Collection abstract base class.
Mother of all ROOT objects.
void SetVal(const Long64_t &val)
const Long64_t & GetVal() const
Named scalar type, based on Long64_t, streamable, storable and mergable.
Int_t Merge(TCollection *list)
Merge scalars with scalars in the list.
void Inc(Long_t n=1)
Increment scalar value by n.