     return std::string(1, c);
   }
   char c1 = 'A' + ctr++;
   char c2 = 'A' + ctr++;
   return std::string(1, c1) + std::string(1, c2);
 }