4 #include <unordered_map> 
   15 template<
typename KeyType, 
typename MappedType>
 
   17    std::unordered_map<KeyType, MappedType> 
_map;
 
#define ClassDef(name, id)
 
Wrapper for std::unordered_map, can be written in ROOT files.
 
MappedType & operator[](KeyType _key)
 
std::unordered_map< KeyType, MappedType > _map